The difference between the plunger type check valve and the lift check valve
Lift check valve is to rely on the flow of the media itself and automatically open and close the valve flap, used to prevent media backflow valve, also known as check valve, one-way valve, counter flow valve, and back pressure valve. The check valve belongs to an automatic valve, whose main function is to prevent the backflow of medium, prevent the reverse of pump and drive motor, and release the container medium. The check valve can also be used to provide a supply to the auxiliary system where the pressure may rise above the system pressure. The check valve can be mainly divided into swing check valve (rotating by gravity center) and lift check valve (moving along the axis).Hope to be of some help to you!
The two elastic seals are separated by a collar and secured to the sealing ring around the plunger by the load exerted by the valve cover nut on the valve cover. Elastic ring can be replaced, you can use a variety of materials, the valve is mainly used for "open" or "off", but with a special form of plunger or special ring can also be used to adjust flow.
Standard light valve professionals to answer for you,The plunger type check valve is a variant of a conventional stop valve. In this valve, the disc and valve seat are usually designed on the basis of the plunger principle. The disc is polished into a plug and is connected to the valve stem. The seal is made of two elastic sealing rings attached to the plunger.
