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Chinese Manufacturers
Description
GB/T9118.2-2000 PN20 RJ - Loose hubbed steel pipe flanges with welding neck collar with ring-joint face
Bill of material
Flanges DN125-PN20 RJ GB/T9118.2-2000
IDNR
Ident number
DN
dia. of nominal
mm
A
outer dia. of stee
mm
DD
outer dia. of flanges;
mm
K
dia. of newel
mm
L
dia. of bolt
mm
N
amount of bolt
mm
M
bolt standard
mm
GN
slot number
mm
J
hermetic face; min
mm
P
hermetic face
mm
E
hermetic face
6.350 mm
F
hermetic face
8.740 mm
R1
hermetic face
0.800 mm
C
thickness of flanges
mm
H
height of flanges
mm
NN
Dia. of flanges
mm
B
mm
R
mm
R2
mm
L1
I DN>=350 USER
mm
L2
II DN>=350 USER
mm
S
approximation; distance of two flanges
mm