This cryogenic seal is used for LNG filling gun connectors. It keeps good elasticity at -196℃, resists thermal shock from alternating low temperature and normal temperature. It solves leakage risk during repeated plugging and pulling of cryogenic filling joints.
Product specifications and parameters
| Product Specifications | Product Parameters | ||
| Material | low-temperature modified PTFE + cryogenic stainless steel spring | Temperature | -200℃ ~ 80℃ |
| Common height | 4.5mm, 4.8mm | Pressure | ≤ 25 MPa |
| Structure | face contact energized seal | Cycle | thousands of plug-in cycles |
| Fit | LNG filling nozzle, liquid nitrogen transfer joint | Medium | liquefied natural gas, liquid nitrogen |
Structure and Details
| Weight | Applicable medium | Maximum injection pressure | Maximum working pressure | Add flow rate annotation | Working temperature | Connection method |
| 6g | LNG, LN2 | 1.7 MPa | 3.0 MPa | 225L/min | -196 ± 50℃ | Quick connection |




