Flange Check Valve
Flange Check Valve
- Design Basis: API 6D
- Structure Length: API 6D; ASME B16.10
- Connection Size: ASME B16.5; ASME B16.47
- Test and inspection: API 598
Structural Features:
- Dual-plate check valve adopt half semicircular disk, rotate around the shaft of the valve seat channel, since the valve’s port is the flow line, flow resistance is small, suitable for low velocity and flow does not change often large diameter occasions, but not suitable for pulsating flow.
- Simple structure with well sealed.
- Easy to install, easy to replace the valve at any time.
Technical Specifications:
- Connection End: Flanged: ASME B16.5、ASME B16.47; Butt-welding ASME B16.25
- Face-to-Face：API 594 ASME B16.10 API 6D
- Design Standard: API 594 API 6D
- Test and inspection: API 598 API 6D
Product information:
Connection ends: Wafer, lug, flange.
Body type: Straightway type
Seat type: Soft /metal seat
Temperature range: -196℃~595℃
Pressure range: CLASS150-CLASS2500
Diameter range: NPS2-NPS60(DN50~DN1500)
Suitable Service: Water, Steam, oils, air-fuel mixture and corrosive medium etc..
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