Composite rating for sealed connectors and fittings: scores seal leakage rate, pressure rating and tightening torque.
阀门密封泄漏率、耐压、拧紧扭矩三项检测工具,依据GB/T 13927、GB/T 16823等标准判定合格与否。适用于阀门、管道连接件的密封性能检测。