Connection Style Connection Style | Show |
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![]() | Quick Turn |
Connection Style Connection Style | Hide |
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Push to Connect |
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Threaded |
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Barbed |
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Clamp On |
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Compression |
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Flared |
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Quick Disconnect |
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Quick Clamp |
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Claw Clamp |
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Flanged |
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Quick Turn |
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Yor-Lok |
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Butt Weld |
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Gasket |
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O-Ring Face Seal |
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Quick Connect |
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Socket Connect |
System of Measurement System of Measurement |
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Flow Control Flow Control |
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![]() | With Shut-Off |
Material Material |
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Type Type |
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![]() | Adapter |
Maximum Pressure Maximum Pressure |
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Shape Shape |
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![]() | Straight |
Thread Type Thread Type |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Vacuum Rating Vacuum Rating |
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Maximum Vacuum Maximum Vacuum |
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Sterilize With Sterilize With |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Color Color |
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![]() | Gray |
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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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.