Suitable for various valve flap, flap ring panel seal grinding.
适用于各类阀门的阀座，阀瓣环形平面的密封研磨。
To extend the life of the valve flap can be coated with stellite.
为了延长使用寿命，阀瓣可以涂上一层钨铬钴合金。
But this time there is a stop block valve to prevent valve flap over top dead center and open.
而这时阀内有一个停止块来防止阀瓣超过上死点而打开。
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。
Valve flap can all be made of metal can also be embedded in the metal on leather, rubber, or synthetic coverage, depending on the use of performance requirements.
阀瓣可以全部用金属制成，也可以在金属上镶嵌皮革、橡胶、或者采用合成覆盖面，这取决于使用性能的要求。
Meanwhile, the flap valve can be used to adjust weight, spring tension and the bottom outlet valve flap valve opening size to determine the pressure and open and close time.
同时，可以利用调整阀瓣的自重、弹簧的弹力以及阀瓣的底孔大小来确定阀门的开启压力和启闭时间。
When the pressure difference changes with time, a phase shift will occur between the transient pressure difference and displace of valve flap, which could cause leakage and even reverse flow.
当阀片两侧的压差随时间变化时，阀片的启闭与压差的变化之间存在一定的相位差，有可能引起泄漏甚至反向流动。
Butterfly valve is closed parts (valve flap or disc for disc), around the valve axis of rotation to achieve the open and close a valve, in the pipeline mainly as shut off and throttling effect.
蝶阀是指关闭件(阀瓣或蝶板)为圆盘，围绕阀轴旋转来达到开启与关闭的一种阀，在管道上主要起切断和节流作用。
Objectives: Gastroesophageal flap valve can be divided into a four-grade system and this system can well predict the prevalence of gastroesophageal reflux disease.
研究动机：胃食道皮瓣可区分为四级。而这种分类系统，可以预测胃食道逆流疾病的发生率。
Flap valve cover seals are required when there is carbide reactor welding, sealing surface with thread sealing, to ensure the reliability of sealing and prevents scarring.
阀瓣密封根据需要时封面均堆焊接有硬质合金，密封面采用线密封，保证密封的可靠性，并可防止结疤。
This valve is normally automatic work, in a direction of flow of fluid under pressure, open the flap valve;
通常这种阀门是自动工作的，在一个方向流动的流体压力作用下，阀瓣打开；
Also known as butterfly flap valve imports, is to open and close with a round disc with the stem pieces and turn to open, close and adjust the fluid channel of a valve.
进口蝶阀又叫翻板阀，是用圆形蝶板作启闭件并随阀杆转动来开启、关闭和调节流体通道的一种阀门。
Based on a systematic analysis of the movement of the flap valve, a mathematical model with constraint conditions and objective functions is established.
文中通过对拍门运动的系统分析，建立了带有约束条件和目标函数的数学模型。
All kinds of resisting moment effects upon pump start-up process are fully considered and the different operational results of outlet gate with little flap valve are also reviewed.
在计算过程中，比较完整地考虑了各种阻力矩对起动过程的影响，同时重点考察了平直管出水流道，具有快速闸门带小拍门断流装置形式的起动效果。
Fast flap dust discharge valve is made up of valve body, valve plate, valve shaft and rocker etc.
快速翻板卸灰阀主要由阀体、阀板、阀轴、摇杆等零件组成。
Butterfly valve is also called a flap valve, is a simple structure of the regulating valve, but also can be used for low pressure pipeline medium switch control.
蝶阀又叫翻板阀，是一种结构简单的调节阀，同时也可用于低压管道介质的开关控制。
Flap valve is mainly installed in the end of drainage pipeline to prevent extra water flow backward.
拍门主要安装在排水管道的尾端，用于防止外水倒灌。
GD-J series high-vacuum flap valve is used to cut off or connect air stream in vacuum system.
GD - J系列高真空挡板阀是用于真空系统中用来切断或接通气流之用。
GD-J series high-vacuum flap valve is used to cut off or connect air stream in vacuum system.
GD - J系列高真空挡板阀是用于真空系统中用来切断或接通气流之用。
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