Standard specification
|
Structure formation
|
BB-BG-OS & Y
|
|
Driving maner
|
Hand-operated
|
|
Electric-actuated
|
|
|
Design standard
|
DIN3356-82
|
|
Face to face dimension
|
DIN3202
|
|
Flange ends
|
DIN2543-2546
|
|
Test & inspection
|
DIN3230
|
Products performance specification
|
Nominal pressure(MPA)
|
Shell test(MPA)
|
Sealing test(MPA)
|
Suitable temp(℃)
|
Suitable medium
|
|
1.6
|
2.4
|
1.76
|
≤350℃
|
Water oil & gas
|
|
2.5
|
3.75
|
2.75
|
||
|
4.0
|
6.0
|
4.4
|
||
|
6.4
|
9.6
|
7.04
|
Main parts materials
|
NO.
|
Part name
|
Material
|
|
1
|
Body
|
GS-C25, CF8, CF3
|
|
2
|
Disc
|
F304, F306
|
|
3
|
Retaining Nut
|
25# , F304, F306
|
|
4
|
Stem
|
2Cr13, F304, F316
|
|
5
|
Gasket
|
Asbestos+Stainless steel, PTFE
|
|
6
|
Bolt
|
ASTM A193-B7, A193-B8, A193-B8M
|
|
7
|
Nut
|
ASTM A193-2H, A193-8, A193-8M
|
|
8
|
Packing
|
Flecible graphite, PTFE
|
|
9
|
Gland
|
25#, F304, F316
|
|
10
|
Pressure plat
|
GS-C25, CF8, CF3
|
|
11
|
Jack Bolt
|
ASTM A193-B7, A193-B8, A193-B8M
|
|
12
|
Nut
|
ASTM A193-2H, A193-8, A193-8M
|
|
13
|
Bonnet
|
GS-C25, CF8, CF3
|
|
14
|
Cap
|
25#
|
|
15
|
Hand wheel
|
Carbon steel
|
|
16
|
Stem nut
|
ZunZn25A116Fe3Mn2
|