Applicable standards: Cast Stainless Steel Gate Valve 600Lb Forged Steel Gate Valve Fig. No: Steel gate valves, API 603 Steel valves, ASME B16.34 Face to face, ASME B 16.10 End flanges, ASME B16.5 Butt welding ends, ASME B16.25 Inspection and test, API 598 Design description: Full port design OS & Y, Outside screw and yoke BB, Bolted bonnet Flexible wedge, fully guided Choice of solid or split wedge Seat ring integral with body Forged T-head stem Rising stem and non-rising handwheel Flanged or butt welding ends Available with bg operator Notes: H represents the height in full opening condition of valve.