|Stainless Steel SO Flange|
Blind flanges, also known as blinds, are called flange covers. It is a flange with no holes in the middle for sealing pipe plugs. There are many types of sealing surfaces, including flat, convex, concave and convex surfaces, tongue and groove surfaces, and ring joint surfaces.
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plane (FF), protruding surface (RF), concave-convex surface (MFM), grooved surface (TG), ring connecting surface (RJ)
ASTM A182 F304、304L、 F316、316L、1Cr18Ni9Ti、0Cr18Ni9Ti、321、18-8
low price Stainless Steel Flanges