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-10360S 599 Series 3W, 3/4", 16Cv SS Ball Valve, Prop NSR Conduit Box 6'-Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_98456192-ebb1-409a-912b-1f371d9e841c_medium.png?v=1720021600)
173C-10360S | 599 Series 3W, 3 / 4", 16Cv SS Ball Valve, Prop NSR Conduit Box 6'-Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10360S
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![Siemens 173C-10321S 2W 1-1/4", 100Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_36d3b77a-d40c-4dd1-811d-aac21d4b1201_medium.png?v=1720021597)
173C-10321S | 2W 1-1 / 4", 100Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10321S
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![Siemens 173C-10317S 2W 1-1/4", 16Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_388821e1-6564-49c9-9c43-4ae2875d9f4c_medium.png?v=1720021596)
173C-10317S | 2W 1-1 / 4", 16Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10317S
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![Siemens 173D-10330 2W 2", 160Cv ball valve assy, chrome-plat brass ball, brass stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_4a49dc47-5232-439b-b099-b9a3c434cb50_medium.png?v=1720021594)
173D-10330 | 2W 2", 160Cv ball valve assy, chrome-plat brass ball, brass stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173D-10330
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![Siemens 173C-10303 2W 1/2", 1.6Cv ball valve assy, chrm-plat brass ball & brass stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_57d7fceb-846f-4ef6-9673-5d9626be12b9_medium.png?v=1720021597)
173C-10303 | 2W 1 / 2", 1.6Cv ball valve assy, chrm-plat brass ball & brass stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10303
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![Siemens 173C-10354 599 Series 3W, 1/2", 2.5Cv Ball Valve, Prop, NSR, Conduit Box and 6' Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_1c39b371-d94c-4be8-876f-e694555356fb_medium.png?v=1720021596)
173C-10354 | 599 Series 3W, 1 / 2", 2.5Cv Ball Valve, Prop, NSR, Conduit Box and 6' Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10354
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![Siemens 173D-10325S 2W 1-1/2", 100Cv ball valve assy, stainless steel ball and stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_db46a775-680b-4d89-84dd-b34ef65e2816_medium.png?v=1720021594)
173D-10325S | 2W 1-1 / 2", 100Cv ball valve assy, stainless steel ball and stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173D-10325S
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![Siemens 173C-10355S 599 Series 3W, 1/2", 4.0Cv SS Steel Ball Valve, Prop NSR Conduit Box & 6' Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_3e7facd6-3bc7-4272-9c3d-60451f74a7e1_medium.png?v=1720021593)
173C-10355S | 599 Series 3W, 1 / 2", 4.0Cv SS Steel Ball Valve, Prop NSR Conduit Box & 6' Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10355S
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![Siemens 173D-10370 599 Series 3W, 2", 40Cv Ball Valve, Prop (0-10V), NSR, Conduit Box & 6' Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_78cce8a8-88f5-4b28-a2cd-125f2ea611b5_medium.png?v=1720021593)
173D-10370 | 599 Series 3W, 2", 40Cv Ball Valve, Prop (0-10V), NSR, Conduit Box & 6' Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173D-10370
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![Siemens 173C-10360 599 Series 3W, 3/4", 16Cv Ball Valve, Prop, NSR, Conduit Box and 6' Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_0f2d9529-4f66-465a-9be8-9dd2c4427e30_medium.png?v=1720021590)
173C-10360 | 599 Series 3W, 3 / 4", 16Cv Ball Valve, Prop, NSR, Conduit Box and 6' Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10360
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![Siemens 173C-10353 599 Series 3W, 1/2", 1.6Cv Ball Valve, Prop, NSR, Conduit Box and 6' Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_16a4aeaf-4b44-4519-8a5d-22dc46bb18bc_medium.png?v=1720021590)
173C-10353 | 599 Series 3W, 1 / 2", 1.6Cv Ball Valve, Prop, NSR, Conduit Box and 6' Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10353
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![Siemens 173C-10361 599 Series 3W, 1", 10Cv Ball Valve, Prop (0-10V), NSR, Conduit Box & 6' Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_2a967028-5b9e-434b-a928-a59d654da7b5_medium.png?v=1720021590)
173C-10361 | 599 Series 3W, 1", 10Cv Ball Valve, Prop (0-10V), NSR, Conduit Box & 6' Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10361
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![Siemens 173C-10310S 2W 3/4", 16Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_787ced1b-c2bf-4a3a-b64d-65fd0f6b7e73_medium.png?v=1720021588)
173C-10310S | 2W 3 / 4", 16Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10310S
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![Siemens 173C-10357 599 Series 3W, 1/2", 10Cv Ball Valve, Prop, NSR, Conduit Box and 6' Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_929d7b49-71ed-45c3-be25-fb3bef7944af_medium.png?v=1720021587)
173C-10357 | 599 Series 3W, 1 / 2", 10Cv Ball Valve, Prop, NSR, Conduit Box and 6' Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10357
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![Siemens 173D-10328S 2W 2", 63Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_6f223ae4-2e99-41d5-872d-bd0192793302_medium.png?v=1720021588)
173D-10328S | 2W 2", 63Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173D-10328S
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![Siemens 173C-10312S 2W 1", 10Cv ball valve assembly, stainless steel ball & stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_c295873d-1772-4044-92cb-f22a54ed32bd_medium.png?v=1720021588)
173C-10312S | 2W 1", 10Cv ball valve assembly, stainless steel ball & stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10312S
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![Siemens 173C-10313S 2W 1", 16Cv ball valve assy, stainless steel ball & stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_292b6302-8479-480d-84a3-dce7133b04fb_medium.png?v=1720021587)
173C-10313S | 2W 1", 16Cv ball valve assy, stainless steel ball & stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173C-10313S
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![Siemens 173D-10329S 2W 2", 100Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_3cfddfe4-3708-461a-9852-d62553c95704_medium.png?v=1720021590)
173D-10329S | 2W 2", 100Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173D-10329S
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![Siemens 172K-10307S 2W 1/2", 10Cv ball valve assy, stainless steel ball and stem, 2-10 V, NC, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10933804_en_9ed1cf3a-3426-4e7a-bd49-3992f4f40ffd_medium.jpg?v=1723872543)
172K-10307S | 2W 1 / 2", 10Cv ball valve assy, stainless steel ball and stem, 2-10 V, NC, SR | Siemens
Brand: Siemens
SKU: 172K-10307S
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