OS&Y vs NRS Difference
1. MSS SP-70 Gate Valve(OS&Y)
- Designed and manufactured in strict accordance with MSS SP-70 standard
- Face-to-face dimension complies with ANSI B16.10 for Class 125LB/150LB.
- Flange drilling dimension follows ANSI B16.1 Class 125LB/150LB specification.
- Working pressure rating: 125S/150S.
- Full cast iron construction available for whole valve body.
- Integrated undivided yoke & bonnet for sizes from 2" to 6".
- Applicable working medium: Water, Oil, Gas.
MATERIAL LIST
2. MSS SP-70 Gate Valve(NRS)
- Designed and manufactured in full compliance with MSS SP-70 standard
- Face-to-face dimensions comply with ANSI B16.10 Class 125LB/150LB requirements.
- Flange drilling dimensions conform to ANSI B16.1 Class 125LB/150LB specification.
- Pressure rating: 125S / 150S.
- Valve body available in full cast iron construction.
- Suitable for working media: water, oil, and gas.
MATERIAL LIST
Specifications
|
PRESSURE |
SIZE |
2.5 |
3 |
4 |
5 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
24 |
|
125S |
L |
178 |
190.5 |
203.2 |
228.6 |
254 |
266.7 |
292 |
330 |
355.6 |
381 |
406 |
432 |
508 |
|
D |
152 |
178 |
190 |
229 |
254 |
279 |
343 |
406 |
483 |
533 |
597 |
635 |
813 |
|
|
D1 |
121 |
140 |
152.5 |
190.5 |
215.9 |
241.5 |
298.5 |
362 |
432 |
476 |
540 |
638 |
749 |
|
|
D3 |
85.6 |
99 |
107.8 |
72.9 |
82.6 |
92.6 |
114.2 |
93.7 |
111.8 |
123.2 |
105.4 |
99.3 |
117.2 |
|
|
b |
15.9 |
17.5 |
19.1 |
23.8 |
23.8 |
25.4 |
28.6 |
30.2 |
31.8 |
35 |
36.6 |
39.7 |
47.6 |
|
|
n-d |
4-19 |
4-19 |
4-19 |
8-19 |
8-22 |
8-22 |
8-22 |
12-25 |
12-25 |
12-29 |
16-29 |
16-32 |
20-35 |
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