Size: 2-24 Inches (50-600mm).
Nominal pressure: 600-1500LB.
Materials: carbon steel, alloy steel and stainless steel.
Basic design: API 600, ANSI B16.34.
Face to face: ANSI B16.10.
Flanges: ANSI B16.5.
Butt-weld Ends: ANSI B16.25.
Testing: API 598.
Outside screw and yoke bolted bonnet.
Parallel double disc.
Welded seat ring.