% # ) Air and Inert Gas Intrinsically Safe Valves 2/2 3/2 4/2 5/2 5/3 SERIES. Brass, Aluminum, or Stainless Steel Bodies 1/4" to 1" NPT
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- Eileen Mills
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1 4 Air and Inert Gas Intrinsically Safe Valves Brass, Aluminum, or Stainless Steel Bodies /4" to " NPT / 3/ 4/ 5/ 5/3 Features Intrinsically safe solenoid enclosures to provide corrosion resistance in harsh environments Designed solely for installation in intrinsically safe areas, with properly approved and sized current and voltagelimiting safety barriers Acceptable for use in hazardous locations, as classified by the National Electrical Code: Classes I, II, and III, Division, including Groups A through G Electronically enhanced solenoids have efficient cartridge operators and nonpolarized coils Triple redundant diodes prevent electrical pulse from flowing back into the hazardous area Mountable in any position Solenoid Operators WB: Watertight, Type 3, 3S, 4, 4X, IP-67. Liquid Crystal Polymer (LCP) overmolded with /" NPT conduit connection and screw terminals for simple wiring. The terminal block will accommodate 8 gage (AWG) wire, and grounding screw is located inside the enclosure. SC: DIN 4365/O 44, IP-65 Epoxy overmolded with Din Connector supplied, suitable to accept wiring cable diameters of.3 to.4 inches. Solenoid Construction Gasket Cover Cover Screw Cover Screw Gasket Sleeve Nameplate Burp Cap Assembly Valve Construction Electrical NBR 8-8 Stainless Steel NBR 43F Stainless Steel Stainless Steel PA/CR Valve Parts in Contact with Fluids Body Aluminum Brass Stainless Steel Seals and Discs Sleeve Core and Plugnut Core Springs Pilot Seat Cartridge (Series 836 & 8344 only) Rider Rings Spring Retainer PUR, NBR, FKM, CR, as listed 34L Stainless Steel 43F Stainless Steel 3 Stainless Steel Nominal Wattage 4 VDC Maximum Allowable "Off" State Current to the Valves must be less than ma. Electronically Enhanced "" Solenoid: Maximum Capacitor Charge Time second Minimum Time between Cycles second Minimum Drop Current to Reset Electronic Coil ma Nominal Temperature Rise at 4 VDC and 3 Ohms C (36 F) Maximum Recommended Wire Run (#8 Wire).5 miles from barrier to valve Important: Minimum series resistance of ohms required in wiring circuit if a safety barrier is not used for non-"" system. CA PTFE CA % # ) Ordering Information The LCP Intrinsically Safe solenoid enclosure is designatedby the prefix WB. The Epoxy Din Connector is ordered by prefix SC. Example: WB834A3 Spare Coil P/Ns SC834A3 WB: * SC: * Nominal Ambient Temp. Ranges Series Body Material Temperature Range 855/8553 Aluminum 5 F to 4 F (-5 C to 6 C) /8553 Brass & Stainless Steel Stainless Steel -4 F to 4 F (-4 C to 6 C) 836 Suffix V 3 F to 4 F ( C to 6 C) Misc. All Other -4 F to 4 F (- C to 6 C) Approvals FM approved under J.I.3W8A8. AX (36). CSA certified under File LR ATEX Ex IIG Ex ia IIC T6 approved IEC Ga Ex ia IIC T6 approved Meets applicable CE directives. Refer to Engineering Section for details. Important These solenoids are intended for use on clean, dry air or inert gas filtered to 5 micrometers or better. To prevent freezing, the dew point of the media should be at least 8 F (-8 C) below the minimum temperature to which any portion of the clean air or gas system could be exposed. Instrument air in compliance with ANSI/A Standard S (R98) exceeds the above requirements and is, therefore, an acceptable medium for these valves. Maximum Entity Parameters Entity Groups A-D Groups C-D Parameters V max - 3 VDC V max - 34 VDC I max - ma I max - 5 ma Capacitance = Capacitance = Inductance = Inductance = Standard Voltage: 4 VDC only (±%) Minimum Operating Current:.8 amps 37
2 / 3/ 4/ 5/ 5/3 4 Specifications (English units) / VALVES, NORMALLY CLOSED, with NBR Disc Differential (psi) Pipe Orifice Brass Body Stainless Steel Body Cv Flow Factor Min. Fluid and Ambient Temp. F Catalog Number Catalog Number /4 / WB86A3 WB86A386 A 3/8 5/ WB83A / 3/ WB83A33 3 WB83A3 3 3/ VALVES Cv Flow Factor Pressure to Cylinder to Cylinder Differential (psi) Pipe Orifice Brass Body Stainless Steel Body Exhaust Min. Fluid and Ambient Temp. F Catalog Number Catalog Number UNIVERSAL OPERATION (Pressure at any port) with NBR Disc /4 / WB834A3 4 WB834A3 4A NORMALLY CLOSED (Closed when de-energized) /4 5/6.5.5 ➅ 5 4 WB836A3 ➂ 5 WB836A38V ➄ 8 3/8 5/6.8.8 ➅ 5 4 WB836A3 ➂ 5 WB836A38V ➄ 8 3/8 5/8 4 4 ➅ 5 4 WB836A33 ➂ / 5/8 4 4 ➅ 5 4 WB836A34 ➂ 6 WB836A384V ➄ 9 3/4 / WB836A374 ➂ WB836A334 ➂ 7A - - UNIVERSAL OPERATION (Normally Closed or Normally Open) Quick Exhaust with CR Diaphragm and NBR Disc /4 ➁ WB837A37 ➀ WB837A38 ➀ 4/ VALVES, with NBR Disc and Seal /4 / WB8345A3 ➀➂ WB8345A38 ➀➂ 4/ VALVES, Brass Body with NBR Disc Single Solenoid Dual Solenoid /4 / WB8344A37 ➀➂ 3 WB8344A344 ➂ 6 3/8 3/ WB8344A37 ➀➂ 4 WB8344A38 ➂ 7 / 3/ WB8344A374 ➀➂ 4 WB8344A38 ➂ 7 3/4 3/ WB8344A376 ➀➂ 5 WB8344A354 ➂ 8 3/ WB8344A378 ➀➂ 5 WB8344A356 ➂ 8 ➀ There are two exhaust flows in the exhaust mode (pilot and main). The pilot exhaust must be connected to the main exhaust when the air or inert gas can not be exhausted to the atmosphere. ➁ For Quick Exhaust valves, pressure port is /6", exhaust port is /4". ➂ IMPORTANT: A minimum operating pressure differential must be maintained between the pressure and exhaust ports. Supply and exhaust piping must be full area, unrestricted. ASCO flow controls and other similar components must be installed in the cylinder lines only. ➄ Diaphragm and main disc FKM only (pilot is low-temperature NBR). ➅ Zero minimum when valve selection gasket is in external position and proper auxiliary air pressure is applied. See chart on page 46 for auxiliary pressure vs. mainline pressure. Minimum 5 psi Differential when selection gasket is in the internal position. 38
3 4 / 3/ 4/ 5/ 5/3 Specifications (English units) Body Material Pipe Orifice 3/, 5/, 5/3 VALVES, with NBR and PUR Seals Aluminum 3/ Cv Flow Factor Single Solenoid Differential (psi) Differential (psi) Fluid Catalog Min. Temp. F Number Min. WB855A35 9 Dual Solenoid Fluid Temp. F Catalog Number Aluminum 5/3 Center Open - - WB855A368 /4 /4.86 Brass 3/ WB855A37 9 WB855A38 9 Brass 5/ WB855A39 WB855A L Stainless Steel 3/ WB855A33 ➁ 9 WB855A34 ➁ 9 WB855A36 9 Aluminum 5/ WB855A37 WB855A38 Aluminum 5/3 Center Closed - - WB855A367 36L Stainless Steel 5/ WB855A3 ➁ WB855A3 ➁ Aluminum 3/ WB8553A35 9 WB8553A36 9 Aluminum 5/ WB8553A37 WB8553A38 / / L Stainless Steel 3/ WB8553A33 ➁ 9 WB8553A34 ➁ 9 36L Stainless Steel 5/ WB8553A3 ➁ WB8553A3 ➁ Single Solenoid Dual Solenoid Differential (psi) Differential (psi) Pipe Orifice Cv Body Flow Fluid Catalog Fluid Material Factor Min. Temp. F Number Min. Temp. F 3/, 5/, 5/3 VALVES, with NBR and PUR Seals, NAMUR Mount Aluminum 3/, 5/ WB855A3 Catalog Number Aluminum 5/3 Center Open /4 / WB855A366 Brass 3/, 5/ WB855A WB855A34 WB855A3 Aluminum 5/3 Center Closed - - WB855A365 36L Stainless Steel 3/, 5/ WB855A39 ➁ WB855A3 ➁ Aluminum 3/, 5/ WB8553A3 WB8553A3 / / L Stainless Steel 3/, 5/ WB8553A39 ➁ WB8553A3 ➁ /8" NPT exhaust for /4" aluminum and brass. ➁ Can be used for dry natural gas service. 39
4 / 3/ 4/ 5/ 5/3 4 Specifications (Metric units) / VALVES, NORMALLY CLOSED, with NBR Disc Differential (bar) Pipe Orifice Brass Body Stainless Steel Body (mm) Kv Flow Factor (m3/h) Min. Fluid and Ambient Temp. C Catalog Number Catalog Number / WB86A3 WB86A386 A 3/ WB83A / WB83A33 3 WB83A3 3 3/ VALVES Kv Flow Factor (m3/h) Pressure to Cylinder to Cylinder Differential (bar) Pipe Orifice Brass Body Stainless Steel Body (mm) Exhaust Min. Fluid and Ambient Temp. C Catalog Number Catalog Number UNIVERSAL OPERATION (Pressure at any port) with NBR Disc / WB834A3 4 WB834A3 4A NORMALLY CLOSED (Closed when de-energized) / ➅.3 6 WB836A3 ➂ 5 WB836A38V ➄ 8 3/ ➅.3 6 WB836A3 ➂ 5 WB836A38V ➄ 8 3/ ➅.3 6 WB836A33 ➂ / ➅.3 6 WB836A34 ➂ 6 WB836A384V ➄ 9 3/ WB836A374 ➂ WB836A334 ➂ 7A - - UNIVERSAL OPERATION (Normally Closed or Normally Open) Quick Exhaust with CR Diaphragm and NBR Disc /4 ➁ WB837A37 ➀ WB837A38 ➀ 4/ VALVES, with NBR Disc and Seal / WB8345A3 ➀➂ WB8345A38 ➀➂ 4/ VALVES, Brass Body with NBR Disc Single Solenoid Dual Solenoid / WB8344A37 ➀➂ 3 WB8344A344 ➂ 6 3/ WB8344A37 ➀➂ 4 WB8344A38 ➂ 7 / WB8344A374 ➀➂ 4 WB8344A38 ➂ 7 3/ WB8344A376 ➀➂ 5 WB8344A354 ➂ WB8344A378 ➀➂ 5 WB8344A356 ➂ 8 ➀ There are two exhaust flows in the exhaust mode (pilot and main). The pilot exhaust must be connected to the main exhaust when the air or inert gas can not be exhausted to the atmosphere. ➁ For Quick Exhaust valves, pressure port is /6", exhaust port is /4". ➂ IMPORTANT: A minimum operating pressure differential must be maintained between the pressure and exhaust ports. Supply and exhaust piping must be full area, unrestricted. ASCO flow controls and other similar components must be installed in the cylinder lines only. ➄ Diaphragm and main disc FKM only (pilot is low-temperature NBR). ➅ Zero minimum when valve selection gasket is in external position and proper auxiliary air pressure is applied. See chart on page 46 for auxiliary pressure vs. mainline pressure. Minimum bar Differential when selection gasket is in the internal position. 4
5 4 / 3/ 4/ 5/ 5/3 Specifications (Metric units) Body Material Pipe Orifice (mm) 3/, 5/, 5/3 VALVES, with NBR and PUR Seals Aluminum 3/ Kv Flow Factor Single Solenoid Differential (bar) Differential (bar) Fluid Catalog Min. Temp. C Number Min. WB855A35 9 Dual Solenoid Fluid Temp. C Catalog Number Aluminum 5/3 Center Open - - WB855A368 /4 6.7 Brass 3/ WB855A37 9 WB855A38 9 Brass 5/ WB855A39 WB855A L Stainless Steel 3/ WB855A33 ➁ 9 WB855A34 ➁ 9 WB855A36 9 Aluminum 5/ WB855A37 WB855A38 Aluminum 5/3 Center Closed - - WB855A367 36L Stainless Steel 5/ WB855A3 ➁ WB855A3 ➁ Aluminum 3/ WB8553A35 9 WB8553A36 9 Aluminum 5/ WB8553A37 WB8553A38 / L Stainless Steel 3/ WB8553A33 ➁ 9 WB8553A34 ➁ 9 36L Stainless Steel 5/ WB8553A3 ➁ WB8553A3 ➁ Single Solenoid Dual Solenoid Differential (bar) Differential (bar) Pipe Orifice Kv Body Flow Fluid Catalog Fluid Material (mm) Factor Min. Temp. C Number Min. Temp. C 3/, 5/, 5/3 VALVES, with NBR and PUR Seals, NAMUR Mount Aluminum 3/, 5/ WB855A3 Catalog Number Aluminum 5/3 Center Open / WB855A366 Brass 3/, 5/ 6 WB855A33 6 WB855A34 WB855A3 Aluminum 5/3 Center Closed - - WB855A365 36L Stainless Steel 3/, 5/ WB855A39 ➁ WB855A3 ➁ Aluminum 3/, 5/ WB8553A3 WB8553A3 / L Stainless Steel 3/, 5/ WB8553A39 ➁ WB8553A3 ➁ /8" NPT exhaust for /4" aluminum and brass. ➁ Can be used for dry natural gas service. 4
6 / 3/ 4/ 5/ 5/3 4, A 4
7 4 / 3/ 4/ 5/ 5/3 3 4, 4A 43
8 / 3/ 4/ 5/ 5/
9 4 / 3/ 4/ 5/ 5/3 7, 7A Catalog No. A B C H K L M N P R W X WB836A374 ins mm WB836A334 ins mm
10 / 3/ 4/ 5/ 5/3 4 Refer to note ➅. For all 836 Minimum Series only. 9 MAINLINE PRESSURE vs. LINE PRESSURE WHEN SELECTION GASKET IN EXTERNAL POSITION LINE PRESSURE (psi) MAINLINE PRESSURE (psi) 46
11 4 / 3/ 4/ 5/ 5/3 47
12 / 3/ 4/ 5/ 5/ All Catalog No. ØC E F G H J K L M N P W X Y Z WB8344A37 ins mm WB8344A38, 38 ins mm WB8344A37, 374 ins mm WB8344A344 ins mm WB8344A376, 378 ins mm WB8344A354, 356 ins mm IMPORTANT: Valves can be mounted in any position. Exhaust Pipe 3/8" /" /" 3/8" " " 48
13 4 / 3/ 4/ 5/ 5/3 Series NPT /4 / L 5. (3) 6. (53) L 6.73 (7) 7.8 (98) H 4.38 () 4.77 () H. (8).58 (4) W.77 (45).85 (7) Manual override option MH adds.5" (6.4), MS option adds.468" (.9) to each solenoid endcap. H (5) 3.6 (8) / NPT 3.96 (48) 3.4 (77) Add Suffix MO MI MH MS Optional Manual Operators Description Push and turn to lock with flat Momentary push in with flat Momentary push in by hand Push and turn to lock by hand W H /8 NPT AUX. PRESSURE PORT L L Series NPT /4 / L 5.63 (44) 7.6 (8) L 7. (83) 8.86 (5) H 4.38 () 4.77 () H. (8).58 (4) W.77 (45).85 (7) Manual override option MH adds.5" (6.4), MS option adds.468" (.9) to each solenoid endcap. H 4.5 (5) 3.6 (8) / NPT (48) 3.4 (77) Add Suffix MO MI Optional Manual Operators Description Push and turn to lock with flat Momentary push in with flat W H /8 NPT AUX. PRESSURE PORT L L MH Momentary push in by hand MS Push and turn to lock by hand 49
14 / 3/ 4/ 5/ 5/3 4 Series 855 (Aluminum, Brass) NPT /4 L 4.96 (6) L 6.49 (65) H 4.38 () H.57 (4) W.77 (45) 4.5 (5) 3.6 (8) / NPT.96 (48) 3.4 (77) Manual override option MH adds.5" (6.4), MS option adds.468" (.9) to each solenoid endcap. H Add Suffix Optional Manual Operators Description H 3 MO Push and turn to lock with flat W /8 NPT AUX. PRESSURE PORT L MI MH MS Momentary push in with flat Momentary push in by hand Push and turn to lock by hand 855 NAMUR Footprint 4.95 (4).6 (3) L Series 855 (36L SS) 855 (5/3) 8553 NPT /4 /4 / L 5. (3) (8) L 6.73 (7) 7.44 (89) 8.85 (5) H 4.38 () 4.38 () 4.77 () H.57 (4).57 (4).8 (53) W.77 (45).77 (45).87 (73) H 4.5 (5) 3.6 (8) / NPT.96 (48) 3.4 (77) Manual override option MH adds.5" (6.4), MS option adds.468" (.9) to each solenoid endcap. 5 3 Add Suffix MO MI Optional Manual Operators Description Push and turn to lock with flat Momentary push in with flat H W /8 NPT AUX. PRESSURE PORT L L 8553 NAMUR Footprint 855 NAMUR Footprint MH MS Momentary push in by hand Push and turn to lock by hand 4.77 (45) 4.95 (4).6 (3).57 (4) 5
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