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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High-Pressure Barbed Plastic Pipe Fittings for Water
Use these barbed pipe fittings in industrial plumbing, water processing, and water supply applications up to 200 psi. They meet NSF/ANSI Standard 61 for drinking water. Also known as insert fittings, they have a barbed end that slides into semi-flexible plastic pipe and secures with a clamp (sold separately). Since you don't have to wait for cement to dry, they're quicker to install than socket-connect fittings. Fittings are PVC, which has good strength and corrosion resistance. They meet ASTM D1784 specifications and testing requirements for material quality and ASTM D2609 specifications for barb dimensions.
Note: Barbed pipe fittings are measured by pipe size, which is not an actual measured size, but rather an industry designation.
Warning: Never use plastic pipe fittings and pipe with compressed air or gas.
Sealants cannot be sold to Colorado, Connecticut, District of Columbia, Delaware, Illinois, Indiana, Massachusetts, Maryland, Maine, Michigan, New Hampshire, New Jersey, Northern Virginia, New York, Ohio, Pennsylvania, Rhode Island, or Utah due to local VOC (Volatile Organic Compounds) regulations.
For technical drawings and 3-D models, click on a part number.
- For Use With: Drinking Water, Water
- Maximum Temperature: 140° F
- Specifications Met: ASTM D1784, ASTM D2609, NSF/ANSI 61
- Pipe Nipples and Pipe: Use Semi-Flexible Polyethylene Plastic
Pipe Size | Barb OD | Material | Color | Max. Pressure | Each | |
1/2 | 0.65" | PVC Plastic | Dark Gray | 200 psi @ 72° F | 00000000 | 00000 |
3/4 | 0.85" | PVC Plastic | Dark Gray | 200 psi @ 72° F | 00000000 | 0000 |
1 | 1.08" | PVC Plastic | Dark Gray | 200 psi @ 72° F | 00000000 | 0000 |
1 1/4 | 1.41" | PVC Plastic | Dark Gray | 200 psi @ 72° F | 00000000 | 0000 |
1 1/2 | 1.65" | PVC Plastic | Dark Gray | 160 psi @ 72° F | 00000000 | 00000 |
2 | 2.11" | PVC Plastic | Dark Gray | 160 psi @ 72° F | 00000000 | 00000 |
- For Use With: Drinking Water, Water
- Maximum Temperature: 140° F
- Specifications Met: ASTM D1784, ASTM D2609, NSF/ANSI 61
- Pipe Nipples and Pipe: Use Semi-Flexible Polyethylene Plastic
To prevent leaks in threaded connections, apply a non-hardening, plastic-compatible sealant to the male threads. Tape or sealants with PTFE are not recommended for plastic-to-plastic threaded connections. When making a threaded connection be careful not to overtighten the threads. To prevent cracks and leaks, finger tighten the fitting, then wrench-tighten one to two turns.
Inline tees are also known as branch tees.
Pipe Size | Barb OD | Material | Color | Max. Pressure | Each | |
NPT Threads | ||||||
---|---|---|---|---|---|---|
1/2 | 0.65" | PVC Plastic | Dark Gray | 200 psi @ 72° F | 00000000 | 00000 |
3/4 | 0.85" | PVC Plastic | Dark Gray | 200 psi @ 72° F | 00000000 | 0000 |
1 | 1.08" | PVC Plastic | Dark Gray | 200 psi @ 72° F | 00000000 | 00000 |
1 1/4 | 1.41" | PVC Plastic | Dark Gray | 200 psi @ 72° F | 00000000 | 00000 |
1 1/2 | 1.65" | PVC Plastic | Dark Gray | 160 psi @ 72° F | 00000000 | 00000 |
2 | 2.11" | PVC Plastic | Dark Gray | 160 psi @ 72° F | 00000000 | 00000 |
Non-Hardening Thread Sealant | 000000 | Each | 000000 |
- For Use With: Drinking Water, Water
- Maximum Temperature: 140° F
- Specifications Met: ASTM D1784, ASTM D2609, NSF/ANSI 61
- Pipe Nipples and Pipe: Use Semi-Flexible Polyethylene Plastic
To prevent leaks in threaded connections, apply a non-hardening, plastic-compatible sealant to the male threads. Tape or sealants with PTFE are not recommended for plastic-to-plastic threaded connections. When making a threaded connection be careful not to overtighten the threads. To prevent cracks and leaks, finger tighten the fitting, then wrench-tighten one to two turns.
Inline tees are also known as branch tees.
Pipe Size | Barb OD | Material | Color | Max. Pressure | Each | |
NPT Threads | ||||||
---|---|---|---|---|---|---|
1/2 | 0.65" | PVC Plastic | Dark Gray | 200 psi @ 72° F | 00000000 | 00000 |
3/4 | 0.85" | PVC Plastic | Dark Gray | 200 psi @ 72° F | 00000000 | 0000 |
1 | 1.08" | PVC Plastic | Dark Gray | 200 psi @ 72° F | 00000000 | 0000 |
1 1/4 | 1.41" | PVC Plastic | Dark Gray | 200 psi @ 72° F | 00000000 | 00000 |
1 1/2 | 1.65" | PVC Plastic | Dark Gray | 160 psi @ 72° F | 00000000 | 00000 |
2 | 2.11" | PVC Plastic | Dark Gray | 160 psi @ 72° F | 00000000 | 00000 |
Non-Hardening Thread Sealant | 000000 | Each | 000000 |
- For Use With: Drinking Water, Water
- Maximum Temperature: 140° F
- Specifications Met: ASTM D1784, ASTM D2609, NSF/ANSI 61
- Pipe Nipples and Pipe: Use Semi-Flexible Polyethylene Plastic
Inline tees are also known as branch tees.
(A) | (B) | |||||||
---|---|---|---|---|---|---|---|---|
Pipe Size | Barb OD | Pipe Size | Barb OD | Material | Color | Max. Pressure | Each | |
3/4 | 0.85" | 1 | 1.08" | PVC Plastic | Dark Gray | 200 psi @ 72° F | 00000000 | 000000 |
1 | 1.08" | 3/4 | 0.85" | PVC Plastic | Dark Gray | 200 psi @ 72° F | 00000000 | 0000 |
1 1/4 | 1.41" | 1 | 1.08" | PVC Plastic | Dark Gray | 200 psi @ 72° F | 00000000 | 0000 |
1 1/2 | 1.65" | 1 | 1.08" | PVC Plastic | Dark Gray | 160 psi @ 72° F | 00000000 | 00000 |
- For Use With: Drinking Water, Water
- Maximum Temperature: 140° F
- Specifications Met: ASTM D1784, ASTM D2609, NSF/ANSI 61
- Pipe Nipples and Pipe: Use Semi-Flexible Polyethylene Plastic
To prevent leaks in threaded connections, apply a non-hardening, plastic-compatible sealant to the male threads. Tape or sealants with PTFE are not recommended for plastic-to-plastic threaded connections. When making a threaded connection be careful not to overtighten the threads. To prevent cracks and leaks, finger tighten the fitting, then wrench-tighten one to two turns.
Inline tees are also known as branch tees.
(A) | |||||||
---|---|---|---|---|---|---|---|
Pipe Size | Barb OD | Pipe Size (B) | Material | Color | Max. Pressure | Each | |
NPT Threads | |||||||
3/4 | 0.85" | 1/2 | PVC Plastic | Dark Gray | 200 psi @ 72° F | 000000000 | 00000 |
1 | 1.08" | 1/2 | PVC Plastic | Dark Gray | 200 psi @ 72° F | 000000000 | 0000 |
1 | 1.08" | 3/4 | PVC Plastic | Dark Gray | 200 psi @ 72° F | 000000000 | 0000 |
1 1/4 | 1.41" | 1/2 | PVC Plastic | Dark Gray | 200 psi @ 72° F | 000000000 | 00000 |
1 1/4 | 1.41" | 3/4 | PVC Plastic | Dark Gray | 200 psi @ 72° F | 000000000 | 00000 |
1 1/4 | 1.41" | 1 | PVC Plastic | Dark Gray | 200 psi @ 72° F | 000000000 | 00000 |
1 1/2 | 1.65" | 1 | PVC Plastic | Dark Gray | 160 psi @ 72° F | 000000000 | 00000 |
1 1/2 | 1.65" | 1 1/4 | PVC Plastic | Dark Gray | 160 psi @ 72° F | 000000000 | 00000 |
2 | 2.11" | 1 | PVC Plastic | Dark Gray | 160 psi @ 72° F | 000000000 | 00000 |
2 | 2.11" | 1 1/2 | PVC Plastic | Dark Gray | 160 psi @ 72° F | 000000000 | 00000 |
Non-Hardening Thread Sealant | 000000 | Each | 000000 |
Low-Pressure Barbed Plastic Pipe Fittings for Water
- For Use With: Water
- Maximum Temperature: Polypropylene Plastic: 120° F
Nylon Plastic: 150° F - Specifications Met: ASTM D2609
- Pipe Nipples and Pipe: Use Semi-Flexible Polyethylene Plastic
Use these barbed pipe fittings in residential and commercial plumbing and water supply applications up to 60 psi. Also known as insert fittings, they have a barbed end that slides into semi-flexible plastic pipe and secures with a clamp (sold separately). Since you don't have to wait for cement to dry, they're quicker to install than socket-connect fittings. Fittings are plastic for good corrosion resistance. They meet ASTM D2609 specifications for barb dimensions.
Polypropylene fittings have better flexibility than nylon fittings, so they can accommodate movement and vibration in your line without cracking. They also have better moisture resistance than nylon, so they won't soften and lose strength over time. Nylon fittings have better impact and abrasion resistance than polypropylene fittings, but can soften when exposed to moisture.
Note: Barbed pipe fittings are measured by pipe size, which is not an actual measured size, but rather an industry designation.
Warning: Never use plastic pipe fittings and pipe with compressed air or gas.
For technical drawings and 3-D models, click on a part number.
Polypropylene Plastic | Nylon Plastic | |||||||
---|---|---|---|---|---|---|---|---|
Pipe Size | Barb OD | Max. Pressure | Color | Each | Color | Each | ||
1/2 | 0.65" | 60 psi @ 72° F | Light Gray | 0000000 | 00000 | White | 00000000 | 00000 |
3/4 | 0.85" | 60 psi @ 72° F | Light Gray | 0000000 | 0000 | White | 00000000 | 0000 |
1 | 1.08" | 60 psi @ 72° F | Light Gray | 0000000 | 0000 | White | 00000000 | 0000 |
1 1/4 | 1.41" | 60 psi @ 72° F | Light Gray | 0000000 | 0000 | White | 00000000 | 0000 |
1 1/2 | 1.65" | 60 psi @ 72° F | Light Gray | 0000000 | 0000 | White | 00000000 | 0000 |
2 | 2.11" | 60 psi @ 72° F | Light Gray | 0000000 | 0000 | White | 00000000 | 0000 |
Underground Snap-Lock Polyethylene Pipe Fittings for Drain, Waste, and Vent
- For Use With: Water
- Specifications Met: ASTM F667
The snap-together design allows you to quickly connect these fittings to pipe with no cement required. Fittings are typically used in gravity-flow drainage applications. Made of high-density polyethylene (HDPE), they stand up to freeze/thaw cycles and resist corrosion and stress cracking. Fittings meet ASTM F667 specifications and testing requirements for material quality as well as soil conservation service (SCS) standards for use in underground drain lines.
Warning: Never use plastic pipe fittings and pipe with compressed air or gas. Do not expose fittings to direct sunlight.
For technical drawings and 3-D models, click on a part number.
Low-Pressure Clamp-On Connectors for Drain, Waste, and Vent
To make installing and maintaining systems easy, these connectors come with clamps that form a strong seal on pipe and fittings once tightened.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Water
- Temperature Range: -40° to 120° F
- Specifications Met: ASTM D5926
- For Pipe Material: Cast Iron, Steel, Copper, Lead, PVC Plastic, CPVC Plastic, Polyethylene Plastic
For Pipe OD | For Pipe Size | Max. Pressure | Material | Clamp Material | Flexibility | Each | |
Pipe End × Pipe End × Pipe End | |||||||
---|---|---|---|---|---|---|---|
1.9" | 1 1/2 | 4 psi @ 72° F | PVC Plastic | 300 Series Stainless Steel | Flexible | 0000000 | 000000 |
2 3/8" | 2 | 4 psi @ 72° F | PVC Plastic | 300 Series Stainless Steel | Flexible | 0000000 | 00000 |
3 1/2" | 3 | 4 psi @ 72° F | PVC Plastic | 300 Series Stainless Steel | Flexible | 0000000 | 00000 |
4 1/2" | 4 | 4 psi @ 72° F | PVC Plastic | 300 Series Stainless Steel | Flexible | 0000000 | 00000 |
Super-Flow Plastic Barbed Tube Fittings for Food and Beverage
- Temperature Range: -25° to 130° F
- Tubing: Use with soft or firm (Durometer 50A-90A) polyurethane rubber or PVC plastic
- Specifications Met: FDA Compliant 21 CFR 177.1520
A smooth interior reduces friction and prevents product buildup, ensuring an unrestricted flow. Fittings have a single barb that creates a smooth clamping surface for extra-tight connections that minimize leaks. Fittings are polyethylene plastic for excellent strength.
For technical drawings and 3-D models, click on a part number.
Inline tees are also known as branch tees.
For Tube ID | Pipe Size | Material | Color | Max. Pressure | Pkg. Qty. | Pkg. | |
NPT Threads | |||||||
---|---|---|---|---|---|---|---|
1/8" | 1/8 | Polyethylene Plastic | White | Not Rated | 5 | 0000000 | 000000 |
3/16" | 1/8 | Polyethylene Plastic | White | Not Rated | 10 | 0000000 | 00000 |
3/16" | 1/4 | Polyethylene Plastic | White | Not Rated | 10 | 0000000 | 00000 |
1/4" | 1/8 | Polyethylene Plastic | White | Not Rated | 10 | 0000000 | 00000 |
1/4" | 1/4 | Polyethylene Plastic | White | Not Rated | 10 | 0000000 | 00000 |
3/8" | 1/8 | Polyethylene Plastic | White | Not Rated | 10 | 0000000 | 00000 |
3/8" | 1/4 | Polyethylene Plastic | White | Not Rated | 10 | 0000000 | 00000 |
3/8" | 3/8 | Polyethylene Plastic | White | Not Rated | 10 | 0000000 | 00000 |
3/8" | 1/2 | Polyethylene Plastic | White | Not Rated | 10 | 0000000 | 00000 |
3/8" | 3/4 | Polyethylene Plastic | White | Not Rated | 10 | 0000000 | 00000 |
1/2" | 1/4 | Polyethylene Plastic | White | Not Rated | 10 | 0000000 | 00000 |
1/2" | 3/8 | Polyethylene Plastic | White | Not Rated | 10 | 0000000 | 00000 |
1/2" | 1/2 | Polyethylene Plastic | White | Not Rated | 10 | 0000000 | 00000 |
1/2" | 3/4 | Polyethylene Plastic | White | Not Rated | 10 | 0000000 | 00000 |
1" | 1 | Polyethylene Plastic | White | Not Rated | 10 | 0000000 | 00000 |
For Tube ID | Material | Color | Max. Pressure | Pkg. Qty. | Pkg. | |
1/16" | Polyethylene Plastic | White | Not Rated | 10 | 00000000 | 000000 |
3/32" | Polyethylene Plastic | White | Not Rated | 10 | 00000000 | 00000 |
1/8" | Polyethylene Plastic | White | Not Rated | 10 | 00000000 | 00000 |
5/32" | Polyethylene Plastic | White | Not Rated | 10 | 00000000 | 00000 |
3/16" | Polyethylene Plastic | White | Not Rated | 10 | 00000000 | 00000 |
1/4" | Polyethylene Plastic | White | Not Rated | 10 | 00000000 | 00000 |
5/16" | Polyethylene Plastic | White | Not Rated | 10 | 00000000 | 00000 |
3/8" | Polyethylene Plastic | White | Not Rated | 10 | 00000000 | 00000 |
1/2" | Polyethylene Plastic | White | Not Rated | 10 | 00000000 | 00000 |
5/8" | Polyethylene Plastic | White | Not Rated | 10 | 00000000 | 00000 |
3/4" | Polyethylene Plastic | White | Not Rated | 10 | 00000000 | 00000 |
1" | Polyethylene Plastic | White | Not Rated | 10 | 00000000 | 00000 |