Duct Joints | McMaster-Carr

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System of Measurement

ID

Duct Size

Shape

Adjustable-Angle Elbow

Material

Stainless Steel

Component

Adjustment Sleeve

Duct with Access Panel

OD

Flexibility

For Use With

Color

Inside Surface Texture

Length

Maximum Temperature

Less than 250° F

250° F to 499° F

500° F to 749° F

750° F to 999° F

1,000° F or greater

Performance

Chemical Resistant

Corrosion Resistant

Flame Retardant

Quick Disconnect

Vibration Damping

RoHS

REACH

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Fitting Connection

Interlocking Bracket

Quick-Disconnect Clamp

Worm-Drive Clamp

Finish

Aluminum Oxide Coated

Aluminum-Zinc Alloy Coated

Neoprene Coated

Silicone Coated

Duct Type

Maximum Vacuum @ Temperature

0.01 in. Hg @ 72° F

0.02 in. Hg @ 72° F

0.03 in. Hg @ 72° F

0.05 in. Hg @ 72° F

0.07 in. Hg @ 72° F

0.1 in. Hg @ 72° F

0.2 in. Hg @ 72° F

0.3 in. Hg @ 72° F

0.4 in. Hg @ 72° F

0.5 in. Hg @ 72° F

0.58 in. Hg @ 72° F

0.6 in. Hg @ 72° F

0.7 in. Hg @ 72° F

0.88 in. Hg @ 72° F

1 in. Hg @ 72° F

1.1 in. Hg @ 72° F

1.2 in. Hg @ 72° F

1.3 in. Hg @ 72° F

Clamp Type

Duct Profile

Bend Radius

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3,068 Products

Duct and Fittings

Standard Duct and Fittings

Standard Duct and Fittings

Deliver air for a range of HVAC applications, including exhaust and dust collection

Spiral Duct and Fittings

Spiral Duct and Fittings

A continuous seam reinforces duct against suction from dust collection systems

Quick-Disconnect Duct and Fittings

Quick-Disconnect Duct and Fittings

The fastest to disassemble for dust collection and other frequently cleaned systems

Vibration-Damping Duct Connectors

Vibration-Damping Duct Connectors

Reduce shaking and noise from fans and blowers

Duct Flanges

Mount to air handlers and HVAC equipment to start a run of duct

Rectangular Duct and Fittings

Rectangular Duct and Fittings

Maximize the space in close quarters, such as inside walls and ceilings

Chemical-Resistant Duct and Fittings

Chemical-Resistant Duct and Fittings

Withstand corrosive gases, vapors, and fumes that would eat away at most metal duct

Tight-Seal Spiral Duct and Fittings

Tight-Seal Spiral Duct and Fittings

Gasketed fittings prevent leaks and the seam reinforces duct against suction from dust collection systems

Fabric Duct and Fittings

Fabric Duct and Fittings

Evenly distribute air from fans and blowers through large spaces

Oval Duct and Fittings

Oval Duct and Fittings

Half the height of rectangular duct to fit into the tightest spaces

Duct Vent Caps

Cover wall and roof vents to prevent cold air and debris from entering your system

Other Products

Duct Hose and Fittings

Duct Hose and Fittings

Connect to blowers and vacuums to move air, fumes, dust, chips, and liquid

Duct Floor Sweeps

Duct Floor Sweeps

Get dust and debris off your floor and into your collection system

Chimney Pipe and Fittings

Chimney Pipe and Fittings

Vent hot air and fumes from boilers, furnaces, and stoves

Diffuser Collars

Diffuser Collars

Connect diffusers to duct

Pipe Flashing Seals

Pipe Flashing Seals

Slide over roof flashings for a watertight seal without the need for caulk

Duct Damper Handles

Duct Damper Handles

Replace an existing handle or pair with a blade to create your own damper

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)