Solenoid valves for drinking water Types EV220BW and EV228BW
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- Verity Charles
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1 Data sheet Solenoid valves for drinking water Types EV220BW and EV228BW Solenoid valve range with drinking water approvals For water supply Houses and large apartments - Kitchen and bathrooms Commercial buildings Industrial buildings Zoning Laundry Diswashing Main inlet valves Machines and food processing Features and versions y Clip-on coil y Flow range for water in Kv: 4 40 m³ / h y Differential pressure: bar y Media temperature from 0 90 C y Ambient temperature: Up to 80 C y Coil enclosure: IP65 y Thread connections: From G /2 G 2 y DN 5 50 y Water hammer damped y Built-in filter y Body material in ECO brass (Lead free < 0, %) or Stainless steel y New generation sealings recommended for drinking water y Valves are certified by RISE, notified body 002. Valid in Denmark and Sweden. In accordance with Boverket Building Regulations (BBR 2, ). Certificate number SCO55-8 y Valves are certified by SINTEF Valid in Norway In accordance with NKB Product rules nr. 3, pkt NT VVS 00, pkt og EN ISO 6509 y Inspection by DTI y EV220BW 5-25 ECO brass NC/NO y EV220BW 5-50 SS NC/NO y EV228BW 5-25 ECO brass UN (Latching) y EV228BW 5-50 SS UN (Latching) IC.PD.200.I2.02
2 EV220BW 5-25 ECO brass valve body, NC y In accordance with: - Low Voltage Directive 204/35/EU - EN EN Pressure Equipment Directive 204/68/EU y RoHS Directive 20/65/EU y Wetted materials in accordance with BBR, DVGW, 4MS (4 member states Germany, Holland, France and UK), KTW and W270 y Certified by RISE y Certified by SINTEF y Inspection by DTI 002 CERTIFIERAD 356 DTI ISO228/ connection Seal material Orifice size K v - value Media temperature Differential pressure [mm] [m³/ h] [ C] [Bar] G ½ U500 G ¾ U2000 G U2500 ) It is recommended to use a filter in front of the valve. 2 ) In water applications, exercise the valves at least once every 24 hours, meaning change the state of the valve. The valve exercise will minimize the risk of the valve sticking due to calcium carbonate, zinc or iron oxide build-up. ON OFF 24h Technical data Main Type EV220BW 5 BE EV220BW 20 BE EV220BW 25 BE Time to open [ms] ) Time to close [ms] ) ) The times are indicative and apply to water. The exact times will depend on the pressure conditions. Closing times can be changed by replacement of the equalizing orifice. Installation Max. working pressure (MWP) Max. test pressure Ambient temperature Viscosity Materials Optional, but vertical solenoid system is recommended 0 bar 25 bar BB DC Up to 50 C BB AC Up to 80 C EEC BE240CS Up to 55 C Max. 50 cst Valve body / cover ECO brass CW724R Armature Stainless steel W.no..405 / AISI 430 FR Armature tube Stainless steel W.no / AISI 304 L Armature stop Stainless steel W.no..405 / AISI 430 FR Springs Stainless steel W.no..430 / AISI 30 Equalizing orifice ECO brass CW724R O-rings Valve plate Diaphragm IC.PD.200.I2.02 2
3 EV220BW 5-50 SS valve body NC y In accordance with: - Low Voltage Directive 204/35/EU - EN EN Pressure Equipment Directive 204/68/EU y RoHS Directive 20/65/EU y Wetted materials in accordance with BBR, DVGW, 4MS (4 member states Germany, Holland, France and UK), KTW and W270 y Certified by RISE y Certified by SINTEF y Inspection by DTI 002 CERTIFIERAD 356 DTI ISO228/ connection Seal material Orifice size K v - value Media temperature Differential pressure [mm] [m³/ h] [ C] [Bar] G ½ ,3 0 32U580 G ¾ ,3 0 32U2080 G ,3 0 32U2580 G / ,3 0 32U3280 G ½ ,3 0 32U4080 G ,3 0 32U5080 ) It is recommended to use a filter in front of the valve. 2 ) In water applications, exercise the valves at least once every 24 hours, meaning change the state of the valve. The valve exercise will minimize the risk of the valve sticking due to calcium carbonate, zinc or iron oxide build-up. ON OFF 24h Technical data Main Type EV220BW EV220BW EV220BW EV220BW EV220BW EV220BW Time to open [ms] ) Time to close [ms] ) ) The times are indicative and apply to water. The exact times will depend on the pressure conditions. Closing times can be changed by replacement of the equalizing orifice. Installation Max. working pressure (MWP) Max. test pressure Ambient temperature Viscosity Materials Optional, but vertical solenoid system is recommended 0 bar 25 bar BB DC Up to 50 C BB AC Up to 80 C EEC BE240CS Up to 55 C Max. 50 cst Valve body / cover Stainless Steel W. no / AISI36L Armature Stainless steel W.no..405 / AISI 430 FR Armature tube Stainless steel W.no / AISI 304 L Armature stop Stainless steel W.no..405 / AISI 430 FR Springs Stainless steel W.no..430 / AISI 30 Equalizing orifice Stainless steel W. no / AISI 36L O-rings Valve plate Diaphragm IC.PD.200.I2.02 3
4 Function, NC 7 Pos. no. Description Coil 2 Armature spring 3 Valve plate 4 Pilot orifice 5 Diaphragm 6 Main orifice 7 Equalizing orifice Coil voltage disconnected (closed): When the voltage is disconnected, the valve plate (3) is pressed down against the pilot orifice (4) by the armature spring (2). The pressure across the diaphragm (5) is built up via the equalizing orifice (7). The diaphragm closes the main orifice (6) as soon as the pressure across the diaphragm is equivalent to the inlet pressure. The valve will be closed for as long as the voltage to the coil is disconnected. Coil voltage connected (open): When voltage is applied to the coil (), the pilot orifice (4) is opened. As the pilot orifice is larger than the equalizing orifice (7), the pressure across the diaphragm (5) drops and therefore it is lifted clear of the main orifice (6). The valve is now open for unimpeded flow and will be open for as long as the minimum differential pressure across the valve is maintained, and for as long as there is voltage to the coil. IC.PD.200.I2.02 4
5 EV220BW 5-25 ECO brass valve body NO y In accordance with: - Low Voltage Directive 204/35/EU - EN EN Pressure Equipment Directive 204/68/EU y RoHS Directive 20/65/EU y Wetted materials in accordance with BBR, DVGW, 4MS (4 member states Germany, Holland, France and UK), KTW and W270 y Certified by RISE y Certified by SINTEF y Inspection by DTI 002 CERTIFIERAD 356 DTI ISO228/ connection Seal material Orifice size K v - value Media temperature Differential pressure [mm] [m³/ h] [ C] [Bar] G ½ U50 G ¾ U200 G U250 ) It is recommended to use a filter in front of the valve. 2 ) In water applications, exercise the valves at least once every 24 hours, meaning change the state of the valve. The valve exercise will minimize the risk of the valve sticking due to calcium carbonate, zinc or iron oxide build-up. ON OFF 24h Technical data Main Type EV220BW 5 BE EV220BW 20 BE EV220BW 25 BE Time to open [ms] ) Time to close [ms] ) ) The times are indicative and apply to water. The exact times will depend on the pressure conditions. Closing times can be changed by replacement of the equalizing orifice. Installation Max. working pressure (MWP) Max. test pressure Ambient temperature Viscosity Materials Optional, but vertical solenoid system is recommended 0 bar 25 bar BB DC Up to 50 C BB AC Up to 80 C EEC BE240CS Up to 55 C Max. 50 cst Valve body / cover ECO brass CW724R Armature Stainless steel W.no..405 / AISI 430 FR Armature tube Stainless steel W.no / AISI 304 L Armature stop Stainless steel W.no..405 / AISI 430 FR Springs Stainless steel W.no..430 / AISI 30 Equalizing orifice ECO brass CW724R O-rings Valve plate Diaphragm IC.PD.200.I2.02 5
6 EV220BW 5-50 SS valve body NO y In accordance with: - Low Voltage Directive 204/35/EU - EN EN Pressure Equipment Directive 204/68/EU y RoHS Directive 20/65/EU y Wetted materials in accordance with BBR, DVGW, 4MS (4 member states Germany, Holland, France and UK), KTW and W270 y Certified by RISE y Certified by SINTEF y Inspection by DTI 002 CERTIFIERAD 356 DTI ISO228/ connection Seal material Orifice size K v - value Media temperature Differential pressure [mm] [m³/ h] [ C] [Bar] G ½ ,3 0 32U58 G ¾ ,3 0 32U208 G ,3 0 32U258 G / ,3 0 32U328 G ½ ,3 0 32U408 G ,3 0 32U508 ) It is recommended to use a filter in front of the valve. 2 ) In water applications, exercise the valves at least once every 24 hours, meaning change the state of the valve. The valve exercise will minimize the risk of the valve sticking due to calcium carbonate, zinc or iron oxide build-up. ON OFF 24h Technical data Main Type EV220BW EV220BW EV220BW EV220BW EV220BW EV220BW Time to open [ms] ) Time to close [ms] ) ) The times are indicative and apply to water. The exact times will depend on the pressure conditions. Closing times can be changed by replacement of the equalizing orifice. Installation Max. working pressure (MWP) Max. test pressure Ambient temperature Viscosity Materials Optional, but vertical solenoid system is recommended 0 bar 25 bar BB DC Up to 50 C BB AC Up to 80 C EEC BE240CS Up to 55 C Max. 50 cst Valve body / cover Stainless steel W. no / AISI 36L Armature Stainless steel W.no..405 / AISI 430 FR Armature tube Stainless steel W.no / AISI 304 L Armature stop Stainless steel W.no..405 / AISI 430 FR Springs Stainless steel W.no..430 / AISI 30 Equalizing orifice Stainless steel W. no AISI 36L O-rings Valve plate Diaphragm IC.PD.200.I2.02 6
7 Function, NO 7 Pos. no. Description Coil 2 Armature 3 Valve plate 4 Pilot orifice 5 Diaphragm 6 Main orifice 7 Equalizing orifice Coil voltage disconnected (closed): When the voltage to the coil () is disconnected, the pilot orifice (4) is open. As the pilot orifice is larger than the equalizing orifice (7), the pressure across the diaphragm (5) drops and therefore it is lifted clear of the main orifice (6). The valve will be open for as long as the minimum differential pressure across the valve is maintained, and for as long as the voltage to the coil is disconnected. Coil voltage connected (open): When voltage is applied to the coil, the valve plate (3) is pressed down against the pilot orifice (4). The pressure across the diaphragm (5) is built up via the equalizing orifice (7). The diaphragm closes the main orifice (6) as soon as the pressure across the diaphragm is equivalent to the inlet pressure. The valve will be closed for as long as there is voltage to the coil. IC.PD.200.I2.02 7
8 EV228BW 5-25 ECO brass valve body UN, latching y In accordance with: - Low Voltage Directive 204/35/EU - EN EN Pressure Equipment Directive 204/68/EU y RoHS Directive 20/65/EU y Wetted materials in accordance with BBR, DVGW, 4MS (4 member states Germany, Holland, France and UK), KTW and W270 y Certified by RISE y Certified by SINTEF y Inspection by DTI 002 CERTIFIERAD 356 DTI ISO228/ connection Seal material Orifice size K v - value Media temperature Differential pressure [mm] [m³/ h] [ C] [Bar] G / U2400 G 3/ U2402 G U2404 ) It is recommended to use a filter in front of the valve. 2 ) In water applications, exercise the valves at least once every 24 hours, meaning change the state of the valve. The valve exercise will minimize the risk of the valve sticking due to calcium carbonate, zinc or iron oxide build-up. ON OFF 24h Technical data Main Type EV228BW EV228B 20B EV228B 25B Time to open [ms] ) Time to close [ms] ) ) The times are indicative and apply to water. The exact times will depend on the pressure conditions. Closing times can be changed by replacement of the equalizing orifice. Installation Optional, but vertical solenoid system is recommended Max. working pressure (MWP) 0 bar Ambient temperature Up to 50 C Viscosity Max. 50 cst Valve body / cover ECO brass CW724R Armature Stainless steel W.no..405 / AISI 430 FR Armature tube Stainless steel W.no / AISI 304 L Armature stop Stainless steel W.no..405 / AISI 430 FR Materials Springs Stainless steel W.no..430 / AISI 30 Equalizing orifice ECO brass CW724R O-rings Valve plate Diaphragm Switch power (on/off) 08F7396 (2V DC) IC.PD.200.I2.02 8
9 EV228BW 5-50 SS valve body UN, latching y In accordance with: - Low Voltage Directive 204/35/EU - EN EN Pressure Equipment Directive 204/68/EU y RoHS Directive 20/65/EU y Wetted materials in accordance with BBR, DVGW, 4MS (4 member states Germany, Holland, France and UK), KTW and W270 y Certified by RISE y Certified by SINTEF y Inspection by DTI 002 CERTIFIERAD 356 DTI ISO228/ connection Seal material Orifice size K v - value Media temperature Differential pressure [mm] [m³/ h] [ C] [Bar] G ½ U240 G ¾ U2403 G U2405 G / U2407 G ½ U2409 G U24 ) It is recommended to use a filter in front of the valve. 2 ) In water applications, exercise the valves at least once every 24 hours, meaning change the state of the valve. The valve exercise will minimize the risk of the valve sticking due to calcium carbonate, zinc or iron oxide build-up. ON OFF 24h Technical data Main Type EV220BW EV220BW EV220BW EV220BW EV220BW EV220BW Time to open [ms] ) Time to close [ms] ) ) The times are indicative and apply to water. The exact times will depend on the pressure conditions. Closing times can be changed by replacement of the equalizing orifice. Installation Optional, but vertical solenoid system is recommended Max. working pressure (MWP) 0 bar Max. test pressure 25 bar Ambient temperature BB DC Up to 50 C Viscosity Max. 50 cst Valve body / cover Stainless steel w. no / AISI 36L Armature Stainless steel W.no..405 / AISI 430 FR Armature tube Stainless steel W.no / AISI 304 L Armature stop Stainless steel W.no..405 / AISI 430 FR Materials Springs Stainless steel W.no..430 / AISI 30 Equalizing orifice Stainless steel W. no / AISI 36L O-rings Valve plate Diaphragm IC.PD.200.I2.02 9
10 Function UN, latching 8 + Fig. a 7 When (minus) is supplied to the left terminal pin and + (plus) to the right (see fig. a), the valve plate is pressed down against the pilot orifice (4) by the armature spring (2). The pressure across the diaphragm (5) is built up via the equalizing orifice (7). The diaphragm closes the main orifice (6) as soon as the pressure across the diaphragm is equivalent to the inlet pressure. The valve will stay closed, until the poles are switched (see fig. b). Pos. no. Description Coil 2 Armature spring 3 Valve plate 4 Pilot orifice 5 Diaphragm 6 Main orifice 7 Equalizing orifice 8 Permanent magnet + Fig. b Switching poles When + (plus) is supplied to the left terminal pin and (minus) to the right (see fig. b), the pilot orifice (4) is opened. As the pilot orifice is larger than the equalizing orifice (7), the pressure across the diaphragm (5) drops and therefore it is lifted clear of the main orifice (6). The valve is now open for flow and will stay open as long as the minimum differential pressure across the valve is maintained, until the poles are switched back (see fig. a). IC.PD.200.I2.02 0
11 Dimensions and weight Danfoss 32U783.0 Type L B B [mm] / coil type H H Weight without coil [mm] [mm] BA BB / BE BG / BO BP [mm] [mm] [kg] EV220/228BW EV220/228BW EV220/228BW EV220/228BW EV220/228BW EV220/228BW Mounting angle EV228BW EV228BW EV220BW EV220BW IC.PD.200.I2.02
12 Capacity diagrams: Example, water: Capacity for EV220BW 5B at differential pressure of 3 bar. Approx. 7 m 3 /h EV220/228BW 5 NC/NO/UN EV220/228BW 20 NC/NO/UN EV220/228BW 32 NC/NO/UN EV220/228BW 25 NC/NO/UN EV220/228BW 40 NC/NO/UN EV220/228BW 50 NC/NO/UN IC.PD.200.I2.02 2
13 BB / BY, High performance coils y Enclosure: - IP00 version with DIN A spade connectors - IP20 version with protective cap - IP65 version with mounted cable plug y In accordance with: - RoHS Directive 20/65/EU - Low Voltage Directive 204/35/EU - EN EN Type Supply Tambient voltage Voltage Frequency Power consumption Control variation [ C] [V] [Hz] [W] [VA] BB024AS %, +0% 50 NO, NC 9 08F7358 BB230AS %, +0% 50 NO, NC 9 08F735 BB02DS ±0% DC NC, NO, UN (Latching) 3 08F7396 BB024DS ±0% DC NC, NO, UN (Latching) 6 08F7397 Technical data Design In accordance with VDE 0580 Insulation of coil windings Class H according to IEC 85 Connection Spade connector in accordance with DIN form A Enclosure, IEC 529 IP00 with spade connector, IP20 with protective cap, IP65 with cable plug Duty rating Continuous Plug type Cable plug (042N056) Dimensions and weight L without cable plug L with protective cap L with cable plug Weight [mm] [mm] [mm] [kg] IC.PD.200.I2.02 3
14 Accessories: Cable plug Type, Form A GDM 20 (grey) cable plug according to DIN A PG 042N056 EEC Electronic coil controller EEC electronic coil controller for solenoid valves, type EV220B. The EEC gives the coil a short over-boost, and controls the armature speed: y Low power consumption (holding power: 4 W) y Reduced noise during operation y Increased MOPD compared to standard coils y Increased lifetime of the solenoid valve y Enclosure: - IP67 version y In accordance with: - Low Voltage Directive 204/35/EU - EN Type BE240CS Supply voltage Power consumption Tambient Voltage Frequency Control variation [ C] [V] [Hz] [W] ±0% 60 NC, NO ±0% 50 NC, NO 4 08F6783 IC.PD.200.I2.02 4
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