This International Standard specifies the requirements for a heavy-duty series of bolted bonnet steel gate valves for petroleum refinery 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.
EN ISO 10434:2004 history
2020EN ISO 10434:2020 Bolted bonnet steel gate valves for the petroleum, petrochemical and allied industries (ISO 10434:2020)
2004EN ISO 10434:2004 Bolted bonnet steel gate valves for petroleum, petrochemical and allied industries (ISO 10434:2004)