|
Technical specificastion
|
Structural Formation |
BB-BG-OS & Y |
|
Driving Manner |
Hand-Operated |
|
Electric-Actuated |
|
Design Standard |
DIN3356 |
|
Face to Face |
DIN3202 |
|
Flange Ends |
DIN2543-2545 |
|
Test & Inspection |
DIN3230 |
Notes:The size of serial,valve connecting flange can be design according to customers reguirment.
Products performance specification
|
Nominal Pressure
(Mpa) |
Shell Test(Mpa) |
Sealing Test(Mpa) |
Suitable Temp(oC) |
Suitable Medium |
|
1.6 |
2.4 |
1.76 |
< 350 oC |
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, 1.7363, 1.4308, 1.4408, 1.4306, 1.4301 |
|
2 |
Disc |
ASTM A182-Gr.F6a F22 F304 F316 F321 F304L F316L |
|
3 |
Pin |
ASTM A182-Gr.F6a F22 F304 F316 F321 F304L F316L |
|
4 |
Stem |
ASTM A182-Gr.F6a F22 F304 F316 F321 F304L F316L |
|
5 |
Bellow assemble |
|
|
6 |
Bonnet |
GS-C25, 1.7363, 1.4308, 1.4408, 1.4306, 1.4301 |
|
7 |
Packing |
Flexible Graphite PTFE |
|
8 |
Gland |
GS-C25, 1.7363, 1.4308, 1.4408, 1.4306, 1.4301 |
|
9 |
Guide piece |
25, 45, 304, 316 |
|
10 |
Yoke nut |
ZQA19-4 |
|
11 |
Handwheel |
ASTM A536Gr.60-40-18 A216-WCB |
|
12 |
Bolt |
ASTM A193-B7 A193-B8 A193-B8M |
|
13 |
Nut |
ASTM A194-2H A194-8 A194-8M |
|
14 |
Gasket |
Flexible Graphite+stainless steel, PTFE |
|
