GB/T 9115.1-2000 PN20 RF - Steel pipe welding neck flanges with flat face or raised face - Chinese Manufacturers

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Company	Chinese Manufacturers
Description	GB/T 9115.1-2000 PN20 RF - Steel pipe welding neck flanges with flat face or raised face
Bill of material	Flanges DN100-PN20 RF GB/T 9115.1-2000
IDNR Ident number
DN dia. of nominal	100 100	mm
A outer dia. of steel tube;series I	114.3 114.3	mm
DD outer dia. of flanges;DD=Capital d	230 230	mm
K dia. of newel	190.5 190.5	mm
L dia. of bolt	18.0 18.0	mm
N amount of bolt	8 8	mm
M bolt standard	M16 M16
D hermetic face	157.5 157.5	mm
F hermetic face	2	mm
C thickness of flanges	24.0 24.0	mm
H height of flanges	76 76	mm
NN neck of flanges;series I	135 135
R neck of flanges	0 0	mm
B inner dia. of flanges;when DN>300 B is confirm by user	102.5 102.5	mm