About Duct Hose
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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 Stainless Steel Threaded Pipe Fittings
Use these fittings in a low-pressure pipe line. 316 stainless steel fittings have excellent corrosion resistance. Adapters with weld end allow for a permanent connection.
Adapters for tanks create an inlet or outlet connection on the surface of any tank, pressure vessel, or drum. Adapters with extension fit tightly into the hole, which keeps the fitting steady during welding.
- For Use With: Water, Oil, Gasoline, Diesel Fuel
- Specifications Met: ASTM A182, ASME B1.20.1
316 Stainless Steel | |||||
|---|---|---|---|---|---|
Pipe Size | For Hole Dia. | OD | Lg. | Each | |
NPT Female × Weld | |||||
| 2 1/2 | 3 1/8" | 4 1/16" | 13/16" | 0000000 | 0000000 |
Low-Pressure Iron and Steel Threaded Pipe Fittings
Use these fittings for low-pressure applications in noncorrosive environments.
Adapters for tanks create an inlet or outlet connection on the surface of any tank, pressure vessel, or drum. Adapters with weld end allow for a permanent connection. Adapters with extension fit tightly into the hole, which keeps the fitting steady during welding.
- For Use With: Diesel Fuel, Gasoline, Oil, Water
- Specifications Met: ASTM A181, ASME B1.20.1
| Pipe Size | For Hole Dia. | OD | Lg. | Material | Each | |
NPT Female × Weld | ||||||
|---|---|---|---|---|---|---|
| 2 1/2 | 3 1/8" | 4 1/16" | 1" | Carbon Steel | 00000000 | 000000 |
High-Temperature Rigid Metal Duct Hose for Fumes
- Rigid
- Compatible Clamps: U-Bolt Clamps
- Max. Temperature: Galvanized Steel: 750° F; Aluminum: 450° F; 304 Stainless Steel: 1500° F; 316 Stainless Steel: 1200° F
Metal interlocked strips create a rigid, durable hose that stays strong under high temperatures. Hose is for use with smoke, welding fumes, and oil fumes.
Galvanized steel offers fair corrosion resistance.
Extra-Strength High-Vacuum Duct Hose for Metal Chips and Shavings
- Rigid
- Compatible Clamps: Bolt Clamps
- Color: Black
- Temperature Range: -40° to 160° F
The strongest rubber duct hose we offer, this SBR (styrene butadiene rubber) hose is reinforced with yarn and has a metal spiral. Hose has a smooth interior for unrestricted flow.
Warning: Hose should not be used for applications that generate a static charge.
Spiral | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| ID | OD | Bend Radius | Max. Vacuum | Material Thick. | Interior Surface Texture | Direction | Material | Max. Continuous Lg., ft. | Per Ft. | |
Per Foot | ||||||||||
SBR Rubber | ||||||||||
| 3 1/2" | 4 1/16" | 10" | 29 in. of Hg @ 72° F | 0.265" | Smooth | Right Hand | Metal | 50 | 0000000 | 000000 |
| Each | ||||||||||
Full Coil | ||||||||||
SBR Rubber | ||||||||||
| 3 1/2" | 4 1/16" | 10" | 29 in. of Hg @ 72° F | 0.265" | Smooth | Right Hand | Metal | 50 | 00000000 | 00000000 |
Bend-and-Stay Metal Duct Hose for Air
- Very Flexible
- Compatible Clamps: Worm-Drive Clamps
- Temperature Range: -100° to 435° F
Unlike fabric duct hose, this lightweight aluminum hose can bend around corners and hold its shape. Hose is not for continuous flexing. The hose may need support.
| ID | OD | Bend Radius | Compresses To | Material Thick. | Interior Surface Texture | Lg., ft. | Each | |
Aluminum | ||||||||
|---|---|---|---|---|---|---|---|---|
| 4" | 4 1/16" | 6" | 30% | 0.005" | Ribbed | 8 | 00000000 | 000000 |