A professional manufacturer of api valve,casting valve,
forging valve,industrial valves

Quality extends
our honorable history°≠°≠

Check Valve, 1500LB-4

Valmax sample photo:
Check Valve 4" 1500LB BW, pressure seal cover

Body/Cap: ASTM A216 WC9
Disc: ASTM A216 WC9+13CR
Seat: ASTM A182-F22+13CR
Face to face dimension: 546mm
Valve standard: BS1868
Flange standard: ASME B16.5
Sealing pressure test: 275BAR
Shell pressure test: 375BAR
Valmax check valve

The check valve indicates a kind of valve in which the valve disc is automatically opened by the pressure produced by the flowing of the medium itself, and closed by the reverse pressure or the weight of the valve disc, so as to make the fluid flow toward one direction.The check valves include different types such as swing type, lift type and tilting disc type. Designed in accordance with specifications in API6D, the full-open type check valves of Valmax Company are applied in transportation lines for crude oil and natural gas.

Describes the design and product range

- Design basis: ASME B16.34, GB12236, API6D
- Flanged ends: ASME B16.5, GB9113
- Butt-welding ends: ASME B16.25
- Face-to-face dimension: ASME B16.10, GB12221
- Inspection and test: API598, API6D, JB/T9092
- Pressure rating: Class150~2500, PN16~PN420
- Product range: 2"~36", DN50~DN900
- Materials of main parts: WCB, LCB, WC6, Wc9,
  C5, CF8M, Alloy20
- Trim materials: as per API600

Design Features

- Swing type valve disc
- Tilting disc type valve disc
- Bolted bonnet
- Pressure self-sealing type bonnet
- Suitable for horizontal and vertical
- Flanged ends
- Butt-welding ends
- Pressure self-sealing type bonnet
- Overlay welding by hard alloy can be
  performed on the seat surface according
  to specifications in API600
- Replaceable valve seat
- Integral seat and back seat are adopted
  in stainless steel valves
- The built-in structure is adopted for
  connecting the pin and valve disc, so
  there is no external leakage point
| China Valve | Valve Supplier | Valve Manufacturer | Ball Valves | Bellow Sealed Valve |
| Wellhead Equipment | Wellhead Christmas Tree | API 6A |
Copyright © 2012 Valmax Valve Co,.Ltd. All Right Reserved. 我要啦免费统计