About Conduit
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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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Low-Pressure Aluminum Threaded Pipe Fittings
In addition to being lightweight, these aluminum fittings offer good corrosion resistance. Use them in low-pressure flow applications. To prevent cracking, do not tighten more than a 1/4-turn past hand tight.
- For Use With: Air, Oil, Water
- Specifications Met: ASME B1.20.1, MIL-DTL-52618
- Pressure Class: 150
- Pipe Nipples and Pipe: Use Schedule 40 aluminum
- Flanges: Use Class 125 aluminum
Pipe Size | ||||
|---|---|---|---|---|
(A) | (B) | Max. Pressure | Each | |
NPT Male × NPT Female | ||||
| 1 | 1/4 | 150 psi @ 72° F | 000000000 | 00000 |
| 1 | 3/8 | 150 psi @ 72° F | 000000000 | 0000 |
| 1 | 1/2 | 150 psi @ 72° F | 000000000 | 0000 |
| 1 | 3/4 | 150 psi @ 72° F | 000000000 | 0000 |
| 1 1/4 | 1 | 150 psi @ 72° F | 000000000 | 00000 |
| 1 1/2 | 1 | 150 psi @ 72° F | 000000000 | 00000 |
| 2 | 1 | 150 psi @ 72° F | 000000000 | 00000 |
| 2 1/2 | 1 | 150 psi @ 72° F | 000000000 | 00000 |
Medium-Pressure Aluminum Threaded Pipe Fittings
Designed for medium-pressure applications, these fittings have better strength than our low-pressure aluminum pipe fittings. They are lightweight with good corrosion resistance.
High-Pressure Aluminum Threaded Pipe Fittings
Also known as Pressure Class 3000 fittings, these have the highest pressure rating of all the aluminum pipe fittings we offer. They are lightweight with good corrosion resistance.
Bushings for Rigid Aluminum Conduit
Join two different sizes of rigid aluminum conduit. Made of nonmagnetic aluminum, these bushings withstand damp and corrosive environments.
Conduit Connection | ||||||
|---|---|---|---|---|---|---|
| Conduit Trade Size | Pipe Size | Thread Type | Gender | Specifications Met | Each | |
| 1 × 1/2 | 1 × 1/2 | NPT | Male × Female | UL Listed | 0000000 | 00000 |
| 1 × 3/4 | 1 × 3/4 | NPT | Male × Female | UL Listed | 0000000 | 0000 |
| 1 1/4 × 1 | 1 1/4 × 1 | NPT | Male × Female | UL Listed | 0000000 | 0000 |
| 1 1/2 × 1 | 1 1/2 × 1 | NPT | Male × Female | UL Listed | 0000000 | 00000 |
| 2 × 1 | 2 × 1 | NPT | Male × Female | UL Listed | 0000000 | 00000 |
Hazardous Location Conduit Bushings
Join two different sizes of thick-wall (rigid) metal conduit. These bushings meet Class I and II, Division 1 and 2 standards for flammable gases and combustible dust in hazardous locations.
Conduit Connection | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Conduit Trade Size | Pipe Size | Thread Type | Gender | Material | For Conduit Material | Environmental Rating | Specifications Met | Each | |
| 1 × 1/2 | 1 × 1/2 | NPT | Male × Female | Aluminum | Aluminum, Stainless Steel, Steel | NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA | UL Listed; CSA Certified | 0000000 | 00000 |
| 1 × 3/4 | 1 × 3/4 | NPT | Male × Female | Aluminum | Aluminum, Stainless Steel, Steel | NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA | UL Listed; CSA Certified | 0000000 | 0000 |
| 1 1/4 × 1 | 1 1/4 × 1 | NPT | Male × Female | Aluminum | Aluminum, Stainless Steel, Steel | NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA | UL Listed; CSA Certified | 0000000 | 0000 |
| 1 1/2 × 1 | 1 1/2 × 1 | NPT | Male × Female | Aluminum | Aluminum, Stainless Steel, Steel | NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA | UL Listed; CSA Certified | 0000000 | 00000 |
| 2 × 1 | 2 × 1 | NPT | Male × Female | Aluminum | Aluminum, Stainless Steel, Steel | NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G NEC Zone 1 Groups IIC, IIB, IIA | UL Listed; CSA Certified | 0000000 | 00000 |