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Bulletin 22-05 A / Page 9

Item No.

Kit Description

Port Size

20 mm

(3/4”)

25 mm

(1”)

32 mm

(1-1/4””)

40 mm

(1-1/2”)

50 mm

(2”)

1, 2

Seal Cap

208757

208757

208757

208757

208757

2, 3 , 5 - 13

Bonnet

208759

208759

208759

208759

208759

2, 5 - 13

Spring, Bonnet  (Range V)

208760

208760

208760

208760

208760

2, 5 - 13

Spring, Bonnet  (Range D)

208818

208818

208818

208818

208818

14 - 16

Diaphragm 

208802

208802

208802

208802

208802

18 - 21

Pilot Plug (A4WO, A4WOK Only)

208765

208765

208765

208765

208765

17, 18A - 21

Pilot Plug (A4WOB, A4WOS, 
                 A4WOBS Only)

208766

208766

208766

208766

208766

22 - 24

Seal Cap

208758

208758

208758

208758

208758

26 -27

Gage Plug (A4WO Only)

208808

208808

208808

208808

208808

28 - 31

Manual Opening Stem

208809

208809

208809

208809

208809

18 - 21, 26 - 34

Port Plate (A4WO, A4WOK Only)

208761

208761

208761

208761

208761

17, 18A - 23, 26, 

28 - 35, 46 - 49

Port Plate (A4WOB, A4WOBK Only)

208762

208762

208762

208762

208762

17, 18A - 24, 26, 

28 - 35, 46 - 49

Port Plate (A4WOS Only)

208763

208763

208763

208763

208763

17, 18A - 21, 26,
 28 - 32, 33 - 35, 

46 - 49

Port Plate (A4WOBS Only)

208764

208764

208764

208764

208764

18 - 21, 27 - 34

Port Plate (A4WOE Only)

208943

208943

208943

208943

208943

17, 18A - 24, 

28 - 35, 46 - 49

Port Plate (A4WOES Only)

208944

208944

208944

208944

208944

35 - 42

Piston

208778

208779

208780

208781

208782

35 - 39

Spring, Piston

208795

208796

208797

208798

208799

35 - 39, 41 - 42

Wear Seal, Piston

208819

208819

208820

208821

208821

2, 5 - 6, 13, 15 - 16, 20

35 - 38, 41-42

Gasket / O-Ring (A4WO, A4WOK Only)

208838

208839

208840

208841

208842

2, 5 - 6, 13, 15 - 16, 

20, 23, 28, 35 - 38, 

41-42

Gasket / O-Ring (A4WOB, A4WOS,
A4WOBS, A4WOBK Only)

208843

208844

208845

208846

208847

4

Bolt, Bonnet

208800

208800

208800

208800

208800

25

Bolt, Port Plate

208801

208801

208801

208801

208801

23, 33, 46 - 48

* Solenoid Pseudo (“S” or “B” Only)

208940

208940

208940

208940

208940

44 - 45

Coil, 120/60 or 110/50 18.5 Watt Leaded

204843

204843

204843

204843

204843

44 - 45

Coil, 240/60 or 220/50 18.5 Watt Leaded

204844

204844

204844

204844

204844

44 - 45

Coil, 208/60 18.5 Watt Leaded

204845

204845

204845

204845

204845

44 - 45

Coil, 240/50 18.5 Watt Leaded

204846

204846

204846

204846

204846

44 - 45

Coil, 24/60 18.5 Watt Leaded

206244

206244

206244

206244

206244

* If repairing a A4WOBS valve two kits must be ordered.

A4WO, A4WOB, A4WOS, & A4WOBS Repair Kits

Item No.

Description

Material

Qty

44

Coil Clip

S.S.

1

45

Coil (“S” & “B” Only)

-------

1

46

Solenoid Pseudo Assembly (“S” & 
“B” Only)

S.S.

1

47

Armature, Coil (“S” & “B” Only)

S.S.

1

48

Ring, Seal

Tefl on (PTFE)

1

49

Spring, Coil (“S” & “B” Only)

S.S.

1

A4WO, A4WOB, A4WOS, & A4WOBS Parts List (continued)

Summary of Contents for A4WO

Page 1: ...eatures are its stainless steel and aluminum construction which allows it to withstand corrosive environments and its overall light weight minimizes installation costs Product Features Suitable for Am...

Page 2: ...ectric Shut Off S or a Electric Wide Open Bypass B The bonnet which contains the 3 range set spring and adjustment stem The A4WO is a normally closed valve furnished with socket weld and weld neck opt...

Page 3: ...n diagram is blocked off at the port plate This passage N is used for the A4W inlet regulator variation and is not required for a standard A4WO outlet regulator A plug is installed at the factory to p...

Page 4: ...gh the pilot plug because the pilot plug piston is fully seated Simply de energize the B feature on the valve to regulate A4WOS Principle of Operation The port plate for the A4WOS is the same port pla...

Page 5: ...are factory set for a given set pressure The seal cap is wired to the bonnet cap screw and the wires are sealed with a lead seal The relief pressure setting is stamped on the seal Note if the lead se...

Page 6: ...weld valves require that the pipe be inserted into the socket until bottomed against the stop The pipe is then to be backed out approximately 1 16 of an inch before welding Use of welding rings is op...

Page 7: ...he pilot assembly 17 21 on an A4WO is required then the compression must be taken off the range spring as described above and the bonnet bolts 4 removed If a solenoid feature is incorporated the solen...

Page 8: ...12 14 18 16 19 20 21 22 23 24 25 26 27 29 31 28 32 30 34 33 23 48 47 46 45 44 35 36 37 38 39 40 41 42 43 A4WO Exploded Parts View A4WOS shown Note The port plate for a A4WO and A4WOE outlet pressure...

Page 9: ...46 49 Port Plate A4WOES Only 208944 208944 208944 208944 208944 35 42 Piston 208778 208779 208780 208781 208782 35 39 Spring Piston 208795 208796 208797 208798 208799 35 39 41 42 Wear Seal Piston 2088...

Page 10: ...0 0 mm 3 54 90 0 mm 3 54 D 266 7 mm 10 5 299 5 mm 11 79 312 7 mm 12 31 E 41 4 mm 1 63 53 1 mm 2 09 49 3 mm 1 94 A4WO Butt Weld BW Dimensions A B C D E Dimension Port Size 20 25 mm 3 4 1 32 mm 1 1 4 40...

Page 11: ...ient temperatures The higher fluid temperatures require lower ambient temperatures for the maximum coil temperature not to be exceeded Conversely low fluid temperatures permit higher ambient temperatu...

Page 12: ...s Division Defective products or parts thereof returned to the factory with transportation charges prepaid and found to be defective by factory inspection will be replaced or repaired at Refrigerating...

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