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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Impact-Resistant PPSU
- Color: See Table
- Max. Temperature: 300° F
- Tensile Strength: 10,500 psi (Good)
- Impact Strength: 2.5 ft.-lbs./in. (Good)
- Hardness: Rockwell R120 (Hard)
- For Use Outdoors: No
- Specifications Met: ASTM D6394, FDA Compliant 21 CFR 177.1560, UL 94 V-0
Offering excellent resistance to shock, these PPSU rods are frequently fabricated into vehicle parts and machine components that are subject to vibration. They are easy to machine and thermoform, plus they maintain physical properties when heated, even through repeated autoclaving cycles.
For technical drawings and 3-D models, click on a part number.
| Dia. | Dia. Tolerance | Lengths, ft. | Per Ft. | |
Off-White | ||||
|---|---|---|---|---|
| 1/2" | 0.000" to 0.003" | 0000000 | 00000 | |
| 3/4" | 0.000" to 0.003" | 0000000 | 00000 | |
| 1" | 0.000" to 0.003" | 0000000 | 00000 | |
Black | ||||
| 1/2" | 0.000" to 0.003" | 0000000 | 0000 | |
| 3/4" | 0.000" to 0.003" | 0000000 | 00000 | |
| 1" | 0.000" to 0.003" | 0000000 | 00000 | |
| 1 1/2" | 0.000" to 0.003" | 0000000 | 00000 | |
Amber | ||||
| 1 1/2" | 0.000" to 0.005" | 0000000 | 00000 | |
Barbed Tube Fittings for Drinking Water
- Temperature Range: 32° to 180° F
- Tubing:
All Fittings: Use with hard polyethylene plastic
Socket-Connect Fittings: Use with hard polyethylene plastic or copper - Specifications Met: See table
Connect these fittings to tubing with a ring and a crimping tool (both sold separately). They have multiple barbs that grip onto tubing for a secure hold. Fittings are compatible with Viega PEX tubing. Safe to use with drinking water, these fittings meet the strict standards of NSF/ANSI 61.
For technical drawings and 3-D models, click on a part number.
| For Tube ID (A) | For Tube ID (B) | Material | Max. Pressure | Specifications Met | Each | |
| 3/4" | 1/2" | PPSU | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 00000000 | 00000 |
Inline tees are also known as branch tees.
| For Tube ID (A) | For Tube ID (B) | Material | Max. Pressure | Specifications Met | Each | |
| 1/2" | 3/4" | PPSU | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 0000000 | 00000 |
| 3/4" | 1/2" | PPSU | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 00000000 | 0000 |
| 3/4" | 1" | PPSU | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 00000000 | 0000 |
| 1" | 3/4" | PPSU | 160 psi @ 72° F | ASTM F2159, NSF/ANSI 61 | 00000000 | 0000 |
Press-Connect Fittings for Drinking Water
- Maximum Pressure: 160 psi @ 72° F
- Temperature Range: -30° to 180° F
- Tubing: Use with hard polyethylene plastic or copper
- Specifications Met: IAPMO Listed, NSF/ANSI 61
Connect drinking water lines with ease—these one-piece fittings have a built-in sleeve that crimps onto tubing for a leak-tight connection that doesn’t require heat or soldering. Each fitting has a viewing hole to prevent installation errors and ensure it’s fully inserted before installing them. Press them onto polyethylene tubing, also known as Viega PEX tubing, using a crimping tool (sold separately). Choose a crimping tool with a grip color that’s the same as your fitting’s ring color. They meet NSF/ANSI 61 for drinking water systems.
Fittings are IAPMO (International Association for Plumbing and Mechanical Officials) certified to comply with product performance standards. They also comply with the UPC (Uniform Plumbing Code) for installation and repair of plumbing systems.
PPSU Plastic fittings are lighter in weight than copper tube fittings. They also have good corrosion resistance.
For technical drawings and 3-D models, click on a part number.
Inlets | Outlets | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of Inlets | Copper Tube Size  | For Tube OD | Ring Color | Number of Outlets | Copper Tube Size | For Tube OD | Ring Color | Material | Lg. | Each | |
| 1 | 3/4 | 7/8" | Blue | 4 | 1/2 | 5/8" | Yellow | PPSU Plastic | 10 9/64" | 0000000 | 000000 |
| 2 | 3/4 | 7/8" | Blue | 2 | 1/2 | 5/8" | Yellow | PPSU Plastic | 6 37/64" | 0000000 | 00000 |
| 2 | 3/4 | 7/8" | Blue | 3 | 1/2 | 5/8" | Yellow | PPSU Plastic | 8 37/64" | 0000000 | 00000 |
| 2 | 3/4 | 7/8" | Blue | 4 | 1/2 | 5/8" | Yellow | PPSU Plastic | 10 37/64" | 0000000 | 00000 |
High-Temperature Push-to-Connect Fittings for Food, Beverage, and Dairy
- Temperature Range: 5° to 280° F
- Tubing: Use with FEP, Nylon, Polyethylene, or PTFE Plastic
- Specifications Met: NSF/ANSI 169, EC Regulation 1935/2004, DM 174/2004
Connect hot food and beverage lines with just a push. Also known as instant fittings, they have an internal gripping ring and an O-ring that hold tight to tubing. To disconnect the fittings, push the release ring and pull the tubing out of the fitting. They meet U.S. and European Union standards for food safety and Italian standards for drinking water.
For technical drawings and 3-D models, click on a part number.
Release Ring | 316 Stainless Steel Sleeve | ||||||
|---|---|---|---|---|---|---|---|
| For Tube OD, mm | Pipe Size | Material | Material | Color | Max. Pressure | Each | |
BSPP Threads | |||||||
| 4 | 1/8 | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 000000 |
| 4 | 1/4 | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 00000 |
| 6 | 1/8 | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 00000 |
| 6 | 1/4 | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 00000 |
| 8 | 1/4 | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 00000 |
| 8 | 3/8 | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 00000 |
Fittings with intermittent swivel rotate 360° before and after installation as needed to allow movement in the system and to prevent kinking.
Release Ring | Brass Sleeve | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| For Tube OD, mm | Pipe Size | Thread Size | Thread Pitch, mm | Material | Material | Color | Max. Pressure | Each | |
BSPP Threads | |||||||||
| 4 | 1/8 | __ | __ | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 00000 |
| 4 | 1/4 | __ | __ | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 0000 |
| 6 | 1/8 | __ | __ | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 0000 |
| 6 | 1/4 | __ | __ | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 0000 |
| 8 | 1/4 | __ | __ | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 00000 |
| 8 | 3/8 | __ | __ | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 00000 |
Metric Threads | |||||||||
| 4 | __ | M5 | 0.8 | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 0000 |
| 6 | __ | M5 | 0.8 | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 0000 |
Inline tees are also known as branch tees.
Release Ring | 316 Stainless Steel Sleeve | ||||||
|---|---|---|---|---|---|---|---|
| For Tube OD, mm | Pipe Size | Material | Material | Color | Max. Pressure | Each | |
BSPP Threads | |||||||
| 4 | 1/8 | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 000000 |
| 4 | 1/4 | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 00000 |
| 6 | 1/8 | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 00000 |
| 6 | 1/4 | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 00000 |
| 8 | 1/4 | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 00000 |
| 8 | 3/8 | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 00000 |
Inline tees are also known as branch tees. Fittings with intermittent swivel rotate 360° before and after installation as needed to allow movement in the system and to prevent kinking.
Release Ring | Brass Sleeve | ||||||
|---|---|---|---|---|---|---|---|
| For Tube OD, mm | Pipe Size | Material | Material | Color | Max. Pressure | Each | |
BSPP Threads | |||||||
| 4 | 1/8 | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 000000 |
| 4 | 1/4 | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 00000 |
| 6 | 1/8 | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 00000 |
| 6 | 1/4 | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 00000 |
| 8 | 1/4 | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 00000 |
| 8 | 3/8 | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 00000 |
Release Ring | Brass Sleeve | 316 Stainless Steel Sleeve | ||||||
|---|---|---|---|---|---|---|---|---|
| For Tube OD, mm | Material | Material | Color | Max. Pressure | Each | Each | ||
| 4 | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 00000 | 0000000 | 000000 |
| 6 | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
| 8 | PPSU Plastic | Plastic | White | 290 psi @ 72° F | 0000000 | 00000 | 0000000 | 00000 |