The stainless steel check valve has a hinge mechanism, and the valve like valve is freely placed on the inclined seat surface. To ensure that the disc can reach the proper location of the seat surface every time, the disc is designed at the hinge mechanism, enabling the valve flap to have enough screwing space and make the disc contact with the valve seat thoroughly. The valve seat of the lift check valve is located on the seat sealing surface of the valve body.

In addition to lifting the valve flap freely, the rest part is like the stainless steel check valve. The fluid pressure makes the disc lift from the sealing surface of the valve seat, and the return of the medium causes the disc to return to the valve seat, and it can cut off the flow. Like cut-off valves, the flow of the fluid through the stainless steel check valve is also narrow, and the flow of the stainless steel check valve is limited.