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Company
Chinese Manufacturers
Description
HG/T 20592-2009 SO PN6 RF - Flat welding flange with neck
Bill of material
HG/T 20592 Flange SO50-6 RF
DN
Nominal size
mm
PN
Nominal pressure
6 bar
A1
Outer diameter of steel pipe
D
Flange outer diameter
mm
K
Center circle diameter of bolt hole
mm
L
Bolt hole diameter
mm
N
Number of bolt holes
TH
Bolt
C
thickness
mm
B1
Flange inner diameter
N1
Flange neck
mm
R
4 mm
H
Flange height
mm
SST
Sealing surface type
RF : Raised face
DD
d
mm
F1
f1
2 mm
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