欧美日韩精品在线国产_日韩无码播放第二区_嘟嘟嘟www免费高清在线中文_老翁真厉害不倒枪_伊人久久丁香色婷婷_国产成人亚洲综合A∨小说_亚洲电影 一区二区三区_最新亚洲成人av_超碰免费黄色网站_国产在线综合精品无码

Product model: D373W/H
Nominal Path: DN40~2000mm
Nominal pressure: PN0.6-4.0 MPa
Applicable temperature: - 29 ~ 425 C
Applicable media: water, steam, oil, etc.
Valve body material: carbon steel, stainless steel
Seat Material: Stainless Steel, Stellite Alloy, Tungsten Carbide, Nickel Alloy, Monel
Valve plate material: carbon steel, stainless steel, alloy steel
Connection mode: pair clamp type
Driving mode: worm gear drive, electric, pneumatic and hydraulic

Product performance

1. The valve adopts a three-eccentric sealing structure. The seat and butterfly plate hardly wear and tear. It has the sealing function of tighter and tighter.

2. The valve body is made of stainless steel, which has the double advantages of metal hard seal and elastic seal. It has excellent sealing performance, corrosion resistance and long service life, no matter at low temperature and high temperature.

3. Cobalt-based cemented carbide is surfacing welded on the sealing surface of butterfly plate. The sealing surface is wear-resistant and has a long service life.

4. Large size butterfly plate adopts quill structure, which has high strength, large overflow area and small flow resistance.

5. The valve has two-way sealing function. It can be installed in any direction without restriction of medium flow direction or influence of space position.

6. The driving device can be installed at multiple stations (rotating 90 or 180 degrees) for user's convenience.