High-Purity Push-to-Connect Tube Fittings

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75 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.

For Use With: Air, Nitrogen, Water
Temperature Range: 32° to 100° F
Tubing: Use with polypropylene plastic

Also known as instant fittings, these connect to tubing with a push, and an internal gripping ring and O-ring hold the tubing tight. To disconnect, push on the release ring and pull the tubing out of the fitting. Fittings are produced in a clean room and are double bagged to prevent dirt and moisture from contaminating the inside. They are polypropylene, which has excellent impact and abrasion resistance.

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

Straight Adapters, Tube × Male Threaded Pipe

BSPT Threads
For Tube OD	Pipe Size	Material	Color	Release Ring Color	Max. Pressure		Each
1/4"	1/8	Polypropylene Plastic	White	White	100 psi @ 72° F	0000000	000000
1/4"	1/4	Polypropylene Plastic	White	White	100 psi @ 72° F	0000000	00000
3/8"	1/4	Polypropylene Plastic	White	White	100 psi @ 72° F	0000000	00000
3/8"	3/8	Polypropylene Plastic	White	White	100 psi @ 72° F	0000000	00000
1/2"	3/8	Polypropylene Plastic	White	White	100 psi @ 72° F	0000000	00000
1/2"	1/2	Polypropylene Plastic	White	White	100 psi @ 72° F	0000000	00000
4mm	1/8	Polypropylene Plastic	White	Green	140 psi @ 72° F	0000000	0000
4mm	1/4	Polypropylene Plastic	White	Green	140 psi @ 72° F	00000000	0000
6mm	1/8	Polypropylene Plastic	White	Green	140 psi @ 72° F	0000000	0000
6mm	1/4	Polypropylene Plastic	White	Green	140 psi @ 72° F	0000000	0000
8mm	1/8	Polypropylene Plastic	White	Green	140 psi @ 72° F	00000000	0000
8mm	1/4	Polypropylene Plastic	White	Green	140 psi @ 72° F	0000000	0000
10mm	1/4	Polypropylene Plastic	White	Green	140 psi @ 72° F	00000000	0000
10mm	3/8	Polypropylene Plastic	White	Green	140 psi @ 72° F	00000000	0000
12mm	3/8	Polypropylene Plastic	White	Green	140 psi @ 72° F	00000000	0000

Straight Adapters, Tube Stem × Tube

Fittings with tube stem insert into the push-to-connect end of another fitting in place of a length of tubing.

Tube Stem OD, mm	For Tube OD, mm	Material	Color	Release Ring Color	Max. Pressure		Each
6	4	Polypropylene Plastic	White	Green	140 psi @ 72° F	00000000	00000
8	4	Polypropylene Plastic	White	Green	140 psi @ 72° F	00000000	0000
8	6	Polypropylene Plastic	White	Green	140 psi @ 72° F	00000000	0000
10	8	Polypropylene Plastic	White	Green	140 psi @ 72° F	00000000	0000
12	8	Polypropylene Plastic	White	Green	140 psi @ 72° F	00000000	0000
12	10	Polypropylene Plastic	White	Green	140 psi @ 72° F	00000000	0000

Straight Connectors, Tube

For Tube OD	Material	Color	Release Ring Color	Max. Pressure	Mount Type	Mount. Fasteners Included		Each
1/8"	Polypropylene Plastic	White	White	100 psi @ 72° F	Screw On	No	0000000	000000
1/4"	Polypropylene Plastic	White	White	100 psi @ 72° F	Screw On	No	0000000	00000
3/8"	Polypropylene Plastic	White	White	100 psi @ 72° F	Screw On	No	0000000	00000
1/2"	Polypropylene Plastic	White	White	100 psi @ 72° F	Screw On	No	0000000	00000
4mm	Polypropylene Plastic	White	Green	140 psi @ 72° F	__	__	0000000	0000
6mm	Polypropylene Plastic	White	Green	140 psi @ 72° F	__	__	0000000	0000
8mm	Polypropylene Plastic	White	Green	140 psi @ 72° F	__	__	0000000	00000
10mm	Polypropylene Plastic	White	Green	140 psi @ 72° F	__	__	00000000	00000
12mm	Polypropylene Plastic	White	Green	140 psi @ 72° F	__	__	00000000	00000

90° Elbow Adapters, Tube × Male Threaded Pipe

BSPT Threads
For Tube OD	Pipe Size	Material	Color	Release Ring Color	Max. Pressure		Each
1/4"	1/8	Polypropylene Plastic	White	White	100 psi @ 72° F	0000000	000000
1/4"	1/4	Polypropylene Plastic	White	White	100 psi @ 72° F	0000000	00000
3/8"	1/4	Polypropylene Plastic	White	White	100 psi @ 72° F	0000000	00000
3/8"	3/8	Polypropylene Plastic	White	White	100 psi @ 72° F	0000000	00000
1/2"	3/8	Polypropylene Plastic	White	White	100 psi @ 72° F	0000000	00000
1/2"	1/2	Polypropylene Plastic	White	White	100 psi @ 72° F	0000000	00000
4mm	1/8	Polypropylene Plastic	White	Green	140 psi @ 72° F	0000000	0000
4mm	1/4	Polypropylene Plastic	White	Green	140 psi @ 72° F	00000000	0000
6mm	1/8	Polypropylene Plastic	White	Green	140 psi @ 72° F	0000000	0000
6mm	1/4	Polypropylene Plastic	White	Green	140 psi @ 72° F	0000000	0000
8mm	1/8	Polypropylene Plastic	White	Green	140 psi @ 72° F	00000000	0000
8mm	1/4	Polypropylene Plastic	White	Green	140 psi @ 72° F	0000000	0000
10mm	1/4	Polypropylene Plastic	White	Green	140 psi @ 72° F	00000000	0000

90° Elbow Connectors, Tube

For Tube OD	Material	Color	Release Ring Color	Max. Pressure	Mount Type	Mount. Fasteners Included		Each
1/8"	Polypropylene Plastic	White	White	100 psi @ 72° F	Screw On	No	0000000	000000
1/4"	Polypropylene Plastic	White	White	100 psi @ 72° F	Screw On	No	0000000	00000
3/8"	Polypropylene Plastic	White	White	100 psi @ 72° F	Screw On	No	0000000	00000
4mm	Polypropylene Plastic	White	Green	140 psi @ 72° F	Screw On	No	0000000	0000
6mm	Polypropylene Plastic	White	Green	140 psi @ 72° F	Screw On	No	0000000	0000
8mm	Polypropylene Plastic	White	Green	140 psi @ 72° F	Screw On	No	0000000	0000
10mm	Polypropylene Plastic	White	Green	140 psi @ 72° F	Screw On	No	00000000	00000

Inline Tee Adapters, Tube × Male Threaded Pipe

Inline tees are also known as branch tees.

BSPT Threads
For Tube OD	Pipe Size	Material	Color	Release Ring Color	Max. Pressure		Each
1/4"	1/8	Polypropylene Plastic	White	White	100 psi @ 72° F	0000000	000000
1/4"	1/4	Polypropylene Plastic	White	White	100 psi @ 72° F	0000000	00000
3/8"	1/4	Polypropylene Plastic	White	White	100 psi @ 72° F	0000000	00000
3/8"	3/8	Polypropylene Plastic	White	White	100 psi @ 72° F	0000000	00000

Tee Connectors, Tube

For Tube OD	Material	Color	Release Ring Color	Max. Pressure	Mount Type	Mount. Fasteners Included		Each
1/8"	Polypropylene Plastic	White	White	100 psi @ 72° F	Screw On	No	00000000	000000
1/4"	Polypropylene Plastic	White	White	100 psi @ 72° F	Screw On	No	00000000	00000
3/8"	Polypropylene Plastic	White	White	100 psi @ 72° F	Screw On	No	00000000	00000
1/2"	Polypropylene Plastic	White	White	100 psi @ 72° F	Screw On	No	00000000	00000
4mm	Polypropylene Plastic	White	Green	140 psi @ 72° F	Screw On	No	0000000	00000
6mm	Polypropylene Plastic	White	Green	140 psi @ 72° F	Screw On	No	0000000	00000
8mm	Polypropylene Plastic	White	Green	140 psi @ 72° F	Screw On	No	0000000	00000
10mm	Polypropylene Plastic	White	Green	140 psi @ 72° F	Screw On	No	00000000	00000
12mm	Polypropylene Plastic	White	Green	140 psi @ 72° F	Screw On	No	00000000	00000

Wye Connectors, Tube

For Tube OD, mm	Material	Color	Release Ring Color	Max. Pressure	Mount Type	Mount. Fasteners Included		Each
4	Polypropylene Plastic	White	Green	140 psi @ 72° F	Screw On	No	00000000	000000
6	Polypropylene Plastic	White	Green	140 psi @ 72° F	Screw On	No	00000000	00000
8	Polypropylene Plastic	White	Green	140 psi @ 72° F	Screw On	No	00000000	00000
10	Polypropylene Plastic	White	Green	140 psi @ 72° F	Screw On	No	00000000	00000
12	Polypropylene Plastic	White	Green	140 psi @ 72° F	Screw On	No	00000000	00000

Plugs

Plugs insert into the push-to-connect end of another fitting.

Tube Stem OD	Material	Color	Max. Pressure		Each
1/4"	Polypropylene Plastic	White	100 psi @ 72° F	00000000	00000
3/8"	Polypropylene Plastic	White	100 psi @ 72° F	00000000	0000
1/2"	Polypropylene Plastic	White	100 psi @ 72° F	00000000	0000
4mm	Polypropylene Plastic	White	140 psi @ 72° F	00000000	0000
6mm	Polypropylene Plastic	White	140 psi @ 72° F	00000000	0000
8mm	Polypropylene Plastic	White	140 psi @ 72° F	00000000	0000
12mm	Polypropylene Plastic	White	140 psi @ 72° F	00000000	0000

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How to Identify and Measure Fittings

Push-to-Connect Fittings for Plastic Tubing—High-Purity