CSV sample photo:
Gate valve 12" 150LB BW, OS&Y, bolted bonnet, by pass, rising stem, handwheel op.
Body/Bonnet: ASTM A216 WCB |
Wedge: ASTM A216 WCB+316SS |
Seat: ASTM A105+316SS |
Stem: 316SS |
Face to face dimension: 292mm |
Valve standard: API600 |
Flange standard: ASME B16.5 |
Sealing pressure test: 113BAR |
Shell pressure test: 154BAR
CSV sample photo:
Gate valve 40" 150LB RF flange end, OS&Y, bolted bonnet, rising stem, gear op
Body/Bonnet: ASTM A216 WCB |
Wedge: ASTM A216 WCB+13CR |
Seat: ASTM A105+13CR |
Stem: 13CR |
Face to face dimension: 356mm |
Valve standard: API600 |
BW standard: ASME B16.25 |
Sealing pressure test: 22BAR |
Shell pressure test: 30BAR
CSV sample photo:
Gate valve 6" 150LB flexible wedge
Material: WCB |
Valve standard: API600 |
Maching tolerance control: GB/T 1804 |
Sealing roughness: 0.4 |
(we have lapping step besides wedge polishing)
CSV sample photo:
Gate valve 8" 150lb RF flange end body
Material: ASTM A216 WCB |
Valve standard: API600 |
Face to face dimension: 292mm |
Maching tolerance control: GB/T 1804 |
CSV sample photo:
Gate valve 2" 600LB RF flange end, OS&Y, bolted bonnet, rising stem, handwheel op
Body/Bonnet: ASTM A216 WCB |
Wedge: ASTM A216 WCB+316SS |
Seat: ASTM A105+316SS |
Stem: 316SS |
Face to face dimension: 292mm |
Valve standard: API600 |
Flange standard: ASME B16.5 |
Sealing pressure test: 113BAR |
Shell pressure test: 154BAR
CSV sample photo:
Gate valve 10" 600lb RF flange end body
Material: ASTM A216 WCB |
Valve standard: API600 |
Face to face dimension: 787mm |
Maching tolerance control: GB/T 1804 |
CSV sample photo:
Gate valve small size pressure test:
Test standard: API598
All gauge is adjusted once in three months.
All pressure test equipments have been authorised certificates by Quality and Techinical Supervision reviewing