Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
CANARM Manual Damper: For 30 in Fan, For 30 in Nominal Duct Dia, 6, 30 in H, 30 in W - Wall-Mount Backdraft Dampers
CANARMWall-Mount Backdraft Dampers

CANARM Manual Damper: For 30 in Fan, For 30 in Nominal Duct Dia, 6, 30 in H, 30 in W

The CANARM Manual Damper (SKU 844HY9, MPN SR3230X30) is a wall-mount backdraft damper designed for a 30-inch fan and 30-inch nominal duct diameter. It features a flat blade type with horizontal airflow direction, and…

SKU 3G-OTH-77366

Brand
CANARM
Item
Manual Damper: For 30 in Fan, For 30 in Nominal Duct Dia, 6, 30 in H, 30 in W
Category
Wall-Mount Backdraft Dampers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

CANARM
Manufacturer Part Number
SR3230X30
Type
For 30 in Nominal Duct Dia, 6, 30 in W, Aluminum
D
2 1/4 in
H
30 in
Blade Type
Flat Blade
Airflow Direction
Horizontal
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

CANARM Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CANARM Manual Damper (SKU 844HY9, MPN SR3230X30) is a wall-mount backdraft damper designed for a 30-inch fan and 30-inch nominal duct diameter. It features a flat blade type with horizontal airflow direction, and measures 30 inches in height, 30 inches in width, and 2 1/4 inches in depth, constructed from aluminum.

Frequently Asked Questions

What is the CANARM manual damper used for?

The CANARM manual damper (MPN SR3230X30) is a wall-mount backdraft damper that prevents reverse airflow in exhaust systems. It is designed for 30-inch fans and 30-inch nominal duct diameters, commonly used in commercial ventilation to maintain one-way horizontal airflow.

What are the specifications of the CANARM manual damper?

The CANARM manual damper has a flat blade type, horizontal airflow direction, and measures 30 inches in height, 30 inches in width, and 2 1/4 inches in depth. It is constructed from aluminum and fits 30-inch nominal duct diameters. The manufacturer part number is SR3230X30.

Where to buy the CANARM manual damper worldwide?

3G Electric supplies the CANARM manual damper (SR3230X30) to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and a quote for your region.

How to install a CANARM wall-mount backdraft damper?

Install the CANARM damper with the airflow arrow pointing in the intended exhaust direction. Mount it securely to the wall or duct flange, ensuring the flat blade moves freely. Seal all joints with duct tape or mastic to prevent leaks. Always follow local building codes.

Used in

Common applications for CANARM
Warehouse ventilation — CANARM direct-drive panel exhaust fans (e.g., P24-1RS9M115) for removing heat and fumes
Manufacturing plant air circulation — CANARM belt-drive blowers (e.g., BI2731000M) for high-volume air movement
Commercial kitchen exhaust — CANARM downblast exhausters (e.g., ALX165-DD033EC) for roof-mounted ventilation
Industrial floor cooling — CANARM mobile circulating fans (e.g., HVR36) for spot cooling in workshops
Office or retail space ventilation — CANARM wall-mount oscillating fans (e.g., CA30OSC-C) for general air circulation
Equipment cooling — CANARM ceiling-mount fans (e.g., HAF18-ZO) for targeted airflow over machinery

CANARM Products

3G Electric supplies CANARM wall-mount backdraft dampers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
Motorized Damper: For 30 in Nominal Duct Dia, Single Panel, 30 in H, 30 in W, Single Flange, Rubber (MPN SX3230X30). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM; Mounting Position: Horizontal; Nameplate Voltage: 110/230V AC.
CANARM
Motorized Damper: For 30 in Nominal Duct Dia, Single Panel, 30 in H, 30 in W, Single Flange, Rubber (MPN SX3230X30). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM; Mounting Position: Horizontal; Nameplate Voltage: 110/230V AC.
Motorized Damper: For 36 in Nominal Duct Dia, Double Panel, 36 in H, 36 in W, Single Flange, Rubber (MPN SX3236X36). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM; Mounting Position: Horizontal; Nameplate Voltage: 110/230V AC.
CANARM
Motorized Damper: For 36 in Nominal Duct Dia, Double Panel, 36 in H, 36 in W, Single Flange, Rubber (MPN SX3236X36). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM; Mounting Position: Horizontal; Nameplate Voltage: 110/230V AC.
Motorized Damper: For 24 in Nominal Duct Dia, Single Panel, 24 in H, 24 in W, Single Flange, Rubber (MPN SX3224X24). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM; Mounting Position: Horizontal; Nameplate Voltage: 110/230V AC.
CANARM
Motorized Damper: For 24 in Nominal Duct Dia, Single Panel, 24 in H, 24 in W, Single Flange, Rubber (MPN SX3224X24). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM; Mounting Position: Horizontal; Nameplate Voltage: 110/230V AC.
Motorized Damper: For 20 in Nominal Duct Dia, Single Panel, 20 in H, 20 in W, Single Flange, Rubber (MPN SX3220X20). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM; Mounting Position: Horizontal; Nameplate Voltage: 110/230V AC.
CANARM
Motorized Damper: For 20 in Nominal Duct Dia, Single Panel, 20 in H, 20 in W, Single Flange, Rubber (MPN SX3220X20). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM; Mounting Position: Horizontal; Nameplate Voltage: 110/230V AC.

More from CANARM

View all CANARM parts →
Manual Damper: For 24 in Fan, For 24 in Nominal Duct Dia, 5, 24 in H, 24 in W, 2 1/4 in D, Aluminum (MPN SR3224X24). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM.
CANARM
Manual Damper: For 24 in Fan, For 24 in Nominal Duct Dia, 5, 24 in H, 24 in W, 2 1/4 in D, Aluminum (MPN SR3224X24). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM.
Manual Damper: For 12 in Fan, For 12 in Nominal Duct Dia, Double Panel, 12 in H, 12 in W, 2 1/4 in D (MPN SR3212X12). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM.
CANARM
Manual Damper: For 12 in Fan, For 12 in Nominal Duct Dia, Double Panel, 12 in H, 12 in W, 2 1/4 in D (MPN SR3212X12). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM.
Manual Damper: For 36 in Fan, For 36 in Nominal Duct Dia, 8, 36 in H, 36 in W, 2 1/4 in D, Aluminum (MPN SR3236X36). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM.
CANARM
Manual Damper: For 36 in Fan, For 36 in Nominal Duct Dia, 8, 36 in H, 36 in W, 2 1/4 in D, Aluminum (MPN SR3236X36). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM.
Manual Damper: For 18 in Fan, For 18 in Nominal Duct Dia, 4, 18 in H, 18 in W, 2 1/4 in D, Aluminum (MPN SR3218X18). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM.
CANARM
Manual Damper: For 18 in Fan, For 18 in Nominal Duct Dia, 4, 18 in H, 18 in W, 2 1/4 in D, Aluminum (MPN SR3218X18). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM.
Manual Damper: For 16 in Fan, For 16 in Nominal Duct Dia, 3, 16 in H, 16 in W, 2 1/4 in D, Aluminum (MPN SR3216X16). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM.
CANARM
Manual Damper: For 16 in Fan, For 16 in Nominal Duct Dia, 3, 16 in H, 16 in W, 2 1/4 in D, Aluminum (MPN SR3216X16). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM.
Manual Damper: For 14 in Fan, For 14 in Nominal Duct Dia, 3, 14 in H, 14 in W, 2 1/4 in D, Aluminum (MPN SR3214X14). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM.
CANARM
Manual Damper: For 14 in Fan, For 14 in Nominal Duct Dia, 3, 14 in H, 14 in W, 2 1/4 in D, Aluminum (MPN SR3214X14). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM.
Manual Damper: For 20 in Fan, For 20 in Nominal Duct Dia, 4, 20 in H, 20 in W, 2 1/4 in D, Aluminum (MPN SR3220X20). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM.
CANARM
Manual Damper: For 20 in Fan, For 20 in Nominal Duct Dia, 4, 20 in H, 20 in W, 2 1/4 in D, Aluminum (MPN SR3220X20). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM.
Manual Damper: For 10 in Fan, For 10 in Nominal Duct Dia, Double Panel, 10 in H, 10 in W, 2 1/4 in D (MPN SR3210X10). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM.
CANARM
Manual Damper: For 10 in Fan, For 10 in Nominal Duct Dia, Double Panel, 10 in H, 10 in W, 2 1/4 in D (MPN SR3210X10). Key specifications — Airflow Direction: Horizontal; Blade Type: Flat Blade; Brand: CANARM.