ONE. Product Overview

Lift check valve: disc along the vertical center line of the valve body slide check valve, internal thread check valve can only be installed in horizontal pipe, in high pressure small diameter check valve disc can be used ball. The structure is similar to the globe valve, and the valve body and disc are the same as the globe valve. The upper part of the valve disc and the lower part of the valve cover are processed with a guide sleeve, the valve disc guide sheet can be free to rise and fall in the valve lamp guide sheet, when the medium downstream, the valve disc by the medium thrust open, when the medium stop flow, the valve disc by vertical landing on the seat, prevent the medium countercurrent effect.

Two. product performance characteristics

1, when the medium according to the specified direction of flow, the valve disc by the medium force, is opened when the medium countercurrent, due to the weight of the valve disc and the valve disc by the medium reverse force, the sealing surface of the valve disc and the valve seat close and close, to prevent the medium countercurrent purpose.

2. The sealing surface of valve body and disc is made of stainless steel.