Silicone Coated Duct | McMaster-Carr

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57 Products

About Duct Hose

Very Flexible
Compatible Clamps: Worm-Drive and Quick-Release Clamps
Color: Orange
Temperature Range: -65° to 550° F

If you’re tight on storage space, this hose compresses down to a small size. It is for use with smoke, water-based paint fumes, welding fumes, and oil fumes.

								Spiral				Per Ft.
ID	OD	Bend Radius	Compresses To	Max. Vacuum	Max. Pressure	Material Thick.	Interior Surface Texture	Direction	Material	Max. Continuous Lg., ft.		1-24	25-Up
Silicone-Coated Fiberglass
2"	2 1/4"	1 1/2"	20%	29 in. of Hg @ 72° F	30 psi @ 72° F	0.01"	Ribbed	Right Hand	Metal	25	0000000	000000	000000
2 1/2"	2 3/4"	2"	20%	24 in. of Hg @ 72° F	30 psi @ 72° F	0.01"	Ribbed	Right Hand	Metal	25	0000000	00000	00000
3"	3 1/4"	2 1/2"	20%	14 in. of Hg @ 72° F	30 psi @ 72° F	0.01"	Ribbed	Right Hand	Metal	25	0000000	00000	00000
3 1/2"	3 3/4"	2 1/2"	20%	9 in. of Hg @ 72° F	30 psi @ 72° F	0.01"	Ribbed	Right Hand	Metal	25	0000000	00000	00000
4"	4 5/16"	3"	15%	12 in. of Hg @ 72° F	18 psi @ 72° F	0.01"	Ribbed	Right Hand	Metal	25	0000000	00000	00000
4 1/2"	4 3/4"	3"	15%	8.5 in. of Hg @ 72° F	16 psi @ 72° F	0.01"	Ribbed	Right Hand	Metal	25	0000000	00000	00000
5"	5 5/16"	3 1/2"	15%	6 in. of Hg @ 72° F	14 psi @ 72° F	0.01"	Ribbed	Right Hand	Metal	25	0000000	00000	00000
6"	6 7/16"	4"	15%	5 in. of Hg @ 72° F	7 psi @ 72° F	0.01"	Ribbed	Right Hand	Metal	25	0000000	00000	00000
8"	8 3/8"	5"	15%	2 in. of Hg @ 72° F	5 psi @ 72° F	0.01"	Ribbed	Right Hand	Metal	25	0000000	00000	00000
10"	10 3/8"	6 1/2"	15%	1 in. of Hg @ 72° F	4 psi @ 72° F	0.01"	Ribbed	Right Hand	Metal	25	0000000	00000	00000
12"	12 3/8"	7 1/2"	15%	0.7 in. of Hg @ 72° F	0.3 psi @ 72° F	0.01"	Ribbed	Right Hand	Metal	25	0000000	00000	00000

High-Temperature Flexible Duct Hose for Fumes

Flexible
Compatible Clamps: Worm-Drive Clamps
Color: Black or Red
Temperature Range: Neoprene Coated: -65° to 300° F; Silicone Coated: -75° to 500° F

Combining the heat resistance of metal with the flexibility of fabric, this fiberglass hose has a special coating that stands up to high temperatures. Hose is for use with smoke, water-based paint fumes, and welding fumes.

Silicone-coated hose handles a wider temperature range than neoprene-coated hose.

Hose with cuffed ends has finished edges for easy attachment to duct hose connectors.

Warning: Hose should not be used for applications that generate a static charge.

For technical drawings and 3-D models, click on a part number.

Hose with Unfinished Ends

								Spiral				Per Ft.
ID	OD	Bend Radius	Compresses To	Max. Vacuum	Max. Pressure	Material Thick.	Interior Surface Texture	Direction	Material	Max. Continuous Lg., ft.		1-24	25-Up
Red Silicone-Coated Fiberglass
3/4"	7/8"	1"	75%	28 in. of Hg @ 72° F	28 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	25	00000000	000000	000000
7/8"	1 1/16"	1"	75%	28 in. of Hg @ 72° F	28 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	25	00000000	00000	00000
1"	1 1/8"	1"	75%	28 in. of Hg @ 72° F	28 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	25	00000000	00000	00000
1 1/4"	1 3/8"	1 1/2"	75%	26 in. of Hg @ 72° F	26 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	25	00000000	00000	00000
1 1/2"	1 5/8"	1 1/2"	75%	24 in. of Hg @ 72° F	25 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	25	00000000	00000	00000
1 3/4"	1 7/8"	2"	75%	22 in. of Hg @ 72° F	23 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	25	00000000	00000	00000
2"	2 1/8"	2"	75%	20 in. of Hg @ 72° F	24 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	25	00000000	00000	00000
2 1/4"	2 7/16"	2 1/2"	75%	19 in. of Hg @ 72° F	21 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	25	00000000	00000	00000
2 1/2"	2 11/16"	2 1/2"	75%	18 in. of Hg @ 72° F	20 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	25	00000000	00000	00000
3"	3 3/16"	3"	75%	16 in. of Hg @ 72° F	19 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	25	00000000	00000	00000
3 1/2"	3 3/4"	3 1/2"	75%	14 in. of Hg @ 72° F	18 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	25	00000000	00000	00000
4"	4 3/16"	4"	50%	13 in. of Hg @ 72° F	16 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	25	00000000	00000	00000
4 1/2"	4 11/16"	4 1/2"	50%	11 in. of Hg @ 72° F	15 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	25	00000000	00000	00000
5"	5 3/16"	5"	50%	10 in. of Hg @ 72° F	14 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	25	00000000	00000	00000
5 1/2"	5 11/16"	5 1/2"	50%	8 in. of Hg @ 72° F	13 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	25	00000000	00000	00000
6"	6 3/16"	6"	50%	7 in. of Hg @ 72° F	11 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	25	00000000	00000	00000
6 1/2"	6 11/16"	6 1/2"	50%	6 in. of Hg @ 72° F	11 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	25	00000000	00000	00000
7"	7 3/16"	7"	50%	5 in. of Hg @ 72° F	9 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	25	00000000	00000	00000
8"	8 3/16"	8"	50%	3 in. of Hg @ 72° F	7 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	25	00000000	00000	00000
9"	9 3/16"	9"	50%	2 in. of Hg @ 72° F	6 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	25	00000000	00000	00000
10"	10 1/4"	10"	50%	1.5 in. of Hg @ 72° F	5 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	25	00000000	00000	00000
11"	11 1/4"	11"	50%	1 in. of Hg @ 72° F	4 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	25	00000000	00000	00000
12"	12 1/4"	12"	50%	1 in. of Hg @ 72° F	4 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	25	00000000	00000	00000

Hose with Cuffed Ends

								Spiral
ID	OD	Bend Radius	Compresses To	Max. Vacuum	Max. Pressure	Material Thick.	Interior Surface Texture	Direction	Material		5 ft.	15 ft.	25 ft.
Red Silicone-Coated Fiberglass
2"	2 1/8"	2"	75%	20 in. of Hg @ 72° F	24 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	000000000	000000	0000000	0000000
3"	3 3/16"	3"	75%	16 in. of Hg @ 72° F	19 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	000000000	000000	000000	000000
4"	4 3/16"	4"	50%	13 in. of Hg @ 72° F	16 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	000000000	000000	000000	000000
6"	6 3/16"	6"	50%	7 in. of Hg @ 72° F	11 psi @ 72° F	0.023"	Ribbed	Right Hand	Metal	000000000	000000	000000	000000

Flexible Duct Hose for Corrosive Fumes

Flexible
Compatible Clamps: Worm-Drive Clamps
Color: Red
Temperature Range: -75° to 400° F

A nonstick PTFE liner gives this hose the ability to handle corrosive fumes such as smoke, paint fumes, hydrochloric acid fumes, and toluene fumes.