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 | 90° Elbow |
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Connection Style Connection Style |
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| Push to Connect |
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| Compression |
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| Yor-Lok |
For Use With For Use With | Show |
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For Use With For Use With | Hide |
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Maximum Pressure Maximum Pressure |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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O-Ring Material O-Ring Material |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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For Tube Hardness For Tube Hardness |
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Release Sleeve Material Release Sleeve Material |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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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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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 1000° F
- Tubing: Use with seamless soft C276 nickel
- Specifications Met: ASME B31.3
With the best corrosion resistance of any metal tube fittings we offer, these C276 nickel Hastelloy fittings stand up to aggressive chemicals and resist pitting and cracking from stress. Also known as instrumentation fittings, they are made to tight tolerances for use in high-precision applications. They include a nut with two sleeves (ferrules). The sleeves bite into tubing as you tighten the nut, creating a strong, leak-resistant seal. Fittings are compatible with Swagelok®, Let-Lok, and A-Lok fittings.
For technical drawings and 3-D models, click on a part number.
Stainless Steel Push-to-Connect Tube Fittings for Chemicals
UN/UNF (SAE) Male
Threads with Gasket
- For Use With: Alcohol, Bleach, Lubricated Air, Nitric Acid, Sodium Carbonate, Sulfuric Acid
- Temperature Range: 0° to 175° F
- Tubing: Use with firm or hard (Durometer 80A-60D) FEP, polyethylene, or PTFE plastic
Fittings are 316 stainless steel, which has excellent chemical resistance and is more durable than plastic. Also known as instant fittings, they connect to tubing with a push, and an internal gripping ring and O-ring hold the tubing tight. Instead of a release ring, these fittings have a release sleeve that slides back to disconnect tubing.
Metric and UN/UNF (SAE) male threads have a gasket to protect against leaks. UN/UNF (SAE) threads are also known as O-ring boss threads.
For technical drawings and 3-D models, click on a part number.
UN/UNF (SAE) Male
Threads with Gasket
| For Tube OD | Pipe Size  | Thread Size | Thread Pitch, mm | Material | Gasket Material | Max. Pressure | Each | |
NPT Threads | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1/4" | 1/8 | __ | __ | 316 Stainless Steel | __ | 345 psi @ 72° F | 0000000 | 000000 |
| 1/4" | 1/4 | __ | __ | 316 Stainless Steel | __ | 345 psi @ 72° F | 00000000 | 00000 |
| 1/4" | 3/8 | __ | __ | 316 Stainless Steel | __ | 345 psi @ 72° F | 00000000 | 00000 |
| 1/4" | 1/2 | __ | __ | 316 Stainless Steel | __ | 345 psi @ 72° F | 00000000 | 00000 |
| 3/8" | 1/4 | __ | __ | 316 Stainless Steel | __ | 345 psi @ 72° F | 00000000 | 000000 |
| 3/8" | 3/8 | __ | __ | 316 Stainless Steel | __ | 345 psi @ 72° F | 00000000 | 000000 |
| 3/8" | 1/2 | __ | __ | 316 Stainless Steel | __ | 345 psi @ 72° F | 00000000 | 000000 |
| 1/2" | 1/4 | __ | __ | 316 Stainless Steel | __ | 345 psi @ 72° F | 00000000 | 000000 |
| 1/2" | 3/8 | __ | __ | 316 Stainless Steel | __ | 345 psi @ 72° F | 00000000 | 000000 |
| 1/2" | 1/2 | __ | __ | 316 Stainless Steel | __ | 345 psi @ 72° F | 0000000 | 000000 |
| 4mm | 1/8 | __ | __ | 316 Stainless Steel | __ | 345 psi @ 72° F | 0000000 | 00000 |
| 4mm | 1/4 | __ | __ | 316 Stainless Steel | __ | 345 psi @ 72° F | 00000000 | 00000 |
| 6mm | 1/8 | __ | __ | 316 Stainless Steel | __ | 345 psi @ 72° F | 00000000 | 00000 |
| 6mm | 1/4 | __ | __ | 316 Stainless Steel | __ | 345 psi @ 72° F | 00000000 | 00000 |
| 8mm | 1/8 | __ | __ | 316 Stainless Steel | __ | 345 psi @ 72° F | 00000000 | 00000 |
| 8mm | 1/4 | __ | __ | 316 Stainless Steel | __ | 345 psi @ 72° F | 00000000 | 00000 |
| 10mm | 1/4 | __ | __ | 316 Stainless Steel | __ | 345 psi @ 72° F | 00000000 | 00000 |
| 10mm | 3/8 | __ | __ | 316 Stainless Steel | __ | 345 psi @ 72° F | 00000000 | 00000 |
| 10mm | 1/2 | __ | __ | 316 Stainless Steel | __ | 345 psi @ 72° F | 00000000 | 00000 |
Metric Threads | ||||||||
| 1/4" | __ | M5 | 0.8 | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 00000000 | 00000 |
| 1/4" | __ | M7 | 1 | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 00000000 | 00000 |
| 1/4" | __ | M8 | 1 | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 00000000 | 00000 |
| 1/4" | __ | M10 | 1 | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 00000000 | 00000 |
| 3/8" | __ | M8 | 1 | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 00000000 | 00000 |
| 3/8" | __ | M10 | 1 | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 00000000 | 00000 |
| 1/2" | __ | M10 | 1 | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 0000000 | 000000 |
| 4mm | __ | M3 | 0.5 | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 0000000 | 00000 |
| 4mm | __ | M5 | 0.8 | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 00000000 | 00000 |
| 4mm | __ | M7 | 1 | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 00000000 | 00000 |
| 4mm | __ | M8 | 1 | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 00000000 | 00000 |
| 6mm | __ | M3 | 0.5 | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 00000000 | 00000 |
| 6mm | __ | M5 | 0.8 | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 00000000 | 00000 |
| 6mm | __ | M7 | 1 | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 00000000 | 00000 |
| 6mm | __ | M8 | 1 | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 00000000 | 00000 |
| 6mm | __ | M10 | 1 | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 00000000 | 00000 |
| 8mm | __ | M7 | 1 | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 00000000 | 00000 |
| 8mm | __ | M8 | 1 | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 0000000 | 00000 |
| 8mm | __ | M10 | 1 | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 00000000 | 00000 |
| 10mm | __ | M10 | 1 | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 00000000 | 00000 |
UN/UNF (SAE) Threads | ||||||||
| 1/4" | __ | 10-32 | __ | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 00000000 | 00000 |
| 4mm | __ | 10-32 | __ | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 0000000 | 00000 |
| 6mm | __ | 10-32 | __ | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 00000000 | 00000 |
| 8mm | __ | 10-32 | __ | 316 Stainless Steel | Viton® Fluoroelastomer Rubber | 345 psi @ 72° F | 00000000 | 00000 |
| For Tube OD (Inch) | For Tube OD (Metric), mm | Material | Max. Pressure | Each | |
| 1/4" | 6 | 316 Stainless Steel | 345 psi @ 72° F | 00000000 | 000000 |
| 1/4" | 8 | 316 Stainless Steel | 345 psi @ 72° F | 00000000 | 00000 |
| 3/8" | 8 | 316 Stainless Steel | 345 psi @ 72° F | 00000000 | 000000 |
| 3/8" | 10 | 316 Stainless Steel | 345 psi @ 72° F | 00000000 | 000000 |
| 1/2" | 10 | 316 Stainless Steel | 345 psi @ 72° F | 00000000 | 000000 |
| For Tube OD | Material | Max. Pressure | Each | |
| 1/4" | 316 Stainless Steel | 345 psi @ 72° F | 00000000 | 000000 |
| 3/8" | 316 Stainless Steel | 345 psi @ 72° F | 00000000 | 000000 |
| 1/2" | 316 Stainless Steel | 345 psi @ 72° F | 00000000 | 000000 |
| 4mm | 316 Stainless Steel | 345 psi @ 72° F | 00000000 | 00000 |
| 6mm | 316 Stainless Steel | 345 psi @ 72° F | 00000000 | 00000 |
| 8mm | 316 Stainless Steel | 345 psi @ 72° F | 00000000 | 00000 |
| 10mm | 316 Stainless Steel | 345 psi @ 72° F | 00000000 | 000000 |
Compression Fittings for Plastic Tubing—Chemicals
- For Use With: PFA Plastic: Hydrochloric Acid, Sulfuric Acid
PTFE Plastic: Alcohol, Ammonia, Benzoic Acid, Bleach, Bromine, Coolant, Fluoboric Acid, Hydrochloric Acid, Hydrofluoric Acid, Nitric Acid, Organic Solvents, Sodium Carbonate, Sulfuric Acid - Temperature Range: PFA Plastic: 0° to 350° F
PTFE Plastic: -40° to 185° F - Tubing: PFA Plastic: Use with hard (Durometer 50D-65D) PFA or PTFE plastic
PTFE Plastic: Use with hard (Durometer 60D) PFA or PTFE plastic
A sleeve (ferrule) compresses the tubing as you tighten the nut, creating a strong seal. The nut and sleeve are included. Fittings are also known as flareless fittings. Fittings that include a gripper sleeve on the tubing create an even tighter seal.
PTFE fittings are highly resistant to most acids, alcohols, detergents, and solvents. They’re made by machining. Their nut is made of PVDF, which is resistant to halogens such as chlorine and bromine, strong acids such as hydrofluoric and nitric acids, and organic solvents.
For technical drawings and 3-D models, click on a part number.
