Cast Steel Swing Check Valve 1500Lb Applicable standards: Steel check valves, API 6D Steel check valves, ISO 14313 Steel valves, ASME B 16.34 Face to face, ASME B 16.10 End flanges, ASME B16.5 Butt welding ends, ASME B16.25 Inspection and test, API 598/API 6D Design description: BB, Bolted bonnet, cap Swing type, Anti-rotation disc Renewable seat rings Non-penetrate disc shaft Horizontal or vertical service Flanged or butt welding ends Note: 1). NPS 6" & Large; 2). Disc and seat ring may either be solid facing material or a base material equal to or better than the body/bonnet material with facing as shown. Applicable standards: Steel check valves, API 6D Steel check valves, ISO 14313 Steel valves, ASME B 16.34 Face to face, ASME B 16.10 End flanges, ASME B16.5 Butt welding ends, ASME B16.25 Inspection and test, API 598/API 6D Design description: BB, Bolted bonnet, cap Swing type, Anti-rotation disc Renewable seat rings Non-penetrate disc shaft Horizontal or vertical service Flanged or butt welding ends Dimensions data Dimensions data Size