The specifications for seat sealing test, body sealing test, body strength test, valve long term test, fatigue strength test and operation torque of plastic valves were summarized.

• 汇总了塑料阀门产品所需性能要求的阀座密封试验、阀体密封试验、阀体强度试验、阀门长期试验、疲劳强度试验和操作扭矩的规定。