Damper actuators Damper actuator (pneumatic) Type
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![Siemens 331-2794 Damper Actuator, Pneumatic, Number 6, 4" Stroke, 3-13 psi, Integral Pivot Moun | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/331-2794_medium.jpg?v=1720022393)
331-2794 | Damper Actuator, Pneumatic, Number 6, 4" Stroke, 3-13 psi, Integral Pivot Moun | Siemens
Brand: Siemens
SKU: 331-2794
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![Siemens 331-2964 No.4 PNEU ACTUATOR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_9d3ab0b0-848b-49a2-9b72-46bed62cf781_medium.png?v=1720022386)
331-2964 | No.4 PNEU ACTUATOR | Siemens
Brand: Siemens
SKU: 331-2964
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![Siemens 331-2930 Damper Actuator, Pneu No 4, 4" Stroke, 3-13psi, Integral Pivot Mount, Clevis | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/331-2930_medium.jpg?v=1720022384)
331-2930 | Damper Actuator, Pneu No 4, 4" Stroke, 3-13psi, Integral Pivot Mount, Clevis | Siemens
Brand: Siemens
SKU: 331-2930
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![Siemens 331-2909 Damper Actuator, Pneu, Number 4, 4" Stroke, Hesitation, Integral Pivot Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_42c7b5cd-2ccc-4bab-a925-b44f99f30a22_medium.png?v=1720022376)
331-2909 | Damper Actuator, Pneu, Number 4, 4" Stroke, Hesitation, Integral Pivot Mount | Siemens
Brand: Siemens
SKU: 331-2909
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![Siemens 331-2904 Damper Actuator, Pneu No 4, 4" Stroke, 3-7psi, Integral Pivot Mount, UL Rec F/S | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10219276_en_eba8c91b-929a-4c8d-9e7f-3d52998dba88_medium.jpg?v=1723899808)
331-2904 | Damper Actuator, Pneu No 4, 4" Stroke, 3-7psi, Integral Pivot Mount, UL Rec F / S | Siemens
Brand: Siemens
SKU: 331-2904
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![Siemens 331-2929 Damper Actuator, Pneu No 4, 4" Stroke, 3-7psi, Integral Pivot Mount, Clevis | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/331-2929_medium.jpg?v=1720022366)
331-2929 | Damper Actuator, Pneu No 4, 4" Stroke, 3-7psi, Integral Pivot Mount, Clevis | Siemens
Brand: Siemens
SKU: 331-2929
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![Siemens 331-4314 Damper Act, Pneu, No. 3, 2-3/8" Stroke, 3-7 psi, Fixed Bracket Mount, Clevis | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/331-4314_medium.jpg?v=1720022352)
331-4314 | Damper Act, Pneu, No. 3, 2-3 / 8" Stroke, 3-7 psi, Fixed Bracket Mount, Clevis | Siemens
Brand: Siemens
SKU: 331-4314
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![Siemens 331-4311 Damper Actuator, Pneu No 3, 2-3/8" Stroke, 3-7psi, Integral Pivot, Pivot Post | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/331-4311_medium.jpg?v=1720022351)
331-4311 | Damper Actuator, Pneu No 3, 2-3 / 8" Stroke, 3-7psi, Integral Pivot, Pivot Post | Siemens
Brand: Siemens
SKU: 331-4311
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![Siemens 331-3002 Damper Actuator, Pneu No 4, 4" Stroke, 5-10psi, Integral Pivot, Univ Mt Kit | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/331-3002_medium.jpg?v=1720022340)
331-3002 | Damper Actuator, Pneu No 4, 4" Stroke, 5-10psi, Integral Pivot, Univ Mt Kit | Siemens
Brand: Siemens
SKU: 331-3002
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![Siemens 331-4511 Damper Actuator, Pneu No 3, 2-3/8" Stroke, 5-10psi, Integral Pivot, Pivot Post | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/331-4511_medium.jpg?v=1720022323)
331-4511 | Damper Actuator, Pneu No 3, 2-3 / 8" Stroke, 5-10psi, Integral Pivot, Pivot Post | Siemens
Brand: Siemens
SKU: 331-4511
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![Siemens 332-4831 Damper Actuator, Pneu No 3, 2-3/8" Stroke, 8-13psi, Fixed Brkt Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/332-4831_medium.jpg?v=1720022409)
332-4831 | Damper Actuator, Pneu No 3, 2-3 / 8" Stroke, 8-13psi, Fixed Brkt Mount | Siemens
Brand: Siemens
SKU: 332-4831
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![Siemens 331-2857 Damper Actuator, Pneumatic Number 6, 4" Stroke, 3-8 psi, Pivot Mount, Clevis | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/331-2857_medium.jpg?v=1720022396)
331-2857 | Damper Actuator, Pneumatic Number 6, 4" Stroke, 3-8 psi, Pivot Mount, Clevis | Siemens
Brand: Siemens
SKU: 331-2857
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![Siemens 331-4510 Damper Actuator, Pneumatic Number 3, 2-3/8" Stroke, 5-10 psi, Front Mounting | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/331-4510_medium.jpg?v=1720022389)
331-4510 | Damper Actuator, Pneumatic Number 3, 2-3 / 8" Stroke, 5-10 psi, Front Mounting | Siemens
Brand: Siemens
SKU: 331-4510
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![Siemens 331-3018 Damper Actuator, Pneu No 4, 4" Stroke, 3-13psi, Fixed Mount Plate | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/331-3018_medium.jpg?v=1720022387)
331-3018 | Damper Actuator, Pneu No 4, 4" Stroke, 3-13psi, Fixed Mount Plate | Siemens
Brand: Siemens
SKU: 331-3018
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![Siemens 331-2974 Damper Actuator, Pneu No 4, 2-3/8" Stroke, Unit Ventilator Hesitation Model | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/331-2974_medium.jpg?v=1720022384)
331-2974 | Damper Actuator, Pneu No 4, 2-3 / 8" Stroke, Unit Ventilator Hesitation Model | Siemens
Brand: Siemens
SKU: 331-2974
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![Siemens 331-4812 Damper Actuator, Pneu, Number 3, 2-3/8" Stroke, 8-13 psi, Integral Pivot Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/331-4812_medium.jpg?v=1720022381)
331-4812 | Damper Actuator, Pneu, Number 3, 2-3 / 8" Stroke, 8-13 psi, Integral Pivot Mount | Siemens
Brand: Siemens
SKU: 331-4812
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![Siemens 332-4811 Damper Actuator, Pneu No 3, 2-3/8" Stroke, 8-13psi, Integral Pivot, Pivot Post | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/332-4811_medium.jpg?v=1720022376)
332-4811 | Damper Actuator, Pneu No 3, 2-3 / 8" Stroke, 8-13psi, Integral Pivot, Pivot Post | Siemens
Brand: Siemens
SKU: 332-4811
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![Siemens 332-3060 No. 6 Actuator, with Relay. | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/332-3060_medium.jpg?v=1720022373)
332-3060 | No. 6 Actuator, with Relay. | Siemens
Brand: Siemens
SKU: 332-3060
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![Siemens 331-4813 Damper Actuator, Pneu, Number 3, 2-3/8" Stroke, 8-13 psi, Fixed Bracket Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/331-4813_medium.jpg?v=1720022366)
331-4813 | Damper Actuator, Pneu, Number 3, 2-3 / 8" Stroke, 8-13 psi, Fixed Bracket Mount | Siemens
Brand: Siemens
SKU: 331-4813
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![Siemens 331-2963 Damper Actuator, Pneu No 4, 4" Stroke, 8-13psi, Front Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/331-2963_medium.jpg?v=1720022365)
331-2963 | Damper Actuator, Pneu No 4, 4" Stroke, 8-13psi, Front Mount | Siemens
Brand: Siemens
SKU: 331-2963
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![Siemens 331-4531 Damper Actuator, Pneu No 3, 2-3/8" Stroke, 5-10psi, Fixed Brkt Mount | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/331-4531_medium.jpg?v=1720022364)
331-4531 | Damper Actuator, Pneu No 3, 2-3 / 8" Stroke, 5-10psi, Fixed Brkt Mount | Siemens
Brand: Siemens
SKU: 331-4531
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![Siemens 332-2961 No.4 PNEU ACT,8-13PSI,P-M,W/P-R | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/332-2961_medium.jpg?v=1720022363)
332-2961 | No.4 PNEU ACT, 8-13PSI, P-M, W / P-R | Siemens
Brand: Siemens
SKU: 332-2961
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