Pilot Operated 2 Port Solenoid Valve

Transcription

1 CT.EUS0-9 -UK Pilot Operated Port Solenoid Valve For Water, Oil, ir Reduction of power consumption (DC specification) 6 W.5 W/5.5 W (VXD0 to 50) W W (VXD0).5 W 0.5 W ew VX D D D Series VXD//

2 Solenoid valves for various fluids used in a wide variety of Improvement of corrosion resistance Special magnetic material adopted Enclosure: IP65 Reduction of power consumption (DC specification) VXD: 6 W.5 W (VXD0 to 50) 5.5 W (VXD0) VXD: W W VXD:.5 W 0.5 W Low noise construction Special construction enables to reduce the metal noise. (DC specification) Pilot Operated Port Solenoid Valve For Water, Oil, ir Flame resistance UL9V-0 conformed Flame resistant mold coil material Improvement of maintenance performance Maintenance is performed easily due to the threaded assembly. ew Series VXD// ormally Closed (.C.) ormally Open (.O.) Features Solenoid valve () Material VXD VXD VXD (0 mmø) (5 mmø) 5 (0 mmø) 6 (5 mmø) (5 mmø) (0 mmø) 9 (50 mmø) ody Seal Thread 0 (/) 0 (/) 0 (/) rass Stainless Port no. 06 (/) steel R () 0 () EPDM () Flange 0 (0) 50 (50) CC0 Solenoid valve () Material VXD VXD VXD (5 mmø) 5 (0 mmø) 6 (5 mmø) (5 mmø) (0 mmø) 9 (50 mmø) ody Seal 0 (/) 0 (/) rass Thread Stainless 06 (/) Port no. steel R 0 () () () EPDM Flange 0 (0) 50 (50) CC0

3 applications ew VX Series variations Direct Operated Port VX// For ir, Vacuum, Water, Steam, Oil Pilot Operated Port for Zero Differential Pressure VXZ/ For ir, Vacuum, Water, Oil Direct Operated Port VX// For ir, Vacuum, Water, Steam, Oil Valve type.c./.o. / to / mmø to 0 Pilot Operated Port VXP// For Steam (ir, Water, Oil) Valve type.c./.o. / to Water ammer Relief, Pilot Operated Port VXR// For Water, Oil mmø 0 to 5 Valve type.c./.o. COM. / to / mmø.5 to Pilot Operated Port for igh Pressure VX For ir, Water, Oil Valve type.c./.o. / to to 50 mmø 0 to 50 Port for Dust Collector (Solenoid type, ir Operated type) VXF/, VXF/ For ir Valve type.c./.o. / to mmø 0 to 50 ir Operated / Port VX/, VX/ For ir, Vacuum, Water, Oil Valve type.c. / to / mmø 0 The VX series has been renewed as the new VX series, with a new construction Valve type.c. / to / mmø 0 to 0 VX/ VX/ Valve type.c./.o. COM. Port size / to / / to / mmø to 0.5 to Features

4 Solenoid Valves Flow Characteristics (ow to indicate flow characteristics). Indication of flow characteristics Indication of the flow characteristics in specifications for equipment such as a solenoid valve, etc. is depending on Table (). Table () Indication of Flow Characteristics Corresponding equipment Equipment for pneumatics Equipment for controlling process fluids Indication by international standard C, b v Other indications S Cv Cv Standards conforming to ISO 65: 99 JIS 90: 000 JIS 90: 000 Equipment: JIS,, 5, 9, SI/(FP)T..: 990 IEC605--: 99 JIS 005: 995 Equipment: JIS,,. Equipment for pneumatics. Indication according to the international standards () Standards conforming to ISO 65: 99 : Pneumatic fluid powercomponents using compressible fluids Determination of flow-rate characteristics JIS 90: 000 : Pneumatic fluid powercomponents using compressible fluids ow to test flow-rate characteristics () Definition of flow characteristics Flow rate characteristics are indicated as a result of a comparison between sonic conductance C and critical pressure ratio b. Sonic conductance C : Value which divides the passing mass flow rate of an equipment in a choked flow condition by the product of the absolute upstream pressure and the density in the standard condition. Critical pressure ratio b : Checked flow will occur when the pressure ratio (downstream pressure/upstream pressure) is at or smaller than this value. Choked flow : It is the flow in which the upstream pressure is higher than the downstream pressure and where sonic speed is reached in a certain part of the equipment. Gaseous mass flow rate is in proportion to the upstream pressure and not dependent on the downstream pressure. Subsonic flow : Flow when the pressure ratio is greater than the critical pressure ratio. Standard condition : ir in a temperature state of 0 C, absolute pressure 0. MPa (= 00 kpa = bar), relative humidity 65%. It is stipulated by adding the abbreviation (R) after the unit depicting air volume. (standard reference atmosphere) Standard conforming to: ISO : 990 Pneumatic fluid powerstandard reference atmosphere, JIS 9: 000: Pneumatic fluid powerstandard reference atmosphere () Formula of flow rate It can be indicated by the practical unit as following. When P + 0. b, choked flow P Q = 600 x C (P + 0.) () + t When P + 0. > b, subsonic flow P + 0. P + 0. b P Q = 600 x C (P + 0.) () b + t Q : ir flow rate [dm /min (R)], the SI unit dm (Cubic decimetre) is also allowed to be described by l (liter). dm = l. Front matter

5 Solenoid Valves Flow Characteristics C : Sonic conductance [dm /(s bar)] b : Critical pressure ratio [] P : Upstream pressure [MPa] P : Downstream pressure [MPa] t : Temperature [ C] ote) Formula of subsonic flow is the elliptic analogous curve. Flow characteristics curve is indicated in the Graph () For details, please use SMC s Energy Saving Program. Example) Obtain the air flow rate when P = 0. [MPa], P = 0. [MPa], t = 0 [ C] for a solenoid valve where C = [dm /(s bar)] and b = 0.. ccording to formula (), the maximum flow rate = 600 x x ( ) x 9 = 600 [dm /min (R)] Pressure ratio = = ased on the Graph (), the flow rate ratio is going to be 0. if it is read with a pressure ratio of 0. and a flow ratio of b = 0.. ence, flow rate = Max. flow rate x flow rate ratio = 600 x 0. = 0 [dm /min (R)] Flow rate ratio b = P Equipment P C, b Q Pressure ratio (P + 0.) / (P + 0.) Graph () Flow characteristics line () Test method Pipe the text equipment to the text circuit shown in Fig. (). Keep the upstream pressure at a certain constant level above 0.MPa. First measure the maximum flow rate in saturation. Then, measure the flow rate, upstream pressure and downstream pressure each at 0%, 60%, 0% and 0% points of the flow rate. Calculate the sonic conductance C from the maximum flow rate. lso substitute other data for variables in the formula for subsonic flow and obtain the critical pressure rate b by averaging the critical pressure rates at those points. Pressure gauge or pressure convertor Pressure control equipment ød d Thermometer d ød Differential pressure gauge or differential pressure converter ød Flow control valve ir supply Filter Shut off valve 0d 0d d 0d d Flow meter Pipe for measuring temperature Equipment for test Pipe for measuring pressure in the upstream side Pipe for measuring pressure in the downstream side Fig. () Test circuit based on ISO 65, JIS 90 Front matter

6 Solenoid Valves Flow Characteristics. Effective area S () Standards conforming to JIS 90: 000: Pneumatic fluid powercomponents using compressible fluids Determination of flow rate characteristics Equipment standards: JIS : port solenoid valve for pneumatics JIS : port solenoid valve for pneumatics JIS 5: port, 5 port solenoid valve for pneumatics JIS 9: Silencer for pneumatics JIS : Fittings of flexible joint for pneumatics () Definition of flow characteristics Effective area S: The flow ability of a component, represented by its equivalent "ideal" cross sectional area. This effective area is calculated under sonic conditions by measuring pressure loss in an air tank. Like sonic conductance C, the effective area is a method of expressing the flow rate of a product. () Formula of flow rate When P , choked flow P Q = 0 x S (P + 0.) () + t When P + 0. > 0.5, subsonic flow P Q = 0 x S (P + 0.) (P P) () + t Conversion with sonic conductance C: S = 5.0 x C (5) Q :ir flow rate[dm /min(r)], the SI unit dm (cubic decimetre) is also allowed to be described by l (litre) S : Effective area [mm ] P : Upstream pressure [MPa] P : Downstream pressure [MPa] t : Temperature [ C] ote) Formula for subsonic flow () is only applicable when the critical pressure ratio b is unknown. It is the same as the formula for sonic conductance C () only when b=0.5 () Test method Pipe the text equipment to the text circuit shown in Fig. (). Fill the air tank with compressed air and keep the pressure at a constant level above 0.6MPa (0.5MPa). Then discharge the air until the pressure in the tank drops to 0.5MPa (0.MPa). Measure the time required to dischargue the air and the residual pressure in the air tank after leaving it until the pressure becomes stable in order to calculate the effective sectional area S by the following formula. Select the capacity of the air tank according to the effective sectional area of the text equipment. In the case of JIS,, 5, 9,, the pressure values are in parentheses and the coefficient of formula is.9. V Ps S =. log0 () (6) t P + 0. T S : Effective area [mm ] V : ir tank capacity [dm ] t : Discharging time [s] Ps : Pressure inside air tank before discharging [MPa] P : Residual pressure inside air tank after discharging [MPa] T : Temperature inside air tank before discharging [K] Front matter Pressure control equipment Thermometer ir supply Filter Shut off valve Pressure switch Control circuit Pressure gauge or pressure convertor Timer (Clock) Pressure recorder Power supply Solenoid valve Equipment for test Rectifier tube in the upstream side Fig. () Test circuit based on JIS 90 Rectifier tube in the downstream side

7 Solenoid Valves Flow Characteristics. Flow coefficient Cv factor The United States Standard SI/(FP)T..:990: Pneumatic fluid powerflow rating test procedure and reporting method for fixed orifice components defines the flow coefficient Cv factor by the following formula which is based on testing conducted with a test circuit analogo us to ISO 65. Q Cv = () P (P + Pa).5 T P : Pressure drop between the static pressure tapping ports [bar] P : Pressure of the upstream tapping port [bar gauge] P : Pressure of the downstream tapping port [bar gauge]:p = P P Q : Flow rate [dm /s standard condition] Pa : tmospheric pressure [bar absolute] T : Upstream absolute temperature [K] Test conditions are < P + Pa = 6.5 ± 0. bar absolute, T = 9 ± 5K, 0.0 bar P 0. bar. This is the same concept as effective area which ISO65 stipulates as being applicable only when the pressure drop is small in relation to the upstream pressure so that the compression of air is negligible.. Equipment for process fluids () Standards conforming to IEC605--: 99: Industrial process control valves. Part : Flow capacity, Section Three-Test procedures JIS 005: 995: Test method for the flow coefficient of a valve Equipment standards: JIS : Regulator for water JIS : Solenoid valve for steam JIS : Solenoid valve for fuel oil () Definition of flow characteristics v factor: It is the value representing the flow of clean water in m /s which runs through a valve (equipment for test) when the pressure difference is Pa. It is calculated using the following formula. ρ v = Q () P v : Flow coefficient [m ] Q : Flow rate [m /s] P : Pressure difference [Pa] ρ : Density of fluid [kg/m ] () Formula of flow rate It is described by the known unit. lso, the flow characteristics line shown in the Graph (). In the case of liquid: P Q =.9 x 0 6 v (9) G Q : Flow rate [l/min] v : Flow coefficient [m ] P : Pressure difference [MPa] G : Relative density [water = ] In the case of saturated aqueous vapour: Q =. x 0 6 v P(P + 0.) (0) Q : Flow rate [kg/h] v : Flow coefficient [m ] P : Pressure difference [MPa] P : Upstream pressure [MPa]: P = P P P : Downstream pressure [MPa] Front matter

8 Solenoid Valves Flow Characteristics Conversion of flow coefficient: v = x 0 6 Kv = x 0 6 Cv () ere, Kv factor: It is the value representing the flow rate of clean water in m /h which runs through the valve at 5 to 0 C, when the pressure difference is bar. Cv factor (Reference values): It is the value representing the flow rate of clean water in US gal/min which runs through the valve at 60 F, when the pressure difference is lbf/in (psi). Values of pneumatic Kv are different from Cv because the testing method is different from each other. Saturated aqueous vapour flow rate Q0 [kg/h] (when v = x 0 6 [m ]) Ex. P = 0.5MPa P = 0.6MPa P = 0.MPa Upstream pressure P = MPa P = 0.MPa P = 0.MPa P = 0.MPa P = 0.MPa Ex Water flow rate Q0 [l /min] (When v = x 0 6 [m ]) Pressure differential P [MPa] Graph () Flow characteristics line Example ) Obtain the pressure difference when 5 [l/min] of water runs through the solenoid valve with an v = 5 x 0 6 [m ]. Since Q0 = 5/5 = 0. [l/min], according to the Graph (), if reading P when Q0 is 0., it will be 0.0 [MPa]. Example ) Obtain the flow rate of saturated aqueous vapour when P = 0. [MPa], P = 0.00 [MPa] with a solenoid valve with an v =.5 x 0 6 [m ]. ccording to the Graph (), if reading Q0 when P is 0. and P is 0.00, it is 0. [kg/h]. ence, the flow rate Q = 0. x.5 =.05 [kg/h]. Front matter 5

9 Solenoid Valves Flow Characteristics () Test method y attaching the equipment for testing with the test circuit shown in Fig. () and running water at 5 to 0 C, measure the flow rate with a pressure difference of 0.05 MPa. owever, the pressure difference needs to be set with a large enough difference so that the Reynolds number does not go below a range of x 0. y substituting the measurement results for formula () to figure out v. Thermometer Test range Pressure tap Equipment for test Pressure tap Throttle valve in the upstream side Flow meter d 6d Throttle valve in the downstream side 0d 0d Fig. () Test circuit based on IEC605--, JIS 005 Front matter 6

10 Flow Characteristics ote) Use this graph as a guide. In the case of obtaining an accurate flow rate, refer to front matter pages to 6. For ir (: ø0 mm, ø5 mm, ø0 mm, ø5 mm) Downstream pressure of valve (P) MPa Minimum operating pressure differential Upstream pressure of valve P =0.99 MPa Subsonic Critical pressure Sonic ow to read the graph The sonic range pressure to generate a flow rate of 6000 l/min (R) is P 0.5 MPa for a ø5 orifice (VXD0-0) and P 0. MPa for a ø0 orifice (VXD5-06) VXD0-0 VXD0-0 0 VXD 0-0 VXD 0-0 VXD VXD6 0-0,000,000,000,000,000,000,000,000,500,000 5,000 6,000,500,000 0,000 5,000 0,000 5,000 5,000 0,000 5,000 0,000 Flow rate Q l/min (R) ø0 ø0 ø5 ø5 ø0 ø5 For ir (: ø5 mm, ø0 mm, ø50 mm) 0.99 Minimum operating pressure differential (P +.0) = ( to.9) (P +.0) 0.9 Upstream pressure of Downstream pressure of valve (P) MPa valve P = 0.99 MPa 0.9 Subsonic Critical pressure Sonic VXD 0 VXD 0 VXD9 0 0,000 0,000 0,000 0,000 0,000 0,000 60,000 0,000 0,000 60,000 0,000 50,000 ø5 ø0 ø50 Flow rate Q l/min (R) Front matter

11 Flow Characteristics For Water Flow rate Q l/min (R), VXD9 0 ø50 Cv = 9 VXD 0 ø0 Cv = VXD 0 ø5 Cv = VXD 0-0 ø5 Cv = 5.5 VXD 0-0 ø5 Cv =.5 VXD0-0 0 ø0 Cv =. VXD0-0 ø0 Cv =.9 VXD6 0 ø5 Cv =.5 VXD5 0 ø0 Cv = 9.5 ow to read the graph When a water flow of 00 l/min is generated, P 0.6 MPa for a ø5 orifice (VXD0-0), P MPa for a ø0 orifice (VXD5 0), and P 0.0 MPa for a ø5 orifice (VXD6 ) Pressure differential P = (P P) MPa Front matter

12 pplicable Fluid Check List Pilot Operated Port Solenoid Valve Series VXD// ormally closed (.C.) Option Symbol and Components Option symbol Standard D E G J L P Seal material R EPDM EPDM R EPDM EPDM Material ody/shading coil ote ) rass (C) or ronze (CC0)/Copper ote ) Stainless steel/silver Coil insulation type ote igh corrosion resistance, Oil-free Fluid ame and Option Fluid (pplication) pplicable valve Caustic soda (5% ) Gas oil Silicon oil Steam system (Water for boiler) Steam system (Condensation) Perchloroethylene Water (Max. 99 C) Option symbol and body material rass (C) or ronze (CC0) 0 to 50 ote ) 0 to 5 are C and to 50 are CC0. ote ) The highest operating temperature of to 50 is 0 C. ote ) Stainless steel/silver is not available for valve sizes from to 50. ote ) Consult with SMC for other than above fluids. E D, E ote ) ote ) Stainless steel 0 to 5 J G, J P, P ormally open (.O.) Option Symbol and Components Option symbol Standard D E G J L P Seal material R EPDM EPDM R EPDM EPDM Front matter 9 ody/ Shading coil rass (C) or ote ) Material ronze (CC0)/ Copper Stainless steel/silver ote ) Inside bushing rod assembly PPS PPS Coil insulation type ote igh corrosion resistance, Oil-free Fluid ame and Option Option symbol and body material Fluid (pplication) ote ) ote ) rass (C) or ronze (CC0) Stainless steel pplicable valve 5 to 50 5 to 5 Caustic soda (5% ) Gas oil Silicon oil Steam system (Water for boiler) Steam system (Condensation) Perchloroethylene Water (Max. 99 C) E E J G, J P, P ote ) 0 to 5 are C and to 50 are CC0. ote ) The highest operating temperature of to 50 is 0 C. ote ) Stainless steel/silver is not available for valve sizes from to 50. ote ) Consult with SMC for other than above fluids.

13 Glossary of Terms Pressure Terminology. Maximum operating pressure differential The maximum pressure differential (the difference between the inlet and outlet pressure) which is allowed for operation, with the valve closed. When the downstream pressure is 0 MPa, this becomes the maximum operating pressure.. Minimum operating pressure differential The minimum pressure differential (differential between the inlet pressure and the outlet pressure) required to keep the main valve fully opened. ote) If the pressure differential is the minimum operating pressure differential when the valve is closed, it may be below the minimum operating pressure differential when the valve is open.. Maximum system pressure The maximum pressure that can be applied inside the pipelines (line pressure). (The pressure differential of the solenoid valve unit must be less than the maximum operating pressure differential.). Proof pressure The pressure which must be withstood without a drop in performance after returning to the operating pressure range. (value under the prescribed conditions). Material R: : Others itrile rubber Fluoro rubber Trade names: Viton, Dai-el, etc. EPDM: Ethylene propylene rubber PTFE: Polytetrafluoroethylene resin Trade names: Teflon, Polyflon, etc. F: Perfluoroelastomer Trade names: Kalrez, Chemraz. Oil-free treatment The degreasing and washing of wetted parts.. Passage symbol In the JIS symbol ( ) I and OUT are in a blocked condition ( ), but actually in the case of reverse pressure (OUT>I), there is a limit to the blocking. ( ) is used to indicate that blocking of reverse pressure is not possible. Electrical Terminology. pparent power (V) Volt-ampere is the product of voltage (V) and current (). Power dissipation (W): For C, W = V cosθ. For DC, W = V. (ote) cosθ shows power factor. cosθ = 0.6. Surge voltage high voltage which is momentarily generated in the shut-off unit by shutting off the power.. Degree of protection degree defined in the JIS C 090: Waterproof test of electric machinery/appliance and the degree of protection against the intrusion of solid foreign objects. IP65: Dust-tight, low jetproof type Low jetproof type means that no water intrudes inside the equipment that could hinder it from operating normally by means of discharging water for minutes in the prescribed manner. Take appropriate protection measures, since a device is not usable in an environment where a water drop is splashed. Front matter 0

14 Pilot Operated Port Solenoid Valve Series VXD// For Water, Oil, ir Single Unit Valve ormally closed (.C.) ormally open (.O.) Solenoid Coil Coil: Class, Class Rated Voltage 00 VC, 00 VC, 0 VC, 0 VC, 0 VC, 0 VC, VC, VDC, VDC Material ody rass/ronze, Stainless steel Seal R,, EPDM Electrical Entry Grommet Conduit DI terminal Conduit terminal ody size (Thread) ody size 0 50 (Flange) VXD0 VXD 0,,, VXD 0 VXD 0 0 VXD5 0 VXD VXD6 0 Standard Specifications Valve specifications Valve construction Withstand pressure (MPa) ody material Seal material Enclosure Environment C (Class coil, with a full-wave rectifier) Rated voltage C (Class coil/ coil) ote ) DC (Class coil only) Coil llowable voltage fluctuation specifications llowable C (Class coil, with a full-wave rectifier) leakage C (Class coil/ coil) ote ) voltage DC (Class coil only) Coil insulation type ote ) Electrical entry, Grommet with surge voltage suppressor (GS) has a rating of IP0. ote ) The C (Class ) coil for the VXD0 comes with a full-wave rectifier. Pilot operated port diaphragm type 5.0 rass (C), Stainless steel, ronze (CC0) R,, EPDM Dust-tight, Low jetproof (equivalent to IP65) ote ) Location without corrosive or explosive gases 00 VC, 00 VC, 0 VC, 0 VC, 0 VC, 0 VC, VC VDC, VDC ±0% of rated voltage ±0% or less of rated voltage ±0% or less of rated voltage ±% or less of rated voltage Class, Class Solenoid Coil Specifications DC Specification VXD0 0 0 VXD /5 0 0 VXD6 / 0 0 VXD /9 Power consumption (W) C Specification (Class coil) pparent power (V) Frequency (z) Inrush Energised VXD VXD VXD Temperature rise (C ) ote) Temperature rise (C ) ote) The C (Class ) coil for the VXD0 comes with a full-wave rectifier. ote) The values are for an ambient temperature of 0 C and at the rated voltage. C Specification (Class coil, with a full-wave rectifier) pparent power (V) Temperature rise (C ) ote) VXD VXD VXD There is no difference in apparent power due to the inrush, energisation, or frequency of the power, since the C coil uses a rectifying circuit. C Specification (Class coil) pparent power (V) Frequency (z) Inrush Energised VXD VXD VXD Temperature rise (C ) ote)

15 Pilot Operated Port Solenoid Valve Series VXD// For Water, Oil, ir ow to Order Solenoid Coil ssembly Table () and Solenoid Coil Type Select the coil type from to C, and refer to ow to Order below. C (with a fullwave rectifier) Voltage type C DC Coil insulation type Class Class Class Class (Solenoid valve option) VXD0 VXD 5 6 VXD VXD DC, C (Except VXD0 C/Class ) ote ) 5 6 J VX0 Series VXD VXD VXD Rated voltage 5 G ote ) 00 VC 50/60 z 00 VC 50/60 z 0 VC 50/60 z 0 VC 50/60 z VDC VDC 0 VC 50/60 z VC 50/60 z 0 VC 50/60 z ote ) The C (Class ) coil for VXD0 only comes with a full-wave rectifier. ote ) Refer to Table () for the available combinations. G - Grommet GS- With grommet surge voltage suppressor 9 (-,,, G,, J, L) ote) (D, E,, P) - C- Conduit (-,,, G,, J, L) Coil insulation type Class Class ote) ote) DI terminal and DC are not available. Valve Symbol - (-,,, G,, J, L) Valve.C..O. Electrical entry Table () Rated Voltage Electrical Option Class Rated voltage S L Z S C/ DC C DC C/Class (with a full-wave rectifier) VX0 Series VXD VXD VXD Rated voltage J Voltage symbol J 5 6 Voltage 00 V 00 V 0 V 0 V 0 V V 0 V V V With surge voltage suppressor G R ote ) 00 VC 50/60 z 00 VC 50/60 z 0 VC 50/60 z 0 VC 50/60 z 0 VC 50/60 z VC 50/60 z 0 VC 50/60 z With light ote ) Refer to Table () for the available combinations. G- Grommet C- Conduit With light With surge and surge voltage voltage suppressor suppressor Class L With light DC specification is not available. Valve Symbol - Z With light and surge voltage suppressor Option S, Z are not available as a surge voltage suppressor is integrated into the C/Class coil (with a full wave rectifier) as standard. When changing coils, C/DC are not interchangeable with each other, and Class and coils are also not interchangeable with each other. C/Class (with a full-wave rectifier)/dc are interchangeable with each other. Valve.C..O. Electrical entry T - With conduit terminal TS - With conduit terminal and surge voltage suppressor TL - With conduit terminal and light TZ - With conduit terminal, surge voltage suppressor and light Refer to Table () for the available combinations between each electrical option and rated voltage. VX0 Rated voltage 5 6 VDC VDC D - DI DS - DI with surge Connector voltage suppressor DL - DI with light DZ - DI with surge voltage suppressor and light DO- For DI (without connector) 5 G Z T - With conduit terminal TL - With conduit terminal and light D - DI DL - DI with light DO- For DI (without connector) Connector Refer to Table () for the available combinations between each electrical option and rated voltage. surge voltage suppressor is integrated into the C/Class coil (with a full wave rectifier) as standard. ame plate part no. Z-T-VX Valve model Enter by referring to ow to Order. Clip part no. (For.C.) For VXD: VX0-0 For VXD: VX0-0 For VXD: VX0-0 Clip ame plate Solenoid coil Clip part no. (For.O.) For VXD: ETW- For VXD: ETW- For VXD: ETW-9

16 Series VXD// For Water /Valve Specifications ormally closed (.C.) Passage symbol Thread Flange () (0) (5) (0) (5) 0 50 (mmø) VXD0-0 VXD0-0 VXD0-0 VXD0-0 VXD0-0 VXD50-06 VXD60-0 VXD0- VXD0-0 VXD90-50 Min. operating pressure differential (MPa) Max. operating pressure differential (MPa) C DC Flow characteristics v x 0-6 m Cv converted ote) Weight of grommet type. dd 0 g for conduit, 0 g for DI terminal, and 60 g for terminal type respectively. Refer to Glossary of Terms on front matter 0, for details on the max. operating pressure differential and the max. system pressure. Max. system pressure (MPa).5 ote) Weight (g) ormally open (.O.) Passage symbol Thread Flange (0) (5) (0) (5) 0 50 (mmø) VXD-0 VXD-0 VXD5-06 VXD6-0 VXD- VXD-0 VXD9-50 Min. operating pressure differential (MPa) Max. operating pressure differential (MPa) C, DC 0. Flow characteristics v x 0-6 m Cv converted ote) Weight of grommet type. dd 0 g for conduit, 0 g for DI terminal, and 60 g for terminal type respectively. Refer to Glossary of Terms on front matter 0, for details on the max. operating pressure differential and the max. system pressure. Max. system pressure (MPa).5 ote) Weight (g) Operating Fluid and mbient Temperature Tightness of Valve (Leakage Rate) Power source C DC Operating fluid temperature ( C) Solenoid valve option Standard, G, E, P to 60 to 99 to 60 mbient temperature ( C) 0 to 60 0 to 60 ote ) Since the C/Class coil (with a full-wave rectifier) uses a rectifying circuit, the fluid and ambient temperature are the same as the DC specifications. ote ) With no freezing. Seal material R,, EPDM Leakage rate (With water pressure) to to cm /min or less cm /min or less

17 Pilot Operated Port Solenoid Valve Series VXD// For Water/Single Unit DC/C (except VXD0 C/Class ) VXD 0 C/Class coil (with a full-wave rectifier) VXD 0 The C (Class ) coil for VXD0 only comes with a full-wave rectifier. Refer to Table () shown below for availability. Valve/ody configuration 0.C. / Single unit.o. / Single unit Solenoid valve option Refer to Table () shown below for availability. Option symbol - G E P L 5 - Z Refer to Table () shown below for availability. Suffix Oil-free 00 VC 50/60 z 00 VC 50/60 z 0 VC 50/60 z 0 VC 50/60 z VDC ow to Order Refer to Table () shown below for availability. Thread type 6 J - T F Refer to Table () shown below for availability. Table () Port/Orifice Size ormally closed (.C.) Port no. () Thread Flange Table () Solenoid Valve Option Seal material R EPDM Rc PTF G PT Refer to page for ordering coil only. Solenoid valve () VXD 0 ( ) 0 ( ) 0 ( ) 06 ( ) VXD 0 () () ormally open (.O.) Solenoid valve () Thread Port no. () Flange VXD 0 ( ) 0 ( ) 06 ( ) VXD 0 () () ody material/ Shading coil material rass (C)/Copper Stainless steel/silver rass (C)/Copper Stainless steel/silver Stainless steel/silver VXD 0 (0) 50 (50) VXD 0 (0) 50 (50) Coil insulation type Rated voltage VDC 0 VC 50/60 z VC 50/60 z 0 VC 50/60 z (0 mmø) (5 mmø) ote eated water (C only) igh corrosion resistance specification, Oil-free (5 mmø) 5 (0 mmø) 0 5 G 0 G R G - Grommet GS- With grommet surge voltage suppressor T - With conduit terminal TS - With conduit terminal and surge voltage suppressor TL - With conduit terminal and light TZ - With conduit terminal, surge voltage suppressor and light 5 (0 mmø) Orifice symbol 6 (5 mmø) (5 mmø) Electrical entry C- Conduit Table () Rated Voltage Electrical Option Rated voltage Class S L Z C/ Voltage With surge Voltage With With light and voltage surge voltage DC symbol suppressor light suppressor C J 00 V 00 V 0 V 0 V 0 V V 0 V DC 5 V 6 V racket - one With bracket racket is not removable. With a full-wave rectifier, surge voltage suppressor D - DI Connector DS - DI with surge voltage suppressor DL - DI with light DZ - DI with surge voltage suppressor and light DO- For DI (without connector) DI type is available with class insulation only. Refer to Table () for the available combinations between each electrical option (S, L, Z) and rated voltage. Option S, Z are not available as a surge voltage suppressor is integrated into the C/Class coil (with a full-wave rectifier) as standard. Orifice symbol 6 (5 mmø) (5 mmø) (0 mmø) (0 mmø) 9 (50 mmø) 9 (50 mmø) S With surge voltage suppressor ody Material Class L With light Seal Z With light and surge voltage suppressor DC specification is not available. ote) Option S, Z are not available as a surge voltage suppressor is integrated into the C/Class coil (with a full-wave rectifier) as standard. ody rass (C), Stainless steel ronze (CC0) Material rass (C), Stainless steel ronze (CC0) Seal R EPDM R EPDM For Water For Oil For ir

18 Series VXD// For Oil /Valve Specifications ormally closed (.C.) Passage symbol Thread Flange () (0) (5) (0) (5) 0 50 (mmø) VXD0-0 VXD0-0 VXD0-0 VXD0-0 VXD0-0 VXD50-06 VXD60-0 VXD0- VXD0-0 VXD90-50 Min. operating pressure differential (MPa) Max. operating pressure differential (MPa) C DC Flow characteristics v x 0-6 m Cv converted ote) Weight of grommet type. dd 0 g for conduit, 0 g for DI terminal, and 60 g for terminal type respectively. Refer to Glossary of Terms on front matter 0, for details on the max. operating pressure differential and the max. system pressure. Max. system pressure (MPa).5 ote) Weight (g) ormally open (.O.) Passage symbol Thread Flange (0) (5) (0) (5) 0 50 (mmø) VXD-0 VXD-0 VXD5-06 VXD6-0 VXD- VXD-0 VXD9-50 Min. operating pressure differential (MPa) Max. operating pressure differential (MPa) C, DC 0.6 Flow characteristics v x 0-6 m Cv converted ote) Weight of grommet type. dd 0 g for conduit, 0 g for DI terminal, and 60 g for terminal type respectively. Refer to Glossary of Terms on front matter 0, for details on the max. operating pressure differential and the max. system pressure. Max. system pressure (MPa).5 ote) Weight (g) Operating Fluid and mbient Temperature Tightness of Valve (Leakage Rate) Power source C DC Operating fluid temperature ( C) Solenoid valve option, D, 5 to 60 5 to 00 5 to 60 mbient temperature ( C) 0 to 60 0 to 60 ote ) Kinematic viscosity: 50 mm /s or less. ote ) Since the C/Class coil (with a full-wave rectifier) uses a rectifying circuit, the fluid and ambient temperature are the same as the DC specifications. Seal material Leakage rate (With oil pressure) to to cm /min or less cm /min or less 5

19 Pilot Operated Port Solenoid Valve Series VXD// For Oil/Single Unit DC/C (except VXD0 C/Class ) C/Class coil (with a full-wave rectifier) The C (Class ) coil for VXD0 only comes with a full-wave rectifier. Refer to Table () shown below for availability. Refer to Table () shown below for availability. Valve/ody configuration 0.C. / Single unit.o. / Single unit Solenoid valve option Refer to Table () shown below for availability. 5 - Z Suffix Oil-free 00 VC 50/60 z 00 VC 50/60 z 0 VC 50/60 z 0 VC 50/60 z VDC Refer to Table () shown below for availability. Thread type - T F Rc PTF G PT Rated voltage 6 VDC 0 VC 50/60 z VC 50/60 z J 0 VC 50/60 z Refer to Table () shown below for availability. Table () Port/Orifice Size ormally closed (.C.) Port no. () Thread Flange Table () Solenoid Valve Option Refer to page for ordering coil only. Solenoid valve () VXD 0 ( ) 0 ( ) 0 ( ) 06 ( ) VXD 0 () () ormally open (.O.) Solenoid valve () Thread Port no. () Option symbol D Flange Seal material VXD 0 ( ) 0 ( ) 06 ( ) VXD 0 VXD 0 VXD 0 () () ody material/ Shading coil material rass (C)/Copper Stainless steel/silver rass (C)/Copper Stainless steel/silver VXD 0 (0) 50 (50) VXD 0 (0) 50 (50) (0 mmø) (5 mmø) Coil insulation type ow to Order (5 mmø) 5 (0 mmø) G - Grommet GS- With grommet surge voltage suppressor T - With conduit terminal TS - With conduit terminal and surge voltage suppressor TL - With conduit terminal and light TZ - With conduit terminal, surge voltage suppressor and light 5 (0 mmø) Orifice symbol 6 (5 mmø) Orifice symbol 6 (5 mmø) 0 5 G 0 G R (5 mmø) (5 mmø) (0 mmø) Electrical entry C- Conduit racket - one With bracket racket is not removable. With a full-wave rectifier, surge voltage suppressor D - DI Connector DS - DI with surge voltage suppressor DL - DI with light DZ - DI with surge voltage suppressor and light DO- For DI (without connector) DI type is available with class insulation only. Refer to Table () for the available combinations between each electrical option (S, L, Z) and rated voltage. Option S, Z are not available as a surge voltage suppressor is integrated into the C/Class coil (with a full-wave rectifier) as standard. (0 mmø) 9 (50 mmø) 9 (50 mmø) ody Material ody rass (C), Stainless steel ronze (CC0) Seal Material Seal R EPDM ronze (CC0) Table () Rated Voltage Electrical Option Rated voltage Class Class S L Z S L Z C/ Voltage With surge Voltage With With light and With surge With With light and voltage surge voltage voltage surge voltage DC symbol suppressor light suppressor suppressor light suppressor C J 00 V 00 V 0 V 0 V 0 V V 0 V DC 5 V DC specification is not 6 V available. ote) Option S, Z are not available as a surge voltage suppressor is integrated into the C/Class coil (with a full-wave rectifier) as standard. rass (C), Stainless steel R EPDM 6 For Water For Oil For ir

20 Series VXD// For ir (Inert gas) /Valve Specifications ormally closed (.C.) Passage symbol () (0) Thread (5) (0) (mmø) VXD0-0 VXD0-0 VXD0-0 VXD0-0 VXD0-0 VXD50-06 Min. operating pressure differential (MPa) 0.0 Max. operating pressure differential (MPa) C DC C Flow characteristics b Cv Max. system pressure (MPa).5 ote) Weight (g) Thread Flange (5) 0 50 (mmø) VXD60-0 VXD0- VXD0-0 VXD90-50 Min. operating pressure differential (MPa) Max. operating pressure differential (MPa) C, DC ote) Weight of grommet type. dd 0 g for conduit, 0 g for DI terminal, and 60 g for terminal type respectively. Refer to Glossary of Terms on front matter 0, for details on the max. operating pressure differential and the max. system pressure..0 Flow characteristics Effective area (mm ) Max. system pressure (MPa).5 ote) Weight (g) ormally open (.O.) Passage symbol (0) Thread (5) (0) (mmø) 5 0 VXD-0 VXD-0 VXD5-06 Min. operating pressure differential (MPa) 0.0 Max. operating pressure differential (MPa) C, DC 0. C Flow characteristics b Cv Max. system pressure (MPa).5 ote) Weight (g) Thread Flange (5) 0 50 (mmø) VXD6-0 VXD- VXD-0 VXD9-50 Min. operating pressure differential (MPa) Max. operating pressure differential (MPa) C, DC ote) Weight of grommet type. dd 0 g for conduit, 0 g for DI terminal, and 60 g for terminal type respectively. Refer to Glossary of Terms on front matter 0, for details on the max. operating pressure differential and the max. system pressure. 0. Flow characteristics Effective area (mm ) Max. system pressure (MPa).5 ote) Weight (g) Operating Fluid and mbient Temperature Tightness of Valve (Leakage Rate) Operating fluid temperature ( C) Power source Solenoid valve option Standard, G C 0 ote) to 60 DC 0 ote) to 60 ote) Dew point temperature: 0 C or less. mbient temperature ( C) 0 to 60 0 to 60 Seal material R, Leakage rate (ir) to to 50 cm /min or less 0 cm /min or less

21 Pilot Operated Port Solenoid Valve Series VXD// For ir/single Unit Refer to Table () shown below for availability. Refer to Table () shown below for availability. Valve/ody configuration 0.C. / Single unit.o. / Single unit Solenoid valve option Refer to Table () shown below for availability. 5 - Z Suffix Oil-free 00 VC 50/60 z 00 VC 50/60 z 0 VC 50/60 z 0 VC 50/60 z VDC Refer to Table () shown below for availability. Thread type 6 J - T F Refer to Table () shown below for availability. Table () Port/Orifice Size ormally closed (.C.) Port no. () Thread Flange Rc PTF G PT Refer to page for ordering coil only. Solenoid valve () VXD 0 ( ) 0 ( ) 0 ( ) 06 ( ) 0 ( ) 0 ( ) 06 ( ) VXD 0 () () ormally open (.O.) Solenoid valve () Thread Port no. () DC VXD 0 VXD 0 C/Class coil (with a full-wave rectifier) The C (Class ) coil for VXD0 only comes with a full-wave rectifier. Flange VXD VXD 0 () () Table () Solenoid Valve Option Option symbol - G Seal material R ody material/ Shading coil material rass (C)/Copper Stainless steel/silver VXD 0 (0) 50 (50) VXD 0 (0) 50 (50) Coil insulation type ow to Order (Single Unit) Rated voltage VDC 0 VC 50/60 z VC 50/60 z 0 VC 50/60 z (0 mmø) (5 mmø) ote (5 mmø) 5 (0 mmø) G - Grommet GS- With grommet surge voltage suppressor T - With conduit terminal TS - With conduit terminal and surge voltage suppressor TL - With conduit terminal and light TZ - With conduit terminal, surge voltage suppressor and light 5 (0 mmø) Orifice symbol 6 (5 mmø) Orifice symbol 6 (5 mmø) 0 5 G 0 G R (5 mmø) (5 mmø) (0 mmø) Electrical entry C- Conduit racket - one With bracket racket is not removable. With a full-wave rectifier, surge voltage suppressor D - DI Connector DS - DI with surge voltage suppressor DL - DI with light DZ - DI with surge voltage suppressor and light DO- For DI (without connector) DI type is available with class insulation only. Refer to Table () for the available combinations between each electrical option (S, L, Z) and rated voltage. Option S, Z are not available as a surge voltage suppressor is integrated into the C/Class coil (with a full-wave rectifier) as standard. (0 mmø) 9 (50 mmø) 9 (50 mmø) ody rass (C), Stainless steel Material ody rass (C), Stainless steel ronze (CC0) Seal R Material Seal R ronze (CC0) Table () Rated Voltage Electrical Option Rated voltage Class Class S L Z S L Z C/ Voltage With surge Voltage With With light and With surge With With light and voltage surge voltage voltage surge voltage DC symbol suppressor light suppressor suppressor light suppressor 00 V 00 V 0 V C 0 V 0 V V J 0 V DC 5 V DC specification is not 6 V available. ote) Option S, Z are not available as a surge voltage suppressor is integrated into the C/Class coil (with a full-wave rectifier) as standard. For Water For Oil For ir

22 Series VXD// Construction ormally closed (.C.) ody material: rass ( or more: ronze), Stainless steel VXD0 (0) 9 C OUT P P I!!! o i t!0 e u w y q w y u q VXD0/0/90 ( to 50)!!! i t e o!0 r u y q VXD0/50/60 (5 to 5) Operation <Valve opened> When the coil! is energised, the armature assembly o is attracted into the core of the tube assembly i and the pilot valve opens. Then the pressure in the pressure action chamber falls to open the main valve C. <Valve closed> When the coil! is not energised, the pilot valve is closed and the pressure in the pressure action chamber rises and the main valve C closes. Component Parts o. Description Size ody onnet ut O-ring O-ring Diaphragm assembly Valve spring Tube assembly rmature assembly Reurn spring Solenoid coil ame plate Clip 0 to 5 to 50 0 to 5 to 50 0 to 50 to 50 0 to 50 0 to 5 to 50 0 to 50 0 to 5 to to 50 0 to 50 0 to 50 0 to 50 0 to 50 w P P I C OUT!!! o i e t!0 C Material Standard Option rass Stainless steel ronze rass Stainless steel ronze rass (R) (R) Stainless steel, (R) Stainless steel, rass (R) Stainless steel Stainless steel, Copper Stainless steel, PPS, (R) rass, i plated (, EPDM) (, EPDM) Stainless steel, ( ) Stainless steel, (EPDM) Stainless steel, (, EPDM) Stainless steel, Silver Stainless steel, PPS, () Stainless steel, (EPDM) Stainless steel Class molded Class molded luminum SK ormally open (.O.) ody material: rass ( or more: ronze), Stainless steel VXD/5/6 (5 to 5) w y u q VXD//9 ( to 50)!!5! o! w i t e!!0 r u y q!!5! o!! i e t!0 Operation <Valve opened> When the coil! is energised, the opened pilot closes, the pressure in pressure action chamber rises and the main valve C closes. <Valve closed> When the coil! is not energised, the closed pilot valve opens, the pressure in pressure action chamber drops and the main valve C opens. Component Parts o ody Description onnet ut O-ring O-ring Diaphragm assembly Valve spring Tube assembly rmature assembly Reurn spring Solenoid coil Push rod assembly ame plate Clip Cover Size 5 to 5 to 50 5 to 5 to 50 5 to 5 to 50 5 to 50 5 to 5 to 50 5 to 5 5 to 5 to 50 0 to 50 5 to 50 5 to 50 5 to 50 5 to 50 5 to 50 5 to 50 C C Material Standard Option rass Stainless steel ronze rass Stainless steel ronze rass (R) (R) Stainless steel, (R) The materials in parentheses are the seal materials. Stainless steel, (R) Stainless steel, (, EPDM) Stainless steel Stainless steel, Silver Stainless steel, Copper Stainless steel Stainless steel Class molded Class molded (R), PPS, Stainless steel, (EPDM), Stainless steel luminum SK Stainless steel rass, i plated (, EPDM) (, EPDM) Stainless steel, ( ) Stainless steel, (EPDM)

23 Pilot Operated Port Solenoid Valve Series VXD// For Water, Oil, ir Dimensions ormally closed (.C.): VXD0 Grommet: G Conduit: C (6) (5) 9.5 I pprox. 00 G/ (6) (5) 9.5 I pprox. 0 D (.6) G (5.5) (.5) racket (.5) OUT I OUT I () G (.6) (5.5) () () E -P F 0 () racket C 50 E -P () F 0 C 50 DI terminal: D Conduit terminal: T J I Cable ø6 to ø 9.5 J E F 0 () (.6) G (5.5) OUT (.5) () racket 9.5 C 50 (56) (6) I.5 G / E -P F 0 () G (.6) (5.5) OUT () racket (.5) C 50 (56) (6) I I G / 5 -P VXD0-0 -M5 x (mm) ormally closed VXD0 P /, / / 6 0 C 0 6 D E.5 F G Grommet I Electrical entry (DC, C/Class coil) Conduit DI terminal Conduit terminal I I J I J ormally closed VXD0 Grommet 5 60 I 0 0 Coil with a full-wave rectifier (electrical option R ) Electrical entry (C/Class coil) Conduit DI terminal Conduit terminal I I J I J

24 Series VXD// Dimensions ormally closed (.C.): VXD0/50/60 ormally open (.O.): VXD/5/6 Grommet: G pprox. 00 Q L M Conduit: C pprox. 0 Q L G/ OUT I a b x ø.5 e d Conduit terminal: T DI terminal: D () f C E F D -P J K (Q) L (Q) L G / G/ Cable ø6 to ø E (R) R ormally closed ormally open VXD0 VXD VXD50 VXD5 VXD60 VXD6 ( ) denotes the value for.o. ormally closed VXD0 VXD50 VXD60 ormally open VXD VXD5 VXD6 P /, / / P /, / / C D E F J K L M a (0.5) 5.5 () (0.5) b 66 6 d 5 9 e racket mounting 5 (mm) f ormally closed VXD0 VXD50 VXD ormally open VXD VXD5 VXD6 Electrical entry (DC, C) (mm) Grommet Conduit DI terminal Conduit terminal Q Q Q R Q R Grommet Conduit DI terminal Conduit terminal Q Q Q R Q R Coil with a full-wave rectifier (electrical option R ) Electrical entry (C/Class coil) (mm)

25 Pilot Operated Port Solenoid Valve Series VXD// For Water, Oil, ir Dimensions ormally closed (.C.): VXD0/0/90 ormally open (.O.): VXD//9 Grommet: G pprox. 00 J K OUT C M øf (P.C.D) I ø D Conduit: C E -ø ø DI terminal: D pprox. 0 J () J L M G / M () G / Cable ø6 to ø Conduit terminal: T (Q) () J M 5 G / ormally closed ormally open VXD0 VXD VXD0 VXD VXD90 VXD9 Q ( ) denotes the value for.o. pplicable flange 0 50 C D E F J K L (0) 5 (9.5) 9.5 (05.5) ormally closed 6 5 VXD0 VXD0 VXD ormally open VXD VXD VXD Grommet Conduit DI terminal Conduit terminal 6 M M Q M Q M Coil with a full-wave rectifier (electrical option R ) Electrical entry (C/Class coil) Electrical entry (DC, C) (mm) (mm) Grommet Conduit DI terminal Conduit terminal M M M Q M Q

26 Series VXD// Safety Instructions These safety instructions are intended to prevent a hazardous situation and/or equipment damage. These instructions indicate the level of potential hazard by labels of "Caution", "Warning" or "Danger". To ensure safety, be sure to observe ISO ote ), JIS 0 ote ) and other safety practices. Caution : Operator error could result in injury or equipment damage. Warning : Operator error could result in serious injury or loss of life. Danger : In extreme conditions, there is a possible result of serious injury or loss of life. ote ) ISO : Pneumatic fluid power--general rules relating to systems. ote ) JIS 0: General Rules for Pneumatic Equipment Warning. The compatibility of the pneumatic equipment is the responsibility of the person who designs the pneumatic system or decides its specifications. Since the products specified here are used in various operating conditions, their compatibility for the specific pneumatic system must be based on specifications or post analysis and/or tests to meet your specific requirements. The expected performance and safety assurance are the responsibility of the person who has determined the compatibility of the system. This person should continuously review the suitability of all items specified, referring to the latest catalogue information with a view to giving due consideration to any possibility of equipment failure when configuring a system.. Only trained personnel should operate pneumatically operated machinery and equipment. Compressed air can be dangerous if handled incorrrectly. ssembly, handling or repair of pneumatic systems should be performed by trained and experienced operators.. Do not service machinery/equipment or attempt to remove components until safety is confirmed.. Inspection and maintenance of machinery/equipment should only be performed once measures to prevent falling or runaway of the driven objects have been confirmed.. When equipment is removed, confirm that safety process as mentioned above. Turn off the supply pressure for this equipment and exhaust all residual compressed air in the system.. efore machinery/equipment is restarted, take measures to prevent quick extension of a cylinder piston rod, etc.. Contact SMC if the product will be used in any of the following conditions:. Conditions and environments beyond the given specifications, or if product is used outdoors.. Installation on equipment in conjunction with atomic energy, railway, air navigation, vehicles, medical equipment, food and beverages, recreation equipment, emergency stop circuits, clutch and brake circuits in press applications, or safety equipment.. n application which has the possibility of having negative effects on people, property, or animals, requiring special safety analysis. ack page

27 Port Solenoid Valve for Fluid Control/Precautions e sure to read this before handling. For detailed precautions on each series, refer to the main text. Warning Caution on Design. Cannot be used as an emergency shutoff valve, etc. The valves presented in this catalogue are not designed for safety applications such as an emergency shutoff valve. If the valves are used in this type of system, other reliable safety assurance measures should also be adopted.. Extended periods of continuous energisation The solenoid coil will generate heat when continuously energised. void using in a tightly shut container. Install it in a wellventilated area. Furthermore, do not touch it while it is being energised or right after it is energised.. This solenoid valve cannot be used for explosion proof applications.. Maintenance space The installation should allow sufficient space for maintenance activities (removal of valve, etc.). 5. Liquid rings In cases with a flowing liquid, provide a bypass valve in the system to prevent the liquid from entering the liquid seal circuit. 6. ctuator drive When an actuator, such as a cylinder, is to be driven using a valve, take appropriate measures to prevent potential danger caused by actuator operation.. Pressure (including vacuum) holding It is not usable for an application such as holding the pressure (including vacuum) inside of a pressure vessel because air leakage is entailed in a valve.. When the conduit type is used as equivalent to an IP65 enclosure, install a wiring conduit, etc. 9. When an impact, such as water hammer, etc., caused by the rapid pressure fluctuation is applied, the solenoid valve may be damaged. Please pay attention to this. Warning Selection. Confirm the specifications. Give careful consideration to the operating conditions such as the application, fluid and environment, and use within the operating ranges specified in this catalogue.. Fluid ) Type of fluid efore using a fluid, confirm whether it is compatible with the materials from each model by referring to the fluids listed in this catalogue. Use a fluid with a kinematic viscosity of 50 mm /s or less. If there is something you do not know, please contact SMC. ) Inflammable oil, Gas Confirm the specification for leakage in the interior and/or exterior area. Warning Selection ) Corrosive gas Cannot be used since it will lead to cracks by stress corrosion or result in other incidents. ) Use an oil-free specification when oily particles must not enter the fluid passage. 5) pplicable fluid on the list may not be used depending on the operating condition. Just because the compatibility list shows the general case, still give adequate confirmation when selecting a model.. Fluid quality The use of a fluid which contains foreign matter can cause problems such as malfunction and seal failure by promoting wear of the valve seat and armature, and by sticking to the sliding parts of the armature, etc. Install a suitable filter (strainer) immediately upstream from the valve. s a general rule, use 0 to 00 mesh. When used to supply water to boilers, substances such as calcium and magnesium which generate hard scale and sludge are included. Since this scale and sludge can cause the valve to malfunction, install water softening equipment, and a filter (strainer) directly upstream from the valve to remove these substances.. ir quality ) Use clean air. Do not use compressed air which includes chemicals, synthetic oils containing organic solvents, salt or corrosive gases, etc., as it can cause damage or malfunction. ) Install air filters. Install air filters close to the valves on their upstream side. filtration degree of 5µm or less should be selected. ) Install an air dryer or after cooler, etc. Compressed air that includes excessive drainage may cause malfunction of valves and other pneumatic equipment. To prevent this, install an air dryer or after cooler, etc. ) If excessive carbon powder is generated, eliminate it by installing mist separators on the upstream side of the valves. If excessive carbon powder is generated by the compressor, it may adhere to the inside of the valves and cause a malfunction. Refer to SMC s est Pneumatics catalogue for further details on compressed air quality. 5. mbient environment Use within the operable ambient temperature range. Confirm the compatibility between the product s composition materials and the ambient atmosphere. e sure that the fluid used does not touch the external surface of the product. 6. Countermeasures against static electricity Take measures to prevent static electricity since some fluids can cause static electricity.. For the low particle generation specification, please contact SMC. ack page