Hydraulic Fittings JIC Union

A type of flare fitting machined with a 37-degree flare seating seal defined by the SAE J514 and MIL-DTL-18866 standards under JIC (Joint Industry Council), also be same to the standard of ISO 8434-2 version 2005 dimension, it is an metal seal type by Nut, sleeve and fittings body.

Definition: A type of flare fitting machined with a 37-degree flare seating seal defined by the SAE J514 and MIL-DTL-18866 standards under JIC (Joint Industry Council), also be same to the standard of ISO 8434-2 version 2005 dimension, it is an metal seal type by Nut, sleeve and fittings body. Union type require tube end connections is the same JIC standard 37 deg flared fittings tube to tube.


1. Methods of JIC 37 flared tube fittings connection, male thread 37 deg flared connector will mate with two kind of female (Nut+Sleeve+Tube and Female Swivel Adapters or Hose assembly) show as chart:     

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2. Advantages of  JIC 37 deg Flared tube fittings as follows:

● Metal seal method perform excellent reliability, to remain leak free under hydraulic pneumatic lubrication systems, typical applications in Agricultural equipment, Process engineering.  

● Easy to assembly, from tube preparation good, installation space requirement excellent, field repair by Hand flaring. Tube compatibility from steel, stainless steel, copper and aluminium, available sizes Tube O.D from 6 to 50mm and 1/4˝ to 2˝.

● Most popular fittings for inch tube (metric tube on request), worldwide acceptance. Material is forged carbon steel, forged stainless steel, forged brass etc. 


4. Dimension&Tech data of 37 deg Flared Tube End Sizes (SAE J514/ISO 8434-2):

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Working pressures for 37° flared connections

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1. JIC Tube Fittings Union Straight 1J

201902221435574677384


2. JIC Tube Fittings Union 45°Elbow 1J4

201902221437186002949


3. JIC Tube Fittings Union Elbow 1J9

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4. JIC Tube Fittings 37 deg with O-ring Union Elbow 1J9-OR

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5. JIC Tube Fittings 37 deg with O-ring Union Straight 1J-OR

201902221439085349610


6. JIC Tube Fittings Bulkhead Straight Union 6J -LN

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7. JIC Tube Fittings Bulkhead 45 deg Elbow 6J4 -LN

201902221441244905994


8. JIC Tube Fittings Bulkhead Elbow Union 6J9 -LN

201902221442143283287


9. JIC Tube Fittings TEE Union AJ

201902221442543867444

201902221443357023533


10. JIC Tube Fittings Branch TEE Bulkhead Union AJ6JJ

201902221443588105846


11. JIC Tube Fittings Run TEE Bulkhead UnionAJJ6J

201902221444388376205


12. JIC Tube Fittings Cross Union XJ

201902221445077682915


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