|
Check Valve | ||||||||||||||||||||
Swing Check Valve Threaded & Socket Weld End | ||||||||||||||||||||
|
||||||||||||||||||||
|
Swing Check Valve Flange End | ||||||||||||||||
|
||||||||||||||||
|
Y-Swing Check Valve Threaded End | ||||||||||
|
||||||||||
|
Y-Spring Check Valve Threaded End | ||||||||||||||||||
|
|
Cast Iron Check Valve | |||||||||
|
Mark
|
Size
|
2B
|
2-1/2B
|
3B
|
4B
|
5B
|
6B
|
8B
|
10B
|
12B
|
50A
|
65A
|
80A
|
100A
|
125A
|
150A
|
200A
|
250A
|
300A
|
||
L
|
IN
|
8
|
8-1/2
|
9-1/2
|
11-1/2
|
13
|
14
|
19-11/16
|
24-1/2
|
27-1/2
|
MM
|
203
|
216
|
241
|
292
|
330
|
356
|
496
|
622
|
699
|
|
H
|
IN
|
4-1/4
|
4-7/8
|
5-3/8
|
6-1/4
|
7-3/16
|
8
|
9-11/16
|
11-1/8
|
13-1/8
|
MM
|
108
|
124
|
137
|
159
|
183
|
203
|
246
|
283
|
333
|
|
D
|
IN
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
.
|
MM
|
165
|
185
|
200
|
220
|
250
|
285
|
340
|
405
|
460
|
Nomenclature and materials: | |||
No.
|
Description
|
Materials
|
(B.S.)
|
1
|
Body | Cast Iron | 1452 GR. 220 |
2
|
Cover | Cast Iron | 1452 GR. 220 |
3
|
Disc | Cast Iron | 1452 GR. 220 |
4
|
Hanger | Malleable Iron | 1452 GR. 220 |
5
|
Seat Ring | Cast Bronze | 1400 LG2 |
6
|
Seat Ring | Cast Bronze | 1400 LG2 |
7
|
Hanger Pin | Stainless Steel | 304 S15 |
8
|
Plug | Steel | 4360 |
9
|
Washer | Steel | 4360 |
10
|
Split Pin | Steel | 4360 |
11
|
Stud Bolt | Steel | 4360 |
12
|
Nut | Nut | 4360 |
13
|
Stud Bolt | Steel | 4360 |
14
|
Nut | Steel | 4360 |
15
|
Gasket | Asbestos | 2815 |
16
|
Plug Gasket | Asbestos | 2815 |