O-Ring Face Seal Fittings - Parker Seal-Lok

Flat Face Fittings



How Seal-Lok Works - Learn how Parker's ORFS fitting functions.

ORFS Assembly - Learn the proper way to prepare tube ends for use with Parker Seal-Lok fittings, and the correct way of assembling the ORFS connectons.

ORFS Troubleshooting - Got a leak? Learn how to find the cause, and the cure.

Seal-Lok Lite - combines the traditional versatility of Seal-Lok fittings with  adaptability to Parker's new Flex Flange product line. Link coming soon...

O-ring Face Seal Tube Fittings | Parker Seal-Lok | SAE J1453, ISO 8434-3

Parker O-ring face seal tube fittings are available at Hose & Fittings, Etc. Stores

Parker ORFS (Seal-Lok) Available Configurations

Parker ORFS (Flat Face) Fittings are available in the following configurations:

Seal-Lok tube fittings (also known as flat face, O-ring face seal or ORFS fittings) have been proven to be very effective in eliminating leakage at higher pressures found in today's hydraulic systems. Parker Seal-Lok fittings meet or exceed the requirements of SAE J1453 and ISO 8434-3.

Parker Seal-Lok fittings feature a captive O-ring groove (CORG) design for optimal sealing, and prevention of O-ring fall-out prior to final assembly.

Parker O-ring face seal tube fittings are available in steel, stainless steel and 316 stainless steel.

The Parker Seal-Lok tube fitting consists of a nut, a fitting body, an O-ring and a sleeve. In a Seal-Lok / flat face fitting, holding control is attained by a flat-faced flange on the end of the tube. As the nut is tightened onto the fitting body, the O-ring is compressed between the body and flat face of the tube flange, or braze sleeve, to form a tight, positive seal.

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