Connection Style Connection Style |
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| Quick Turn |
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| Barbed |
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| Threaded |
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| Compression |
Material Material |
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For Use With For Use With |
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Flow Control Flow Control |
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For Tube Material For Tube Material |
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Maximum Pressure Maximum Pressure |
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Maximum Vacuum Maximum Vacuum |
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Clarity Clarity |
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| Clear | Semi-Clear |
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| Opaque |
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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Plastic Quick-Turn Tube Couplings for Air and Water
- For Use With: Polycarbonate Plastic: Air
Nylon Plastic, PVDF Plastic: Air, Water
Polypropylene Plastic: Water - Temperature Range: Nylon Plastic, Polycarbonate Plastic: -20° to 200° F
Polypropylene Plastic, PVDF Plastic: 35° to 150° F - Tubing: Use with soft (Durometer 40A-65A) PVC plastic or silicone rubber
Made of plastic, these couplings are lighter in weight than metal quick-turn couplings. 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 for easy installation 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.
Nylon plugs and sockets have good impact and abrasion resistance. PVDF plugs and sockets are stronger than nylon and have excellent impact and abrasion resistance. Polycarbonate plugs and sockets are clear so you can monitor your line. Polypropylene plugs and sockets are moisture resistant and won’t absort water and lose strength, even in high-humidity environments.
Note: For a complete coupling, order a plug and a socket.
For technical drawings and 3-D models, click on a part number.
Barbed plugs and sockets insert into tubing and secure with a clamp.
| For Tube ID | Material | Color | Max. Pressure | Pkg. Qty. | Pkg. | |
| 1/16" | Nylon Plastic | White | 40 psi @ 72° F | 10 | 000000000 | 00000 |
| 1/16" | Polycarbonate Plastic | Clear | 40 psi @ 72° F | 10 | 000000000 | 0000 |
| 1/16" | Polypropylene Plastic | White | 40 psi @ 72° F | 10 | 000000000 | 0000 |
| 3/32" | Nylon Plastic | White | 40 psi @ 72° F | 10 | 000000000 | 0000 |
| 3/32" | Polycarbonate Plastic | Clear | 40 psi @ 72° F | 10 | 000000000 | 0000 |
| 3/32" | Polypropylene Plastic | White | 40 psi @ 72° F | 10 | 000000000 | 0000 |
| 1/8" | Nylon Plastic | White | 40 psi @ 72° F | 10 | 000000000 | 0000 |
| 1/8" | Polycarbonate Plastic | Clear | 40 psi @ 72° F | 10 | 000000000 | 0000 |
| 1/8" | Polypropylene Plastic | White | 40 psi @ 72° F | 10 | 000000000 | 0000 |
| 5/32" | Nylon Plastic | White | 40 psi @ 72° F | 10 | 000000000 | 0000 |
| 5/32" | Polycarbonate Plastic | Clear | 40 psi @ 72° F | 10 | 000000000 | 0000 |
| 5/32" | Polypropylene Plastic | White | 40 psi @ 72° F | 10 | 000000000 | 0000 |
| 3/16" | Nylon Plastic | White | 40 psi @ 72° F | 10 | 000000000 | 0000 |
| 3/16" | Polycarbonate Plastic | Clear | 40 psi @ 72° F | 10 | 000000000 | 0000 |
| 3/16" | Polypropylene Plastic | White | 40 psi @ 72° F | 10 | 000000000 | 0000 |
| 1/4" | Nylon Plastic | White | 40 psi @ 72° F | 10 | 000000000 | 0000 |
| 1/4" | Polycarbonate Plastic | Clear | 40 psi @ 72° F | 10 | 000000000 | 0000 |
| 1/4" | Polypropylene Plastic | White | 40 psi @ 72° F | 10 | 000000000 | 0000 |
| Pipe Size | Thread Size | Material | Color | Max. Pressure | Pkg. Qty. | Pkg. | |
NPT Threads | |||||||
|---|---|---|---|---|---|---|---|
| 1/8 | __ | Nylon Plastic | White | 40 psi @ 72° F | 10 | 000000000 | 00000 |
| 1/8 | __ | PVDF Plastic | Clear | 40 psi @ 72° F | 10 | 000000000 | 00000 |
| 1/8 | __ | Polypropylene Plastic | White | 40 psi @ 72° F | 10 | 000000000 | 00000 |
| 1/4 | __ | Nylon Plastic | White | 40 psi @ 72° F | 10 | 000000000 | 0000 |
| 1/4 | __ | Polypropylene Plastic | White | 40 psi @ 72° F | 10 | 000000000 | 00000 |
UN/UNF (SAE) Threads | |||||||
| __ | 10-32 | Nylon Plastic | White | 40 psi @ 72° F | 10 | 000000000 | 0000 |
| __ | 10-32 | Polycarbonate Plastic | Clear | 40 psi @ 72° F | 10 | 000000000 | 0000 |
| __ | 10-32 | Polypropylene Plastic | White | 40 psi @ 72° F | 10 | 000000000 | 0000 |
| __ | 1/4"-28 | Nylon Plastic | White | 40 psi @ 72° F | 10 | 000000000 | 0000 |
| __ | 1/4"-28 | Polycarbonate Plastic | Clear | 40 psi @ 72° F | 10 | 000000000 | 0000 |
| __ | 1/4"-28 | Polypropylene Plastic | White | 40 psi @ 72° F | 10 | 000000000 | 0000 |
Plastic Quick-Turn Tube Couplings
with Shut-Off for Air and Water
- Temperature Range: -50° to 150° F
- Tubing: Use with firm or soft (Durometer 35A-85A) PVC plastic or silicone rubber, except fittings with pipe end
A built-in shut-off valve stops the flow when the coupling is separated, so air or water won’t leak from your line. Also known as luer lock couplings, these 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. Couplings have a universal connection, so the plugs will connect to any of the sockets, regardless of the pipe or tube size. They are nylon, which is lightweight with good impact and abrasion resistance.
Note: For a complete coupling, order a plug and a socket.
For technical drawings and 3-D models, click on a part number.
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
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 | 00000 |
| 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 | 0000 |
| __ | M6 | 1 | Nickel-Plated Brass | 30 psi @ 72° F | Acrylic Thread Sealant | 00000000 | 0000 |
| __ | M8 | 1 | Nickel-Plated Brass | 30 psi @ 72° F | Acrylic Thread Sealant | 00000000 | 0000 |
UN/UNF (SAE) 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 | 00000 |
| 1/8 | __ | Nickel-Plated Brass | 30 psi @ 72° F | 00000000 | 0000 |
| 1/4 | __ | Nickel-Plated Brass | 30 psi @ 72° F | 00000000 | 0000 |
UN/UNF (SAE) 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
Plugs | |||
|---|---|---|---|
| Material | Max. Pressure | Each | |
| Nickel-Plated Brass | 30 psi @ 72° F | 000000000 | 00000 |
Quick-Turn Couplings for Plastic
and Rubber Tubing—Chemicals
- For Use With: Acetic Acid, Bleach, Nitric Acid
- Temperature Range: 35° to 150° F
- Tubing: Use with soft (Durometer 40A-65A) PVC plastic or silicone rubber, except fittings with male threaded pipe connection and plugs for sockets
Also known as luer lock couplings, these consist of a plug and socket (sold separately) that connect with a half turn. They have a compact body for easy installation in tight spaces. Plug 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. Made of PVDF (also known as Kynar), they have excellent chemical resistance.
Note: For a complete coupling, order a plug and a socket.
For technical drawings and 3-D models, click on a part number.
Barbed plugs and sockets insert into tubing and secure with a clamp.
Open Flow | ||||||
|---|---|---|---|---|---|---|
| For Tube ID | Material | Color | Max. Pressure | Pkg. Qty. | Pkg. | |
| 1/16" | PVDF Plastic | Clear | 40 psi @ 72° F | 10 | 000000000 | 000000 |
| 3/32" | PVDF Plastic | Clear | 40 psi @ 72° F | 10 | 000000000 | 00000 |
| 1/8" | PVDF Plastic | Clear | 40 psi @ 72° F | 10 | 000000000 | 00000 |
| 5/32" | PVDF Plastic | Clear | 40 psi @ 72° F | 10 | 000000000 | 00000 |
| 3/16" | PVDF Plastic | Clear | 40 psi @ 72° F | 10 | 000000000 | 00000 |
| 1/4" | PVDF Plastic | Clear | 40 psi @ 72° F | 10 | 000000000 | 00000 |
Open Flow | ||||||
|---|---|---|---|---|---|---|
| Thread Size | Material | Color | Max. Pressure | Pkg. Qty. | Pkg. | |
UN/UNF (SAE) Threads | ||||||
| 1/4"-28 | PVDF Plastic | Clear | 40 psi @ 72° F | 10 | 000000000 | 000000 |
| Material | Color | Max. Pressure | Pkg. Qty. | Pkg. | |
| PVDF Plastic | Clear | 40 psi @ 72° F | 10 | 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.
Plug | ||||
|---|---|---|---|---|
| For Tube OD | Material | Max. Pressure | Each | |
| 1/64", 1/32", 3/64", 1/16", 5/64" | 316 Stainless Steel | 30 psi @ 72° F | 0000000 | 000000 |