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TABLE OF DIMENSIONS FOR INLET PRESSURE REGULATORS
Type
20mm & 25mm
(3/4 & 1")
DIMENSION
mm
inch
A
429
16.9
B
148
5.8
C
164
6.2
(D)
1/2"
216
8.5
(FPT) for
3/4"
216
8.5
PIPE SIZES
1"
216
8.5
SHOWN
1-1/4"
216
8.5
(E)
1/2"
216
8.5
(SW) FOR
3/4"
216
8.5
PIPE SIZES
1"
216
8.5
SHOWN
1-1/4"
216
8.5
(F)
—
—
—
(WN) FOR
3/4"
254
10.0
PIPE SIZES
1"
261
10.3
SHOWN
1-1/4"
261
10.3
(G)
7/8"
239
9.4
(ODS) FOR
1-1/8"
239
9.4
TUBE SIZES
1-3/8"
231
9.1
SHOWN
1-5/8"
239
9.4
H
117
4.6
J
98
3.9
K
112
4.4
L
122
4.8
M
138
5.4
Refrigerating Specialties Division
32mm
40mm & 50mm
(1-1/4")
(1-5/8 & 2")
mm
inch
mm
447
17.6
500
162
6.3
177
203
8.0
251
1-1/4"
256
10.1
1-1/2"
307
1-1/2"
256
10.1
2"
307
1-1/4"
256
10.1
1-1/2"
307
1-1/2"
256
10.1
2"
307
1-1/4"
300
11.8
1-1/2"
364
1-1/2"
304
12.0
2"
371
1-3/8"
269
10.6
1-5/8"
358
1-5/8"
279
11.0
2-1/8"
338
2-1/8"
305
12.0
2-5/8"
358
117
4.6
140
178
7.0
251
112
4.4
117
122
4.8
135
138
5.4
140
Types A4AS, A4AB, A4AD and A4AZ
65mm
(2-1/2")
inch
mm
inch
19.7
513
20.2
6.9
181
7.1
9.9
251
9.9
12.1
2-1/2"
331
13.0
3"
12.1
12.1
2-1/2"
331
13.0
3"
12.1
14.3
2-1/2"
401
15.6
3"
14.6
14.1
2-5/8"
348
13.7
3-1/8"
13.3
3-1/8"
389
15.3
3-5/8"
14.1
5.5
159
6.2
9.9
314
12.4
4.6
124
4.9
5.3
133
5.2
5.5
150
5.9
9
Types A4AS,
A4AB & A4AZ
75mm
(3")
100mm (4")
mm
inch
mm inch
632
24.9
685 27.0
273
10.7
292 11.5
311
12.2
339 14.1
389
15.3
4"
450 17.7
389
15.3
4"
450 17.7
478
18.8
4"
571 22.5
414
16.3
4-1/8"
503 19.8
4-1/8"
432
17.0
178
7.0
222
8.8
314
12.4
363 14.3
142
5.6
158
6.2
122
4.8
152
6.0
170
6.6
Type A4AD
only
100mm (4")
mm inch
685 27.0
292 11.5
339 14.1
4"
450 17.7
4"
450 17.7
4"
571 22.5
503 19.8
222
8.8
363 14.3
157
6.2
140
5.5
190
7.7
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