Cryogenic Emergency cut-off Valve- An emergency shut-off device for cryogenic equipment such as cryogenic storage tanks or tank trucks. When the outside temperature is higher than 70士5°C, the emergency shut-off valve is automatically closed, the medium is cut off, and the tank or tank truck is protected. Suitable for LNG,LC2H4. Welding connection. The flow direction of the medium flows from the high side to the low side of the valve body.
Part No. : DJQA4001-00
Norminal Diameter: DN40
Design Pressure: 40Bar
Cylinder Source Pressure: 4-7Bar
Main Material: 304
Cylinder Assembly Material:Aluminum cast
Seal : PCTFE、PTFE
Design Temperature: -196~ 70士5%C
Fitting Details
Part Drawing
| Item | Part No. | Description |
| 1 | DJQA4001-01 | Body |
| 2 | 85984500M12 | Nut |
| 3 | DJQA4001-11 | Copper Washer |
| 4 | DJQA4001-12 | Seal |
| 5 | DJQA4001-13 | Pressure Plate |
| 6 | DJQA4001-15 | Pressure Plate Nut |
| 7 | 85988100M10*35 | Screw |
| 8 | DJQA4001-02-00 | Cap |
| 9 | DJQA4001-17 | Below Seal |
| 10 | DJQA4001-18 | Top Seal |
| 11 | 8531000022.4*1.8 | O-Ring |
| 12 | 8531000022.4*1.8 | O-Ring |
| 13 | 8531000020*1.8 | O-Ring |
| 14 | 8531000020*1.8 | O-Ring |
| 15 | DJQA4001-04 | Seal Cap |
| 16 | DJQA4001-26 | Spindle |
| 17 | DJQA4001-03 | Cap Fixture |
| 18 | DJQA4001-07-00 | Cylinder Assembly |
| 19 | DJQA4001-27 | Composite Bearing |
| 20 | DJQA4001-14 | Lockong Washer |
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