stem seal的例句大全

Oil valve stem, protective cap and valve-stem seal.

用机油润滑气门杆、保护帽和气门杆密封件。

Backseat? machined bonnet stem bushing provides back-up stem seal.

后座 - 经过精密加工的阀盖阀杆衬套实现后座阀杆密封.

Long-life leakproof stem seal.

使用寿命长的防泄漏阀杆密封.

This prevents stem from scoring and galling and provides longer disc seal and body life.

这种结构避免阀杆刮伤和磨损,延长阀瓣密封和阀体的使用寿命.

Body, disc, stem concentric design, 100 % bi-directional bubble grade seal.

◇阀体 、 阀板 、 阀轴同心结构设计, 100% 双向 气泡级密封.

over- torquing breaks occur above the stem o-ring leaving the seal intact until repair or replacement can be made.

如果阀杆上方由于过大的力矩而断裂，其O形环仍然保持密封在维修或更换之前不受影响。

Operating Principle: The pressure seal valve is a hand wheel-operated valve using a two-piece valve stem.

运转原理: 压力密封阀是使用两个阀杆的手轮操作阀门.

sketch of structure of soft-sealing non rising stem gate valve

软密封暗杆闸阀结构示意图

improvement on the seal in the intermediate guide vane stem bearing of alstom hydraulic turbine

ALSTOM水轮机导叶中轴套密封改造