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详细信息 Product Name: API 6A Safety Valve for Oil Field Model NO.: safety valve Material: Alloy Structure: Vertical Applicable Medium: Mud, Natural Gas, Crude Oil Operation Pressure: 2000psi~20000psi Power Source: Hydraulic Certification: API Certificate Working Pressure: 2000~15000psi Main Bore: 2 1/16"~7 1/16" Temp. Class: P~U Product Specification Level: Psl1~Psl4 Performance Requirement: Pr1,Pr2 Transport Package: Wooden Case Origin: Jiangsu China HS Code: 8481901000 Product Description Hydraulic Operated Safety valve mainly includes preparation vavle and hydraulic operator, is the execution unit of well safety system. High pressure oil enter into the empty cavity of upper operator, and compress the spring of lower operator to open the valve, when the wellhead equipment suffer from the dangerous pressure. control system relief the pressure of cylinder after receiving the signal sent by the sensor, spring push stem to close valve and wellhead equipments, ensure the equipment safety.Working principle of safety valve:
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