这样可以防止阀瓣密封边缘的损坏。
阀瓣旋转自如，避免定位磨损。
同时，采取短行程阀瓣的设计。
阀体，阀盖，连接法兰，阀瓣。
当阀瓣全开时，电接信号消失。
When the disc is wide open, the electricity connecting signals disappear.
闸阀的主要启闭零件是阀瓣和阀座。
适用于现场维修的最简单的阀瓣类型。
在安装时，阀瓣要停在关闭的位置上。
At the installation, the valve to turn off at the stop position.
因为阀瓣就像蝴蝶，因此也叫蝴蝶阀。
Because the valve is like a butterfly, also called the butterfly valve.
将螺丝放回到安全阀阀瓣内，并加以紧固。
Place the screw back into the relief valve disc and tighten.
阀瓣与阀座为软密封，密封性能好，无泄露。
Valve flap and valve seat for the soft seal, seal performance, no leakage.
首先通过检修口拆卸阀瓣的后面及其弹簧末端。
Remove through access port with back of clapper first with spring end down.
为了保证关闭严密，阀瓣与阀座密封面进行的研磨。
To ensure tight closure, and the valve seat valve sealing surface of the ground.
当有流体通过阀门时，第一阀瓣开启从隔膜密封上离开。
With flow through valve, primary check opens away from diaphragm seal.
当流体通过阀门时，第一阀瓣开启，从隔膜密封上离开。
With flow through valve, primary disc opens away from diaphragm seal.
因此要清洗，拆卸底部塞、阀座弹簧、过滤器和阀座阀瓣。
To clean; remove bottom plug, seat spring, strainer and seat disc.
软密封的主阀瓣能在95%以上的开启压力范围内获得高密封度。
Soft airproof main valve can obtain high airproof in the scope of over 95% lift pressure.
软密封的主阀瓣能在95%以上的开启压力范围内获得高密封度。
Soft airproof main valve can obtain high airproof in the scope of over 95% lift pressure.
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