丰兴高压截止阀材质,TOYOOKI高压截止阀结构图[产品打印页面]

丰兴高压截止阀材质,TOYOOKI高压截止阀结构图
它的结构 长度大于闸阀，同时流体阻力大，长期运行时，密封可靠性 不强。
手轮、手柄操作的截止阀可安装在管道的任何位置上。
Cut-off valve, also known as cut-off, is the most widely used a valve, it is popular,
Is due to open and close the sealing process between the sealing surface is small, more durable,
Open height is not large, easy to manufacture, easy maintenance, not only for low pressure,
手轮、手柄及伟动机构，不允许作起吊用。
When the high-pressure shut-off valve is opened,
the opening height of the valve flap is 25% to 30% of the nominal diameter,
The flow has reached the maximum, indicating that
the valve has reached full position.
介质的流向应与阀体所示箭头方向一致。
力与由介质的压力所产生的推力，关阀门的力比开阀门的力大，
所以阀杆的直径要大，否则会发生阀杆顶弯的故障。
So the fully closed position of the cut-off valve should be determined by the stroke of the valve.
High-pressure cut-off valve is mandatory sealing valve, so when the valve is closed,
Pressure must be applied to the flap to force the sealing surface from leakage.
近年来，从自密封的阀门出现后，截止阀的介质流向就改由阀瓣上方进入阀腔，
这时在介质压力作用下，关阀门的力小，而开阀门的力大，
But also for high pressure. Its closed principle is to rely on the pressure of the valve,
So that the valve sealing surface and the valve seat sealing surface close to prevent the media circulation.
Only one-way flow of the valve, the installation of directional.
阀杆的直径可以相应地减少。同时，在介质作用下，这种形式的阀门也较严密。

丰兴高压截止阀材质,TOYOOKI高压截止阀结构图

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