Product Name: Ce Bronze and Brass Pressure Relief Valve Model NO.: S10T Material: Brass Structure: Spring Closed: Closed Pressure: Adjustable Connection: Thread Temperature: High Temperature Certification: SGS, CE Trademark: Aetv or OEM Transport Package: Bag--Box--Carton--Case Specification: 3/8"~2" Origin: China HS Code: 84814000 Product Description General material1Typesafety valve2Valve bodybronze3Valve seatCW617N4Springstainless steel 3045Spring seatCW617N6Soft sealFKM/PTFE/metaL7StemCW617N8Adjust screwCW617N9Gasket RingPTFE10DiscCW617NAdvantages of AETV valves:1) According the European standard, we choose CW617N brass.2) With SS304 spring, the valves can be used in longer time, and the opening pressure is more stable.3) The thickness of valve's body can meet the requirement of PN40 safety valve.4) We choose PTFE or Viton as the sealing material if the working temperature is not high, or process a conical surface to ensure a better seal effect when it has to use metal material.