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![]() | Round Tube |
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Environment Environment |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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About Hose
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About Duct Hose
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About Plastic
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About Selecting Thermal Insulation
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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.
Coolant Hose

- Temperature Range: 0° to 210° F
- Material: Buna-N Rubber
- Color: Black with Green Stripe
- For Clamp Type: Worm Drive
Commonly known as radiator hose, this hose is for low-pressure coolant applications.
Per Ft. | ||||||
---|---|---|---|---|---|---|
ID | OD | Max. Pressure | Max. Continuous Lg., ft. | 1-24 | 25-Up | |
2 7/8" | 3 1/4" | 35 psi @ 72° F | 25 | 00000000 | 000000 | 000000 |
Clear Scratch- and UV-Resistant Cast Acrylic Tubes

- Color: Clear
- Temperature Range: 0° to 150° F
- Tensile Strength: 10,000-11,250 psi (Good)
- Impact Strength: 0.3-0.4 ft.-lbs./in. (Poor)
- Hardness: Rockwell M94-M100 (Hard)
- For Use Outdoors: Yes
- Specifications Met: See table
Fabricate containers, tanks, and lenses for light fixtures with these scratch- and UV-resistant cast acrylic tubes. Cast acrylic, which is comparable to Lucite and Plexiglas® Acrylic, is easier to machine than extruded acrylic. This material stands up to outdoor use better than polycarbonate and maintains clarity over time.
For technical drawings and 3-D models, click on a part number.
Clear Impact-Resistant Polycarbonate Tubes
- Color: Clear
- Temperature Range: -40° to 200° F
- Tensile Strength: 8,900-9,500 psi (Good)
- Impact Strength: 12-18 ft.-lbs./in. (Excellent)
- Hardness: Rockwell R118 (Hard)
- For Use Outdoors: No
Comparable to Lexan, Hyzod, Tuffak, and Makrolon, these polycarbonate tubes are half the weight of glass and maintain excellent impact resistance across a wide temperature range. Use them to make instrument gauge covers and display racks.
For technical drawings and 3-D models, click on a part number.
Flexible Rubber Foam Pipe Insulation
Soft and easy to install, this insulation restricts absorption of water, air, and gas. It is often used on cold and hot water lines and refrigeration lines. Seal with contact adhesive (sold separately). To use outdoors, coat in acrylic paint.
Slit tubes have an adhesive strip closure.
For technical drawings and 3-D models, click on a part number.

- Temperature Range: -295° to 180° F
- Heat Flow Rate: 0.25 Btu @ 75° F
- Density: 4.5 lbs./cu. ft.
- Color: Black
- Specifications Met: ASTM E84 25/50 for Flame and Smoke, ASTM C534

- Temperature Range: -295° to 220° F
- Heat Flow Rate: 0.25 Btu @ 75° F
- Density: 4.5 lbs./cu. ft.
- Color: Black
- Specifications Met: ASTM E84 25/50 for Flame and Smoke, ASTM C534

- Temperature Range: -295° to 220° F
- Heat Flow Rate: 0.25 Btu @ 75° F
- Density: 4.5 lbs./cu. ft.
- Color: Black
- Specifications Met: ASTM E84 25/50 for Flame and Smoke, ASTM C534
Mineral Wool Pipe Insulation

- Temperature Range: 0° to 1200° F
- Heat Flow Rate: 0.23 Btu @ 75° F
- Density: 8 lbs./cu. ft.
- Color: Yellow
- Specifications Met: ASTM E84 5/0 for Flame and Smoke, ASTM C547
Rigid and flame resistant, these insulation tubes meet ASTM E84 5/0 for flame and smoke. They are typically used in process piping and mechanical systems and perform best at temperatures up to 600° F. To use outdoors, add metal jacketing.
For technical drawings and 3-D models, click on a part number.
Economical Flexible Polyethylene Foam Pipe Insulation
For technical drawings and 3-D models, click on a part number.

- Temperature Range: -295° to 200° F
- Heat Flow Rate: 0.270 Btu @ 75° F
- Density: 1.5 lbs./cu. ft.
- Color: See table
- Specifications Met: See table
ID | For Pipe Size | Lg., ft. | Flexibility | Specifications Met | R Value | Each | |
3/8" Wall Thick. | |||||||
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Black | |||||||
2 7/8" | 2 1/2 | 6 | Flexible | ASTM E84 25/50 for Flame and Smoke | 1.4 | 000000000 | 000000 |
1/2" Wall Thick. | |||||||
Black | |||||||
2 7/8" | 2 1/2 | 6 | Flexible | ASTM E84 25/50 for Flame and Smoke | 2 | 000000000 | 00000 |
3/4" Wall Thick. | |||||||
Black | |||||||
2 7/8" | 2 1/2 | 6 | Flexible | ASTM E84 25/50 for Flame and Smoke | 3 | 000000000 | 00000 |
Fiberglass Pipe Insulation
This common insulation material is typically used on hot and cold water lines and in process piping. To use outdoors, add metal jacketing.
Tubes, elbows, and tees are formed to provide the best fit on pipe and are the easiest to install. If your pipe is larger than the sizes we offer, choose a sheet/strip.
Tubes have an all-service jacket (ASJ) made of kraft paper with an adhesive strip closure. Seal with reinforced insulation tape (sold separately).
For technical drawings and 3-D models, click on a part number.

- Temperature Range: 0° to 850° F
- Jacket Temperature Range: -20° to 150° F
- Heat Flow Rate: 0.23 Btu @ 75° F
- Density: 4.5 lbs./cu. ft.
- Color: Yellow
- Jacket Color: White
- Specifications Met: ASTM E84 25/50 for Flame and Smoke, ASTM C547, ASTM C585
ID | For Pipe Size | Lg., ft. | Flexibility | R Value | Each | |
1/2" Wall Thick. | ||||||
---|---|---|---|---|---|---|
2 7/8" | 2 1/2 | 3 | Rigid | 2.2 | 0000000 | 000000 |
1" Wall Thick. | ||||||
2 7/8" | 2 1/2 | 3 | Rigid | 4.3 | 0000000 | 00000 |
1 1/2" Wall Thick. | ||||||
2 7/8" | 2 1/2 | 3 | Rigid | 6.5 | 0000000 | 00000 |
2" Wall Thick. | ||||||
2 7/8" | 2 1/2 | 3 | Rigid | 8.7 | 0000000 | 00000 |
3" Wall Thick. | ||||||
2 7/8" | 2 1/2 | 3 | Rigid | 13 | 00000000 | 00000 |
Reinforced Insulation Tape (3" × 30 ft.) | 00000000 | Each | 000000 |

- Temperature Range: 0° to 1000° F
- Heat Flow Rate: 0.23 Btu @ 75° F
- Density: 5 lbs./cu. ft.
- Color: Brown
- Specifications Met: ASTM E84 25/50 for Flame and Smoke, ASTM C585

- Temperature Range: 0° to 1000° F
- Heat Flow Rate: 0.23 Btu @ 75° F
- Density: 5 lbs./cu. ft.
- Color: Brown
- Specifications Met: ASTM E84 25/50 for Flame and Smoke, ASTM C585
1 1/2" Wall Thick. | |||||
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ID | For Pipe Size | Flexibility | R Value | Each | |
2 7/8" | 2 1/2 | Rigid | 6.5 | 00000000 | 000000 |
Ultra-Insulating Low-Temperature Polyisocyanurate Foam Pipe Insulation
This very rigid insulation offers the lowest heat-flow rate of our pipe insulation and restricts absorption of water, air, and gas. It is typically used in process piping and chiller plants and performs best in applications below 50° F. To use outdoors, add metal jacketing.
Tubes have a kraft paper all-service jacket (ASJ) that resists mold and mildew by allowing moisture to evaporate. They have an adhesive strip closure.
For technical drawings and 3-D models, click on a part number.

- Temperature Range: -295° to 300° F
- Jacket Temperature Range: -40° to 240° F
- Heat Flow Rate: 0.17 Btu @ 75° F
- Density: 2 lbs./cu. ft.
- Color: Peach
- Jacket Color: White
- Specifications Met: ASTM E84 25/50 for Flame and Smoke
Round Shipping Tubes with Slip-On End Caps

Push the 6" long cap down onto one end to close; the other end has a permanent steel cap. Use these tubes to mail and protect blueprints, posters, long parts, and rods. Tape the seam of the cap to keep contents secure during shipping.
For technical drawings and 3-D models, click on a part number.