control valves
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![Image for Butterfly Valves](http://blackhawksupply.com/cdn/shop/files/PRXactuator-product_retina_f2a17b8a-568d-43a9-b2c6-e600d8c6c425_100x.jpg?v=1721079676)
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![Image for Fan Coil Valves](http://blackhawksupply.com/cdn/shop/files/VU443-c5-6_3a802269-9b42-4ca0-8170-baf35eb63c16_100x.jpg?v=1720028308)
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![Image for Variable Air Volume (VAV) Dampers](http://blackhawksupply.com/cdn/shop/files/CSC-3026-10-medium_a55d1e08-3b48-4923-99d8-15666a4983ef_100x.jpg?v=1720012532)
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![Siemens 256-02012 MT Series 2W Valve Asy, ANSI 250, NC, Mod Eq Pct, 3/4" FxF, 6.3 Cv, 10-15psi SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/256-02012_medium.jpg?v=1720021846)
256-02012 | MT Series 2W Valve Asy, ANSI 250, NC, Mod Eq Pct, 3 / 4" FxF, 6.3 Cv, 10-15psi SR | Siemens
Brand: Siemens
SKU: 256-02012
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![Siemens 256-02070A MT Series 3W Valve Assy, ANSI 250, Linear, 3/4", FxF, 6.3 Cv, 10-15 psi SR, Pnu | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/256-02070A_medium.jpg?v=1720021843)
256-02070A | MT Series 3W Valve Assy, ANSI 250, Linear, 3 / 4", FxF, 6.3 Cv, 10-15 psi SR, Pnu | Siemens
Brand: Siemens
SKU: 256-02070A
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![Siemens 255-01110 MZ Series 2W Valve Assy, ANSI 250, NC, Linear, 1/2 In FxF, 4 Cv, El/Mech | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/255-01110_medium.jpg?v=1720021834)
255-01110 | MZ Series 2W Valve Assy, ANSI 250, NC, Linear, 1 / 2 In FxF, 4 Cv, El / Mech | Siemens
Brand: Siemens
SKU: 255-01110
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![Siemens 254-01112 MZ Series Valve Assembly, ANSI 250, 2W, NC, Linear, 3/4", FxF, 6.3Cv, El/Mech | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/254-01112_medium.jpg?v=1720021804)
254-01112 | MZ Series Valve Assembly, ANSI 250, 2W, NC, Linear, 3 / 4", FxF, 6.3Cv, El / Mech | Siemens
Brand: Siemens
SKU: 254-01112
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![Siemens 243-00234 Zone valve, 3-way, 1/2", 4.0 Cv, NPT w/ 24V 2-position SR actuator, fails AB-A | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/243-00234_medium.jpg?v=1720021801)
243-00234 | Zone valve, 3-way, 1 / 2", 4.0 Cv, NPT w / 24V 2-position SR actuator, fails AB-A | Siemens
Brand: Siemens
SKU: 243-00234
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![Siemens 240-00213 Zone valve, 2-way, 1", 7.0 Cv, NPT w/ 115V 2-position SR actuator fails NC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/240-00213_medium.jpg?v=1720021762)
240-00213 | Zone valve, 2-way, 1", 7.0 Cv, NPT w / 115V 2-position SR actuator fails NC | Siemens
Brand: Siemens
SKU: 240-00213
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![Siemens 243-0019 Signal Selector, Lowest/Highest, Pneumatic, DA, Six-Input, Dual Output | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/243-0019_medium.jpg?v=1720021751)
243-0019 | Signal Selector, Lowest / Highest, Pneumatic, DA, Six-Input, Dual Output | Siemens
Brand: Siemens
SKU: 243-0019
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![Siemens 240-00210 Zone valve, 2-way, 1/2", 1.0 Cv, NPT w/ 115V 2-position SR actuator fails NC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/240-00210_medium.jpg?v=1720021740)
240-00210 | Zone valve, 2-way, 1 / 2", 1.0 Cv, NPT w / 115V 2-position SR actuator fails NC | Siemens
Brand: Siemens
SKU: 240-00210
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![Siemens 231-04323-8 231-04323-8, 1 PICV, 8 GPM + 0-10V NSR NO | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/231-04323-8_medium.jpg?v=1720021728)
231-04323-8 | 231-04323-8, 1 PICV, 8 GPM + 0-10V NSR NO | Siemens
Brand: Siemens
SKU: 231-04323-8
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![Siemens 231-04301-3.5 PICV, 1/2 inch, 3.5 GPM max. flow preset, with SSD Actuator, 0-10V, NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/231-04301-3.5_medium.jpg?v=1720021685)
231-04301-3.5 | PICV, 1 / 2 inch, 3.5 GPM max. flow preset, with SSD Actuator, 0-10V, NSR | Siemens
Brand: Siemens
SKU: 231-04301-3.5
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![Siemens 192-485 Plug-in Adapters, Straight, Product Group 19X, Blue, 20 per pack | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/192-485_medium.jpg?v=1720021650)
192-485 | Plug-in Adapters, Straight, Product Group 19X, Blue, 20 per pack | Siemens
Brand: Siemens
SKU: 192-485
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![Siemens 192-252W Thermostat Cvr, Adj Setpt Expose, Setpt Dsply Expose, Chas Thermomtr Expose | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/192-252W_medium.jpg?v=1720021635)
192-252W | Thermostat Cvr, Adj Setpt Expose, Setpt Dsply Expose, Chas Thermomtr Expose | Siemens
Brand: Siemens
SKU: 192-252W
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![Siemens 192-483 Retrofit Kit, Product Group 19X, Honeywell, Desert Beige | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/192-483_medium.jpg?v=1720021622)
192-483 | Retrofit Kit, Product Group 19X, Honeywell, Desert Beige | Siemens
Brand: Siemens
SKU: 192-483
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![Siemens 173D-10372S 599 Series 3W, 2", 100Cv SS Ball Valve, Prop (0-10V) NSR Conduit Box 6'-Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_fd91e5ff-7fa5-4692-a873-58fb71476379_medium.png?v=1720021619)
173D-10372S | 599 Series 3W, 2", 100Cv SS Ball Valve, Prop (0-10V) NSR Conduit Box 6'-Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173D-10372S
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![Siemens 172L-10307 2W 1/2", 10Cv ball valve assy, chrm-plated brass ball & brass stem, 2-pos NC SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/172L-10307_medium.jpg?v=1720021574)
172L-10307 | 2W 1 / 2", 10Cv ball valve assy, chrm-plated brass ball & brass stem, 2-pos NC SR | Siemens
Brand: Siemens
SKU: 172L-10307
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![Siemens 172H-10307 2W 1/2", 10Cv ball valve assy, chrm-plated brass ball & brass stem, 2-pos NC SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/172H-10307_medium.jpg?v=1720021568)
172H-10307 | 2W 1 / 2", 10Cv ball valve assy, chrm-plated brass ball & brass stem, 2-pos NC SR | Siemens
Brand: Siemens
SKU: 172H-10307
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![Siemens 172G-10323 2W 1-1/2", 40Cv ball valve assy, chrm-plat brass ball, brass stem, 0-10V NC SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/172G-10323_medium.jpg?v=1720021557)
172G-10323 | 2W 1-1 / 2", 40Cv ball valve assy, chrm-plat brass ball, brass stem, 0-10V NC SR | Siemens
Brand: Siemens
SKU: 172G-10323
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![Siemens 172E-10326 2W 1-1/2", 160Cv ball valve assy, chrm-plat brass ball, brass stem, 2-pos NC SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/172E-10326_a7befe54-ed70-4001-8bc7-2fa741c49136_medium.jpg?v=1721247858)
172E-10326 | 2W 1-1 / 2", 160Cv ball valve assy, chrm-plat brass ball, brass stem, 2-pos NC SR | Siemens
Brand: Siemens
SKU: 172E-10326
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![Siemens 172G-10330S 2W 2", 160Cv ball valve assy, stainless steel ball, stem, 0-10V, NC, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/172G-10330S_medium.jpg?v=1720021539)
172G-10330S | 2W 2", 160Cv ball valve assy, stainless steel ball, stem, 0-10V, NC, SR | Siemens
Brand: Siemens
SKU: 172G-10330S
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![Siemens 172G-10312 2W 1", 10Cv ball valve assy, chrome-plat brass ball & brass stem, 0-10V, NC, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/172G-10312_medium.jpg?v=1720021539)
172G-10312 | 2W 1", 10Cv ball valve assy, chrome-plat brass ball & brass stem, 0-10V, NC, SR | Siemens
Brand: Siemens
SKU: 172G-10312
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![Siemens 172E-10316 2W 1", 63Cv ball valve assy, chrome-plat brass ball & brass stem, 2-pos, NC, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/172E-10316_medium.jpg?v=1720021534)
172E-10316 | 2W 1", 63Cv ball valve assy, chrome-plat brass ball & brass stem, 2-pos, NC, SR | Siemens
Brand: Siemens
SKU: 172E-10316
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![Siemens 172E-10330 2W 2", 160Cv ball valve assy, chrome-plat brass ball, brass stem, 2-pos, NC, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/172E-10330_medium.jpg?v=1720021535)
172E-10330 | 2W 2", 160Cv ball valve assy, chrome-plat brass ball, brass stem, 2-pos, NC, SR | Siemens
Brand: Siemens
SKU: 172E-10330
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![Siemens 171K-10309S 2W 3/4", 10Cv ball valve assy, stainless steel ball, stem, 2-10 V, NO, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/171K-10309S_medium.jpg?v=1720021528)
171K-10309S | 2W 3 / 4", 10Cv ball valve assy, stainless steel ball, stem, 2-10 V, NO, SR | Siemens
Brand: Siemens
SKU: 171K-10309S
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![Siemens 172E-10321 2W 1-1/4", 100Cv ball valve assy, chrm-plat brass ball, brass stem, 2-pos NC SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/172E-10321_medium.jpg?v=1720021528)
172E-10321 | 2W 1-1 / 4", 100Cv ball valve assy, chrm-plat brass ball, brass stem, 2-pos NC SR | Siemens
Brand: Siemens
SKU: 172E-10321
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