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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 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 173A-10319 2W 1-1/4", 40Cv ball valve assy, chrm-plat brass ball, brass stem, float NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_53d82d8d-e330-4bd5-99fa-54312c24912e_medium.png?v=1720021591)
173A-10319 | 2W 1-1 / 4", 40Cv ball valve assy, chrm-plat brass ball, brass stem, float NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173A-10319
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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 173B-10330S 2W 2", 160Cv ball valve assy, stainless steel ball, stem, float NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_bf093b86-ec72-4e02-81ee-7d24ad6b2dd6_medium.png?v=1720021590)
173B-10330S | 2W 2", 160Cv ball valve assy, stainless steel ball, stem, float NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173B-10330S
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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 173A-10362S 599 Series 3W, 1", 16Cv SS Ball Valve, 3-pos float, NSR, Conduit Box & 6' Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_cbdd16c5-355c-4f0f-ad6a-ddceb18d21ff_medium.png?v=1720021590)
173A-10362S | 599 Series 3W, 1", 16Cv SS Ball Valve, 3-pos float, NSR, Conduit Box & 6' Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173A-10362S
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![Siemens 173A-10360S 599 Series 3W, 3/4", 16Cv SS Ball Valve, 3-Pos float NSR Conduit Box 6'-Lead | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_e34bf30c-f8b1-40c0-8c36-1832fe7c9953_medium.png?v=1720021590)
173A-10360S | 599 Series 3W, 3 / 4", 16Cv SS Ball Valve, 3-Pos float NSR Conduit Box 6'-Lead | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173A-10360S
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![Siemens 173A-10317 2W 1-1/4", 16Cv ball valve assy, chrm-plat brass ball, brass stem, float NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_c69c0585-6bd7-49bb-8be1-d77b88a1b40c_medium.png?v=1720021593)
173A-10317 | 2W 1-1 / 4", 16Cv ball valve assy, chrm-plat brass ball, brass stem, float NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173A-10317
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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 173A-10308S 2W 3/4", 6.3Cv ball valve assy, stainless steel ball, stem, float NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/logo_5a804495-ce50-40a0-b031-8df410bb8b28_medium.png?v=1720021588)
173A-10308S | 2W 3 / 4", 6.3Cv ball valve assy, stainless steel ball, stem, float NSR | Siemens (OBSOLETE)
Brand: Siemens
SKU: 173A-10308S
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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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