DIN Heavy Hammer Swing Check Valve
Heavy hammer check valve
Key works: Heavy, hammer, check, valve, swing, BS1868, API6D, FLANGE, CF8, CF8M, WCB
Product Range
Sizes: NPS 2 to NPS 28
Pressure Range: Class 150 to Class 2500
Flange Connection: RF, FF, RTJ
Materials
Forged (A105, A182 F304, F304L, F316, F316L, F51, F53, A350 LF2, LF3, LF5,)
Casting (A216 WCB, A351 CF3, CF8, CF3M, CF8M, A995 4A, 5A, A352 LCB, LCC, LC2) Monel, Inconel, Hastelloy
Standard
| Design & manufacture | API 6D / BS 1868 |
| Face-to-face | ASME B16.10 |
| End Connection | ASME B16.5, ASME B16.47, MSS SP-44 (NPS 22 Only) |
| - Socket Weld Ends to ASME B16.11 | |
| - Butt Weld Ends to ASME B16.25 | |
| - Screwed Ends to ANSI/ASME B1.20.1 | |
| Test & inspection | API 6D, API 598 |
| Fire safe design | API 6FA, API 607 |
| Also available per | NACE MR-0175, NACE MR-0103, ISO 15848 |
| Other | PMI, UT, RT, PT, MT |
Design Features
1. Heavy hammer
2. Swing type
3. Bolted bonnet
4. Anti-rotation disc
5. Renewable seat ring
6. Non-penetrate disc shaft
7. Horizontal service
CNGW Valve Heavy hammer check valve adds the weight handle and weight design and manufacturing to the linkage between the valve flap and the stem of the ordinary check valve. When no medium passes through the valve body, the valve flap, weight handle and weight and other components Under the action of gravity, it rotates around the valve stem to make the valve flap contact with the valve seat to form a seal, so as to achieve the purpose of closing the valve; while the medium passes, the medium will push the valve flap, the weight handle and the weight and other components around the valve The rotation of the rod separates the valve flap from the valve seat to release the seal, so as to achieve the purpose of opening the valve.
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