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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Plastic Barbed Hose Fittings for Water
Made of polypropylene, these fittings have good corrosion and abrasion resistance, and are lighter in weight than metal barbed hose fittings. Slide the barbed end into plastic or rubber hose and secure with a clamp.
Fittings with a threaded end are also known as hose nipples.
- Maximum Pressure: 150 psi @ 72° F
- Temperature Range: 10° to 150° F
- Attachment Type: Use Worm-Drive Clamps or Bolt Clamps
Plastic Barbed Tube Fittings for Air and Water
Fittings have barbs that grip onto tubing.
Acetal fittings won’t absorb water and lose strength, even in high-humidity environments.
- Temperature Range: -40° to 175° F
- Tubing: Use with firm or soft (Durometer 40A-80A) polyurethane rubber or PVC plastic
| For Tube ID, mm | Material | Color | Clarity | Maximum Pressure | Pkg. Qty. | Pkg. | |
| 4 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 10 | 00000000 | 000000 |
| 5 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 10 | 00000000 | 00000 |
| 6 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 10 | 00000000 | 00000 |
| 12 | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 10 | 00000000 | 00000 |
Tight-Seal Plastic Barbed Tube Fittings for Air and Water
Minimize leaks in your line—these fittings have a single barb that creates a smooth clamping surface for extra-tight connections. Fittings are nylon for excellent impact and abrasion resistance.
- Temperature Range: -50° to 275° F
- Tubing: Use with firm (Durometer 75A-80A) polyurethane rubber or PVC plastic
- Clarity: Black: Opaque; Off-White: Semi-Clear
Stainless Steel High-Pressure Barbed Tube Fittings for Air and Water
- Temperature Range: See table
- Tubing: Use with firm (Durometer 75A-95A) EVA plastic, polyethylene plastic, polypropylene plastic or PVC plastic
Fittings withstand pressures up to 250 psi. They are 303 stainless steel for very good corrosion resistance.
| For Tube ID | Material | Max. Pressure | Temp. Range, °F | Each | |
| 0.012" | 303 Stainless Steel | 250 psi @ 72° F | -40° to 1200° F | 00000000 | 000000 |
| 0.02" | 303 Stainless Steel | 250 psi @ 72° F | -40° to 1200° F | 00000000 | 00000 |
| 0.025" | 303 Stainless Steel | 250 psi @ 72° F | -40° to 1200° F | 00000000 | 00000 |
| 0.04" | 303 Stainless Steel | 250 psi @ 72° F | -40° to 1200° F | 00000000 | 00000 |
| 0.058" | 303 Stainless Steel | 250 psi @ 72° F | -40° to 1200° F | 00000000 | 00000 |
| 0.062" | 303 Stainless Steel | 250 psi @ 72° F | -40° to 1200° F | 00000000 | 00000 |
| 0.078" | 303 Stainless Steel | 250 psi @ 72° F | -40° to 1200° F | 00000000 | 00000 |
Stainless Steel Barbed Tube Fittings for Food and Beverage
- Temperature Range: -20° to 750° F
- Tubing: Use with soft or firm (Durometer 65A-90A) polyurethane rubber or PVC plastic
- Specifications Met: See table
Made of stainless steel, these fittings are more durable than plastic barbed tube fittings for food and beverage. They have single or multiple barbs that grip onto tubing.
| For Tube ID | Material | Max. Pressure | Specifications Met | Each | |
| 1/8" | 303 Stainless Steel | 270 psi @ 72° F | ASTM A581, ASTM A582 | 00000000 | 000000 |
| 1/4" | 303 Stainless Steel | 270 psi @ 72° F | ASTM A581, ASTM A582 | 00000000 | 00000 |
| 3/8" | 303 Stainless Steel | 270 psi @ 72° F | ASTM A581, ASTM A582 | 00000000 | 00000 |
| 1/2" | 303 Stainless Steel | 270 psi @ 72° F | ASTM A581, ASTM A582 | 00000000 | 00000 |
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 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