Polycarbonate Tube Fittings

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120 Products

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.

About Actuated On/Off Valves

About On/Off Valves

Temperature Range: -210° to 270° F
Tubing: Use with firm or soft (Durometer 45A-90A) polyurethane rubber or PVC plastic

Monitor flow with these clear fittings. They have a single barb that creates a smooth clamping surface for extra-tight connections that minimize leaks. Fittings are polycarbonate for excellent impact resistance.

For technical drawings and 3-D models, click on a part number.

Straight Adapters, Tube × Male Threaded Pipe

NPT Threads
For Tube ID	Pipe Size	Thread Size	Material	Color	Max. Pressure	Pkg. Qty.		Pkg.
1/16"	1/16	__	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	000000
1/16"	1/8	__	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
3/32"	1/16	__	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
3/32"	1/8	__	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
1/8"	1/16	__	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
1/8"	1/8	__	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
5/32"	1/16	__	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
5/32"	1/8	__	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
3/16"	1/16	__	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
3/16"	1/8	__	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
1/4"	1/8	__	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
UN/UNF (SAE Straight) Threads
1/16"	__	10-32	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
3/32"	__	10-32	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
1/8"	__	10-32	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
5/32"	__	10-32	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000

Straight Connectors, Tube

For Tube ID	Material	Color	Max. Pressure	Pkg. Qty.		Pkg.
1/16"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
3/32"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	0000
1/8"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	0000
5/32"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	0000
3/16"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	0000
1/4"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	0000

Straight Reducers, Tube

For Tube ID (A)	For Tube ID (B)	Material	Color	Max. Pressure	Pkg. Qty.		Pkg.
3/32"	1/16"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	000000
1/8"	1/16"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
1/8"	3/32"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
5/32"	1/16"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
5/32"	3/32"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
5/32"	1/8"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
3/16"	1/16"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
3/16"	3/32"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
3/16"	1/8"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
3/16"	5/32"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
1/4"	1/8"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
1/4"	5/32"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
1/4"	3/16"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000

90° Elbow Connectors, Tube

For Tube ID	Material	Color	Max. Pressure	Pkg. Qty.		Pkg.
1/16"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	000000
3/32"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
1/8"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
5/32"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
3/16"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
1/4"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000

Tee Connectors, Tube

For Tube ID	Material	Color	Max. Pressure	Pkg. Qty.		Pkg.
1/16"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	000000
3/32"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
1/8"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
5/32"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
3/16"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
1/4"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000

Inline Tee Reducers, Tube

Inline tees are also known as branch tees.

For Tube ID (A)	For Tube ID (B)	Material	Color	Max. Pressure	Pkg. Qty.		Pkg.
1/16"	1/8"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	000000
1/8"	1/16"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
1/8"	3/32"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
1/8"	5/32"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
1/8"	3/16"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
1/8"	1/4"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
5/32"	1/8"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
5/32"	3/16"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
5/32"	1/4"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
3/16"	1/8"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
1/4"	3/32"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
1/4"	1/8"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000

Wye Connectors, Tube

For Tube ID	Material	Color	Max. Pressure	Pkg. Qty.		Pkg.
1/16"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	000000
3/32"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
1/8"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
5/32"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
3/16"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000
1/4"	Polycarbonate Plastic	Clear	125 psi @ 72° F	10	0000000	00000

Plastic Luer Lock Tube Couplings for Air and Water

For Use With: Nylon Plastic: Air, Water
Polycarbonate Plastic: Air
Polypropylene Plastic: Water
Temperature Range: See table
Tubing: Use with soft (Durometer 40A-65A) PVC plastic or silicone rubber

Made of plastic, these couplings are lighter in weight than metal luer lock couplings. They're a popular choice in labs because of their versatility—they fit any other luer lock plug, socket, syringe, or needle. Quick to attach and detach, they’re often used in lines that are frequently disconnected. They have a compact body for easy installation in tight spaces. Use them in low-pressure applications. These couplings are open-flow style, so there is no shut-off valve to stop the flow when they’re separated.

Plugs with a locking ring are more secure than those without a locking ring. Give the ring a half turn to lock these couplings in place. You can’t remove the locking ring.

Note: For a complete coupling, order a plug and a socket.

For technical drawings and 3-D models, click on a part number.

Straight Plugs, Barbed Tube

With Locking Ring

Barbed plugs and sockets insert into tubing and secure with a clamp.

Polycarbonate Plastic
For Tube ID	Color	Clarity	Max. Pressure	Temp. Range, °F	Locking Ring Included	Pkg. Qty.		Pkg.
1/16"	Clear	Clear	40 psi @ 72° F	-20° to 200° F	With Locking Ring	10	000000000	00000
3/32"	Clear	Clear	40 psi @ 72° F	-20° to 200° F	With Locking Ring	10	000000000	0000
1/8"	Clear	Clear	40 psi @ 72° F	-20° to 200° F	With Locking Ring	10	000000000	0000
5/32"	Clear	Clear	40 psi @ 72° F	-20° to 200° F	With Locking Ring	10	000000000	0000
3/16"	Clear	Clear	40 psi @ 72° F	-20° to 200° F	With Locking Ring	10	000000000	0000
1/4"	Clear	Clear	40 psi @ 72° F	-20° to 200° F	With Locking Ring	10	000000000	0000

Straight Plugs, Male Threaded Pipe

UN/UNF Taper Threads
Thread Size	Color	Clarity	Max. Pressure	Temp. Range, °F	Locking Ring Included	Pkg. Qty.		Pkg.
Polycarbonate Plastic
10-32	Clear	Clear	40 psi @ 72° F	-20° to 200° F	With Locking Ring	10	000000000	000000

Straight Sockets, Barbed Tube

Barbed plugs and sockets insert into tubing and secure with a clamp.

Polycarbonate Plastic
For Tube ID	Color	Clarity	Max. Pressure	Temp. Range, °F	Pkg. Qty.		Pkg.
1/16"	Clear	Clear	40 psi @ 72° F	-20° to 200° F	10	000000000	00000
3/32"	Clear	Clear	40 psi @ 72° F	-20° to 200° F	10	000000000	0000
1/8"	Clear	Clear	40 psi @ 72° F	-20° to 200° F	10	000000000	0000
5/32"	Clear	Clear	40 psi @ 72° F	-20° to 200° F	10	000000000	0000
3/16"	Clear	Clear	40 psi @ 72° F	-20° to 200° F	10	000000000	0000
1/4"	Clear	Clear	40 psi @ 72° F	-20° to 200° F	10	000000000	0000

Straight Sockets, Male Threaded Pipe

UN/UNF (SAE Straight) Threads
Thread Size	Color	Clarity	Max. Pressure	Temp. Range, °F	Pkg. Qty.		Pkg.
Polycarbonate Plastic
10-32	Clear	Clear	40 psi @ 72° F	-20° to 200° F	10	000000000	000000
1/4"-28	Clear	Clear	40 psi @ 72° F	-20° to 200° F	10	000000000	00000

Straight Plug-to-Socket Adapters, Luer Lock Tube

With Locking Ring

Polycarbonate Plastic
Color	Clarity	Max. Pressure	Temp. Range, °F	Locking Ring Included	Pkg. Qty.		Pkg.
Clear	Clear	40 psi @ 72° F	-20° to 200° F	With Locking Ring	10	000000000	00000

Straight Socket-to-Socket Connectors, Luer Lock Tube

Polycarbonate Plastic
Color	Clarity	Max. Pressure	Temp. Range, °F	Pkg. Qty.		Pkg.
Clear	Clear	40 psi @ 72° F	-20° to 200° F	10	000000000	00000

90° Elbow Socket-to-Socket Connectors, Luer Lock Tube

Polycarbonate Plastic
Color	Clarity	Max. Pressure	Temp. Range, °F	Pkg. Qty.		Pkg.
Clear	Clear	Not Rated	Not Rated	10	000000000	000000

Tee Socket-to-Socket Connectors, Luer Lock Tube

Polycarbonate Plastic
Color	Clarity	Max. Pressure	Temp. Range, °F	Pkg. Qty.		Pkg.
Clear	Clear	Not Rated	Not Rated	10	000000000	000000

Caps for Plugs

Polycarbonate Plastic
Color	Clarity	Max. Pressure	Temp. Range, °F	Pkg. Qty.		Pkg.
Clear	Clear	40 psi @ 72° F	-20° to 200° F	10	000000000	00000

End Plugs

With Locking Ring

Polycarbonate Plastic
Color	Clarity	Max. Pressure	Temp. Range, °F	Locking Ring Included	Pkg. Qty.		Pkg.
Open Tip
Clear	Clear	40 psi @ 72° F	-20° to 200° F	With Locking Ring	10	000000000	00000
Closed Tip
Clear	Clear	Not Rated	Not Rated	With Locking Ring	10	000000000	0000

PTFE Sleeves for Yor-Lok Fittings

For Use With: Air, Cutting Oil, Fuel Oil, Gasoline, Hydraulic Fluid, Mineral Oil, Water
Temperature Range: -65° to 350° F
Tubing: Use with firm or hard acetal plastic, EVA plastic, HDPE plastic, nylon plastic, PEEK plastic, polycarbonate plastic, polyethylene plastic, polypropylene plastic, PTFE plastic, PVC plastic, PVDF plastic, or THV plastic
Compatible With: Let-Lok, Parker A-Lok, Swagelok®

Made of plastic, these sleeves create a strong seal without damaging tubing.

For technical drawings and 3-D models, click on a part number.

For Tube OD	Sleeve Material		Each
1/16"	PTFE Plastic	00000000	000000
1/8"	PTFE Plastic	00000000	0000
3/16"	PTFE Plastic	00000000	00000
1/4"	PTFE Plastic	00000000	0000
5/16"	PTFE Plastic	00000000	0000
3/8"	PTFE Plastic	00000000	0000
1/2"	PTFE Plastic	00000000	0000
5/8"	PTFE Plastic	00000000	00000
3/4"	PTFE Plastic	00000000	00000
7/8"	PTFE Plastic	00000000	00000
1"	PTFE Plastic	00000000	00000
1 1/2"	PTFE Plastic	00000000	00000

On/Off Valves with Luer Lock Fittings

With just a half turn or a light push, these valves connect to luer lock fittings on your line. Their universal connection size fits any luer lock plug or socket.

Polycarbonate valves are lighter in weight than metal valves, but they aren’t as durable.

Connections without a locking ring are quicker to install and remove than those with a locking ring. Also known as luer slip connections, all they need is a light push. Add a snap-on ring (sold separately) to lock your connection in place and color code your line.

Connections with a locking ring are more secure than those without a locking ring, so they’re better for high pressures. Give the ring a half turn to lock them in place. You can’t remove the locking ring.

For technical drawings and 3-D models, click on a part number.

Purple Polycarbonate Plastic Body with T-Handle

Luer Lock Female × Luer Lock Female

Luer Lock Female × Luer
Lock Male without
Locking Ring

Luer Lock Male without
Locking Ring × Luer Lock
Male without Locking Ring

Luer Lock Male with Locking Ring × Luer Lock Female

Luer Lock Male with
Locking Ring × Luer Lock
Male without Locking Ring

Luer Lock Male with Locking
Ring × Luer Lock
Male with Locking Ring

Valve Type: Stop Cock
For Use With: Air, Argon, Helium, Krypton, Neon, Oil, Water, Xenon

Luer Lock Female × Luer Lock Female
Max. Pressure	End-to-End Lg.		Each
50 psi @ 70° F	1 3/16"	0000000	00000
Luer Lock Female × Luer Lock Male without Locking Ring
50 psi @ 70° F	1 3/8"	0000000	0000
Luer Lock Male without Locking Ring × Luer Lock Male without Locking Ring
50 psi @ 70° F	1 1/2"	0000000	0000
Luer Lock Male with Locking Ring × Luer Lock Female
50 psi @ 70° F	1 3/8"	0000000	0000
Luer Lock Male with Locking Ring × Luer Lock Male without Locking Ring
50 psi @ 70° F	1 1/2"	0000000	0000
Luer Lock Male with Locking Ring × Luer Lock Male with Locking Ring
50 psi @ 70° F	1 1/2"	0000000	0000

Snap-On Rings for Plastic Body Valves without Locking Rings

Nylon Plastic
Color	Clarity	Pkg. Qty.		Pkg.
Black	Opaque	10	000000000	00000
Blue	Opaque	10	000000000	0000
Green	Opaque	10	000000000	0000
Red	Opaque	10	000000000	0000
White	Opaque	10	000000000	0000
Polypropylene Plastic
White	Semi-Clear	10	000000000	0000

Food Industry Solenoid On/Off Valves with Push-to-Connect Fittings

For Use With: Food, Beverage
Seal Material: EPR Rubber
Specifications Met: CSA Certified, NSF/ANSI 169

Insert tubing into the fittings on these valves—no heat, solder, or flux required. Valves meet NSF/ANSI 169 for use with food equipment. They operate on electricity to automatically start and stop flow.

All are normally closed unless actuated. Valves don’t require a minimum pressure drop between the inlet and outlet for operation. The actuator is directly mounted to the valve body to minimize movement and reduce wear.

Flow coefficient (Cv) is the amount of water (in gallons per minute) at 60° F that will flow through a fully open valve with a difference of 1 psi between the inlet and the outlet.

For technical drawings and 3-D models, click on a part number.

Polycarbonate Plastic Body with Quick-Disconnect Terminals
For Tube OD	Gender	Flow Coefficient (Cv)	Max. Pressure	Pressure Drop	Temp. Range, °F	Valve Lg.	O'all Ht.	Quick-Disconnect Tab Wd.		Each
Normally Closed—24V DC
1/4"	Female	0.3	80 psi @ 70° F	Zero Pressure Drop	-10° to 100°	2"	3"	1/4"	00000000	0000000
1/4"	Female	0.4	40 psi @ 70° F	Zero Pressure Drop	-10° to 100°	2"	3"	1/4"	00000000	000000
Normally Closed—120V AC
1/4"	Female	0.3	80 psi @ 70° F	Zero Pressure Drop	-10° to 100°	2"	3"	1/4"	00000000	000000
1/4"	Female	0.4	40 psi @ 70° F	Zero Pressure Drop	-10° to 100°	2"	3"	1/4"	00000000	000000

Compact Solenoid On/Off Valves with Push-to-Connect Fittings

For Use With: Water, Air, Argon, Helium, Neon, Xenon, Krypton
Seal Material: Buna-N Rubber
Specifications Met: CSA Certified

Insert tubing into the fittings on these valves—no heat, solder, or flux required. They operate on electricity to automatically start and stop flow.

Valves are normally closed unless actuated. They don’t require a minimum pressure drop between the inlet and outlet for operation. The actuator is directly mounted to the valve body to minimize movement and reduce wear.

Flow coefficient (Cv) is the amount of water (in gallons per minute) at 60° F that will flow through a fully open valve with a difference of 1 psi between the inlet and the outlet.

For technical drawings and 3-D models, click on a part number.

Polycarbonate Plastic Body with Quick-Disconnect Terminals
For Tube OD	Gender	Flow Coefficient (Cv)	Max. Pressure	Pressure Drop	Temp. Range, °F	Valve Lg.	O'all Ht.	Quick-Disconnect Tab Wd.		Each
Normally Closed—24V DC
1/4"	Female	0.31	80 psi @ 70° F	Zero Pressure Drop	-10° to 100°	2"	3"	1/4"	00000000	0000000
1/4"	Female	0.37	40 psi @ 70° F	Zero Pressure Drop	-10° to 100°	2"	3"	1/4"	00000000	000000
3/8"	Female	1	5 psi @ 70° F	Zero Pressure Drop	-10° to 100°	2 3/8"	3"	1/4"	00000000	000000
Normally Closed—120V AC
1/4"	Female	0.31	80 psi @ 70° F	Zero Pressure Drop	-10° to 100°	2"	3"	1/4"	00000000	000000
1/4"	Female	0.37	40 psi @ 70° F	Zero Pressure Drop	-10° to 100°	2"	3"	1/4"	00000000	000000
3/8"	Female	1	5 psi @ 70° F	Zero Pressure Drop	-10° to 100°	2 3/8"	3"	1/4"	00000000	000000

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How to Identify and Measure Fittings

About Actuated On/Off Valves

About On/Off Valves

Easy-View Plastic Barbed Tube Fittings for Air and Water

Plastic Luer Lock Tube Couplings for Air and Water

PTFE Sleeves for Yor-Lok Fittings

On/Off Valves with Luer Lock Fittings

Food Industry Solenoid On/Off Valves with Push-to-Connect Fittings

Compact Solenoid On/Off Valves with Push-to-Connect Fittings