Technical data
|
PN(MPA) Nominal Pressure |
Testing Pressure(MPa) |
|||
|
Shell |
Sealing(Liquid) |
Sealing(Gas) |
On sealing |
|
|
1.6 |
2.4 |
1.8 |
0.6 |
1.8 |
|
2.5 |
3.8 |
2.8 |
0.6 |
2.8 |
|
4.0 |
6.0 |
4.4 |
0.6 |
4.4 |
Applicable
|
Shell material |
Suitable medium |
Suitable temperatured |
|
Carbon steel |
Water,steam,oil |
¡Ü425 |
|
Ti-Cr-Ni steel |
Nitric acid |
¡Ü200 |
|
Ti-Cr-Ni-Mo steel |
Acetic acid |
¡Ü200 |
|
Ti-Mo steel |
Water,steam,oil |
¡Ü500 |
Material of main parts
| Valve bodyValve cover | Gate board,seat | Stem | Stem nut | Padding | Handwheel |
| Carbon steel | Quality carbon steel + carbide alloy or stainless steel | Chrome stainless steel | Aluminumbronze | Graphite asbestos packing | Malleable iron ductile Iron |
| Ti-Cr-Ni steel | stainless steel,stainless steelor carbide alloy | Ti-Cr-Ni steel | Aluminumbronze | Baptist PTFE | Malleable iron ductile Iron |
| Ti-Cr-Mo steel | stainless steel,stainless steelor carbide alloy | Ti-Cr-Ni steel | Aluminumbronze | Asbestos packing | Malleable iron ductile Iron |
| Cr-Mo steel | Alloy Steel+carbide alloy | Aluminum bronze | Aluminumbronze | Flexible Graphite Filled PTFE (abti-S series) | Malleable iron ductile Iron |