Blind Flange is one type of forged flanges. Cause there is no bore in the middle of flange, it is called blind flange. Main materials are carbon steel, alloy steel and stainless steel. For carbon steel, ASTM A105 Blind Flange & A105N are required by most project. 304L,316L belong to stainless steel blind flange. The facing of blind flanges in common use is raised face(RF), flat face(FF) and ring type joint(RTJ). PN is a representation method of European standard flange. If customers mention 5K,10K,16K, it should be JIS standard flange. Forged blind flanges are widely used in many pipeline system.
600# blind flange
ANSI B16.5 blind flange
Forged Blind Flange
1.Type: blind(BL) Flange
3.Sealing Surface: RF FF RTJ
7.HS Code: 7307910000
8.Standard: ANSI, DIN, GB, JIS, GOST, BSW, En1092-1
9.Material: carbon steel A105
11.Manufacturing Way: Forging
13.End: Butt Welded
14.Transport Package: Plywooden Cases or Pallets or As per customer request
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Product Categories : Forged Flange > Blind Flange