The most important are as follows: Detection of type: valve stem seal leakage test and test; water valve tightness test; switch tightness test; the take-off safety valve Test; Detection Object: valve, the cut-off valve, safety valve, throttle valve, check valve, swing check valve, ball valve, regulating valve and other hollow pump body, valve body and housing, etc.; way valve connection: flange connection, threaded connection, welding connection; detection medium.
最重要的有以下几种:检测类型:阀门密封性试验及阀杆泄漏性试验;水中阀体密封性试验;开关密封性试验;安全阀的起跳值试验;检测对象:闸阀、截止阀、安全阀、节流阀、止回阀、摆动式逆止阀、球阀、调节阀和其他中空的泵体、阀体和壳体等;阀门联接方式:法兰联接、螺纹连接、焊接联接;检测介质。