What is a membrane valve?
The
membrane valve is a control device that uses a flexible membrane to close or close the hole. Increasing or lowering the pressure on both sides of the membrane causes the valve to move its position. These valves are often used, among other things, in industries such as food processing, pharmaceutical production, mining and controlling of pollution. They can be made of different plastics and metals, depending on the application they will be used for.
Operating force for the diaphragm valve can come from different sources. A pneumatic membrane valve uses air pressure to open or close it. Sometimes the solenoid -kov component wrapped with a wire that can produce a magnetic field in the presence of electricity- is used to activate the valve. Other times it can be operated by hand. In addition, hydraulic pressure is also commonly used. The weir valves usually have ports directly against each other on the valve. This species is often used in the pipeline through kThe terra should be regulated by gas, fluid or sludge flow. Ports of straight valves are generally at 90 ° angles together. These can often be found at the bottom of the tank. When used in this way, they are referred to as tank valves and regulate drainage.
Some of these valves are used as membrane control valves . They are automated and used to limit the flow. Others are used as a control of the valve. They are usually in a closed position, but when the pressure is built from upstream from the valve, they open. Then they are automatically closed when the pressure drops.
Generally, the membrane valve uses the elastomer or the rubber substance. Some common materials are used, among other things, natural rubber, silicone rubber and nitrile. The body valve body can be made of metal or plastic. If the body is made of metal - either cast iron is used,Drive iron, stainless steel or carbon steel. If it is made of plastic, many materials can be used - such as polyvinyl chloride (PVC) or polypropylene (PP). 6 Many of these valves are often named for their use. They include two -way shut -off valve, sterile access ports and three -way deadleg valves.