阀门机构

Valve Assembly The main material of Valve Assembly is high quality alloy steels,such as 20CrMnTi, 20CrNiMo.The Valve Insert was made by newly high molecular materials,to make the mud pump spares to resist high-temperature,high-pressure,anti-friction and sulfur corrosion. The valve assembly made by Dezhou Rundong Petroleum Machinery Co.,Ltd. ranks in the top class of international level. Frist Set 1.Main Part Materials:20CrMnTi,Valve insert : Japan JSR-220S. 2.Characteristics: Ordinary anti-impaction and anti-compression property. Temperature of mud ≤60°c,Maxi operation temperature 120°c; 3.Application: Pump pressure 18Mpa around,the service life 200H; Second Set 1.Main Part Materials:20CrMnTi,Valve insert : Polyurethane or Polyether ester. 2.Characteristics: Good anti-impaction and ordinary temperature tolerance property. 3.Application: Pump pressure 20Mpa around, Temperature of mud ≤80°c,the service life 400H. Third Set 1.Main Part Materials:20CrNiMo. 2.Characteristics: Excellent anti-impaction and high temperature tolerance property. 3.Application: High-pressure and high-temperature mud pump F-1600HL,F-2000HL,Excellent anti-sulfur corrosion.Pump pressure ≥35Mpa,the Maxi temperature 260°c,the service life 450H.