Press Fit Vents | McMaster-Carr

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	System of Measurement System of Measurement

Inch

	OD OD

	ID ID

	Duct Size Duct Size

3 1/2

4 1/2

	Shape Shape


45° Elbow	60° Elbow

90° Elbow	Adjustable- Angle Elbow

Cap	Straight

Tee

	Material Material

	Component Component

	Connection Type Connection Type	Show

Press Fit

	Connection Type Connection Type	Hide

Quick-Disconnect Clamp

	For Duct Diameter For Duct Diameter

	For System Type For System Type

	Gauge Gauge

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Chimney Pipe Size Chimney Pipe Size

	Gender Gender

Male

Female

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	Gate Material Gate Material

	Slide Material Slide Material

Steel

Stainless Steel

Plastic

	For Duct Shape For Duct Shape

Rectangular

Round

Square

	Finish Finish

Painted

Galvanized

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	Maximum Temperature Maximum Temperature

400° to 499.9° F

	Diameter Diameter

263 Products

Ductwork and Louvers

Standard Duct and Fittings

No need for clamps or connectors—duct and fittings have a male end that is slightly smaller than its female end for simple assembly.

Chemical-Resistant Duct and Fittings

Made of PVC plastic to withstand acids, alkalies, salts, and other corrosive vapors and fumes.

Airflow Dampers

Regulate airflow by adjusting dampers from fully open to fully closed.

Automatic Airflow Dampers

Save energy and increase comfort by heating and cooling only the areas that need it.

Fire-Rated Airflow Dampers

In the event of a fire, these dampers automatically stop airflow through duct.

Furnace Draft Dampers

Also known as barometric dampers, these dampers improve furnace performance by automatically opening and closing to maintain consistent airflow despite changing environmental conditions.

Blast Gates

Control the flow of air and material through duct systems.

Self-Cleaning Blast Gates

Use in dust collection systems. The slide pushes through the top of the gate to clear debris.

Easy-Install Blast Gates

Often added to existing systems, these gates install without disassembling duct. Also known as half gates.

Automatic Blast Gates

More convenient than other blast gates, these automatic gates open and close in sync with dust collectors, fume exhausters, and other machines.

Gas Chimney Vents and Fittings

For use with gas-fired equipment, such as boilers and furnaces, these vent pipes and fittings withstand temperatures up to 400° F. Also known as type B gas vents.

Chimney Vent Caps

Cover chimneys to reduce downdrafts and prevent obstructions from entering.

Spark-Protection Chimney Vent Caps

The expanded mesh on these vent caps provides spark protection.