Our company produces the Rongneng brand LNG cryogenic refueling connectors, which include manual refueling connectors and pneumatic refueling connectors.
The standard connection thread is M36*2. If other connection sizes are required, please specify the dimensions and specifications when placing an order.
LNG Cryogenic Refueling Connector
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Pneumatic Refueling Connector |
Manual Refueling Connector |
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Ordinary type |
Safety type |
Ordinary type |
Safety type |
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Product Model |
LRNQ-25 |
LRNQ-25A |
LRNQZ-25 |
LRNQZ-25A |
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Instrument air pressure |
0.4-0.8Mpa |
None |
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Continuous operation time |
≥ 8h |
≤ 4h |
≥ 8h |
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Liquid spray accident |
It can happen under certain conditions. |
Eliminates liquid spill accidents—even if the refueling port is not closed, no liquid spill or injury incident will occur. |
It can happen under certain conditions. |
Eliminates liquid spill accidents—even if the refueling port is not closed, no liquid spill or injury incident will occur. |
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Operation steps |
1. Pull the button to refuel; 2. Press the button to retract the refueling connector. |
1. Pull the button to refuel; 2. Press the button to release pressure; 3. Press the unlock button, release the clamp, and retract the refueling connector. |
1. Push the handle forward to refuel; 2. Pull the handle backward to retract the refueling connector. |
1. Push the handle forward to refuel; 2. Pull the handle backward to release pressure; 3. Push the button outward to release the clamp, then continue pulling the handle backward to retract the refueling connector. |



