Water
Ordinary Temperature
Cast Steel
Flange
Swing
Low Pressure
Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
Metal Seat
Unidirection
ANSI
Industrial Usage, Water Industrial Usage, Household Usage
Dual Plate&Double Disc Lug Stainless Steel Swing
BS1868, API 6D, ASME B16.34
ASME B16.34
ASME B16.10
ASME B16.25, ASME B16.5/16.47
API 598
Dnv CE 0575
ISO 9001: 2008
VATAC
Sea Worthy
API, ANSI, ASME, DIN, JIS, GB etc.
China
84818040
Product Description
Dual Plate&Double Disc Lug Stainless Steel Swing Check Valve Conform to API 594, API 6D, ASME B16.34, They are tested according to API 598, and marked as per MSS SP-25.
Construction is as follows:
Main Part & Materials
Normal Pressure Rating
PN10~PN420, CLASS150~2500
Normal Size Range
DN50~DN900, 2"~36"
Construction is as follows:
- Dual Plate | ||||
| - With Spring | ||||
| - Round, Full Lug or Double Flange | ||||
| - Soft or Metal Seated | ||||
| - Retainer or Retainer Less Design | ||||
| - Wafer Ends to Suit for Flanged Ends(ASME B16.5 and B16.47 A/B) |
Main Part & Materials
Part Names | Part Materials | |||||||
| Body | WCB | LCB | WC6 | CF8 | CF8M | CF3 | CF3M | C83600/C95800 |
| Bonnet | WCB | LCB | WC6 | CF8 | CF8M | CF3 | CF3M | C83600/C95800 |
| Disc/Ball/Wedge | WCB | LCB | WC6 | CF8 | CF8M | CF3 | CF3M | C83600/C95800 |
| Seat/Seat Ring | 13%Cr | SS304 | 13%Cr | SS304 | SS316 | SS304L | SS316L | C83600/C95800 |
| PTFE/NBR/EPDM/VITON | ||||||||
| Packing | Graphite/PTFE | |||||||
| Gasket | SS304+Graphite/SS304+Graphite | |||||||
| Bolts/Nuts | B7/2H | L7/4 | B16/4 | B8/8 | B8M/8M | B8/8 | B8M/8M | B8M/8M |
| Suitable Medium | W.O.G etc. | HNO3, CH3OOH etc. | Sea Water etc. | |||||
| Suitable Temperature | -29~425 °C | -46~340 °C | -46~340 °C | -196~427 °C | -196~427 °C | -196~427 °C | -196~427 °C | -29~220 °C |
Normal Pressure Rating
PN10~PN420, CLASS150~2500
Normal Size Range
DN50~DN900, 2"~36"
