Valve body:CF8
Valve disc:304
Valve cover: CF8
Valve stem: 304
Main seal: PTFE OR PCTFE
Cylinder: Cast aluminium
Stents: Cast aluminium
Nominal pressure:4.0MPa
Design temperature:-196℃~+80℃
Applicable medium:LNG、LO2、LN2、LAr
Connection method:Insert welding
Nominal diameter: 20mm ~ 50mm
strength test pressure: 4.OMpa
Air tightness test pressure: 1 . 6Mpa
Direction of seal test pressure: 0 .4Mpa
Air pressure cylinder: 0 .4 ~ 0 . 6Mpa
Emergency cut-off temperature: +7o℃
Emergency cut-off time: <2 second
| MODEL | Main form and the connection size (mm) | ||||||||
| H | H1 | DO | D1 | D | B | W1 | W2 | M | |
| DJQ - 10 | 180 | 469 | Φ10 | Φ14.5 | Φ100 | 6 | 60 | Φ130 | Rc1/4 |
| DJQ - 15 | 184 | 471 | Φ15 | Φ18.5 | Φ100 | 6 | 65 | Φ130 | Rc1/4 |
| DJQ - 20 | 189 | 478 | Φ20 | Φ25.5 | Φ100 | 8 | 80 | Φ130 | Rc1/4 |
| DJQ - 25 | 240 | 530 | Φ25 | Φ32.5 | Φ100 | 8 | 90 | Φ130 | Rc1/4 |
| DJQ - 32 | 250 | 489 | Φ32 | Φ38.5 | Φ100 | 8 | 105 | Φ130 | Rc1/4 |
| DJQ - 40 | 227 | 567 | Φ40 | Φ45.5 | Φ125 | 8 | 120 | Φ160 | Rc1/4 |
| DJQ - 50 | 230 | 570 | Φ50 | Φ57.5 | Φ125 | 10 | 140 | Φ160 | Rc1/4 |