Steel Pipe Blind Flange

Steel Pipe Blind Flange

Steel pipe blind flange has not hole in the middleand is used to block pipe ends. It has same function as welded caps but thesteel pipe blind flange can be disassembled at any time while a welded capcannot. The steel pipe blind flange is applied in many industries likechemistry and petrochemical, metallurgy, electricity, oil and gas. Its diameterranges between 3/8" and 80" and its nominal diameter between DN10 and DN2000. 

We have the American standard type CLASS 150, CLASS 300, CLASS 400, CLASS 600,CLASS 900, CLASS 1500 and also full face, raised face, tongue, groove, female, maleand ring joint. Besides, we supply the European standard type PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63 and PN 100 and also full face, raised face,tongue, groove, female, male and ring joint.

Raw Materials
Materialsavailable to produce steel pipe blind flange can be:
Carbon Steel: A105
Alloy Steel: A182 F 1-F 2-F 5-F 9-F 10-F 91-F 92-F 122-F 911-F 11-F 12-F 21-F22
Stainless Steel: A182 304-304H-304L-304N-304LN 316-316H-316L-316N-316LN321-321H 347-347H
Low Temperature Steel: A522 A707 Grade L 1-L 2-L 3-L 4-L 5-L 6-L 7-L 8
High Performance Steel: A694 F 42-F 46-F 48-F 50-F 52-F 56-F 60-F 65-F 70

Standard Available
Standardsavailable in our company for the steel pipe blind flange:
GB/T9112-2000
GB/T9123.1-2000 GB/T9123.2-2000 GB/T9123.3-2000 GB/T9123.4-2000
GB/T9124-2000
SH/T3406-1996
GD2000 GD87-1101
JB/T74-1994
JB/T75-1994
JB/T86.1-1994 JB/T86.2-1994
HG/T20592-2009 HG/T20614-2009
HG/T20615-2009 HG/T20623-2009 HG/T20635-2009
ASME B16.5-2009 ASME B16.47-2006
MSS SP 44-2006
CSA Z245.12-05-2005
EN1092-1-2007 EN1759-1-2004
DIN2527
BS1560-3.1-1989 BS4504-3.1-1989
AFNOR NF E29-200-1-2007
ISO7005-1-1992
AS2129-2000
JIS B2220-2004