Parker A4AT-DN Installation And Service Information Download Page 7

Refrigerating Specialties Division

7

4 Packing Ring
5 Packing Washer
6 Adjusting Stem

11 Screw, Bonnet
15 Diaphragm Follower
16 Gasket, Bonnet
17 Diaphragm
19 Gasket, Adapter
20 Flg Ring-tube Asm
21 Adapter, A4AO
22 Spring Nut
23 Spring, Pilot Plug
24 Pilot Plug
25 O-Ring Seal
26 O-Ring, Pilot Plug
27 Gauge Port Pipe Plug
28 Adapter, Body
29 Gasket, Body
30 Piston-Stem
31 Screw, Body
32 Body
33 Throttling Plug Asm
34 Spring, Closing
35 Dirt Wiper Retainer
36 Dirt Wiper
37 Seal, Bottom Cap
38 Bottom Cap
39 Screw, Bottom Cap
40 Packing Washer
41 Packing Ring
42 Stuffing Box Nut
43 Gasket, Seal Cap
44 Seal Cap
45 Gasket, Flange
46 Bolt, Flange
47 Nut, Flange
91 Indicator Ring
92 Indicator Screw
93 Indicator Tag
94 Indicator Tag
95 Collar Screw
96 Pilot Seat
97 Gasket
98 Pilot Body
99 O-Ring

100 Cap Screw
101 Push Pin
102 O-Ring
103 O-Ring
104 Thermo-Adapter
105 O-Ring
106 Thermal Element
107 Tube Fitting
108 Tube
109 Tube Fitting
110 Set Screw

A4AOT

Fig. 4

For replacement parts and prices, consult
PARTS KITS LIST PRICE SCHEDULE INDUSTRIAL
AND FLO-CON (PK)

Summary of Contents for A4AT-DN

Page 1: ...agm Manual Opening Stem Complies with Pressure Equipment Directive 97 23 EC Description These compact heavy duty pilot operated regula tors are suitable for Ammonia R22 R134a R404a R707 and other comm...

Page 2: ...perature setting A4AOT REVERSE ACTING TEMPERATURE REGULATOR The A4AOT Regulator modulates flow in response to the temperature variations sensed by its thermal bulb A special temperature pilot replaces...

Page 3: ...such that the regula tor can not be easily damaged by material handling equipment When it is necessary to insulate the regulator and companion strainer the insulation should be installed to provide ac...

Page 4: ...N GGG 40 3 42 4 1 61 L ADAPTER 2 A4A DN DUCTILE IRON GGG 40 3 COVER BOTTOM A4A S4A 1 5 8 to 2 1 2 DUCTILE IRON GGG 40 3 BONNET A4W DUCTILE IRON GGG 40 3 COMPONENT DESCRIPTION MATERIAL Kv VOLUME BODY 2...

Page 5: ...nce moisture can condense on parts and cause rapid rusting When replacing gaskets they should be oiled very lightly with refrigerant oil before assembly Items which require several bolts to fasten mus...

Page 6: ...er device is opened or removed Flanges with ODS connections are not suitable for ammonia service Warranty All Refrigerating Specialties products are warranted against defects in workmanship and materi...

Page 7: ...ng 35 Dirt Wiper Retainer 36 Dirt Wiper 37 Seal Bottom Cap 38 Bottom Cap 39 Screw Bottom Cap 40 Packing Washer 41 Packing Ring 42 Stuffing Box Nut 43 Gasket Seal Cap 44 Seal Cap 45 Gasket Flange 46 Bo...

Page 8: ...5 1 1 4 312 12 3 1 1 2 376 14 8 2 1 2 414 16 3 3 490 19 3 4 584 23 0 PI PE 1 274 10 8 1 1 2 318 12 5 2 384 15 1 SI ZE 1 1 4 274 10 8 O DS 1 1 8 300 11 8 1 3 8 338 13 3 1 5 8 427 16 8 2 5 8 445 17 5 3...

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