The valve, commonly utilized in water supply system, includes gate valve (screw thread, flange), globe valve (screw thread), check valve (screw thread, flange), butterfly valve, etc. Gate valve: Actuation of gate valve can be classified into clear bar, dark bar, manual, electric and motor. Gate...
Check valve allows medium to flow in one direction, stopping counter flowing. The valve operates automatically. With the pressure of fluids, the disc opens. When fluids counter flowing, pressure make disc coincide with base and cut off medium. Check valve is classified into swing check...
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...
The common utilized valves in heating system include globe valve, gate valve, butterfly valve, ball valve, check valve, safety valve, pressure reduction valve, pressure maintaining valve, balanced valve, regulating valve and other self-operating or electric regulating valve. Globe valve: Globe...
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...
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...
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 -...
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...
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...
Currently, a large amount of large desalination projects are being built in China. Valves are used as key devices for desalination project. Chloride may corrode equipments during desalination. Temperature of sea water has great influence on velocity of corrosion. The higher temperature is, the...