Large diameter face seal for rotary joints of petroleum and chemical loading arms

Loading Arm Seals

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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 sea	Cycle	thousands of plug-in cycles
Fit	LNG filling nozzle, liquid nitrogen transfer joint	Medium	liquefied natural gas, liquid nitrogen

Structure and Details

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