... check-valve ball 止回阀球 check-valve ball seat 止回阀球座 check-valve ball spring 止回阀球弹簧 ...
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check-valve ball seat 止回阀球座
check valve ball seat 止回阀球座
ball and seat valve 球形止回阀
Ball seat valve 球座阀
ball resolver valve seat 球形分解器阀座
ball valve seat 球阀座
The sealing sections of non-return valve ball seat were separated, material was changed into zirconium oxide ceramic, 0.
通过分离单向阀球座密封段，材料改为氧化锆陶瓷，密封段流道直径增加0。
Then install valve upside down for fluid to lift ball into seat.
然后倒置安装阀门，使得流体将球提升到阀座上。
Gravity ball check valves are converted to vent valves by replacing the standard ball with a floater ball and inverting the valve at installation-with seat up.
重力球形止回阀可以变为通风阀，只需用漂浮球体更换标准球体，然后在安装时将阀门倒置，使其阀座向上即可。
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