When the medium flow in accordance with the prescribed direction, the disc by the role of the medium force, is opened; when the medium countercurrent, because the disc weight and disc by the role of the dielectric anti-force, so that the disc and the sealing surface of the seat is closed to close, to prevent the media countercurrent.
Add: No.69, Xikang South Road, Dafeng Economic Development Zone, Yancheng City, Jiangsu Province
Our company was founded in 1998, covers an area of 33751 square meters, construction area of 15800 square meters. Company has sophisticated valve R & D, design, sales, management and service team
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