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O-ring face seal hose fittings design

Date:Jun 18, 2019

O-ring face seal hose fittings is designed by ISO 12151-1 and SAE J516 section 18. Two standards is technically equivalent to the hose fittings.

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ISO 12151-1 Types of ORFS hydraulic hose fittings including as follows:

Male hose fitting, straight (S)

Female swivel hose fitting straight Styles A (SWSA) and B (SWSB)

Female swivel hose fitting 45° elbow [short (SWE45S) and medium (SWE45M)]

Female swivel hose fitting 90° elbow [short (SWES), medium (SWEM), long (SWEL)

Applications for short, medium and long ISO 12151-1 hose fittings

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The ORFS hose-fitting portion of a hose assembly shall be tested in accordance with ISO 19879, and the complete hose assembly shall be tested in accordance with ISO 6605.

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“Hose fittings with O-ring face seal ends conform to ISO 12151-1, Connections for hydraulic fluid power and general use–– Hose fittings Part 1: Hose fittings with ISO 8434-3 O-ring face seal ends.”

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Bibliography as follows:

[1] ISO 1436, Rubber hoses and hose assemblies — Wire-braid-reinforced hydraulic types for oil-based or water-based fluids — Specification

[2] ISO 3862, Rubber hoses and hose assemblies — Rubber-covered spiral-wire-reinforced hydraulic types for oil-based or water-based fluids — Specification

[3] ISO 3949, Plastics hoses and hose assemblies — Textile-reinforced types for hydraulic applications —Specification

[4] ISO 4038, Road vehicles — Hydraulic braking systems — Simple flare pipes, tapped holes, male fittings and hose end fittings

[5] ISO 4039-1, Road vehicles — Pneumatic braking systems — Part 1: Pipes, male fittings and tapped holes with facial sealing surface

[6] ISO 4039-2, Road vehicles — Pneumatic braking systems — Part 2: Pipes, male fittings and holes with conical sealing surface

[7] ISO 4079, Rubber hoses and hose assemblies — Textile-reinforced hydraulic types for oil-based or water-based fluids — Specification

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