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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Brass Luer Lock Tube Couplings for Air
Quickly connect low-pressure air lines with these luer lock couplings. Made of brass, they are stronger and more durable than plastic tube couplings. These couplings have a nickel plating for extra protection against corrosive environments. Luer lock connections are universal, so you can connect any plug and socket to each other, regardless of the pipe or tube size. You can also connect them to syringes and needles. These couplings have a compact body, so they’re easy to fit in tight spaces. All are open-flow style, so there is no shut-off valve to stop the flow when the coupling is separated.
Note: For a complete coupling, order a plug and a socket.
- Temperature Range: -100° to 300° F
Plastic Luer Lock Tube Couplings with Shut-Off for Air and Water
A built-in shut-off valve stops the flow when you separate these couplings, so air or water won’t leak from your line. Highly versatile, these couplings are compatible with any luer lock plug, socket, syringe, or needle. They secure with a half turn, so they’re often used in lines that are frequently disconnected. Thanks to their compact body, they fit in tight spaces. Use them in low-pressure applications.
Made of nylon, these couplings are lightweight and have good impact and abrasion resistance.
Note: For a complete coupling, order a plug and a socket.
- Temperature Range: -50° to 150° F
- Tubing: Use with firm or soft (Durometer 35A-85A) PVC plastic or silicone rubber
Barbed plugs and sockets insert into tubing and secure with a clamp.
- Temperature Range: -50° to 150° F
- Tubing: Use with firm or soft (Durometer 35A-85A) PVC plastic or silicone rubber
Barbed plugs and sockets insert into tubing and secure with a clamp.
