The role of the check valve is only allowed the medium to flow in one direction and prevent the medium from flowing in the opposite direction. Usually this kind of valve is operated automatically. Under the action of fluid pressure flowing in a direction, the valve petals are opened; when the fluid is flowing in the opposite direction, the self -overheating valve flap of the fluid pressure and the valve petals acts on the valve seat, thereby cutting the flow.

The check valve generally needs to be installed according to the correct installation method, otherwise it will affect the normal use, so what is the correct in

Before the valve is installed, the model and specification should be checked according to the design requirements, and the correct installation directio

Winter is low in northern temperatures, many chemical companies, oil companies and refiners need to make warm measures to the valve and the resident build

The Electric butterfly valve is a very common device for regulating flow regulation.. It is widely used and involves many fields, such as water flow regulation

Butterfly valve simple structure, small size, light weight, only by a few parts. And only need to rotate 90° can quickly open and close, simple operation, w