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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.
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Front and Back Sleeves for Yor-Lok
Fittings for Stainless Steel Tubing
- For Use With: Air, Cutting Oil, Fuel Oil, Gasoline, Hydraulic Fluid, Mineral Oil, Natural Gas, Steam, Water
- Temperature Range: -420° to 1200° F
- Tubing: Use with seamless or welded 304/304L or 316/316L stainless steel that meets ASTM A213, ASTM A249, or ASTM A269
- Compatible With: Let-Lok, Parker A-Lok, Swagelok®
Use these sleeves with Yor-Lok nuts and fittings to create an extra-strong seal on stainless steel tubing. Sleeves are 316 stainless steel for excellent corrosion resistance. They are also known as ferrules.
For technical drawings and 3-D models, click on a part number.
For Tube | |||||
|---|---|---|---|---|---|
| OD | Wall Thick. | Sleeve Material | Max. Pressure | Each | |
| 1/16" | 0.02" | 316 Stainless Steel | 9,000 psi @ 72° F | 00000000 | 00000 |
| 1/8" | 0.035" | 316 Stainless Steel | 6,000 psi @ 72° F | 00000000 | 0000 |
| 3/16" | 0.035" | 316 Stainless Steel | 5,500 psi @ 72° F | 00000000 | 0000 |
| 1/4" | 0.035" | 316 Stainless Steel | 4,000 psi @ 72° F | 00000000 | 0000 |
| 5/16" | 0.035" | 316 Stainless Steel | 3,000 psi @ 72° F | 00000000 | 0000 |
| 3/8" | 0.035" | 316 Stainless Steel | 2,500 psi @ 72° F | 00000000 | 0000 |
| 1/2" | 0.035" | 316 Stainless Steel | 2,000 psi @ 72° F | 00000000 | 0000 |
| 5/8" | 0.049" | 316 Stainless Steel | 2,000 psi @ 72° F | 00000000 | 0000 |
| 3/4" | 0.049" | 316 Stainless Steel | 2,000 psi @ 72° F | 00000000 | 0000 |
| 1" | 0.065" | 316 Stainless Steel | 1,500 psi @ 72° F | 00000000 | 00000 |
| 3mm | 0.5mm | 316 Stainless Steel | 4,000 psi @ 72° F | 00000000 | 0000 |
| 4mm | 1mm | 316 Stainless Steel | 3,500 psi @ 72° F | 00000000 | 0000 |
| 6mm | 1mm | 316 Stainless Steel | 4,000 psi @ 72° F | 00000000 | 0000 |
| 8mm | 1mm | 316 Stainless Steel | 3,000 psi @ 72° F | 00000000 | 0000 |
| 10mm | 0.5mm | 316 Stainless Steel | 2,500 psi @ 72° F | 00000000 | 0000 |
| 12mm | 0.5mm | 316 Stainless Steel | 2,000 psi @ 72° F | 00000000 | 0000 |
| 14mm | 1.5mm | 316 Stainless Steel | 2,000 psi @ 72° F | 00000000 | 0000 |
| 16mm | 2mm | 316 Stainless Steel | 2,000 psi @ 72° F | 00000000 | 0000 |
| 22mm | __ | 316 Stainless Steel | 2,000 psi @ 72° F | 00000000 | 00000 |
PTFE Sleeves for Yor-Lok Fittings
- For Use With: Air, Cutting Oil, Fuel Oil, Gasoline, Hydraulic Fluid, Mineral Oil, Water
- Temperature Range: -65° to 350° F
- Tubing: Use with firm or hard acetal plastic, EVA plastic, HDPE plastic, nylon plastic, PEEK plastic, polycarbonate plastic, polyethylene plastic, polypropylene plastic, PTFE plastic, PVC plastic, PVDF plastic, or THV plastic
- Compatible With: Let-Lok, Parker A-Lok, Swagelok®
Made of plastic, these sleeves create a strong seal without damaging tubing.
For technical drawings and 3-D models, click on a part number.
| For Tube OD | Sleeve Material | Each | |
| 1/16" | PTFE Plastic | 00000000 | 000000 |
| 1/8" | PTFE Plastic | 00000000 | 0000 |
| 3/16" | PTFE Plastic | 00000000 | 0000 |
| 1/4" | PTFE Plastic | 00000000 | 0000 |
| 5/16" | PTFE Plastic | 00000000 | 0000 |
| 3/8" | PTFE Plastic | 00000000 | 0000 |
| 1/2" | PTFE Plastic | 00000000 | 0000 |
| 5/8" | PTFE Plastic | 00000000 | 00000 |
| 3/4" | PTFE Plastic | 00000000 | 00000 |
| 1" | PTFE Plastic | 00000000 | 00000 |
Front and Back Sleeves for Extreme-Pressure
Yor-Lok Fittings for Stainless Steel Tubing
- For Use With: Air, Cutting Oil, Fuel Oil, Hydraulic Fluid, Mineral Oil, Natural Gas, Water
- Temperature Range: -420° to 1,000° F
- Tubing: Use with seamless 316/316L stainless steel
- Specifications Met: ANSI/ASME B31.3
Use these sleeves with extreme-pressure yor-lok nuts and fittings to create an extra-strong seal on stainless steel tubing. Sleeves are 316 stainless steel for excellent corrosion resistance. They are also known as ferrules.
For technical drawings and 3-D models, click on a part number.
Front and Back Sleeves for
Yor-Lok Fittings for Copper Tubing
- For Use With: Air, Cutting Oil, Diesel Fuel, Fuel Oil, Gasoline, Hydraulic Fluid, Mineral Oil, Water
- Temperature Range: -40° to 400° F
- Tubing: Use with seamless copper
- Specifications Met: ANSI/ASME B31.3
- Compatible With: Let-Lok, Parker A-Lok, Swagelok®
Use these sleeves with Yor-Lok nuts and fittings to create an extra-strong seal on copper tubing. Sleeves are brass for good corrosion resistance. They are also known as ferrules.
For technical drawings and 3-D models, click on a part number.
| For Tube OD | Sleeve Material | Front Sleeve Lg. | Back Sleeve Lg. | Max. Pressure | Each | |
| 1/16" | Brass | 3/32" | 1/16" | 5,400 psi @ 72° F | 00000000 | 00000 |
| 1/8" | Brass | 3/16" | 3/32" | 2,900 psi @ 72° F | 00000000 | 0000 |
| 3/16" | Brass | 3/16" | 3/32" | 2,300 psi @ 72° F | 00000000 | 0000 |
| 1/4" | Brass | 3/16" | 3/32" | 1,600 psi @ 72° F | 00000000 | 0000 |
| 5/16" | Brass | 3/16" | 3/32" | 1,300 psi @ 72° F | 00000000 | 0000 |
| 3/8" | Brass | 3/16" | 3/32" | 1,000 psi @ 72° F | 00000000 | 0000 |
| 1/2" | Brass | 19/64" | 5/32" | 800 psi @ 72° F | 00000000 | 0000 |
| 5/8" | Brass | 19/64" | 5/32" | 900 psi @ 72° F | 00000000 | 0000 |
| 3/4" | Brass | 19/64" | 5/32" | 700 psi @ 72° F | 00000000 | 0000 |
| 1" | Brass | 3/8" | 13/16" | 800 psi @ 72° F | 00000000 | 00000 |
Front and Back Sleeves for
Yor-Lok Fittings for Steel Tubing
- For Use With: Air, Mineral Oil, Fuel Oil, Gasoline, Diesel Fuel, Cutting Oil, Hydraulic Fluid
- Temperature Range: -20° to 800° F
- Tubing: Use with seamless steel
- Specifications Met: ANSI/ASME B31.3
- Compatible With: Let-Lok, Parker A-Lok, Swagelok®
Use these sleeves with Yor-Lok nuts and fittings to create an extra-strong seal on steel tubing. They are also known as ferrules.
Zinc-plated steel sleeves have fair corrosion resistance. 316 stainless steel sleeves have excellent corrosion resistance.
For technical drawings and 3-D models, click on a part number.
For Tube | ||||||
|---|---|---|---|---|---|---|
| OD | Wall Thick. | Front Sleeve Material | Back Sleeve Material | Max. Pressure | Each | |
| 1/8" | 0.035" | Zinc-Plated Steel | Zinc-Plated Steel | 6,800 psi @ 72° F | 00000000 | 00000 |
| 3/16" | 0.035" | Zinc-Plated Steel | Zinc-Plated Steel | 6,700 psi @ 72° F | 00000000 | 0000 |
| 1/4" | 0.035" | Zinc-Plated Steel | 316 Stainless Steel | 4,900 psi @ 72° F | 00000000 | 0000 |
| 5/16" | 0.035" | Zinc-Plated Steel | 316 Stainless Steel | 3,800 psi @ 72° F | 00000000 | 0000 |
| 3/8" | 0.035" | Zinc-Plated Steel | 316 Stainless Steel | 3,100 psi @ 72° F | 00000000 | 0000 |
| 1/2" | 0.035" | Zinc-Plated Steel | 316 Stainless Steel | 2,300 psi @ 72° F | 00000000 | 0000 |
| 5/8" | 0.035" | Zinc-Plated Steel | 316 Stainless Steel | 1,800 psi @ 72° F | 00000000 | 00000 |
| 3/4" | 0.049" | Zinc-Plated Steel | 316 Stainless Steel | 2,200 psi @ 72° F | 00000000 | 00000 |
| 1" | 0.065" | Zinc-Plated Steel | 316 Stainless Steel | 2,100 psi @ 72° F | 00000000 | 00000 |
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: ANSI/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.
For technical drawings and 3-D models, click on a part number.
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: ANSI/ASME B31.3
- 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.
For technical drawings and 3-D models, click on a part number.