2 13/16" Tubing | McMaster-Carr

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41 Products

About Duct Hose

About Fire-Fighting Hose Threads

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.

Galvanized Steel
ID	OD	Bend Radius	Interior Surface Texture	Other Lengths, ft.		5 ft.	6 ft.	7 ft.	8 ft.	9 ft.	10 ft.	15 ft.	20 ft.	25 ft.
0.026" Material Thick.
2 1/2"	2 13/16"	10"	Ribbed	1 to 50	0000000	000000	000000	000000	000000	000000	0000000	0000000	0000000	0000000

All-Plastic Flexible Duct Hose for Fumes

Flexible
Compatible Clamps: Worm-Drive and Twin-Ring Clamps
Color: Green
Temperature Range: 0° to 150° F

Unlike other duct hose that has a metal spiral, this hose has a plastic spiral that will not rust. Hose is for use with smoke, water-based paint fumes, and welding fumes. It has a smooth interior for unrestricted flow.

							Spiral
ID	OD	Bend Radius	Compresses To	Max. Vacuum	Material Thick.	Interior Surface Texture	Direction	Material	Lg., ft.		Per Ft.
PVC
2 1/2"	2 13/16"	4"	50%	5 in. of Hg @ 72° F	0.047"	Smooth	Right Hand	Plastic	5, 10, 20, 25, 50, 100	0000000	00000

Clear Flexible Duct Hose with Wear Strip for Fumes

Flexible
Compatible Clamps: Twin-Ring Hose Clamps
Color: Clear; Wear Strip is Black
Temperature Range: -13° to 140° F

Vent smoke, water-based paint fumes, and welding fumes with this hose that gives you a clear view inside your line. It has a smooth interior for unrestricted flow and a wear strip to protect against damage caused by dragging. Hose should not be compressed.

						Spiral				Per Ft.
ID	OD	Bend Radius	Max. Pressure	Material Thick.	Interior Surface Texture	Direction	Material	Max. Continuous Lg., ft.		1-99	100-Up
PVC
2 1/2"	2 13/16"	2 1/2"	6 psi @ 72° F	0.035"	Smooth	Right Hand	Plastic	100	0000000	00000	00000

Continuous-Flex Duct Hose for Wood Chips and Plastic Pellets

Flexible
Compatible Clamps: Worm-Drive and Quick-Release Clamps
Color: Black
Temperature Range: -40° to 250° F

The neoprene coating on this hose withstands continuous motion without weakening. Hose is also for use with cardboard fibers. It meets UL 94 V-0 for flame retardance.

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

								Spiral					Per Ft.
ID	OD	Bend Radius	Compresses To	Max. Vacuum	Max. Pressure	Material Thick.	Interior Surface Texture	Direction	Material	Specifications Met	Max. Continuous Lg., ft.		1-24	25-Up
Neoprene-Coated Nylon
2 1/2"	2 13/16"	3/4"	25%	29 in. of Hg @ 72° F	30 psi @ 72° F	0.026"	Ribbed	Right Hand	Metal	UL 94 V-0	25	0000000	000000	000000

Flame-Resistant Duct Hose for Wood Chips and Plastic Pellets

Flexible
Compatible Clamps: Worm-Drive Clamps
Color: Semi-Clear
Temperature Range: -65° to 225° F

Hose meets UL 94 V-2 for flame retardance. The walls are semi-clear so you get a glimpse of what’s running through your line. Hose is also for use with cardboard fibers.

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

								Spiral					Per Ft.
ID	OD	Bend Radius	Compresses To	Max. Vacuum	Max. Pressure	Material Thick.	Interior Surface Texture	Direction	Material	Specifications Met	Max. Continuous Lg., ft.		1-24	25-Up
Polyurethane
2 1/2"	2 13/16"	2 1/2"	35%	29 in. of Hg @ 72° F	30 psi @ 72° F	0.03"	Ribbed	Right Hand	Metal	UL 94 V-2	50	000000	000000	000000

Blo-R-Vac Flexible Duct Hose for Dust

Black Hose

White Hose

Flexible
Compatible Clamps: Worm-Drive Clamps
Color: Black, White, or Blue
Temperature Range: -40° to 250° F

A good general purpose hose for blowing and vacuum applications, this hose is for use with grinding dust, sawdust, and lint.

TPR rubber hose meets UL 94 HB for flame retardance.

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

								Spiral					Per Ft.
ID	OD	Bend Radius	Compresses To	Max. Vacuum	Max. Pressure	Material Thick.	Interior Surface Texture	Direction	Material	Specifications Met	Max. Continuous Lg., ft.		1-24	25-Up
Inch
Black TPR Rubber
2 1/2"	2 13/16"	4"	50%	28 in. of Hg @ 72° F	13 psi @ 72° F	0.03"	Ribbed	Left Hand	Metal	UL 94 HB	25	000000000	00000	00000
White TPR Rubber
2 1/2"	2 13/16"	4"	50%	28 in. of Hg @ 72° F	13 psi @ 72° F	0.03"	Ribbed	Left Hand	Metal	UL 94 HB	25	000000000	0000	0000

Flexible Duct Hose for Clean Environments

Flexible
Compatible Clamps: Worm-Drive Clamps
Color: White
Temperature Range: -20° to 325° F

This white hose makes dirt and other contaminants easy to spot. Hose is for use with lint, dust, and sawdust and can also be used in food industry or pharmaceutical applications.

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

								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
Acrylic-Coated Polyester
2 1/2"	2 13/16"	2 1/2"	35%	29 in. of Hg @ 72° F	30 psi @ 72° F	0.03"	Ribbed	Right Hand	Metal	25	0000000	000000	000000

Very Flexible Duct Hose for Dust

Black Hose

Very Flexible
Compatible Clamps: Worm-Drive Clamps
Color: Clear or Black
Temperature Range: Clear: -20° to 180° F; Black: -40° to 250° F

The small bend radius makes this hose easy to wrap around corners and install in tight spaces. It is for use with lint, dust, and sawdust.

Black hose meets UL 94 V-0 for flame retardance.

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

								Spiral					Per Ft.
ID	OD	Bend Radius	Compresses To	Max. Vacuum	Max. Pressure	Material Thick.	Interior Surface Texture	Direction	Material	Specifications Met	Max. Continuous Lg., ft.		1-24	25-Up
Black Neoprene-Coated Polyester
2 1/2"	2 13/16"	1 1/2"	25%	29 in. of Hg @ 72° F	30 psi @ 72° F	0.03"	Ribbed	Right Hand	Metal	UL 94 V-0	25	0000000	000000	00000

Bend-and-Stay Very Flexible Duct Hose for Dust

Very Flexible
Compatible Clamps: Worm-Drive Clamps
Color: Brown or White
Temperature Range: -4° to 175° F

Bend this hose in any direction and it will hold its shape without support. Create longer lengths by twisting one end of the hose into another—no need for a duct hose connector or clamp.

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

Duct Hose

Brown Hose

White Hose

								Spiral				Per Ft.
ID	OD	Bend Radius	Compresses To	Max. Vacuum	Max. Pressure	Material Thick.	Interior Surface Texture	Direction	Material	Max. Continuous Lg., ft.		1-19	20-Up
Brown Polypropylene
2 1/2"	2 13/16"	1"	35%	19 in. of Hg @ 72° F	10 psi @ 72° F	0.015"	Ribbed	Left Hand	Metal	20	000000000	00000	00000
White Polypropylene
2 1/2"	2 13/16"	1"	35%	19 in. of Hg @ 72° F	10 psi @ 72° F	0.015"	Ribbed	Left Hand	Metal	20	000000000	0000	0000

Screw-On Fittings

Brown Fitting

White Fitting

Fittings screw over the end of duct hose to connect equipment.

	ID		OD
For Hose ID	A	B	A	B		Each
Brown EPDM Rubber
2 1/2"	2 13/16"	2 1/2"	2 15/16"	2 13/16"	000000000	000000
White EPDM Rubber
2 1/2"	2 13/16"	2 1/2"	2 15/16"	2 13/16"	000000000	00000

Duct Hose with Wear Strip for Liquids

Flexible
Color: Clear; Wear Strip is Blue
Temperature Range:-40° to 200° F

Run water, mist, oil, and chemicals such as citric and acetic acid through this hose. Hose has a wear strip that protects against damage caused by dragging.

Duct Hose

							Spiral
ID	OD	Bend Radius	Max. Vacuum	Max. Pressure	Material Thick.	Interior Surface Texture	Direction	Material	Max. Continuous Lg., ft.		Per Ft.
Polyurethane
2 1/4"	2 13/16"	4 13/16"	28 in. of Hg @ 72° F	40 psi @ 72° F	0.055"	Ribbed	Left Hand	Plastic	50	00000000	000000

High-Pressure Wet-Food and Beverage Hose

Temperature Range: -40° to 240° F
Maximum Vacuum: 29" of Hg @ 72° F
Material: Chlorobutyl rubber with an EPDM rubber cover
Color: Gray
Compatible Hose Fittings: Cam-and-Groove

Strong yarn reinforces this hose to give it a higher pressure rating than other food and beverage hose. Also known as brewer’s and vintner’s hose, the hose material is FDA compliant. Hose is not for continuous steam service.

						Per Ft.
ID	OD	Bend Radius	Specifications Met	Max. Continuous Lg., ft.		1-99	100-Up
250 psi @ 72° F Max. Pressure
2"	2 13/16"	7"	3-A Certified 18-03, FDA Compliant 21 CFR 177.2600	100	000000000	000000	000000

High-Pressure Wet-Food and Beverage Hose with Sanitary Fittings

Temperature Range: -40° to 240° F
Maximum Vacuum: 29" of Hg @ 72° F
Maximum Pressure: 250 psi @ 72° F
Material: Chlorobutyl Rubber with EPDM Rubber Cover
Color: Gray
Specifications Met: 3-A Certified 18-03

Strong yarn reinforces this hose to give it a higher pressure rating than other food and beverage hose. Hose is not for continuous steam service. Fittings are also known as tri-clamp fittings. They attach to other quick-clamp fittings with a gasket and a clamp.

316 Stainless Steel Quick-Clamp Sanitary × 316 Stainless Steel Quick-Clamp Sanitary
Flange OD	ID	OD	Bend Radius	Other Lengths		5 ft.	10 ft.	15 ft.	20 ft.	25 ft.	30 ft.	50 ft.
2.516" × 2.516"	2"	2 13/16"	7"	1 to 100 ft.	000000000	0000000	000000000	000000000	000000000	000000000	000000000	000000000

High-Pressure Wet-Food and Beverage Hose with Cam-and-Groove Socket and Plug

Temperature Range: -40° to 240° F
Maximum Vacuum: 29" of Hg @ 72° F
Material: Chlorobutyl Rubber with EPDM Rubber Cover
Color: Gray
Specifications Met: 3-A Certified 18-03

Strong yarn reinforces this hose to give it a higher pressure rating than other food and beverage hose. Hose is not for continuous steam service. To connect fittings, insert the plug into the socket and push the levers down.

316 Stainless Steel Cam-and-Groove Female Socket × 316 Stainless Steel Cam-and-Groove Male Plug
Coupling Size	ID	OD	Bend Radius	Maximum Pressure	Other Lengths, ft.		5 ft.	10 ft.	15 ft.	20 ft.	25 ft.	30 ft.	50 ft.
2 × 2	2"	2 13/16"	7"	250 psi @ 72° F	2 to 100	000000000	0000000	0000000	000000000	000000000	000000000	000000000	000000000

Lightweight Fire-Fighting Hose

Temperature Range: -40° to 180° F
Material: Polyurethane with Polyester Cover
Color: White
Female Fitting Swivels Until Tightened

Also known as pin-rack hose, this hose can be folded to fit in a rack. The lugs provide a quick connection to hydrants and washdown equipment. Use a hook-style spanner wrench to tighten them. Fittings that swivel until tightened are easy to install.

Brass fittings are more durable than aluminum fittings.

Hoses meet NFPA Safety Standards. They are also FM Approved to meet American safety standards.

50-ft. Lengths
Lug Style	ID	OD	Hose Size	Max. Pressure	Specifications Met		Each
Brass Threaded NPSH Male × Brass Threaded NPSH Female
Pin × Pin	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	FM Approved, NFPA Safety Standards	00000000	0000000
Rocker × Rocker	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	FM Approved, NFPA Safety Standards	00000000	000000
Brass Threaded NH/NST Male × Brass Threaded NH/NST Female
Pin × Pin	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	FM Approved, NFPA Safety Standards	00000000	000000
Rocker × Rocker	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	FM Approved, NFPA Safety Standards	00000000	000000
75-ft. Lengths
Brass Threaded NPSH Male × Brass Threaded NPSH Female
Pin × Pin	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	FM Approved, NFPA Safety Standards	00000000	000000
Rocker × Rocker	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	FM Approved, NFPA Safety Standards	00000000	000000
Brass Threaded NH/NST Male × Brass Threaded NH/NST Female
Pin × Pin	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	FM Approved, NFPA Safety Standards	00000000	000000
Rocker × Rocker	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	FM Approved, NFPA Safety Standards	00000000	000000
100-ft. Lengths
Brass Threaded NPSH Male × Brass Threaded NPSH Female
Pin × Pin	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	FM Approved, NFPA Safety Standards	00000000	000000
Rocker × Rocker	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	FM Approved, NFPA Safety Standards	00000000	000000
Brass Threaded NH/NST Male × Brass Threaded NH/NST Female
Pin × Pin	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	FM Approved, NFPA Safety Standards	00000000	000000
Rocker × Rocker	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	FM Approved, NFPA Safety Standards	00000000	000000

Abrasion-Resistant Fire-Fighting Hose

Temperature Range: -40° to 150° F
Material: EPDM Rubber with Polyester Cover
Color: White
Female Fitting Swivels Until Tightened

Lightweight yet tough, this hose has an abrasion-resistant polyester cover. The lugs provide a quick connection to hydrants and washdown equipment. Use a hook-style spanner wrench to tighten them. Fittings that swivel until tightened are easy to install.

Brass fittings are more durable than aluminum fittings.

Hoses meet NFPA Safety Standards.

UL Listed and FM Approved hoses meet American safety standards.

50-ft. Lengths
Lug Style	ID	OD	Hose Size	Max. Pressure	Specifications Met		Each
Brass Threaded NPSH Male × Brass Threaded NPSH Female
Pin × Pin	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	UL Listed, FM Approved, NFPA Safety Standards	0000000	0000000
Rocker × Rocker	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	UL Listed, FM Approved, NFPA Safety Standards	0000000	000000
Brass Threaded NH/NST Male × Brass Threaded NH/NST Female
Pin × Pin	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	UL Listed, FM Approved, NFPA Safety Standards	0000000	000000
Rocker × Rocker	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	UL Listed, FM Approved, NFPA Safety Standards	0000000	000000
75-ft. Lengths
Brass Threaded NPSH Male × Brass Threaded NPSH Female
Pin × Pin	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	UL Listed, FM Approved, NFPA Safety Standards	0000000	000000
Rocker × Rocker	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	UL Listed, FM Approved, NFPA Safety Standards	0000000	000000
Brass Threaded NH/NST Male × Brass Threaded NH/NST Female
Pin × Pin	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	UL Listed, FM Approved, NFPA Safety Standards	0000000	000000
Rocker × Rocker	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	UL Listed, FM Approved, NFPA Safety Standards	0000000	000000
100-ft. Lengths
Brass Threaded NPSH Male × Brass Threaded NPSH Female
Pin × Pin	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	UL Listed, FM Approved, NFPA Safety Standards	0000000	000000
Rocker × Rocker	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	UL Listed, FM Approved, NFPA Safety Standards	0000000	000000
Brass Threaded NH/NST Male × Brass Threaded NH/NST Female
Pin × Pin	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	UL Listed, FM Approved, NFPA Safety Standards	0000000	000000
Rocker × Rocker	2 1/2"	2 13/16"	2 1/2 × 2 1/2	225 psi @ 72° F	UL Listed, FM Approved, NFPA Safety Standards	0000000	000000

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About Duct Hose

About Fire-Fighting Hose Threads

High-Temperature Rigid Metal Duct Hose for Fumes

All-Plastic Flexible Duct Hose for Fumes

Clear Flexible Duct Hose with Wear Strip for Fumes

Continuous-Flex Duct Hose for Wood Chips and Plastic Pellets

Flame-Resistant Duct Hose for Wood Chips and Plastic Pellets

Blo-R-Vac Flexible Duct Hose for Dust

Flexible Duct Hose for Clean Environments

Very Flexible Duct Hose for Dust

Bend-and-Stay Very Flexible Duct Hose for Dust

Duct Hose with Wear Strip for Liquids

High-Pressure Wet-Food and Beverage Hose

High-Pressure Wet-Food and Beverage Hose with Sanitary Fittings

High-Pressure Wet-Food and Beverage Hose with Cam-and-Groove Socket and Plug

Lightweight Fire-Fighting Hose

Abrasion-Resistant Fire-Fighting Hose