Bolt/welded connection valve cover, reduced diameter and full diameter
The end connection is socket welding, threaded welding, or butt welding, designed according to API602 and ASME16.34
Product drawing

Product dimensions
| DN | NPS | Ød | L | H | Port size |
| 15 | 1/2" | 10.5 | 111 | 80 | SW NPT Rc |
| 20 | 3/4" | 13 | 111 | 80 | |
| 25 | 1" | 18 | 120 | 90 | |
| 32 | 1 1/4" | 24 | 152 | 101 | |
| 40 | 1 1/2" | 29 | 172 | 120 | |
| 50 | 2" | 36.5 | 220 | 135 |
Technical Documentation
1. Design and Manufacturing: API602; ASME B16.34; JB/T7746; GB/T12224
2. Structural length: JB/T7746 or customer requirements
3. Socket end size: ASME B16.11; JB/T7746(SW)
Welding end size: ASME B16.25; JB/T7746(BW)
Thread end size: ASME B1.20.1 (NPT); GB/T7306(Rc)
4. Inspection and testing: API598; JB/T9092; GB/T26480
5. Structural features: B · B (central bolt) W · B (central welding) Flow rate: Full diameter (FP) Shrinking diameter (RP)
6. Subject material:A105N,LF2,LF3,F11,F5,F22,F304,F304L.F316,F316L,F321H,F51,F53,F55,F91,F92,F347,310S,800H, 600625 Special materials, etc
Prev:Stainless steel American standard flange swing check valve H44W-300LB
Next:Stainless steel threaded/socket welded connection check valve H11H/H61H-1500LB
Related Information
If you have any questions or suggestions about the product, or if you want to know more, you can contact us at any time.
Web
WeChatProduct Center
Export department