Refrigerating Specialties Division
10
PIPING AND LAYOUT FOR STANDARD A4A BACK PRESSURE REGULATOR
PORT
A
B
C
PIPE
F.P.T. (D)
SOCKET (E)
WELD (F)
WELD
NECK
SIZE
mm
INCHES
mm
INCHES
mm
INCHES
SIZE
mm
INCHES
mm
INCHES
mm
INCHES
¾”
¾”
216
8.5”
216
8.5"
254
10.0”
&
164
6 2"
244
9.6”
392
15.4”
1”
216
8.5"
216
8.5”
261
10.3”
1”
1-1 / 4”
216
8.5”
216
8.5”
261
10.3”
1-1 / 4”
256
10.1”
256
10.1”
300
11.8”
1-1/4”
203
8 0"
248
9.8”
410
16.1”
1-1/2"
256
10.1”
256
10.1”
304
12.0"
1-5/8"
1-1/2"
307
12.1”
307
12.1”
364
14 .3"
&
251
9.9”
287
11.3"
464
18.2”
2”
307
12.1”
307
12.1”
371
14.6"
2”
2-1/2”
331
13.0”
331
13.0”
401
15.8”
2-1/2”
252
9.9”
302
11.9”
483
19.0”
3”
389
15.3”
389
15.3”
478
18.8”
3”
311
12.2"
324
12.8”
597
23.5”
4”
359
14.1”
361
14.2”
653
25.7”
4”
450
17.7”
450
17.7”
571
22.5”
A4A, A4AE
Fig. 3
Allow 25mm (1”) below valve
to operate manual opening stem.
Summary of Contents for VSM 71-701
Page 1: ...1 VPN 35391S February 2006 Rev 05 Price 60 00...
Page 2: ...2...
Page 20: ...20...
Page 52: ...53 Pre Start Up Check List...
Page 99: ...99 Recommended Spare Parts List...
Page 104: ...104 Gate Rotor...
Page 110: ...110 Main Rotor VSS...
Page 112: ...112 Main Rotor VSR...
Page 114: ...114 Slide Valve Cross Shafts and End Plate...
Page 118: ...118 Capacity Slide Volume Slide Carriage Assembly Slide Valve Carriage Assembly...
Page 134: ...134 Miscellaneous Frame Components VSS Screw Compressor VSR Mini Screw Compressor...
Page 138: ...138 C FlangeAdapter Components 630 620 610 640 601 641 630 601 620 610 640 641 642 650 651...
Page 140: ...140 Replacement Parts Tools...
Page 144: ...144 GaterotorAssembly...
Page 148: ...148 Main Rotor Slide Valve Cross Shafts and End Plate Models 71 401 Only Counter clockwise...
Page 152: ...152 Main Rotor Slide Valve Cross Shafts and End Plate Model 501 701 Only Clockwise...
Page 154: ...154 Volume Ratio Capacity Slide Carriage Assembly Slide Valve Carriage Assembly...
Page 158: ...158 Miscellaneous Frame Components Model VSM 501 701 Model VSM 71 401...
Page 160: ...160 Replacement Parts Accessories Housing Accessories C Flange Assembly...
Page 166: ...166 Haight Pumps...
Page 170: ...3 Refrigerating Specialties Division...
Page 236: ......
Page 237: ......
Page 238: ......
Page 243: ......
Page 244: ...168...