在线无码看黄片,国产精品精品自在线拍,欧美亚洲日韩在线观看,国产青草视频免费视频,久久久久久久Aⅴ无码免费网站,久久精品这里热有精品

current location: Home   >> Product   >> Pneumatic valve >> Pneumatic butterfly valve

Pneumatic large-bore butterfly valve

詳情介紹

The product description

Pneumatic large diameter butterfly valve structure is simple, small volume, light weight, only by a few parts. It can be opened and closed quickly by rotating only 90°, which is easy to operate. At the same time, the electric valve has good fluid control characteristics. When the butterfly valve is in the fully open position, the thickness of the butterfly plate is the only resistance when the medium flows through the valve body, so the pressure drop generated by the valve is small, so it has better flow control characteristics. Butterfly valve has a bomb seal and metal seal two types of seal. Resilient sealing valve, sealing ring can be embedded in the body or attached to the disc around.