TYPE 740 VALVE. 4 Way / 2 & 3 Position Solenoid and Air Pilot Operated. Service Information

Transcription

1 TYPE 740 VALVE Service Information 4 Way / 2 & 3 Position Solenoid and Air Pilot Operated TECHNICAL DATA Port Sizes: Integrated Fittings for 3/8", 5/16" and 8mm tubing. Working Pressure: 20 PSI minimum 150 PSI maximum 50 PSI min., for 3-position valves Flow: C v = 1.3 Temperature Range: Solenoid Valve: +5 F to 122 F Air Pilot: +5 F to 140 F Media: Materials: Air (either lubricated or non-lubricated) Valve Body: polyacetal Diaphragms: Buna N Combination Manual Override: Locking & non-locking (single solenoid); non-locking (double solenoid) RECOMMENDED TUBING Standard: 3/8" O.D. x.062" wall - poly tubing 5/16" O.D. x.040" wall - nylon tubing 8mm x 1.00mm wall - poly tubing Adapters available: 1/4" O.D. x.040 wall - poly tubing Tube nuts are supplied with each valve to accommodate 3/8" x.062" wall poly tubing as standard. (To obtain tube nuts for 5/16" x.040" wall tubing, order kit part no. P ) (See page 6 for valves available from factory with 5/16" tube nuts.) RECOMMENDED WIRE SIZE Solenoid Connector - AWG #14 GA maximum. See Catalog SC-300 for connector options. ELECTRICAL DATA: Standard fittings: Single and double solenoid Single and double air pilot Push-in fittings: Single and double solenoid (Metric tubing only) Standard Voltages (all coils are rated for continuous duty) 24, 120, 240 VAC (50/60 Hz) Power Consumption Inrush Holding Holding 6.4 VA 3.7 VA 6, 12, 24 VDC 2.7 W Voltage Tolerance: ±10% (Except for Explosion proof and Intrinsically safe solenoids.) NOTE: Electrical connectors must be ordered separately. One per solenoid required. INSTALLATION Before installing the TYPE 740 Valve, all air lines in the system should be blown clean to remove any moisture or loose material. To further ensure long, trouble-free service, an efficient filter should be installed in the air line on the supply side of the valve. Port number or letter designations are marked on the top and bottom of the valve body. Prior to connecting power supply, be sure that the coils match the power supply. Voltage characteristics for solenoid operators are indicated by the suffix of the part number on the nameplate of the valve. Voltage of a solenoid coil is indicated on the coil. SM

2 OPERATION The air pilot signal is controlled in solenoid operators by energizing the solenoid coil to open and close a 3-way valve in the operator. When electrical power is not present, the valve may be operated by pushing the manual override button located on the side of the operator. Although the solenoid coil may be energized for extended periods of time, it is better practice to design your electrical circuits so the coil is de-energized for the extended period, and energized for the shorter period. CAUTION 3-Position Closed Center Valves. Simultaneous activation of both solenoids will provide full supply pressure to both delivery and exhaust ports. High back-pressure generated in the delivery lines by heavy loads or high speed may cause leakage of the valve. 3-Position Exhaust Open Center Valves. Simultaneous activation of both solenoids will provide full supply pressure to both delivery ports and blocked exhaust ports. ADJUSTMENTS Adjusting screws for the built in flow controls are located by the delivery ports. These screws control individual exhaust restrictors for ports R & S. Control screws are captive and will not back out of the body segment. GENERAL MAINTENANCE & REPAIR RECOMMENDATIONS Maintenance periods should be scheduled in accordance to frequency of use and working environment of the valves. All valves must be visually inspected for wear and given an in system operating performance and leakage test at least once a year. If these visual observations indicate valve repair is required, the valve must be removed, repaired and tested. It is recommended that after every two years of service, the valve is torn down and overhauled regardless of frequency of use. 1 BODY 1 2 RESTRICTOR, EXHAUST 2 3 SCREW, RESTRICTOR ADJUSTOR 2 4 SEAT, VALVE 1 5 RING 2 6 RING 2 7 COVER 1 8 COVER 1 9 PIN 2 (1 if 3 position closed center valve; top pin replaced by spring.) 10 WASHER 2 11 STEM 1 12 INSERT 1 13 SCREW 8 (double solenoid/air pilot; single solenoid/air pilot) 14 NUT, SELF-LOCKING HEX 4 15 PIN 1 16 STEM, BRASS 2 Page 2 WARNINGS - INSTALLATION AND MOUNTING The user of these devices must conform to all applicable electrical, mechanical, piping and other codes in the installation, operation or repair of these devices. INSTALLATION! Do not attempt to install, operate or repair these devices without proper training in the technique of working on pneumatic systems and devices, unless under trained supervision. Compressed air systems contain high levels of stored energy. Do not attempt to connect, disconnect or repair these products when a system is under pressure. Always exhaust the pressure from an air system before performing any service work. Failure to do so can result in serious personal injury. Disconnect the electrical power supply before connecting or servicing a solenoid operated valve. MOUNTING! Devices should be mounted and positioned in such a manner that they cannot be accidently operated. MAINTENANCE TYPE 740 valves may be serviced by shutting off and venting the main air supply, but removal of the valve from its mounting is recommended. Main air supply must be vented before removing the valves from a manifold. If a solenoid operated valve fails to operate, pushing the manual override button on the side of the operator should quickly indicate whether the trouble is electrical or mechanical. If required, the solenoid coil can be easily replaced by removing the retaining nut and slipping off the coil. After disassembly of the valve, clean all metal parts with a nonflammable solvent and wash all rubber and plastic parts with mild soap and water. Rinse thoroughly and blow dry with a low-pressure air jet. When applicable, check the internal pilot ports in the valve body to make sure the passages are open. Replace any rubber parts that are damaged or worn. Repair parts and kits for valve portions and operator portions are available as shown on page 4. TYPE 740TM VALVE PARTS LIST Ref. No. Description Qty. Required Ref. No. Description Qty. Required * REF. NOs. 25, 26, 27, 32 & 33 are used only on solenoid valves. REF. NOs. 28, 29, 30 & 31 are used only on air pilot valves. Operator part quantities listed are for two operators. NOTE: REF. NOs. 9, 10, 11, 12, 18, 20 & 24 are not used on single operator type manual override. 17 WASHER 4 18 O-RING 2 19 O-RING 1 20 O-RING 1 21 DIAPHRAGM 1 22 DIAPHRAGM 1 23 PLUG 1 24 PACKING 3 25 ARMATURE 2* 26 PLATE, RETAINER 2* 27 SCREW 4* 28 ADAPTER, AIR PILOT 2 29 O-RING 2 30 SCREW 4 31 KIT, TUBE NUT 1 32 SOLENOID RETAINER CAP 2* 33 COIL 2* 34 O-RING 2* 35 WASHER, MANUAL OVERRIDE 1 -used only on single solenoid override

3 Type 740 Valve Exploded View Double Operator, Two Position Valve Shown with Air Pilot Operator on Left End and Solenoid Operator on Right End Page 3

4 BODY REPAIR KITS Type 740 Valve Repair Kits & Parts MISCELLANEOUS ACCESSORIES, KITS & PARTS PREVIOUS PN PREVIOUS PN R H Single Air Pilot H Solenoid Retainer Cap [Ref. 32] R H Double Air Pilot R P Solenoid Plunger Kit [Ref. 25] (includes armature, plunger, and * R P spring) * R P , 2 & 3 Position NOTES: Parts below are for single solenoid models only and are not shown except for the washer. * Includes Ref. Nos. 14, 19, 21, 22, 23 & grease tube. - H WASHER, Manual Override [Ref. 35] Includes Ref. Nos. 14, 19, 21, 22, 23 & H SPRING, Manual Override Includes Ref. Nos. 14, 18, 19, 20, 21, 22, 23, 24 & H BUTTON, Manual Override AIR PILOT OPERATOR KIT H O-RING, Manual Override PREVIOUS PN EXHAUST CONTROL KIT R P Air Pilot Operator Kit PREVIOUS PN (includes all operator parts) * R P K0000 Exhaust Control Kit - * R P K0000 Exhaust Control Kit - Includes Ref. Nos. 28, 29, 30 & 31. * R P Exhaust Control Kit - Single Air Pilot COMPLETE SOLENOIDS * R P Exhaust Control Kit - Double Air Pilot * R P Exhaust Control Kit -, 3-pos. PREVIOUS PN * Includes: Mid-body portion [Ref. 1], adj. screws [Ref. 3], and R P V/50-60Hz exhaust restrictor [Ref. 2]. R P V/50-60Hz R P VDC MANIFOLD REPAIR R P VDC PREVIOUS PN R P V/50-60Hz R P Valve Latch and Spring Solenoids include: coil, armature (with plunger and spring), armature retainer plate, screws and exhaust strainer nut and o-ring [Ref. Nos. 25, 26, 27, 32, 33 & 34]. SOLENOID COILS R P Valve Manifold O-Ring Kit (to attach valve to manifold) H Manifold segment, O-ring (requires 3) SOLENOID COILS WITH INSERTS FOR CSA AND U.L. LISTED VALVES ONLY PREVIOUS PN PREVIOUS PN R P V/50-60Hz R P V/50-60Hz R P V/50-60Hz R P V/50-60Hz R P VDC R P VDC R P VDC R P VDC R P V/50-60Hz R P V/50-60Hz SOLENOID COILS FOR CORROSION RESISTANT VALVES PREVIOUS PN H V/50-60Hz H V/50-60Hz H VDC H VDC H V/50-60Hz Solenoids include: coil, armature, armature retainer plate, screws and exhaust strainer nut [Ref. Nos. 25, 26, 27 & 33]. Page 4

5 Type 740 Valve Identity Schedule All solenoid valves on this page are supplied without connector(s). All valves on this page come with 3/8 tube nuts designed to accommodate 3/8 x.062 wall poly tubing. SINGLE SOLENOID WITH AIR SPRING RETURN PW VAC-50/60Hz R R R PW PW PW VAC-50/60Hz 6 VDC 12 VDC PW VDC R PW VAC-50/60Hz R Without coil SINGLE AIR PILOT VALVE R P DOUBLE AIR PILOT VALVE R P FOR DOUBLE AIR PILOT: Manual override standard. This unique, external nonlocking manual override button for the double air pilot may be pushed from one side to the other to select which delivery port is pressurized. DOUBLE AIR BLEEDER VALVE R (Previous P ) OPERATION: Exhausting either air pilot port while the opposite port is still pressurized will shift the valve. Valve features stainless steel fasteners for corrosion resistance. R (Previous P ) 4 Way 2 Position Intrinsically Safe Solenoid Valves for Hazardous Locations Classes I, II and III Div I Groups A, B, C, D, E, F and G For use in low voltage (24VDC) intrinsically safe applications. No other voltage is approved. Comes with standard non-lighted DIN solenoid connector. *Must be connected to an FM Approved Zener Diode Barrier. *FM Approved Barrier Manufacturers: Stahl Incorporated Woburn, MA (Request Application Memo #35 and ADV-300.ISSV for Intrinsically Safe Valve information and Stahl Barrier part numbers.) DOUBLE SOLENOID OPERATED, 2 & 3 POSITION The external non-locking manual override button may be pushed from one side to the other to select which delivery port is pressurized initially. 2 POSITION R PW VAC-50/60Hz R PW VAC-50/60Hz R PW VDC R PW VDC R PW VDC R PW VAC-50/60Hz R Without coil 3 POSITION - See Caution Note-Page 1. CLOSED CENTER * R PW VAC-50/60Hz R PW VAC-50/60Hz R PW VDC R PW VDC R PW VDC R PW VAC-50/60Hz R Without coil *The manual external non-locking override is available for one solenoid only. 3 POSITION - See Caution Note-Page 1. EXHAUST OPEN CENTER** R PW VAC-50/60Hz R PW VAC-50/60Hz - PW VDC R PW VDC R PW VDC R PW VAC-50/60Hz R Without coil **Manual override not available on 3-position exhaust open center. Page 5

6 Type 740 Valve Identity Schedule (Cont d.) 4 Way / 2 Position Solenoid Operated Standard Type 740 valve with Tube Nuts for 5/16" (.040 wall) Nylon Tubing or 8mm (1mm wall) poly tubing. Push-in fittings are for 10mm (1mm wall) poly tubing. NOTE: Electrical connectors must be ordered separately. One per solenoid required. See complete listing on SC300 page 109. R R R R R R R R R POSITION Standard fittings PW PW PW PW PW PW PW PW PW PW PW PW VAC-50/60Hz 240 VAC-50/60Hz 6 VDC 12 VDC 24 VDC 24 VAC-50/60Hz 120 VAC-50/60Hz 240 VAC-50/60Hz 6 VDC 12 VDC 24 VDC 24 VAC-50/60Hz 2 POSITION Push-in fittings (metric tubing only) VAC 50/60 Hz VDC Base valve - No solenoid* VAC 50/60 Hz VDC *Base valves are supplied without coil(s) or Base valve - No solenoid* connector(s) which must be ordered separately (see SC-300 page 51). Type 740 Valve with 10mm Supply and Delivery Ports for Higher Flow Applications 2 Position Note: Use with 10mm O.D. x 1mm wall poly tubing R R P P mm Valves are supplied without coil(s) or connector(s) which must be ordered separately (see SC-300 page 51). Page 6

7 Type 740 Valve Identity Schedule (Cont d.) 4 Way / 2 & 3 Position, Solenoid Operated DUAL U.L. LISTED/CSA APPROVED MODELS* 1/2" conduit solenoid connector prewired with 18" leads. 2 POSITION Standard fittings 2 POSITION Standard fittings P VAC-50/60Hz P VAC-50/60Hz P VAC-50/60Hz P VAC-50/60Hz P VDC P VDC P VDC P VDC P VDC P VDC P VAC-50/60Hz P VAC-50/60Hz 3 POSITION, CLOSED CENTER 3 POSITION, EXHAUST OPEN CENTER P VAC-50/60Hz P VAC-50/60Hz P VAC-50/60Hz P VAC-50/60Hz P VDC P VDC P VDC P VDC P VDC P VDC P VAC-50/60Hz P VAC-50/60Hz *Indicator lights not available for Dual U.L. listed/csa Valves. CSA APPROVED MODELS* 1/2" conduit solenoid connector prewired without leads. 2 POSITION Standard fittings 2 POSITION Standard fittings P VAC-50/60Hz P VAC-50/60Hz P VAC-50/60Hz P VAC-50/60Hz P VDC P VDC P VDC P VDC P VDC P VDC P VAC-50/60Hz P VAC-50/60Hz 3 POSITION, CLOSED CENTER 3 POSITION, EXHAUST OPEN CENTER P VAC-50/60Hz P VAC-50/60Hz P VAC-50/60Hz P VAC-50/60Hz P VDC P VDC P VDC P VDC P VDC P VDC P VAC-50/60Hz P VAC-50/60Hz *Indicator lights not available for CSA Approved Valves. Page 7

8 Type 740 Valve Identity Schedule (Cont d.) 4 Way / 2 & 3 Position Solenoid Operated CORROSION RESISTANT TYPE 740 VALVES All fasteners and exposed metallic parts are 300 series stainless steel. These valves are recommended for most daily washdown applications such as food processing, breweries and dairy plants, or anywhere else that corrosion can be a problem. All valves on this page come complete with solenoid connector(s). 2 POSITION VALVES without Indicator Lights 3 POSITION VALVES without Indicator Lights, Closed Center R P VAC-50/60Hz R P VAC-50/60Hz R P VAC-50/60Hz - P VAC-50/60Hz - P VDC - P VDC R P VDC - P VDC R P VDC R P VDC R P VAC-50/60Hz - P VAC-50/60Hz 3 POSITION VALVES without Indicator Lights 2 POSITION VALVES without Indicator Lights, Exhaust Open Center R P VAC-50/60Hz R P VAC-50/60Hz R P VAC-50/60Hz - P VAC-50/60Hz - P VDC - P VDC - P VDC - P VDC R P VDC R P VDC - P VAC-50/60Hz - P VAC-50/60Hz 2 POSITION VALVES with Indicator Lights 3 POSITION VALVES with Indicator Lights, Closed Center R P VAC-50/60Hz - P VAC-50/60Hz - P VAC-50/60Hz - P VAC-50/60Hz - P VDC - P VDC R P VDC - P VDC R P VDC - P VDC R P VAC-50/60Hz - P VAC-50/60Hz 2 POSITION VALVES with Indicator Lights 3 POSITION VALVES with Indicator Lights, Exhaust Open Center R P VAC-50/60Hz - P VAC-50/60Hz R P VAC-50/60Hz - P VAC-50/60Hz - P VDC - P VDC - P VDC - P VDC R P VDC - P VDC - P VAC-50/60Hz - P VAC-50/60Hz Page 8

9 NOTICE TO PRODUCT USERS 1. WARNING: FLUID MEDIA AVENTICS pneumatic devices are designed and tested for use with filtered, clean, dry, chemical free air at pressures and temperatures within the specified limits of the device. For use with media other than air or for human life support systems, AVENTICS must be consulted. Hydraulic cylinders are designed for operation with filtered, clean, petroleum based hydraulic fluid; operation using fire-resistant or other special types of fluids may require special packing and seals. Consult the factory. 2. WARNING: MATERIAL COMPATIBILITY Damage to product seals or other parts caused by the use of noncompatible lubricants, oil additives or synthetic lubricants in the air system compressor or line lubrication devices voids AVENTICS warranty and can result in product failure or other malfunction. See lubrication recommendations below. AIR LINE LUBRICANTS! In service higher than 18 cycles per minute or with continuous flow of air through the device, an air line lubricator is recommended.* (Do not use line lubrication with vacuum products.) However, the lubricator must be maintained since the oil will wash out the grease, and lack of lubrication will greatly shorten the life expectancy. The oils used in the lubricator must be compatible with the elastomers in the device. The elastomers are normally BUNA-N, NEOPRENE, VITON, SILICONE and HYTREL. AVENTICS recommends the use of only petroleum based oils without synthetic additives, and with an aniline point between 180 F and 210 F. COMPRESSOR LUBRICANTS! All compressors (with the exception of special "oil free" units) pass oil mist or vapor from the internal crankcase lubricating system through to the compressed air. Since even small amounts of non-compatible lubricants can cause severe seal deterioration (which could result in component and system failure) special care should be taken in selecting compatible compressor lubricants. 3. WARNING: INSTALLATION AND MOUNTING The user of these devices must conform to all applicable electrical, mechanical, piping and other codes in the installation, operation or repair of these devices. disconnect or repair these products when a system is under pressure. Always exhaust or drain the pressure from a system before performing any service work. Failure to do so can result in serious personal injury. MOUNTING! Devices should be mounted and positioned in such a manner that they cannot be accidentally operated. 4. WARNING: APPLICATION AND USE OF PRODUCTS The possibility does exist for any device or accessory to fail to operate properly through misuse, wear or malfunction. The user must consider these possibilities and should provide appropriate safe guards in the application or system design to prevent personal injury or property damage in the event of a malfunction. 5. WARNING: CONVERSION, MAINTENANCE AND REPAIR When a device is disassembled for conversion to a different configuration, maintenance or repair, the device must be tested for leakage and proper operation after being reassembled and prior to installation. MAINTENANCE AND REPAIR! Maintenance periods should be scheduled in accordance with frequency of use and working conditions. All AVENTICS products should provide a minimum of 1,000,000 cycles of maintenance free service when used and lubricated as recommended. However, these products should be visually inspected for defects and given an "in system" operating performance and leakage test once a year. Where devices require a major repair as a result of the one million cycles, one year, or routine inspection, the device must be disassembled, cleaned, inspected, parts replaced as required, rebuilt and tested for leakage and proper operation prior to installation. See individual catalogs for specific cycle life estimates. 6. PRODUCT CHANGES Product changes including specifications, features, designs and availability are subject to change at any time without notice. For critical dimensions or specifications, contact factory. *Many AVENTICS pneumatic valves and cylinders can operate with or without air line lubrication; see individual sales catalogs for details. INSTALLATION! Do not attempt to install, operate or repair these devices without proper training in the technique of working on pneumatic or hydraulic systems and devices, unless under trained supervision. Compressed air and hydraulic systems contain high levels of stored energy. Do not attempt to connect, LIMITATIONS OF WARRANTIES & REMEDIES AVENTICS warrants its products sold by it to be free from defects in material and workmanship to the following: For twelve months after shipment AVENTICS will repair or replace (F.O.B. our works), at its option, any equipment which under normal conditions of use and service proves to be defective in material or workmanship at no charge to the purchaser. No charge will be made for labor with respect to defects covered by this Warranty, provided that the work is done by AVENTICS or any of its authorized service facilities. However, this Warranty does not cover expenses incurred in the removal and reinstallation of any product, nor any downtime incurred, whether or not proved defective. All repairs and replacement parts provided under this Warranty policy will assume the identity, for warranty purposes, of the part replaced, and the warranty on such replacement parts will expire when the warranty on the original part would have expired. Claims must be submitted within thirty days of the failure or be subject to rejection. This Warranty is not transferable beyond the first using purchaser. Specifically, excluded from this Warranty are failures caused by misuse, neglect, abuse, improper operation or filtration, extreme temperatures, or unauthorized service or parts. This Warranty also excludes the use of lubricants, fluids or air line additives that are not compatible with seals or diaphragms used in the products. This Warranty sets out the purchaser's exclusive remedies with respect to products covered by it, whether for negligence or otherwise. Neither, AVENTICS nor any of its affiliates will be liable for consequential or incidental damages or other losses or expenses incurred by reason of the use or sale of such products. Our liability (except as to title) arising out of the sale, use or operation of any product or parts, whether on warranty, contract or negligence (including claims for consequential or incidental damage) shall not in any event exceed the cost of replacing the defective products and, upon expiration of the warranted period as herein provided, all such liability is terminated. THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, WHETHER FOR MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR OTHERWISE. No attempt to alter, amend or extend this Warranty shall be effective unless authorized in writing by an officer of AVENTICS Corporation. AVENTICS reserves the right to discontinue manufacture of any product, or change product materials, design or specifications without notice. Page 9

10 Al'BffltS CeqioRli T95J-ltten:er Raad Le i11gtn11, l"iy: 405TT cs.cam/ us m AVENTICS AfflDICS mkl(mldedi J4 2-& Itta i 11way. [Jri v.e BurU11gtan, 011taria CANAD"A-L71tt TM i11fa.ca@a11e11tics.cam Slv1-1GQ.2Q/May 2QT4 Sub.je.ctto change.. Pnnte.d in United State.S:. AVENTICS Corporation. ThiS: document. as: we.ll as the. data. S:pe.cificatianS:. and othe.rinfunmatian se.tfurth in it are. the. ED\Clusive. property at AVEl"-JTICS. It may natb.e. re.p.raduce.d or given ta third partie.s: without its consent