积极的机械推力驱动阀塞进入阀体阀座馁，确保紧密双向管路密封。

Positive mechanical thrust drives plug into body seats to ensure tight bi-directional line seal.

youdao

用一个O形环密封安全阀阀体与主外壳。

An O-ring seals the relief valve body to the main housing.

youdao

密封面积相当于阀体长度的95%。

Sealing area is equal to 95% of the valve's length.

youdao

适用于直通法兰式阀门的密封压力和阀体强度压力性能试验。

Is suitable for through flange valve sealing pressure and valve body intensity pressure performance test.

youdao

阀体与连接法兰的密封为体盖密封。

The body and flange are airproofed by shell.

youdao

该阀采用锻钢阀体，密封为自润滑工程塑料。

The valve body is made from forged steel.

youdao

该阀采用锻钢阀体，密封为自润滑工程塑料。

The valve body is made from forged steel.

youdao