Ball valves Modulating Control input
Browse our extensive collection of 16,000+ control ball valves, including CCVs and zone valves, from top brands — Honeywell, KMC Controls, Belimo, Johnson Controls, and others!
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![Siemens 171C-10357S 599 Series 3W, 1/2", 10Cv Stainless Steel Ball Valve, Prop, NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/171C-10357S_medium.jpg?v=1720021476)
171C-10357S | 599 Series 3W, 1 / 2", 10Cv Stainless Steel Ball Valve, Prop, NSR | Siemens
Brand: Siemens
SKU: 171C-10357S
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![Siemens 171D-10369S 599 Series 3W, 1-1/2", 63Cv Stainless Steel Ball Valve, Prop (0-10V), NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/171D-10369S_medium.jpg?v=1720021477)
171D-10369S | 599 Series 3W, 1-1 / 2", 63Cv Stainless Steel Ball Valve, Prop (0-10V), NSR | Siemens
Brand: Siemens
SKU: 171D-10369S
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![Siemens 171D-10370 599 Series 3W, 2", 40 Cv Ball Valve, Proportional (0-10V), NSR Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/171D-10370_medium.jpg?v=1720021477)
171D-10370 | 599 Series 3W, 2", 40 Cv Ball Valve, Proportional (0-10V), NSR Actuator | Siemens
Brand: Siemens
SKU: 171D-10370
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![Siemens 171C-10361 599 Series 3W, 1", 10 Cv Ball Valve, Proportional (0-10V), NSR Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/171C-10361_medium.jpg?v=1720021485)
171C-10361 | 599 Series 3W, 1", 10 Cv Ball Valve, Proportional (0-10V), NSR Actuator | Siemens
Brand: Siemens
SKU: 171C-10361
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![Siemens 171C-10601-1.9-2.9 6W ball valve 3/4", A=1.9Cv, B=2.9Cv, 58psi close-off, female NPT, 0-10 V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/171C-10601-1.9-2.9_medium.jpg?v=1720021488)
171C-10601-1.9-2.9 | 6W ball valve 3 / 4", A=1.9Cv, B=2.9Cv, 58psi close-off, female NPT, 0-10 V NSR | Siemens
Brand: Siemens
SKU: 171C-10601-1.9-2.9
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![Siemens 171G-10365S 599 Series 3W, 1-1/4", 25Cv Stainless Steel Ball Valve, Prop, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/171G-10365S_medium.jpg?v=1720021492)
171G-10365S | 599 Series 3W, 1-1 / 4", 25Cv Stainless Steel Ball Valve, Prop, SR | Siemens
Brand: Siemens
SKU: 171G-10365S
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![Siemens 171G-10321 2W 1-1/4", 100Cv ball valve assy, chrm-plat brass ball, brass stem, 0-10V NO SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/171G-10321_medium.jpg?v=1720021490)
171G-10321 | 2W 1-1 / 4", 100Cv ball valve assy, chrm-plat brass ball, brass stem, 0-10V NO SR | Siemens
Brand: Siemens
SKU: 171G-10321
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![Siemens 171C-10602-4.0-1.9 6W ball valve 1", A=4.0Cv, B=1.9Cv, 58psi close-off, female NPT, 0-10 V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/171C-10602-4.0-1.9_medium.jpg?v=1720021494)
171C-10602-4.0-1.9 | 6W ball valve 1", A=4.0Cv, B=1.9Cv, 58psi close-off, female NPT, 0-10 V NSR | Siemens
Brand: Siemens
SKU: 171C-10602-4.0-1.9
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