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 173C-10365 599 Series 3W, 1-1/4", 25Cv Ball Valve, Prop, NSR, Conduit Box & 6' Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_bafb47ee-6c7b-408c-863d-09a1c0db710a_medium.png?v=1720021655)
173C-10365 | 599 Series 3W, 1-1 / 4", 25Cv Ball Valve, Prop, NSR, Conduit Box & 6' Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10365
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![Siemens 173C-10358 599 Series 3W, 3/4", 6.3Cv Ball Valve, Prop, NSR, Conduit Box and 6' Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_905bee9a-ecdd-459b-be60-6e5f28177c66_medium.png?v=1720021653)
173C-10358 | 599 Series 3W, 3 / 4", 6.3Cv Ball Valve, Prop, NSR, Conduit Box and 6' Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10358
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![Siemens 173C-10366S 599 Series 3W, 1-1/4", 40Cv SS Ball Valve, Prop (0-10V) NSR Conduit Box 6'-Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_11807ca0-f09a-4aa9-93d8-7be4e20703a1_medium.png?v=1720021663)
173C-10366S | 599 Series 3W, 1-1 / 4", 40Cv SS Ball Valve, Prop (0-10V) NSR Conduit Box 6'-Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10366S
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![Siemens 173D-10369S 599 Series 3W, 1-1/2", 63Cv SS Ball Valve, Prop, NSR, Conduit Box & 6' Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_ee715a88-9a27-4c5e-980a-6333c2bb978c_medium.png?v=1720021651)
173D-10369S | 599 Series 3W, 1-1 / 2", 63Cv SS Ball Valve, Prop, NSR, Conduit Box & 6' Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173D-10369S
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![Siemens 173C-10319S 2W 1-1/4", 40Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_efdc8df1-72b3-4d47-8746-74f0a160a03a_medium.png?v=1720021651)
173C-10319S | 2W 1-1 / 4", 40Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10319S
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![Siemens 173D-10323S 2W 1-1/2", 40Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_b038bbb4-2555-4e32-93c1-ea8e1f00291c_medium.png?v=1720021649)
173D-10323S | 2W 1-1 / 2", 40Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173D-10323S
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![Siemens 173C-10315S 2W 1", 40Cv ball valve assy, stainless steel ball & stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_8f191c09-6b22-4e4c-afab-0ed8d0339aa5_medium.png?v=1720021642)
173C-10315S | 2W 1", 40Cv ball valve assy, stainless steel ball & stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10315S
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![Siemens 173C-10358S 599 Series 3W, 3/4", 6.3Cv SS Ball Valve, Prop NSR Conduit Box 6'-Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_acd35418-ad81-4394-81fc-fcdfbfb5676f_medium.png?v=1720021640)
173C-10358S | 599 Series 3W, 3 / 4", 6.3Cv SS Ball Valve, Prop NSR Conduit Box 6'-Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10358S
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![Siemens 173C-10351 599 Series 3W, 1/2", 0.63Cv Ball Valve, Prop, NSR, Conduit Box and 6' Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_9f5e8150-8a19-4080-a5f1-bb8b68632498_medium.png?v=1720021637)
173C-10351 | 599 Series 3W, 1 / 2", 0.63Cv Ball Valve, Prop, NSR, Conduit Box and 6' Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10351
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![Siemens 173C-10352 599 Series 3W, 1/2", 1.0Cv Ball Valve, Prop, NSR, Conduit Box and 6' Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_25c80728-7686-4135-9d17-e7de57723653_medium.png?v=1720021638)
173C-10352 | 599 Series 3W, 1 / 2", 1.0Cv Ball Valve, Prop, NSR, Conduit Box and 6' Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10352
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![Siemens 173D-10330S 2W 2", 160Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_9ebe2293-e3a9-4a67-b89d-589c84d8fdb1_medium.png?v=1720021634)
173D-10330S | 2W 2", 160Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173D-10330S
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![Siemens 173C-10309 2W 3/4", 10Cv ball valve assy, chrome-plat brass ball, brass stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_9fd10ddc-b741-4408-ad3b-3e11239f1c7c_medium.png?v=1720021634)
173C-10309 | 2W 3 / 4", 10Cv ball valve assy, chrome-plat brass ball, brass stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10309
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![Siemens 173D-10322S 2W 1-1/2", 25Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_3dead006-2494-4cf4-b60b-143962004d60_medium.png?v=1720021632)
173D-10322S | 2W 1-1 / 2", 25Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173D-10322S
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![Siemens 173C-10308S 2W 3/4", 6.3Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_a589b738-cec9-4da1-b098-c059be67963f_medium.png?v=1720021636)
173C-10308S | 2W 3 / 4", 6.3Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10308S
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![Siemens 173C-10302S 2W 1/2", 1Cv ball valve assembly, stainless steel ball and stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_590a5ac4-f5d9-444f-96d4-ca8c7ff82a10_medium.png?v=1720021628)
173C-10302S | 2W 1 / 2", 1Cv ball valve assembly, stainless steel ball and stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10302S
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![Siemens 173C-10300S 2W 1/2", 0.4Cv ball valve assembly, stainless steel ball & stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_1c5ef20b-b7fd-4f84-b6de-178c58e24e31_medium.png?v=1720021632)
173C-10300S | 2W 1 / 2", 0.4Cv ball valve assembly, stainless steel ball & stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10300S
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![Siemens 173D-10327 2W 2", 40Cv ball valve assy, chrome-plat brass ball, brass stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_281f6d4c-f4ac-4760-976b-fc26ebac93ae_medium.png?v=1720021626)
173D-10327 | 2W 2", 40Cv ball valve assy, chrome-plat brass ball, brass stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173D-10327
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![Siemens 173C-10316S 2W 1", 63Cv ball valve assy, stainless steel ball & stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_3f0f0893-2349-4a7c-8c6f-1434717b5b6d_medium.png?v=1720021629)
173C-10316S | 2W 1", 63Cv ball valve assy, stainless steel ball & stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10316S
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![Siemens 173C-10306S 2W 1/2", 6.3Cv ball valve assy, stainless steel ball and stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_dcb7b399-dbe8-43de-9041-92afeb5cbabd_medium.png?v=1720021627)
173C-10306S | 2W 1 / 2", 6.3Cv ball valve assy, stainless steel ball and stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10306S
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![Siemens 173C-10352S 599 Series 3W, 1/2", 1.0Cv SS Ball Valve, Prop NSR Conduit Box & 6' Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_58e20be5-238f-4344-805b-16183b483fcd_medium.png?v=1720021625)
173C-10352S | 599 Series 3W, 1 / 2", 1.0Cv SS Ball Valve, Prop NSR Conduit Box & 6' Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10352S
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![Siemens 173C-10311 2W 3/4", 25Cv ball valve assy, chrome-plat brass ball, brass stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_3cbc5789-c920-4da1-9ae5-362c61739da9_medium.png?v=1720021625)
173C-10311 | 2W 3 / 4", 25Cv ball valve assy, chrome-plat brass ball, brass stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10311
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![Siemens 173C-10350 599 Series 3W, 1/2", 0.4Cv Ball Valve, Prop, NSR, Conduit Box and 6' Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_79a28097-4396-4b94-9ec9-f52dda19deae_medium.png?v=1720021625)
173C-10350 | 599 Series 3W, 1 / 2", 0.4Cv Ball Valve, Prop, NSR, Conduit Box and 6' Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10350
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