Yor-Lok Tube-to-Pipe Fittings

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1,156 Products

How to Identify and Measure Fittings

Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.

Yor-Lok Fittings for Stainless Steel Tubing

Use these fittings at pressures up to 9,700 psi. Also known as instrumentation fittings, they are made to tight tolerances for use in high-precision applications. They are compatible with Swagelok®, Let-Lok, and Parker A-Lok fittings.

Cleaned and Bagged Yor-Lok
Fittings for Stainless Steel Tubing

For applications that require an extra level of cleanliness, these fittings are individually bagged to prevent contamination.

Nuts for Yor-Lok Fittings for Stainless Steel Tubing

Front and Back Sleeves for Yor-Lok
Fittings for Stainless Steel Tubing

Couple these sleeves with Yor-Lok nuts and fittings to create an extra-strong seal on stainless steel tubing.

Tube Supports for Yor-Lok Fittings

Use with soft plastic tubing to prevent the tube from collapsing.

PTFE Sleeves for Yor-Lok Fittings

Made of plastic, these sleeves create a strong seal without damaging tubing.

Extreme-Pressure Yor-Lok
Fittings for Stainless Steel Tubing

These fittings have the highest pressure rating of all the Yor-Lok tube fittings we offer.

Nuts for Extreme-Pressure Yor-Lok
Fittings for Stainless Steel Tubing

Front and Back Sleeves for Extreme-Pressure
Yor-Lok Fittings for Stainless Steel Tubing

Yor-Lok Fittings for Steel Tubing

These fittings have two sleeves for extra gripping power. They bite into steel tubing as you tighten the nut to form a strong seal.

Nuts for Yor-Lok Fittings for Steel Tubing

Front and Back Sleeves for
Yor-Lok Fittings for Steel Tubing

Yor-Lok Fittings for Copper Tubing

Nuts for Yor-Lok Fittings for Copper Tubing

Front and Back Sleeves for
Yor-Lok Fittings for Copper Tubing

Use these sleeves with Yor-Lok nuts and fittings to create an extra-strong seal on copper tubing.

Tube Supports for Yor-Lok Fittings
for Copper Tubing

Tube Fittings for Nickel Alloy Tubing

Ultra-Corrosion-Resistant Yor-Lok
Fittings for Nickel Alloy Tubing

With the best corrosion resistance of any metal fitting we offer, these Hastelloy fittings will stand up to aggressive chemicals and are resistant to pitting and stress cracking. Also known as instrumentation fittings, they include a nut with two sleeves.

Front and Back Sleeves for
Ultra-Corrosion-Resistant
Yor-Lok Fittings for Nickel Alloy Tubing

Nuts for Ultra-Corrosion-Resistant
Yor-Lok Fittings for Nickel Alloy Tubing

Acid-Resistant Yor-Lok
Fittings for Nickel Alloy Tubing

These Monel fittings have the corrosion resistance to handle hydrofluoric and sulfuric acid. Also known as instrumentation fittings, they include a nut with two sleeves.