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Compression Fittings

Compression Fittings. Internal nut type. Compression fittings. Rugged and durable. Firm joint using all brass construction For use with plastic and metal tubing Suitable for low and high operating temperatures Vacuum to high pressure Comprehensive range of sizes and forms

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Compression Fittings

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  1. Compression Fittings Internal nut type

  2. Compression fittings • Rugged and durable. • Firm joint using all brass construction • For use with plastic and metal tubing • Suitable for low and high operating temperatures • Vacuum to high pressure • Comprehensive range of sizes and forms • General purpose application

  3. Thread sizes (compression fittings) • Thread sizes range • R 1/8 , R 1/4 , R 3/8 , R 1/2 , R 3/4 • G 1/8 , G 1/4 , G 3/8 , G 1/2 , G 3/4 , G 1 • NPTF 1/8 , 1/4 , 3/8 , 1/2

  4. Tube sizes • The metric range 4, 5, 6, 8, 10, 12, 15, 16, 18, 22, 28 mm o/d • The inch range 1/8 , 5/32, 3/16, 1/4, 5/16, 3/8, 1/2, 5/8, 3/4 o/d

  5. Fitting parts • Tubing nut • Tubing sleeve • Tubing thread • Machined profile for forming the tubing sleeve on to the tube and making a seal • Fitting body

  6. Tube preparation

  7. 900 Tube preparation • For plastic tube use a standard tube cutter to give a square end • Ensure that the tube end is clean and free from surface damage • For metal tube use correct cutting equipment and ensure the tube end is free from burrs

  8. Tube assembly Internal nut compression fitting

  9. Tube assembly (compression fittings) • Place the tubing nut and sleeve on to the tube • Push the tube in up to the tube stop and hold it there • Screw the tubing nut until finger tight • With a spanner tighten the nut by 1 to 13/4 turns • Slacken off and pinch down again

  10. Tube assembly (compression fittings) • Place the tubing nut and sleeve on to the tube • Push the tube in up to the tube stop and hold it there • Screw the tubing nut until finger tight • With a spanner tighten the nut by 1 to 13/4 turns • Slacken off and pinch down again

  11. Tube assembly (compression fittings) • Place the tubing nut and sleeve on to the tube • Push the tube in up to the tube stop and hold it there • Screw the tubing nut until finger tight • With a spanner tighten the nut by 1 to 13/4 turns • Slacken off and pinch down again

  12. Tube assembly (compression fittings) • Place the tubing nut and sleeve on to the tube • Push the tube in up to the tube stop and hold it there • Screw the tubing nut until finger tight • With a spanner tighten the nut by 1 to 13/4 turns • Slacken off and pinch down again

  13. Tube assembly (compression fittings) • Place the tubing nut and sleeve on to the tube • Push the tube in up to the tube stop and hold it there • Screw the tubing nut until finger tight • With a spanner tighten the nut by 1 to 13/4 turns • Slacken off and pinch down again

  14. Tube assembly (compression fittings) • Place the tubing nut and sleeve on to the tube • Push the tube in up to the tube stop and hold it there • Screw the tubing nut until finger tight • With a spanner tighten the nut by 1 to 13/4 turns • Slacken off and pinch down again

  15. Tube assembly (compression fittings) • Place the tubing nut and sleeve on to the tube • Push the tube in up to the tube stop and hold it there • Screw the tubing nut until finger tight • With a spanner tighten the nut by 1 to 13/4 turns • Slacken off and pinch down again

  16. Tube assembly (compression fittings) • Pressure can then be applied

  17. Tube removal Internal nut compression fittings

  18. Tube removal (compression fittings) • Turn off and exhaust the pressure • Undo the tubing nut and pull out the tube • The tubing sleeve is permanently swaged to the tube • The joint can be made and remade many times • If the tube is cut to shorten it a new sleeve is required but the tubing nut can be reused

  19. Tube removal (compression fittings) • Turn off and exhaust the pressure • Undo the tubing nut and pull out the tube • The tubing sleeve is permanently swaged to the tube • The joint can be made and remade many times • If the tube is cut to shorten it a new sleeve is required but the tubing nut can be reused

  20. Tube removal (compression fittings) • Turn off and exhaust the pressure • Undo the tubing nut and pull out the tube • The tubing sleeve is permanently swaged to the tube • The joint can be made and remade many times • If the tube is cut to shorten it a new sleeve is required but the tubing nut can be reused

  21. Tube removal (compression fittings) • Turn off and exhaust the pressure • Undo the tubing nut and pull out the tube • The tubing sleeve is permanently swaged to the tube • The joint can be made and remade many times • If the tube is cut to shorten it a new sleeve is required but the tubing nut can be reused

  22. Selection from the range Compression fittings

  23. Adaptors (compression fittings) • Male straight adaptors R, G, and NPTF threads • Female straight adaptors • Male elbow adaptors • Male tee adaptors • Male side tee adaptors • Nippled adaptors male • Nippled adaptors female metric and G threads • Locknut and ring seal fixing ( Hobbs )Elbow adaptorsTee adaptorsStraight connectors

  24. Connectors (compression fittings) • Straight connectors • Elbow connectors • Tee connectors • Y connectors 45O • Stem elbows • Stem tees • Side stem tees • Bracketed fittingsStraight connectorsElbow connectorsY connectorsTee connectors

  25. Selection (compression fittings) • Reducing connector • Unequal connector(expanding) • Nippled connectors • Metric to inch adaptors • Nippled stem adaptors • Bulkhead adaptor and connectors • Plugs • Banjo bodies bolts and assemblies

  26. End

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