VAN CẦU HƠI VMV CHUẨN DIN PN25
SUPER DIN STANDARD BELLOWS SEALED GLOBE VALVE
VMV SUPER DIN CAST STELL BELLOW SEAL VALVE
Các tên gọi khác: VAN CẦU HƠI VMV CHUẨN DIN PN25, VAN CẦU HƠI VMV NỐI BÍCH ON25, VAN CẦU HƠI VMV CÔNG NGHIỆP, VAN CẦU HƠI VMV PN25, VAN CẦU VMV PN25
Application: Seam system, Hot oil system ，hot and cold water system etc.
Technical specification
- Design standard: DIN 3356
- Face to face dimension: DIN 3202
- Flanged ends: DIN 2543-2545
- Test & inspection: DIN 3230
Performance specification
|
Nominal Pressure |
PN |
||
|
Test Pressure |
Strength test |
1.5PN |
MPa |
|
Sealing test |
1.1PN |
||
|
Gas seal test |
0.6 |
||
|
Suitable temp |
-196℃~600℃ |
||
Main part materials
| NO. | Part name | Material |
| 1 | Body | 1.0619+N、1.4401 |
| 2 | Seat | 1.0619、1.4301、Stellite |
| 3 | Disc | 1.0619、1.4021、1.4401+ Stellite |
| 4 | Disc Cap | 1.0619、1.4021、1.4401 |
| 5 | Bellows Protection unit | 1.0619、1.4021、1.4401 |
| 6 | Stop Pin | 1.4021、1.4401 |
| 7 | Gasket | Flexible graphite + stainless steel |
| 8 | Bonnet | 1.0619+N、1.4401 |
| 9 | Nut | ASTM 194-2H、A194-8 |
| 10 | Bolt | ASTM 194-B7、A193-B8 |
| 11 | Bellows | 1.4301、1.4404、1.4571、HC |
| 12 | Stem | 1.4021、1.4401 |
| 13 | Stuffing Box | 1.0619+N、1.4401 |
| 14 | Packing | Flexible graphite |
| 15 | Strut | 1.4201 |
| 16 | Gland | 1.0619、1.4301 |
| 17 | Gland Sleeve | 1.4201、1.4301 |
| 18 | Jack Bolt | ASTM 194-B7、A193-B8 |
| 19 | Jack Nut | ASTM 194-2H、A194-8 |
| 20 | Handwheel | Carbon steel |
| 21 | Cap | ASTM 194-2H、A194-8 |
| 22 | Strut Nut | ASTM 194-2H、A194-8 |
| 23 | Spring gasket | CK60、1.4301 |
| 24 | Stem nut holder | 1.0619、1.4301 |
| 25 | Stem nut | Copper alloy、1.4201 |
