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The core technology is reasonable to determine their draft tube diameter and disc bottom outlet aperture ratio, the ratio determines the performance of disc movement and motion energy.

电动截止阀其核心技术是合理确定其导流管直径与阀瓣底孔孔径的比值,该比值决定了阀瓣的动作性能和动作能耗。

Valve: The sealing performance between valve check and seat ring will be damaged because of worn and corrosion. If this occur, close the main valve and take down the valve clack to polish.

阀门:吹灰器阀门因为吹灰介质的磨损和腐蚀,会引起阀瓣与阀座环间密封性的破坏,如果出现这种情况,应关闭吹灰器总阀,取下阀瓣研磨。

Disc assembly. Disc is fastened securely to disc hanger with a lock nut and cotter pin.

阀瓣总成。通过一个锁紧螺母和开口销将阀瓣安全紧固在阀瓣支架上。

Lift check valve with a spring load can withstand light valve flap, flap valve lift is not high.

升降式止回阀使用一个可承受弹簧载荷的轻量阀瓣,阀瓣的升程不高。

Piston check valve flap Rubber Flapper Swing Check Valves, Oil Control Bottom Buffer along the vertical center line of sliding valve check valve, check valve with internal thread can only be installed in horizontal pipes, in the high-pressure small-bore ball valve on the valve flap can be used.

活塞式止回阀瓣沿着阀体垂直中心线滑动的止回阀,内螺纹止回阀只能安装在水平管道上,在高压小口径止回阀上阀瓣可采用圆球。

Horizontal lift can only be installed in a horizontal pipeline, and ensure the valve flap in a vertical state; unicuspid swing can only be installed in horizontal pipe on the road, and ensure the valve flap in the horizontal axis; double valve butterfly to any installation.

水平升降式只能安装在水平管路上,且保证阀瓣处于垂直状态;单瓣旋启式也只能安装在水平管路上,且保证阀瓣转轴处于水平状态;双瓣蝶式可以任意安装。

Dry-type valves use air pressure and water pressure acting on both sides of the flap valve torque difference control valve on the valve closed and open, generally can be divided into differential-type dry-type alarm valve and sealed dry-type alarm Flanged end gate valve valve two kinds of.

干式阀利用两侧气压和水压作用在阀瓣上的力矩差控制阀瓣的封闭和开启,一般可分为差动型干式报警阀和封闭型干式报警阀两种。

Dry-type valves use air pressure and water pressure acting on both sides of the flap valve torque difference control valve on the valve closed and open, generally can be divided into differential-type dry-type alarm valve and sealed dry-type alarm 800X Differential By-Pass Balancing Valve valve two kinds of.

干式阀利用两侧气压和水压作用在阀瓣上的力矩差控制阀瓣的封闭和开启,一般可分为差动型干式报警阀和封闭型干式报警阀两种。

Raise clapper so that the end of the Check Arm rests between roller and clapper (figure 5B).

将阀瓣升起,使其止回阀臂的末端靠在辊子和阀瓣之间(图5B)。

As a downstream piping system when the valve opens, reflux valve, when closed, the main medium used to prevent backflow to prevent the pump and drive motor reversal, as well as a container medium discharge; currently the most commonly used is the valve flap around the body Swing Pin rotation flap valve and the valve body along the vertical axis to move lift check valve, but the above two kinds of structures exist in the valve closed, medium speed back quickly from the largest drop to zero, inlet side of the pipe resulted in the rapid pressure rise, resulting Proportional Pressure Reducing Valves in damaging effects on the piping system of water hammer phenomenon, it is generally a diameter of valve production of 50 ~ 500 mm.

止回阀作为管道系统顺流时开启,逆流时关闭的阀门,主要用于防止介质倒流,防止泵及驱动电机反转以及容器内介质泄放;目前使用最普遍的是阀瓣围绕阀体销轴旋转的旋启式止回阀和阀瓣沿着阀体垂直中心线移动的升降式止回阀,但以上2种结构的阀门均存在关闭时介质倒流速度从最大迅速降为零,致使管道进水管一侧内压迅速升高,从而产生对管路系统有破坏作用的水锤现象,所以一般止回阀生产口径为50~500 mm。

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