Connection Style Connection Style | Show |
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 | Quick Turn |
Connection Style Connection Style | Hide |
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| Threaded |
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| Push to Connect |
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| Barbed |
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| Socket Connect |
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| Flared |
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| Yor-Lok |
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| Compression |
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| Butt Weld |
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| Quick Clamp |
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| Quick Disconnect |
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| Quick Turn |
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| Flanged |
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| Gasket |
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| Clamp On |
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| O-Ring Face Seal |
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| Screw On |
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| Quick Connect |
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| Claw Clamp |
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Connection Type Connection Type | Show |
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 | Tube |
Material Material |
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Thread Type Thread Type |
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For Use With For Use With |
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Length Length |
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Flow Control Flow Control |
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For Tube Material For Tube Material |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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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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Maximum Vacuum Maximum Vacuum |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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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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Stainless Steel Quick-Turn Tube Couplings for Air
Made of stainless steel, these couplings stand up to wet environments. Also known as luer lock couplings, they consist of a plug and socket (sold separately) that connect with a half turn. They have a compact body, so they’re easy to fit in tight spaces. Plugs and sockets are open-flow style, so there is no shut-off valve to stop the flow when the coupling is separated. They have a universal connection, so the plugs will connect to any of the sockets, regardless of the pipe or tube size.
303 stainless steel couplings have very good corrosion resistance. 316 stainless steel couplings have excellent corrosion resistance.
Note: For a complete coupling, order a plug and a socket.
For technical drawings and 3-D models, click on a part number.
- Temperature Range: 32° to 300° F
- Tubing: Use with soft or firm (Durometer 35A-95A) polyurethane rubber, PVC Plastic or silicone rubber
Barbed plugs and sockets insert into tubing and secure with a clamp.
- Temperature Range: 32° to 300° F
- Temperature Range: 32° to 300° F
- Tubing: Use with soft or firm (Durometer 35A-95A) polyurethane rubber, PVC plastic or silicone rubber
Barbed plugs and sockets insert into tubing and secure with a clamp.
- Temperature Range: 32° to 300° F
303 Stainless Steel | 316 Stainless Steel | ||||||
|---|---|---|---|---|---|---|---|
| Pipe Size | Thread Size | Thread Pitch, mm | Max. Pressure | Each | Each | ||
NPT Threads | |||||||
| 1/8 | __ | __ | 30 psi @ 72° F | 000000 | 00 | 0000000 | 000000 |
| 1/4 | __ | __ | 30 psi @ 72° F | 000000 | 00 | 0000000 | 00000 |
Metric Threads | |||||||
| __ | M6 | 1 | 30 psi @ 72° F | 0000000 | 000000 | 0000000 | 00000 |
UN/UNF (SAE Straight) Threads | |||||||
| __ | 10-32 | __ | 30 psi @ 72° F | 000000 | 00 | 0000000 | 00000 |
| __ | 1/4"-28 | __ | 30 psi @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
- Temperature Range: 32° to 300° F
316 Stainless Steel | ||
|---|---|---|
| Max. Pressure | Each | |
| 30 psi @ 72° F | 0000000 | 000000 |
Brass Quick-Turn Tube Couplings for Air
An all-brass body gives these couplings better strength and durability than plastic quick-turn couplings. They have a nickel plating for extra protection against corrosive environments. Also known as luer lock couplings, they consist of a plug and socket (sold separately) that connect with a half turn. They have a compact body, so they’re easy to fit in tight spaces. Plugs and sockets are open-flow style, so there is no shut-off valve to stop the flow when the coupling is separated. They have a universal connection, so the plugs will connect to any of the sockets, regardless of the pipe or tube size.
Note: For a complete coupling, order a plug and a socket.
For technical drawings and 3-D models, click on a part number.
- Temperature Range: -100° to 300° F
- Tubing: Use with soft or firm (Durometer 35A-95A) polyurethane rubber, PVC plastic or silicone rubber
Barbed plugs and sockets insert into tubing and secure with a clamp.
- Temperature Range: -100° to 300° F
| Pipe Size | Thread Size | Thread Pitch, mm | Material | Max. Pressure | Features | Each | |
NPT Threads | |||||||
|---|---|---|---|---|---|---|---|
| 1/16 | __ | __ | Nickel-Plated Brass | 30 psi @ 72° F | __ | 00000000 | 000000 |
| 1/8 | __ | __ | Nickel-Plated Brass | 30 psi @ 72° F | __ | 000000000 | 0000 |
| 1/4 | __ | __ | Nickel-Plated Brass | 30 psi @ 72° F | __ | 000000000 | 0000 |
Metric Threads | |||||||
| __ | M5 | 0.8 | Nickel-Plated Brass | 30 psi @ 72° F | Acrylic Thread Sealant | 00000000 | 00000 |
| __ | M6 | 1 | Nickel-Plated Brass | 30 psi @ 72° F | Acrylic Thread Sealant | 00000000 | 00000 |
| __ | M8 | 1 | Nickel-Plated Brass | 30 psi @ 72° F | Acrylic Thread Sealant | 00000000 | 00000 |
UN/UNF (SAE Straight) Threads | |||||||
| __ | 10-32 | __ | Nickel-Plated Brass | 30 psi @ 72° F | __ | 000000000 | 0000 |
| __ | 1/4"-28 | __ | Nickel-Plated Brass | 30 psi @ 72° F | __ | 00000000 | 0000 |
- Temperature Range: -100° to 300° F
| Pipe Size | Thread Size | Material | Max. Pressure | Each | |
NPT Threads | |||||
|---|---|---|---|---|---|
| 1/16 | __ | Nickel-Plated Brass | 30 psi @ 72° F | 00000000 | 000000 |
| 1/8 | __ | Nickel-Plated Brass | 30 psi @ 72° F | 00000000 | 00000 |
| 1/4 | __ | Nickel-Plated Brass | 30 psi @ 72° F | 00000000 | 00000 |
UN/UNF (SAE Straight) Threads | |||||
| __ | 10-32 | Nickel-Plated Brass | 30 psi @ 72° F | 00000000 | 0000 |
| __ | 1/4"-28 | Nickel-Plated Brass | 30 psi @ 72° F | 00000000 | 0000 |
- Temperature Range: -100° to 300° F
- Tubing: Use with soft or firm (Durometer 35A-95A) polyurethane rubber, PVC plastic or silicone rubber
| Material | Max. Pressure | Each | |
| Nickel-Plated Brass | 30 psi @ 72° F | 000000000 | 00000 |
- Temperature Range: -100° to 300° F
- Tubing: Use with soft or firm (Durometer 35A-95A) polyurethane rubber, PVC plastic or silicone rubber
Barbed plugs and sockets insert into tubing and secure with a clamp.
- Temperature Range: -100° to 300° F
| Pipe Size | Thread Size | Thread Pitch, mm | Material | Max. Pressure | Features | Each | |
NPT Threads | |||||||
|---|---|---|---|---|---|---|---|
| 1/16 | __ | __ | Nickel-Plated Brass | 30 psi @ 72° F | __ | 00000000 | 000000 |
| 1/8 | __ | __ | Nickel-Plated Brass | 30 psi @ 72° F | __ | 00000000 | 00000 |
| 1/4 | __ | __ | Nickel-Plated Brass | 30 psi @ 72° F | __ | 00000000 | 00000 |
Metric Threads | |||||||
| __ | M5 | 0.8 | Nickel-Plated Brass | 30 psi @ 72° F | Acrylic Thread Sealant | 00000000 | 00000 |
| __ | M6 | 1 | Nickel-Plated Brass | 30 psi @ 72° F | Acrylic Thread Sealant | 00000000 | 00000 |
| __ | M8 | 1 | Nickel-Plated Brass | 30 psi @ 72° F | Acrylic Thread Sealant | 00000000 | 00000 |
UN/UNF (SAE Straight) Threads | |||||||
| __ | 10-32 | __ | Nickel-Plated Brass | 30 psi @ 72° F | __ | 000000000 | 0000 |
| __ | 1/4"-28 | __ | Nickel-Plated Brass | 30 psi @ 72° F | __ | 00000000 | 0000 |
- Temperature Range: -100° to 300° F
| Thread Size | Pipe Size | Material | Max. Pressure | Each | |
NPT Threads | |||||
|---|---|---|---|---|---|
| __ | 1/16 | Nickel-Plated Brass | 30 psi @ 72° F | 00000000 | 000000 |
| __ | 1/8 | Nickel-Plated Brass | 30 psi @ 72° F | 00000000 | 00000 |
| __ | 1/4 | Nickel-Plated Brass | 30 psi @ 72° F | 00000000 | 00000 |
UN/UNF (SAE Straight) Threads | |||||
| 10-32 | __ | Nickel-Plated Brass | 30 psi @ 72° F | 00000000 | 00000 |
| 1/4"-28 | __ | Nickel-Plated Brass | 30 psi @ 72° F | 00000000 | 00000 |
- Temperature Range: -100° to 300° F
- Tubing: Use with soft or firm (Durometer 35A-95A) polyurethane rubber, PVC plastic or silicone rubber
| Material | Max. Pressure | Each | |
| Nickel-Plated Brass | 30 psi @ 72° F | 000000000 | 00000 |
Quick-Turn Couplings for Stainless Steel Tubing
- For Use With: Air
- Temperature Range: 32° to 350° F
- Tubing: Use with 304/304L or 316/316L stainless steel
Also known as luer lock couplings, these consist of a plug and socket that connect to small-diameter tubing with a half turn. They have a compact body for easy installation in tight spaces. Insert tubing into the plug or socket and tighten the nut to form a seal. Couplings are open-flow style, so there is no shut-off valve to stop the flow when the coupling is separated. They are 316 stainless steel for excellent corrosion resistance.
Note: For a complete coupling, order a plug and a socket.
For technical drawings and 3-D models, click on a part number.