Blind Flange

A blind flange is a plate that has no opening to allow fluid to pass through. Thus, it can be used to block off the flow of liquid through a pipeline or to create a stop. The blind flange is typically used for pipeline maintenance or repair tasks.

Category:

Description

Types

ASME B16.5 and ASME B16.47 blind flanges

DIN 2634, DIN 2635, DIN 2630 and DIN 2636 blind flanges

 

Size

3/8″~100″

DN10~DN2500

 

Pressure

American standard series: CLASS 150, CLASS 300, CLASS 400, CLASS 600, CLASS 900, CLASS 1500, CLASS 2500

European standard series: PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40, PN 63, PN 100, PN 160, PN 250, PN 320, PN 400

 

Flange Facing Types

American series: Flat Face(FF), Raised Face(RF), Groove(G), Male and Female Face(MFM), Ring Joint(RJ)

 

Standard

GB/T9112-2000

GB/T9116 1-2000 GB/T9116 2-2000 GB/T9116 3-2000 GB/T9116 4-2000

GB/T9124-2000

SH/T3406-1996

GD2000 GD87-1101

HG/T20592-2009 HG/T20614-2009

HG/T20615-2009 HG/T20623-2009 HG/T20635-2009

ASME B16.5-2009

EN1092-1-2007 EN1759-1-2004

BS 1560-3 1-1989 BS 4504-3 1-1989

AFNOR NF E29-200-1-2007

ISO 7005-1-1992

AS2219-2000

JIS B2220-2004

 

Material

Carbon steel: A105

Alloy steel: A182F 1-F 2-F 5-F 9-F 10-F 91-F 92-F 122-F 911-F 11-F 12-F 21-F 22

Stainless steel: A182 304-304H-304L-304N-304LN 316-316H-316L-316N-316LN 321-321H-347-347H

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