API Std 600:2021 specifes the requirements for a heavy-duty series of bolted bonnet steel gate valves for petroleum refnery and related applications where corrosion, erosion, and other service conditions would indicate a need for full port openings, heavy wall sections, and large stem diameters.
This standard sets forth the requirements for the following gate valve features:
— bolted bonnet;
— outside screw and yoke;
— rising stems;
— non-rising handwheels;
— single or double gate;
— wedge or parallel seating;
— metallic seating surfaces;
— fanged or butt-welding ends.
