Xinhai rubber check valve opens by inner pressure difference and closes by outer pressure. When in the forward work the tiny water pressure can open the valve and the pressure is greater the valve opening is larger. In the reverse working the valve...
A rubber-lined diaphragm valve is a valve that has its diaphragm lined with a rubber material. This type of valve is used in many applications such as sewage treatment, paper processing, mining minerals, power generation stations, steelworks, and chemical industries. The...