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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Repair Clamps for Steel Tubing
- For Use With: Air, Water
- Temperature Range: -50° to 180° F
- Tubing: Use with steel
Repair pinholes, punctures, and cracks in low-pressure systems with these clamps. Because of the full-coverage gasket and strip that bridges the opening between bolts, they work like couplings, fixing even full-circle breaks. Their neoprene gaskets can be used with air and water. Clamps are 304 stainless steel for very good corrosion resistance.
Choose a clamp that’s long enough to cover your damaged area and at least 1” on both sides. To install, insert your tubing into the clamp and tighten the bolt to create a secure seal.
For technical drawings and 3-D models, click on a part number.
| For Tube OD | Material | Max. Pressure | Each | |
Neoprene Rubber Gaskets—Full Coverage | ||||
|---|---|---|---|---|
4" Lg. | ||||
| 2" | 304 Stainless Steel | 15 psi @ 72° F | 00000000 | 000000 |
| 3" | 304 Stainless Steel | 15 psi @ 72° F | 00000000 | 00000 |
| 4" | 304 Stainless Steel | 15 psi @ 72° F | 00000000 | 00000 |
| 6" | 304 Stainless Steel | 15 psi @ 72° F | 00000000 | 00000 |
6" Lg. | ||||
| 2" | 304 Stainless Steel | 15 psi @ 72° F | 00000000 | 00000 |
| 3" | 304 Stainless Steel | 15 psi @ 72° F | 00000000 | 00000 |
| 4" | 304 Stainless Steel | 15 psi @ 72° F | 00000000 | 00000 |
| 6" | 304 Stainless Steel | 15 psi @ 72° F | 00000000 | 00000 |
8" Lg. | ||||
| 2" | 304 Stainless Steel | 15 psi @ 72° F | 00000000 | 00000 |
| 3" | 304 Stainless Steel | 15 psi @ 72° F | 00000000 | 00000 |
| 4" | 304 Stainless Steel | 15 psi @ 72° F | 00000000 | 00000 |
| 6" | 304 Stainless Steel | 15 psi @ 72° F | 00000000 | 000000 |
12" Lg. | ||||
| 2" | 304 Stainless Steel | 15 psi @ 72° F | 00000000 | 00000 |
| 3" | 304 Stainless Steel | 15 psi @ 72° F | 00000000 | 000000 |
| 4" | 304 Stainless Steel | 15 psi @ 72° F | 00000000 | 000000 |
| 6" | 304 Stainless Steel | 15 psi @ 72° F | 00000000 | 000000 |
Clamps for Vacuum Fittings for Steel Tubing
Use these clamps to connect vacuum tube fittings. Insert two fittings into a clamp and tighten to form a secure seal.
For technical drawings and 3-D models, click on a part number.
- For Use With: Air, Glass, Plastic Pellets, Resins, Wood Chips
- Temperature Range: Neoprene Rubber Gaskets: -20° to 190° F
Silicone Rubber Gaskets: -100° to 500° F - Tubing: Use with steel
Bolt clamps have a stainless steel strip that provides an escape route for electrostatic buildup when used in a fully-grounded system. They have fair corrosion resistance.
Neoprene Rubber Gaskets | Silicone Rubber Gaskets | ||||||
|---|---|---|---|---|---|---|---|
| For Tube OD | Material | Max. Pressure | Max. Vacuum | Each | Each | ||
| 1 1/2" | Galvanized Steel | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 0000000 | 000000 | 0000000 | 000000 |
| 1 3/4" | Galvanized Steel | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
| 2" | Galvanized Steel | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
| 2 1/8" | Galvanized Steel | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
| 2 1/4" | Galvanized Steel | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
| 2 1/2" | Galvanized Steel | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
| 3" | Galvanized Steel | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
| 5" | Galvanized Steel | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
| 6" | Galvanized Steel | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 0000000 | 00000 | 0000000 | 00000 |
| 8" | Galvanized Steel | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 0000000 | 00000 | 0000000 | 000000 |
| 10" | Galvanized Steel | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 0000000 | 00000 | 0000000 | 000000 |
- For Use With: Air, Plastic Pellets
- Tubing: Use with galvanized steel, steel
T-handle clamps allow you to quickly disassemble and reassemble your line without tools. They offer very good corrosion resistance.
| For Tube OD | Material | Gasket Material | Max. Pressure | Max. Vacuum | Each | |
| 1 1/2" | 304 Stainless Steel | Gum Rubber | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 0000000 | 000000 |
| 2" | 304 Stainless Steel | Gum Rubber | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 0000000 | 00000 |
| 2 1/4" | 304 Stainless Steel | Gum Rubber | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 0000000 | 00000 |
| 2 1/2" | 304 Stainless Steel | Gum Rubber | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 0000000 | 00000 |
| 3" | 304 Stainless Steel | Gum Rubber | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 0000000 | 00000 |
| 3 1/4" | 304 Stainless Steel | Gum Rubber | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 0000000 | 00000 |
| 5" | 304 Stainless Steel | Gum Rubber | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 0000000 | 00000 |
| 6" | 304 Stainless Steel | Gum Rubber | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 0000000 | 00000 |
| 8" | 304 Stainless Steel | Gum Rubber | 15 psi @ 72° F | 15 in. of Hg @ 72° F | 0000000 | 000000 |
Repair Clamps for Copper Tubing
- For Use With: Air, Diesel Fuel, Drinking Water, Hydraulic Fluid, Natural Gas, Oil, Water
- Temperature Range: -20° to 180° F
- Tubing: Use with K, M, L copper
- Specifications Met: NSF/ANSI 61
Repair leaks in copper tubing. These clamps have a full-coverage gasket for fixing pinholes, cracks, and nearly full-circle breaks. They can also be used to add support to corroded tubing. Their Buna-N gasket works with a variety of media, such as air, water, oil, and hydraulic fluid. And since they meet NSF/ANSI 61, these clamps are safe to use with drinking water systems. They’re made of 304 stainless steel for very good corrosion resistance.
Choose a clamp that’s long enough to cover your damaged area with at least 1” on both sides. Clamps slide over tubing, so there’s no need to disassemble your system.
Copper tube size is the accepted designation of the copper tubing industry, not the actual OD.
For technical drawings and 3-D models, click on a part number.
Low-Pressure Clamp-On Connectors for Air
- For Use With: Air
- Temperature Range:
Neoprene Rubber Gasket: -20° to 190° F
Silicone Rubber Gasket: -100° to 500° F - For Pipe Material: Stainless Steel, Iron, Steel, Aluminum, Copper, PVC Plastic, CPVC Plastic
Tighten the bolts on these connectors to join two pieces of rigid pipe of the same or different materials. They are for use in low-pressure air and vacuum conveying systems, as well as in gravity-flow systems. Connectors have a stainless steel strip that provides an escape route for electrostatic buildup when used in a fully grounded system.
Connectors with sleeve have an inner lining that protects the gasket.
For technical drawings and 3-D models, click on a part number.
Neoprene Rubber Gasket | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For Pipe OD | For Pipe Size | Lg. | No. of Bolts | Max. Pressure | Max. Vacuum | Material | Nut Material | Bolt Material | Each | |
Connectors with 430 Stainless Steel Sleeve | ||||||||||
| 4" | 3 1/2 | 8" | 4 | 15 psi @ 72° F | 15 in. of Hg @ 72° F | Galvanized Steel | Zinc-Plated Steel | Zinc-Plated Steel | 0000000 | 000000 |
Low-Pressure Clamp-On Connectors for Water
Also known as no-hub couplings, these have a one-piece sleeve with a stop in the center, so you know your pipe is always aligned correctly. Tighten the bands to form a strong seal on rigid pipe of the same or different materials. Connectors are 304 stainless steel for good corrosion resistance.
Note: Copper tube size is the accepted designation of the copper tubing industry, not the actual OD.
For technical drawings and 3-D models, click on a part number.
- For Use With: Water
- Temperature Range: 0° to 180° F
- Specifications Met: ASTM A666, ASTM C564
- For Pipe Material: Stainless Steel, Iron, Steel, Aluminum, PVC Plastic
- For Tube Material: Copper