check valve seat

基本解释止回阀座

网络释义

1)check valve seat,止回阀座2)check valve,止回阀3)check valve,止回阀组4)static reflected wave,静止回波5)oil check valve,油止回阀6)nonreturn flap,止回瓣

Manufacture of great size check valve body seal surface;

大口径止回阀阀体密封面加工

Measure and analysis about the leakage rate in sealing test for metal-seated check valve covered in GB standard;

相关标准对金属密封副止回阀密封试验泄漏率的规定及分析

The model and application of check valve in power plant;

电站止回阀的选型及应用