Check valve is a kind of valve that depends on flow of medium to open or close disc. Check valve is used to avoid back flow of valve. Based on structure, check valve can be classified into lift check valve, swing check valve, butterfly check valve, pipe valve. 1. Lift check valve: The disc of lift check valve can slide along vertical center line of body. Lift check valve can be only used for horizontal pipeline. The disc of high pressure small caliber check valve uses ball. The shape...
Common Usage of Check Valve Read
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As one of terminal control components for automatic control system, regulating is a key component for automatic control system. Generally, regualting valve is positively used (installed), for it having simple flow path and small resistance . However, unger high pressure, reverse installation is more suitable for regulating valve, which can improve unbalanced force and reduce damage to valve bore. Otherwise, it can avoid coking and occlusion of regulating valve. When angle regulating...
Regulating Valve Installation and Application Read
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Regulating valve, also called as control is a kind of valves which receive control signal and change flow of fluid with the help of motive power. Regulating valve consists of actuator and valve. Based on motive power, regulating valve can be classified into pneumatic regulating valve(using compressed air), electric regulating valve(using electricity) and hydraulic regulating valve(useing pressure of liquid medium). Regulating valve has a lot of varieties. The most common used regulating...
How to Choose Regulating Valve? Read
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Many people might take it for granted that when they turn on their water everything will flow normally. But some homes might be missing an important piece of equipment you may never have heard of -- pressure regulating valve. Margaret Cantrell learned the hard way. She has an expensive mess on her hands. One morning she found her patio flooded after the top of her water heater had blown apart. "It was like a fire hydrant," she said. Metro Water Services...
Missing Pressure Regulating Valve Causes faucet Damage Read
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Design of disc Gate valves with NPS>/2 are of wedge flexible gate. Gate valves with NPS＜2 are of wedge solid gate. Body and bonnet connection The body and bonnet of Class 150 - 900 gate valves are usually connected with studs and nuts. And the body and bonnet of Class 1500 - 2500 gate valves are usually of pressurized seal design. Gasket of cover flange Carbon steel or stainless flexible steel graphite combined gasket is used for Class 150 gate valve; Stainless...
Xinhai Gate Valve Design Features Read
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As we know, gate valve is widely used to control the flow of liquid from straight line medium in many places. The instance ones would be in irrigation, also apply for various chemical plants to manage the path of different types of fluids. On the basis of detailed designs, Gate valve can be divided into several types. The solid wedge valve and flexible wedge are the most popular valves. There are many kinds of bendable wedge valve, which use double disc parts that are bendable. Parallel...
How a Gate Valve Functions Read
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