Main characteristics and geometry
Unified parallel thread form – thread flank angle 60 degrees.
JIC 37 degrees (74 degree inclusive) angle NOT TO BE CONFUSED with the SAE J512 45 degree (90 degree inclusive) angle.
How it seals
Sealing is assured through contact of the mating male and female cones.
Main characteristics and geometry
Metric parallel thread form – thread flank angle 60 degrees.
SAE J2244 & BS EN ISO 6149 are fully interchangeable.
How it seals
Sealing is assured at the top of the female port through compression of the ‘o’ ring.
Next month
Next month, we will continue the theme of end termination identification by looking at NPT threads.
More information
The above information has been edited from course booklet for the British Fluid Power Association’s new training course titled ‘Small Bore Tubing Integrity Course – using twin ferrule compression fittings’. For more information about the new course and how you or your staff can enrol, please contact the Association at: info@bfpatrainingacademy.co.uk. For general enquiries, please contact: enquiries@bfpa.co.uk, or Tel: 01608 647900.