Cangzhou Hangsheng Flange&pipeline equipment Co.,Ltd
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Blind flange (blind disk) the formal name of flange cover, also called a blind flange. It is the middle flange without hole, used to seal the apertures. Of function and the head and the cap is the same, only the blind flange sealing is a removable sealing device, and the sealing head is not going to open. Sealing surface sort is more, in the form of a plane, convex and concave and convex surface, grooved surface and RTJ. Material is carbon steel, stainless steel, alloy steel, copper, aluminum, PVC, PPR, and so on.
Generally four types: forging, casting, cutting system, the plate casting. Of the forging product price, the highest times the plate, casting a minimum. The casting is one of the most time process. And medium plate of good, but the quality is forging parts to be slightly worse. Convex plate steel pipe flange cover