Standard specification
|
Structure formation
|
BB-BG-OS & Y
|
|
Design standard
|
DIN3356
|
|
Face to face
|
DIN3202-F1
|
|
Flange ends
|
DIN2531-2545
|
|
Test & inspection
|
DIN3230
|
Main parts material
|
Parts name
|
Carbon steel
|
Stainless steel
|
|
Body
|
GS-C25, WCB
|
austenite stainless steel
|
|
Bonnet
|
GS-C25, WCB
|
austenite stainless steel
|
|
Net
|
SS304
|
austenite stainless steel
|
|
Bolt
|
B7
|
1Cr18Ni9Ti
|
|
Nut
|
2H
|
1Cr18Ni9Ti
|
|
Seal completely Mat slice
|
Flexible graphite +SS304
|
Flexible graphite+SS304
|