Pressure-Relief Valves for Cryogenic Liquids
Description
Pressure-Relief Valves for Cryogenic Liquids
| Valve Function | Pressure Relief |
|---|---|
| For Use With | Liquid Carbon Dioxide, Liquid Nitrogen, Liquid Oxygen |
| Activation | Pressure Driven |
| Inlet | |
| Pipe Size | 1/4 |
| Connection Type | Pipe |
| Pipe Connection Type | Threaded |
| Connection | NPT Male |
| Location | Bottom |
| Maximum Pressure | 600 psi |
| Relief Port | |
| Thread Size | 3/4"-20 |
| Connection Type | Pipe |
| Pipe Connection Type | Threaded |
| Connection | UNEF Female |
| Location | Top |
| Set Pressure Accuracy | ±5% |
| Set Pressure Configuration | Nonadjustable |
| Temperature Range | -320° to 165° F |
| Shape | Straight |
| Overall Height | 2 5/8" |
| Material | |
| Body | Brass |
| Valve Type | Relief |
| Flow Coefficient (Cv) | Not Rated |
| Specifications Met | CGA G-4.1 |
| RoHS | RoHS 3 (2015/863/EU) compliant with exemption 6(c) - Lead in copper alloy |
| REACH | Not Compliant |
| DFARS | Specialty Metals COTS-Exempt |
| Country of Origin | United States |
| USMCA Qualifying | No |
| Schedule B | 848140.0000 |
| ECCN | EAR99 |
Cleaned and bagged to meet CGA G-4.1 for oxygen service and other high purity applications, these valves are built to withstand the extreme cold of liquid carbon dioxide, liquid nitrogen, and liquid oxygen. They begin opening at the set pressure and fully open at about 10% over the set pressure. Valves begin closing as pressure drops and fully close when the system pressure is restored below the set pressure. Set pressure is not adjustable.
Valves are not intended for direct contact with cryogenic liquids. Risers (sold separately) are required to convert cryogenic liquids into gases before they contact the valve. 3/8 NPT valve requires a 1/2 NPT × 3/8 NPT bushing when using a riser.
Pressure-Relief Valves for Cryogenic Liquids
SKU: 49315K71-250
$120.45
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