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Chinese Manufacturers
Description
GB/T 9115.1-2000 PN6 RF - Steel pipe welding neck flanges with flat face or raised face
Bill of material
Flanges DN400-PN6 RF GB/T 9115.1-2000
IDNR
Ident number
DN
dia. of nominal
mm
A
outer dia. of steel tube;series I
mm
AII
outer dia. of steel tube;series II
mm
DD
outer dia. of flanges;DD=Capital d
mm
K
dia. of newel
mm
L
dia. of bolt
mm
N
amount of bolt
mm
M
bolt standard
D
hermetic face
mm
F
hermetic face
mm
C
thickness of flanges
mm
H
height of flanges
mm
NN
neck of flanges;series I
NNII
neck of flanges;series II
mm
S
neck of flanges;when DN>600.S is confirm by user
mm
H1
neck of flanges
mm
R
neck of flanges
mm