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333 Products

Component

Duct

Pair with fittings and accessories to convey and control airflow

170 products

Adjustment Sleeve

Close gaps between sections of duct without disassembling the line

43 products

Component

Transition between duct of different sizes

25 products

Standard Duct and Fittings

Deliver air for a range of HVAC applications, including exhaust and dust collection. Our basic duct, the round shape creates smoother, more efficient airflow than rectangular and oval duct. The male end is slightly smaller than the female, so sections join without clamps or tools.

Duct

Closed Duct

Pair with compatible fittings and accessories.

Corrosion-Resistant 304 Stainless Steel—The most corrosion-resistant metal duct we sell. It won’t rust or degrade in systems that exhaust chemical fumes or vent heat from industrial ovens and dryers.

Closed Duct—With a closed seam, this duct is stronger and less prone to air leaks than open duct. However, it’s not as quick to modify when installing.

					2 ft. Long		5 ft. Long
	Duct Size	ID	OD	Ga.		Each		Each
Corrosion-Resistant 304 Stainless Steel







				Closed Duct

				4	4"	3 7/8"	24	00000000	000000	000000000	0000000


				5	5"	4 7/8"	24	00000000	00000	000000000	000000
				6	6"	5 7/8"	24	00000000	00000	00000000	000000
				7	7"	6 7/8"	24	00000000	000000	00000000	000000
				8	8"	7 7/8"	24	00000000	000000	00000000	000000
				10	10"	9 7/8"	24	00000000	000000	00000000	000000
				12	12"	11 7/8"	24	00000000	000000	00000000	000000

90° Elbow Connectors

Change the direction of airflow when joining lengths of duct.

Galvanized Steel—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.

Lightweight Aluminum—One-third the weight of steel, aluminum ductwork is easier to handle during installation. Like galvanized steel, it resists rust in wet environments but won’t last as long.

					Galvanized Steel		Corrosion-Resistant 304 Stainless Steel		Lightweight Aluminum
Duct Size	ID	OD	Seam Construction	Ga.		Each		Each		Each



	3	3"	2 7/8"	Welded	20	———	0	———	0	00000000	0000000


	5	5"	4 7/8"	Welded	20	———	0	———	0	00000000	000000
	7	7"	5 7/8"	Welded	20	———	0	———	0	00000000	000000
	10	10"	9 7/8"	Welded	20	———	0	———	0	00000000	000000
	12	12"	11 7/8"	Welded	20	———	0	———	0	00000000	000000
	14	14"	13 7/8"	Welded	20	00000000	0000000	00000000	0000000	00000000	000000
	16	16"	15 7/8"	Welded	20	00000000	000000	00000000	000000	———	0
	18	18"	17 7/8"	Welded	20	00000000	000000	00000000	000000	———	0
	20	20"	19 7/8"	Welded	20	00000000	000000	00000000	00000000	———	0
	22	22"	21 7/8"	Welded	20	00000000	000000	———	0	———	0
	24	24"	23 7/8"	Welded	20	00000000	000000	———	0	———	0

45° Elbow Connectors

Welded Seam

Change the direction of airflow when joining lengths of duct.

Galvanized Steel—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.

					Galvanized Steel		Corrosion-Resistant 304 Stainless Steel		Lightweight Aluminum
Duct Size	ID	OD	Seam Construction	Ga.		Each		Each		Each



	3	3"	2 7/8"	Welded	20	———	0	———	0	00000000	0000000


	5	5"	4 7/8"	Welded	20	———	0	———	0	00000000	000000
	7	7"	6 7/8"	Welded	20	———	0	———	0	00000000	000000
	10	10"	9 7/8"	Welded	20	———	0	———	0	00000000	000000
	12	12"	11 7/8"	Welded	20	———	0	———	0	00000000	000000
	14	14"	13 7/8"	Welded	20	00000000	0000000	00000000	0000000	00000000	000000
	16	16"	15 7/8"	Welded	20	00000000	000000	00000000	000000	———	0
	18	18"	17 7/8"	Welded	20	———	0	00000000	000000	———	0
	20	20"	19 7/8"	Welded	20	———	0	00000000	000000	———	0

Straight Connectors

Join two lengths of duct.

Galvanized Steel—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.

			Galvanized Steel
Duct Size	ID	Ga.		Each



	3	3"	26	00000000	000000


	4	4"	30	0000000	00000
	5	5"	30	0000000	00000
	6	6"	30	0000000	00000
	7	7"	30	0000000	00000
	8	8"	30	0000000	00000
	10	10"	28	0000000	00000
	12	12"	26	0000000	00000
	14	14"	26	00000000	00000
	16	16"	26	00000000	00000
	18	18"	26	00000000	00000


	20	20"	26	00000000	00000
	22	22"	26	00000000	00000
	24	24"	26	00000000	00000

Tee Connectors

Female × Female × Male

Split or merge airflow paths.

Galvanized Steel—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.

				Galvanized Steel			Corrosion-Resistant 304 Stainless Steel
	Duct Size	ID	OD	Ga.		Each	Ga.		Each
Female × Female × Male



		10	10"	9 7/8"	—	———	0	24	00000000	0000000


		12	12"	11 7/8"	—	———	0	24	00000000	000000
		14	14"	13 7/8"	—	———	0	24	00000000	000000
		16	16"	15 7/8"	—	———	0	24	00000000	000000
		18	18"	17 7/8"	—	———	0	24	00000000	000000
		20	20"	19 7/8"	24	00000000	0000000	24	00000000	000000
		22	22"	21 7/8"	22	00000000	000000	—	———	0
		24	24"	23 7/8"	22	00000000	000000	—	———	0

Straight Reducers


Female × Male	Male × Female

Transition between duct of different diameters. Reducers also join larger duct with smaller duct that connects to equipment.

Galvanized Steel—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.

	Duct Size		ID		OD		Galvanized Steel			Corrosion-Resistant 304 Stainless Steel			Lightweight Aluminum
	(A)	(B)	(A)	(B)	(A)	(B)	Ga.		Each	Ga.		Each	Ga.		Each
Female × Male



		4	3	4"	—	—	2 7/8"	—	———	0	—	———	0	24	00000000	000000


		12	8	12"	—	—	7 7/8"	—	———	0	24	00000000	0000000	—	———	0
		12	10	12"	—	—	9 7/8"	—	———	0	—	———	0	24	00000000	00000
		14	10	14"	—	—	9 7/8"	22	00000000	000000	24	00000000	000000	—	———	0
		14	12	14"	—	—	11 7/8"	22	00000000	00000	—	———	0	—	———	0
		16	12	16"	—	—	11 7/8"	22	00000000	00000	24	00000000	000000	—	———	0
		16	14	16"	—	—	13 7/8"	22	00000000	00000	—	———	0	—	———	0
		18	14	18"	—	—	13 7/8"	22	00000000	00000	24	00000000	000000	—	———	0
		18	16	18"	—	—	15 7/8"	22	00000000	00000	—	———	0	—	———	0
		20	16	20"	—	—	15 7/8"	24	00000000	000000	24	00000000	000000	—	———	0
		22	18	22"	—	—	17 7/8"	24	00000000	000000	—	———	0	—	———	0


		24	20	24"	—	—	19 7/8"	24	00000000	000000	—	———	0	—	———	0


		Male × Female



				4	3	—	3"	3 7/8"	—	24	00000000	00000	—	———	0	—	———	0


				5	4	—	4"	4 7/8"	—	24	00000000	00000	—	———	0	—	———	0
				18	14	—	14"	17 7/8"	—	24	00000000	00000	—	———	0	—	———	0
				20	18	—	18"	19 15/16"	—	24	00000000	00000	—	———	0	—	———	0
				22	20	—	20"	21 15/16"	—	24	00000000	00000	—	———	0	—	———	0
				24	22	—	22"	23 15/16"	—	24	00000000	00000	—	———	0	—	———	0

Tee Reducers

Connect duct of different diameters to split or merge airflow.

Galvanized Steel—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.

	Duct Size				OD		Galvanized Steel
	(A)	(B)	(C)	ID (A)	(B)	(C)	Ga.		Each
Female × Male × Male



		8	6	6	8"	5 7/8"	5 7/8"	24	00000000	0000000


		10	8	8	10"	7 7/8"	7 7/8"	24	00000000	000000
		12	8	8	12"	7 7/8"	7 7/8"	24	00000000	000000

Duct Damper Handles

Pair with your own blade to create an economical damper for existing duct.

Galvanized Steel—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.

	Galvanized Steel
For Max. Damper Blade Thk.		Each
0.022"	0000000	00000

Duct Blast Gates

Open and close the slide to control airflow to sections of duct. Blast gates turn flow on or off.

Aluminum with 304 Stainless Steel Slide—These blast gates have a 304 stainless steel slide that holds up to moisture and mild chemicals better than galvanized steel. The aluminum body reduces stress on your duct.

			Overall
	Duct Size	OD	Wd.	Ht.	Dp.	Features		Each
Aluminum with 304 Stainless Steel Slide



		4	3 7/8"	5"	9 1/8"	1 7/8"	Locking Screw	00000000	000000


		5	4 3/4"	6"	11 3/4"	2 1/8"	Locking Screw	00000000	00000
		6	5 13/16"	7"	14 3/8"	2 1/8"	Locking Screw	00000000	00000
		7	6 13/16"	8"	15 5/8"	2 1/2"	Locking Screw	00000000	00000
		8	7 7/8"	9 5/8"	18 1/8"	3 1/2"	Locking Screw	00000000	00000
		10	9 13/16"	11 3/8"	22 1/8"	3 3/4"	Locking Screw	00000000	000000
		12	11 13/16"	13 1/4"	26 3/4"	3 5/8"	Locking Screw	00000000	000000

Quick-Disconnect Duct and Fittings

The fastest ductwork to disassemble for dust collection and other frequently cleaned systems. Join sections with quick-release clamps that open and close with a flip of the latch. Since you don’t need screws, welds, or tools, the installation time is half that of other duct types.

Duct

Pair with compatible fittings and accessories.

Galvanized Steel—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.

				Galvanized Steel		Corrosion-Resistant 304 Stainless Steel
Duct Size	ID	Lg.	Ga.		Each		Each



	3	3 1/16"	59 1/4"	22	00000000	000000	00000000	0000000


	4	3 7/8"	59 1/4"	22	0000000	00000	00000000	000000
	5	4 7/8"	59 1/4"	22	———	0	00000000	000000
	6	5 7/8"	59 1/4"	22	———	0	00000000	000000
	7	6 7/8"	59 1/16"	22	———	0	00000000	000000
	8	7 7/8"	59 1/16"	22	00000000	00000	00000000	000000
	9	8 7/8"	59 1/16"	22	———	0	00000000	000000
	10	9 7/8"	58 3/4"	22	00000000	000000	00000000	000000
	12	12"	58 3/4"	22	00000000	000000	00000000	000000
	14	13 15/16"	58 3/4"	20	00000000	000000	00000000	000000
	16	15 15/16"	58 3/4"	20	00000000	000000	00000000	000000


	18	17 7/8"	58 3/4"	20	00000000	000000	———	0
	18	17 15/16"	58 3/4"	20	———	0	00000000	000000
	20	19 7/8"	58 3/4"	20	00000000	000000	———	0
	20	19 15/16"	58 3/4"	20	———	0	00000000	000000
	22	21 7/8"	58 3/4"	20	00000000	000000	———	0
	24	23 7/8"	58 3/4"	20	00000000	000000	———	0

Adjustment Sleeves

Close gaps between sections of duct without disassembling the whole line. To install these sleeves, cut the end of your duct and place the O-ring on the cut piece. Then, slide the sleeve on and clamp in place.

Galvanized Steel—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.

Duct Adjustment Sleeves								Replacement O-Rings
				Galvanized Steel		Corrosion-Resistant 304 Stainless Steel
Duct Size	ID	Max. Sleeve Extension	Ga.		Each		Each		Each



	3	3 1/8"	7"	22	00000000	000000	00000000	000000	00000000	00000


	4	3 15/16"	7"	22	0000000	00000	00000000	00000	00000000	0000
	5	4 15/16"	7"	22	0000000	00000	00000000	00000	00000000	0000
	6	6"	7"	22	0000000	00000	00000000	00000	00000000	0000
	7	7"	7"	22	00000000	00000	00000000	00000	00000000	0000
	8	8"	7"	22	00000000	00000	00000000	00000	00000000	0000
	9	9"	7"	22	00000000	00000	00000000	00000	00000000	0000
	10	10"	7"	22	00000000	00000	00000000	00000	00000000	0000
	12	12 1/8"	7"	22	00000000	00000	00000000	000000	00000000	0000
	14	14 1/8"	7"	20	00000000	00000	00000000	000000	00000000	0000
	16	16 1/8"	7"	20	00000000	00000	00000000	000000	00000000	0000


	18	18"	7"	20	00000000	00000	———	0	00000000	00000
	18	18 1/16"	7"	20	00000000	00000	———	0	00000000	00000
	20	20"	7"	20	00000000	00000	———	0	00000000	00000
	20	20 1/16"	7"	20	———	0	00000000	000000	00000000	00000
	22	22"	7"	20	00000000	00000	———	0	00000000	00000
	24	24"	7"	20	00000000	000000	———	0	00000000	00000

Duct Airflow Dampers

Turn the lever to adjust airflow.

Galvanized Steel—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.

					Galvanized Steel		Corrosion-Resistant 304 Stainless Steel
	Duct Size	ID	Overall Lg.	Ga.		Each		Each
Standard Airflow Damper



		3	3 3/16"	8"	22	00000000	000000	———	0


		4	3 15/16"	8"	22	00000000	00000	00000000	0000000
		5	4 15/16"	8"	22	———	0	00000000	000000
		6	6"	8"	22	———	0	00000000	000000
		7	7"	8"	22	———	0	00000000	000000
		8	8"	13"	22	00000000	00000	00000000	000000
		9	9"	13"	22	———	0	00000000	000000
		10	10"	13"	22	00000000	00000	00000000	000000
		12	12 1/8"	13"	20	00000000	00000	00000000	000000
		14	14 1/8"	17"	20	00000000	00000	00000000	000000
		16	16 1/8"	17"	20	00000000	000000	00000000	000000


		18	18 1/8"	23"	20	00000000	000000	———	0
		20	20 1/8"	23"	20	00000000	000000	———	0
		22	22 1/8"	23"	20	00000000	000000	———	0
		24	24 1/16"	23"	20	00000000	000000	———	0

Duct Blast Gates

Open and close the slide to control airflow to sections of duct. Blast gates turn flow on or off.

Aluminum with Galvanized Steel Slide—The body is aluminum to reduce stress on your duct and the slide is galvanized steel for strength. Both components resist rust in wet environments.

Corrosion-Resistant 304 Stainless Steel—The most corrosion-resistant metal duct we sell outperforms aluminum in harsh environments. It won’t rust or degrade in systems that exhaust chemical fumes or vent heat from industrial ovens and dryers.

			Overall
	Duct Size	ID	Wd.	Ht.	Dp.		Each
Aluminum with Galvanized Steel Slide



		3	3"	4"	7 1/16"	6 1/4"	00000000	000000


		4	4"	5"	9 1/2"	5 11/16"	0000000	00000
		8	8"	9 5/8"	18 1/2"	5 13/16"	00000000	00000
		10	10"	11 3/8"	21 15/16"	6"	00000000	000000
		12	12"	13 1/4"	26 13/16"	6 1/16"	00000000	000000
		14	14"	15 3/4"	29 7/8"	6 1/4"	00000000	000000
		16	16"	17 7/8"	34 5/8"	6"	00000000	000000
		18	18"	20 1/4"	40"	9 1/16"	00000000	000000
		20	20"	22 3/8"	43 1/4"	9 1/4"	00000000	000000
		22	22"	24 5/8"	45 3/4"	9 1/8"	00000000	000000
		24	24"	26 5/8"	51"	9 1/8"	00000000	000000


		Corrosion-Resistant 304 Stainless Steel



				4	4"	6"	11 1/4"	5 7/8"	00000000	000000


				5	5"	7"	14 1/8"	5 7/8"	00000000	000000
				6	6"	7 15/16"	16 11/16"	5 5/8"	00000000	000000
				7	7"	9 3/8"	19 9/16"	5 1/8"	00000000	000000
				8	8"	10 1/2"	20 1/2"	5 3/4"	00000000	000000
				9	9"	11 5/8"	22 5/8"	5 1/4"	00000000	000000
				10	10"	12"	26 5/8"	5 3/4"	00000000	000000
				12	12"	14 1/2"	31 15/16"	5 7/8"	00000000	000000
				14	14"	16"	36 7/8"	5 15/16"	00000000	000000
				16	16"	18"	42 1/8"	5 9/16"	00000000	000000

Duct Flow Sights

Peek inside duct to monitor airflow and check for buildup and blockages. Sights have a plastic window so you can inspect without opening and disrupting the system.

Galvanized Steel—Strong and corrosion resistant, galvanized steel is the most commonly used ductwork material.

				Galvanized Steel
Duct Size	Overall Lg.	Window Material	Ga.		Each
3	12 1/2"	Acrylic Plastic	22	00000000	0000000
4	12 1/2"	Acrylic Plastic	22	00000000	000000
8	12 1/2"	Acrylic Plastic	22	00000000	000000
10	12 1/2"	Acrylic Plastic	22	00000000	000000
12	12 1/2"	Acrylic Plastic	22	00000000	000000
14	12 1/2"	Acrylic Plastic	20	00000000	000000
16	12 1/2"	Acrylic Plastic	20	00000000	000000
18	12 1/2"	Acrylic Plastic	20	00000000	000000

Duct Noise Reducers

Muffle noise from high-velocity airflow and fans, blowers, and dust collectors. These reducers are insulated to cut sound levels in your facility by 25%.

Galvanized Steel—Strong and corrosion resistant, galvanized steel is the most commonly used ductwork material.

		Overall			Galvanized Steel
Duct Size	ID	Dia.	Lg.	Sound Absorbed	Ga.		Each
3	3 1/16"	13 5/8"	28"	25%	20	00000000	0000000
4	3 7/8"	15 1/8"	28"	25%	20	00000000	000000
8	7 7/8"	19 1/8"	35"	25%	20	00000000	00000000
10	9 7/8"	21 1/8"	48"	25%	20	00000000	00000000
12	12"	23 1/8"	54"	25%	20	00000000	00000000
14	13 15/16"	25 1/8"	58"	25%	20	00000000	00000000
16	15 15/16"	27 1/8"	64"	25%	20	00000000	00000000
18	17 15/16"	30 1/8"	64"	25%	20	00000000	00000000
20	19 15/16"	32 1/8"	64"	25%	20	00000000	00000000
22	22"	34 1/8"	64"	25%	20	00000000	00000000
24	23 15/16"	36 1/8"	64"	25%	20	00000000	00000000

Duct Spark Traps

Reduce the risk of fire by snuffing out sparks before they get into your dust collection system. These traps slow down and rotate airflow so sparks are extinguished before exiting.

Powder-Coated Steel—The finish adds a layer of protection against corrosion and wear from moisture, heat, and abrasive dust.

	Overall			Powder-Coated Steel
Duct Size	Dia.	Lg.	Ga.		Each
4	10"	40"	22	00000000	0000000
5	11"	40"	22	00000000	00000000
6	12"	40"	22	00000000	00000000
7	13"	44"	22	00000000	00000000
8	14"	44"	22	00000000	00000000
9	15"	44"	22	00000000	00000000
10	16"	44"	22	00000000	00000000
12	18"	44"	22	00000000	00000000
14	20"	48"	20	00000000	00000000
16	22"	48"	20	00000000	00000000
18	24"	48"	20	00000000	00000000
20	26"	48"	20	00000000	00000000

Spiral Duct and Fittings

Reinforced with a continuous seam, this duct keeps its shape, even against suction from dust collection systems. On the inside, duct is smooth for efficient airflow. Because of its attractive look, spiral duct is often used for exposed heating and cooling systems.

Duct

Pair with compatible fittings and accessories.

Chemical-Resistant PVC-Coated Steel—This duct combines the strength of steel with the chemical resistance of plastic. More economical than 304 stainless steel and stronger than PVC, it’s often used to exhaust corrosive gases, vapors, and fumes.

			2 ft. Long			5 ft. Long
	Duct Size	ID	Ga.		Each	Ga.		Each
Chemical-Resistant PVC-Coated Steel



		4	4"	—	———	0	26	00000000	000000


		5	5"	—	———	0	26	00000000	000000
		6	6"	—	———	0	26	00000000	000000
		7	7"	—	———	0	26	00000000	000000
		8	8"	—	———	0	26	00000000	000000
		9	9"	—	———	0	26	00000000	000000
		10	10"	—	———	0	26	00000000	000000
		12	12"	—	———	0	26	00000000	000000


		Corrosion-Resistant 304 Stainless Steel



				4	4"	24	0000000	000000	24	0000000	000000


				6	6"	24	0000000	00000	24	0000000	000000
				8	8"	24	0000000	000000	24	0000000	000000
				10	10"	24	0000000	000000	24	0000000	000000

Straight Connectors

Join two lengths of duct.

Galvanized Steel—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.

				Galvanized Steel			Chemical-Resistant PVC-Coated Steel			Corrosion-Resistant 304 Stainless Steel
	Duct Size	ID	OD	Ga.		Each	Ga.		Each	Ga.		Each
Male



		3	—	2 7/8"	24	0000000	000000	—	———	0	—	———	0


		4	—	3 7/8"	24	0000000	00000	26	00000000	000000	24	0000000	000000
		5	—	4 7/8"	24	0000000	00000	26	00000000	00000	—	———	0
		6	—	5 7/8"	24	0000000	00000	26	00000000	00000	24	0000000	00000
		7	—	6 7/8"	—	———	0	26	00000000	00000	—	———	0
		8	—	7 7/8"	24	0000000	00000	26	00000000	00000	24	0000000	00000
		9	—	8 7/8"	—	———	0	26	00000000	00000	—	———	0
		10	—	9 7/8"	24	0000000	00000	26	00000000	00000	24	0000000	00000
		12	—	11 7/8"	24	0000000	00000	26	00000000	00000	—	———	0
		14	—	13 7/8"	22	0000000	00000	—	———	0	—	———	0
		16	—	15 7/8"	22	0000000	00000	—	———	0	—	———	0


		Female



				3	3"	—	24	00000000	0000	—	———	0	—	———	0


				4	4"	—	24	00000000	0000	—	———	0	—	———	0
				5	5"	—	24	00000000	0000	—	———	0	—	———	0
				6	6"	—	24	00000000	0000	—	———	0	—	———	0
				8	8"	—	24	00000000	0000	—	———	0	—	———	0
				10	10"	—	24	00000000	00000	—	———	0	—	———	0
				12	12"	—	24	00000000	00000	—	———	0	—	———	0
				14	14"	—	22	00000000	00000	—	———	0	—	———	0
				16	16"	—	22	00000000	00000	—	———	0	—	———	0

Duct Noise Reducers

Muffle noise from high-velocity airflow and fans, blowers, and dust collectors. These reducers are insulated to decrease noise levels in your facility by half.

Galvanized Steel—Strong and corrosion resistant, galvanized steel is the most commonly used ductwork material.

		Overall			Galvanized Steel with Rubber Gasket
Duct Size	OD	Dia.	Lg.	Sound Absorbed	Ga.		Each
4	3 7/8"	8 1/4"	23 5/8"	50%	24	000000	0000000
5	4 7/8"	9 1/4"	23 5/8"	50%	24	000000	000000
6	5 7/8"	10 5/8"	23 5/8"	50%	24	000000	000000
8	7 7/8"	12 3/4"	23 5/8"	50%	24	000000	000000
10	9 7/8"	14 3/8"	35 3/8"	50%	24	000000	000000
12	12 3/8"	16 3/4"	35 3/8"	50%	24	000000	000000

Duct Floor Sweeps

Get dust and debris off your floor and into your collection system. Open the hinged door of these sweeps and push material inside so it can be sucked away.

Galvanized Steel—Strong and corrosion resistant, galvanized steel is the most commonly used ductwork material.

		Overall			Galvanized Steel
Duct Size	ID	Wd.	Ht.	Dp.	Ga.		Each
6	6"	11 1/8"	18 1/4"	6"	18	00000000	0000000

Chemical-Resistant Duct and Fittings

Chemicals can eat away at most metal duct, but not this PVC system. It’s often used to exhaust corrosive gases, vapors, and fumes. Components press-fit together and secure with PVC pipe cement.

Duct

Pair with compatible fittings and accessories.

To start a run of duct, mount a flange to equipment. Flanges also create a secure joint between sections of duct—attach a flange to each piece. Also known as angle rings.

	Duct							Duct Flanges
				5 ft. Long		10 ft. Long
	Duct Size	OD	Color		Each		Each		Each
PVC



		4	4 1/2"	Gray	0000000	000000	00000000	0000000	000000	000000


		6	6 5/8"	Gray	0000000	000000	0000000	000000	0000000	00000
		8	8 5/8"	Gray	0000000	000000	0000000	000000	0000000	00000
		10	10 3/4"	Gray	0000000	000000	0000000	000000	0000000	000000
		12	12 3/4"	Gray	0000000	000000	0000000	000000	0000000	000000
		14	14"	Gray	0000000	000000	0000000	000000	0000000	000000

Straight Connectors

Join two lengths of duct.

			PVC
Duct Size	ID	Color		Each



	4	4 1/2"	Gray	00000000	000000


	6	6 5/8"	Gray	0000000	00000
	8	8 5/8"	Gray	0000000	00000
	10	10 3/4"	Gray	0000000	00000
	12	12 3/4"	Gray	0000000	00000
	14	14"	Gray	0000000	00000

Duct Airflow Dampers

Turn the lever to adjust airflow.

					PVC
	Duct Size	ID	Overall Lg.	Color		Each
Standard Airflow Damper







				Female

				4	4 1/2"	7 1/2"	Gray	00000000	0000000


				6	6 5/8"	8 1/4"	Gray	0000000	000000
				8	8 5/8"	10 1/2"	Gray	0000000	000000
				10	10 3/4"	13"	Gray	0000000	000000
				12	12 3/4"	14 1/2"	Gray	0000000	000000

Duct Blast Gates

Open and close the slide to control airflow to sections of duct. Blast gates turn flow on or off.

			Overall
	Duct Size	ID	Wd.	Ht.	Dp.	Color		Each
PVC



		4	4 1/2"	7 1/2"	14"	5"	Gray	000000	0000000


		6	6 5/8"	9 5/8"	17"	6 3/8"	Gray	0000000	000000
		8	8 5/8"	11 5/8"	20 3/4"	6 3/8"	Gray	0000000	000000
		10	10 3/4"	13 3/4"	24"	6 3/8"	Gray	0000000	000000
		12	12 3/4"	15 3/4"	26 3/4"	6 3/8"	Gray	0000000	000000

Tight-Seal Spiral Duct and Fittings

Gasketed fittings prevent leaks between connections without the need for tape or other sealants. Duct has a continuous seam that reinforces it for strength and long life. The rigid construction keeps its shape, even against suction from dust collectors. Duct is smooth on the inside for efficient airflow. Because of its attractive look, spiral duct is often used for exposed heating and cooling systems.

Straight Collars

Link rectangular duct systems to equipment that uses round duct. Cut a hole, install the collar, and connect a piece of round duct.

Galvanized Steel—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.

Polyethylene Foam Gasket—The flange has an adhesive-backed gasket to bond the connection until you fasten with screws. The gasket also prevents leaks.

			Galvanized Steel with EPDM Gasket
Duct Size	OD	Bottom Gasket Material	Ga.		Each
4	3 7/8"	Polyethylene Foam	24	0000000	000000
5	4 7/8"	Polyethylene Foam	24	0000000	00000
6	5 7/8"	Polyethylene Foam	24	00000000	00000
8	7 7/8"	Polyethylene Foam	24	00000000	00000
10	9 7/8"	Polyethylene Foam	24	00000000	00000
12	11 7/8"	Polyethylene Foam	24	00000000	00000
14	13 7/8"	Polyethylene Foam	24	00000000	00000
16	15 7/8"	Polyethylene Foam	24	00000000	00000