Pressure seal check valve 2500LB

Feature：
1. Back up ring: Absorbs thrust applied by internal pressure.
2. Thrust ring: Protects the soft metallic gasket from deformation.
3. Gasket Unique angular design provides superior sealing.
4. Pressure sealing cover, swing type disc, threaded or welded seat ring

Standard:
DESIGN & MANUFACTURING:API 6D& ANSI B16.34 & BS1868
Face to Face Dimension: ANSI B 16.10
Flanged End Dimension : ANSI B 16.5 & ANSI B 16.25 for butt-welding
Testing & Inspection: API 598

Structure：