Round motorized dampers Spring return (nc) Spring return
Round motorized dampers for HVAC systems. For automated control of airflow in round ductwork. Actuator-driven butterfly or louvered dampers available, shop now!
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![EWC Controls 6 URD-SRE120 N.C. 6 Inch 120V Round Motorized Spring Return Damper Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_b739c307-590f-48db-91c0-6c35950f1550_medium.gif?v=1713902490)
6 URD-SRE120 N.C. | 6 Inch 120V Round Motorized Spring Return Damper Normally Closed | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 6 URD-SRE120 N.C.
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![EWC Controls 10 URD-SRE120 N.C. 10 Inch 120V Round Motorized Spring Return Damper Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_e184f5f4-a412-47f9-be88-922502c98d05_medium.gif?v=1713902285)
10 URD-SRE120 N.C. | 10 Inch 120V Round Motorized Spring Return Damper Normally Closed | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 10 URD-SRE120 N.C.
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![EWC Controls 8 URD-SRE120 N.C. 8 Inch 120V Round Motorized Spring Return Damper Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_ed234d17-166f-4f96-b676-a76313b53b04_medium.gif?v=1713902502)
8 URD-SRE120 N.C. | 8 Inch 120V Round Motorized Spring Return Damper Normally Closed | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 8 URD-SRE120 N.C.
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![Braeburn 129016 Round Damper | 16" Round Motorized Damper Spring Return - Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/PO_SR-Round_baedc300-e418-4f48-bfd0-6307feecfe47_medium.jpg?v=1708892690)
129016 | Round Damper | 16" Round Motorized Damper Spring Return - Normally Closed | Braeburn
Brand: Braeburn
SKU: 129016
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![Braeburn 129010 Round Damper | 10" Round Motorized Damper Spring Return - Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/PO_SR-Round_c9aea36a-5b50-4c11-9413-350caf52fcb9_medium.jpg?v=1708892725)
129010 | Round Damper | 10" Round Motorized Damper Spring Return - Normally Closed | Braeburn
Brand: Braeburn
SKU: 129010
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![Braeburn 129012 Round Damper | 12" Round Motorized Damper Spring Return - Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/PO_SR-Round_10bd8a73-6353-4b11-b082-f65150febca9_medium.jpg?v=1708892749)
129012 | Round Damper | 12" Round Motorized Damper Spring Return - Normally Closed | Braeburn
Brand: Braeburn
SKU: 129012
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![Braeburn 129008 Round Damper | 8" Round Motorized Damper Spring Return - Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/PO_SR-Round_dee6f141-59bb-4855-9757-3fcc78b9fd37_medium.jpg?v=1708892742)
129008 | Round Damper | 8" Round Motorized Damper Spring Return - Normally Closed | Braeburn
Brand: Braeburn
SKU: 129008
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![Braeburn 129007 Round Damper | 7" Round Motorized Damper Spring Return - Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/PO_SR-Round_7502e352-7fb9-418f-a1d2-9a54bae9062b_medium.jpg?v=1708892738)
129007 | Round Damper | 7" Round Motorized Damper Spring Return - Normally Closed | Braeburn
Brand: Braeburn
SKU: 129007
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![Braeburn 129014 Round Damper | 14" Round Motorized Damper Spring Return - Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/PO_SR-Round_9456a2ba-38c6-4b20-addc-131525a89ef5_medium.jpg?v=1708892732)
129014 | Round Damper | 14" Round Motorized Damper Spring Return - Normally Closed | Braeburn
Brand: Braeburn
SKU: 129014
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![Braeburn 129020 Round Damper | 20" Round Motorized Damper Spring Return - Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/PO_SR-Round_4143c870-b1de-42bf-b449-ae8d7cc8086a_medium.jpg?v=1708892737)
129020 | Round Damper | 20" Round Motorized Damper Spring Return - Normally Closed | Braeburn
Brand: Braeburn
SKU: 129020
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![Braeburn 129018 Round Damper | 18" Round Motorized Damper Spring Return - Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/PO_SR-Round_3cae4450-b02d-4d04-96c0-27418a93fba2_medium.jpg?v=1708892717)
129018 | Round Damper | 18" Round Motorized Damper Spring Return - Normally Closed | Braeburn
Brand: Braeburn
SKU: 129018
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![Braeburn 129009 Round Damper | 9" Round Motorized Damper Spring Return - Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/PO_SR-Round_e243c19f-288c-4cad-97aa-97fa9176fa66_medium.jpg?v=1708892748)
129009 | Round Damper | 9" Round Motorized Damper Spring Return - Normally Closed | Braeburn
Brand: Braeburn
SKU: 129009
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![Braeburn 129006 Round Damper | 6" Round Motorized Damper Spring Return - Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/PO_SR-Round_5fdcfc6d-3645-43dd-b2c5-f425da809303_medium.jpg?v=1708892737)
129006 | Round Damper | 6" Round Motorized Damper Spring Return - Normally Closed | Braeburn
Brand: Braeburn
SKU: 129006
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![Braeburn 129004 Round Damper | 4" Round Motorized Damper Spring Return - Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/PO_SR-Round_ccbc7ee0-930f-43d5-a79b-0e4fca617114_medium.jpg?v=1708892733)
129004 | Round Damper | 4" Round Motorized Damper Spring Return - Normally Closed | Braeburn
Brand: Braeburn
SKU: 129004
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![EWC Controls 8 URD-SRE120 NC 8 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/urd-sr120small-proof_20643c28-7140-4785-9182-3d2539fbf706_medium.gif?v=1709054581)
8 URD-SRE120 NC | 8 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 8 URD-SRE120 NC
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![EWC Controls 6 URD-SRE120 NC 6 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/urd-sr120small-proof_ba44d395-fac3-4d67-b76e-5a380635979d_medium.gif?v=1709054572)
6 URD-SRE120 NC | 6 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 6 URD-SRE120 NC
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![EWC Controls 9 URD-SRE120 NC 9 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/urd-sr120small-proof_ae3cb916-d663-40ba-85bb-f3f9fb861cd8_medium.gif?v=1709054581)
9 URD-SRE120 NC | 9 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 9 URD-SRE120 NC
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![EWC Controls 4 URD-SRE120 NC 4 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/urd-sr120small-proof_78929b1a-253a-45d6-bad2-d74a7b0637e8_medium.gif?v=1709054610)
4 URD-SRE120 NC | 4 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 4 URD-SRE120 NC
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![EWC Controls 5 URD-SRE120 NC 5 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/urd-sr120small-proof_b11330e5-0200-4def-ac26-acb118e7ca30_medium.gif?v=1709054582)
5 URD-SRE120 NC | 5 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 5 URD-SRE120 NC
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![EWC Controls 10 URD-SRE120 NC 10 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/urd-sr120small-proof_3fa9c863-e2a4-4748-a04b-ff8f67e516b8_medium.gif?v=1709054600)
10 URD-SRE120 NC | 10 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 10 URD-SRE120 NC
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![EWC Controls 7 URD-SRE120 NC 7 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/urd-sr120small-proof_0c5840f5-5e3f-463c-933b-f62ec3f76281_medium.gif?v=1709054581)
7 URD-SRE120 NC | 7 URD-SRE120 120V ROUND SPRING RETURN DAMPER – NORMALLY CLOSED | EWC Controls
Brand: EWC Controls
SKU: 7 URD-SRE120 NC
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![Braeburn 129005 Round Damper | 5" Round Motorized Damper Spring Return - Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/PO_SR-Round_7fad782b-82f8-451f-88a8-516529072b0f_medium.jpg?v=1708892729)
129005 | Round Damper | 5" Round Motorized Damper Spring Return - Normally Closed | Braeburn
Brand: Braeburn
SKU: 129005
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![EWC Controls 9 URD-SRE120 N.C. 9 Inch 120V Round Motorized Spring Return Damper Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_389564bf-17f7-4de1-a505-df43cf46a529_medium.gif?v=1713902515)
9 URD-SRE120 N.C. | 9 Inch 120V Round Motorized Spring Return Damper Normally Closed | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 9 URD-SRE120 N.C.
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![EWC Controls 7 URD-SRE120 N.C. 7 Inch 120V Round Motorized Spring Return Damper Normally Closed | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/urd-sr120small-proof_076914a0-0603-4789-ad3e-bb5c79da3ee8_medium.gif?v=1713902527)
7 URD-SRE120 N.C. | 7 Inch 120V Round Motorized Spring Return Damper Normally Closed | EWC Controls (OBSOLETE)
Brand: EWC Controls
SKU: 7 URD-SRE120 N.C.
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