Model：D373H

Characteristic：

1. The valve body is made of public carbon steel or stainless steel. It has double advantages of metal hard seal and elastic seal, no matter in low temperature or high temperature.
All of them have excellent sealing performance, corrosion resistance and long service life.

2, the use of three eccentric seal structure, the seat and butterfly plate almost no wear, with the more tightly sealed function.

3. The sealing surface of the disc is welded with cobalt based cemented carbide. The sealing surface is wear resistant and has long service life.

4, large size butterfly plate adopts quilting structure, with high strength, large flow area and small flow resistance.

5. The valve has two way sealing function. It can be installed at multiple stations without any restriction on the flow direction of the medium. It is not affected by the location of the space. It can be installed in any direction.

Install.

Adoption of standards：

Manufacturing standard JB/T 8527-97

Flange standard GB9113-2000

Structure length standard GB12221-89

Test standard GB/T 13927-92