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About Measuring Fittings
Measure the threaded ends of your fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.
Front and Back Sleeves for Ultra-Corrosion-Resistant
Yor-Lok Fittings for Nickel Alloy Tubing

- For Use With: Acetic Acid, Air, Bleach, Cutting Oil, Diesel Fuel, Formic Acid, Fuel Oil, Gasoline, Hydraulic Fluid, Iron Chlorides, Mineral Oil, Salt Water, Steam, Water
- Temperature Range: 0° to 1,000° F
- Tubing: Use with seamless soft C276 nickel
- Specifications Met: ASME B31.3
- Compatible With: Let-Lok, Parker A-Lok, Swagelok®
Use these C276 nickel Hastelloy sleeves with Yor-Lok nuts and fittings to create a strong, leak-resistant seal. With the best corrosion resistance of any Yor-Lok sleeves we offer, they stand up to aggressive chemicals and resist pitting and cracking from stress. They are also known as ferrules.
Front and Back Sleeves for Acid-Resistant
Yor-Lok Fittings for Nickel Alloy Tubing

- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Hydrofluoric Acid, Mineral Oil, Salt Water, Steam, Sulfuric Acid, Water
- Temperature Range: -325° to 900° F
- Tubing: Use with seamless soft 400 Nickel
- Specifications Met: ASME B1.20.1, ASME B31.1, ASTM B164, ASTM B564
- Compatible With: Let-Lok, Parker A-Lok, Swagelok®
Use these 400 nickel Monel sleeves with Yor-Lok nuts and fittings to create a strong, leak-resistant seal. They have the corrosion resistance to handle hydrofluoric and sulfuric acid. They are also known as ferrules.

























