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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 171F-10366S 599 Series 3W, 1-1/4", 40Cv Stainless Steel Ball Valve, 3-pos float, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10218016_en_e04713c9-f6ea-4a84-9d57-0b671ba01181_medium.jpg?v=1723872462)
171F-10366S | 599 Series 3W, 1-1 / 4", 40Cv Stainless Steel Ball Valve, 3-pos float, SR | Siemens
Brand: Siemens
SKU: 171F-10366S
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![Siemens 172E-10312S 2W 1", 10Cv ball valve assembly, stainless steel ball & stem, 2-pos, NC, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322382_en_e9d8b710-74bb-47a3-9050-bf3591a75644_medium.jpg?v=1723872495)
172E-10312S | 2W 1", 10Cv ball valve assembly, stainless steel ball & stem, 2-pos, NC, SR | Siemens
Brand: Siemens
SKU: 172E-10312S
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![Siemens 171J-10311S 2W 3/4", 25Cv ball valve assy, stainless steel ball, stem, float, NO, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10933804_en_2fde60da-8d39-4c4a-b429-8b0a5ab3a7df_medium.jpg?v=1723872432)
171J-10311S | 2W 3 / 4", 25Cv ball valve assy, stainless steel ball, stem, float, NO, SR | Siemens
Brand: Siemens
SKU: 171J-10311S
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![Siemens 171G-10360 599 Series 3-way, 3/4", 16 Cv Ball Valve, Proportional, Spring Return Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10218016_en_35818cd8-dc24-4177-af19-883d9881feac_medium.jpg?v=1723872437)
171G-10360 | 599 Series 3-way, 3 / 4", 16 Cv Ball Valve, Proportional, Spring Return Actuator | Siemens
Brand: Siemens
SKU: 171G-10360
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![Siemens 171G-10315S 2W 1", 40Cv ball valve assy, stainless steel ball & stem, 0-10V, NO, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322382_en_7a788ad3-032a-4310-83ff-2f754f76897d_medium.jpg?v=1723872439)
171G-10315S | 2W 1", 40Cv ball valve assy, stainless steel ball & stem, 0-10V, NO, SR | Siemens
Brand: Siemens
SKU: 171G-10315S
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![Siemens 171F-10368S 599 Series 3W, 1-1/2", 40Cv Stainless Steel Ball Valve, 3-pos float, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10218016_en_9e485bce-af6a-4ea4-b3c1-2d28df3c099c_medium.jpg?v=1723872474)
171F-10368S | 599 Series 3W, 1-1 / 2", 40Cv Stainless Steel Ball Valve, 3-pos float, SR | Siemens
Brand: Siemens
SKU: 171F-10368S
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![Siemens 171H-10311S 2W 3/4", 25Cv ball valve assy, stainless steel ball, stem, 2-pos, NO, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10933804_en_c204e773-734b-4d93-8273-1e7cdfb1f961_medium.jpg?v=1723872488)
171H-10311S | 2W 3 / 4", 25Cv ball valve assy, stainless steel ball, stem, 2-pos, NO, SR | Siemens
Brand: Siemens
SKU: 171H-10311S
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![Siemens 171F-10358S 599 Series 3W, 3/4", 6.3Cv Stainless Steel Ball Valve, 3-Pos float, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10218016_en_1606e689-c7ea-4e49-9cd5-6ac3c011debc_medium.jpg?v=1723872474)
171F-10358S | 599 Series 3W, 3 / 4", 6.3Cv Stainless Steel Ball Valve, 3-Pos float, SR | Siemens
Brand: Siemens
SKU: 171F-10358S
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![Siemens 171G-10329 2W 2", 100Cv ball valve assy, chrome-plat brass ball, brass stem, 0-10V, NO, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322382_en_728dd80f-2e0c-41c7-a942-3b54920e575e_medium.jpg?v=1723872434)
171G-10329 | 2W 2", 100Cv ball valve assy, chrome-plat brass ball, brass stem, 0-10V, NO, SR | Siemens
Brand: Siemens
SKU: 171G-10329
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![Siemens 171C-10600-1.2-0.5 6W ball valve 1/2", A=1.2Cv, B=0.5Cv, 58psi close-off, female NPT, 0-10 V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10889577_en_8f81512e-e63f-4c42-93cf-fb747b18c5f8_medium.jpg?v=1723872454)
171C-10600-1.2-0.5 | 6W ball valve 1 / 2", A=1.2Cv, B=0.5Cv, 58psi close-off, female NPT, 0-10 V NSR | Siemens
Brand: Siemens
SKU: 171C-10600-1.2-0.5
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![Siemens 171G-10353S 599 Series 3W, 1/2", 1.6Cv Stainless Steel Ball Valve, Prop, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10218016_en_dc02ed88-ca91-4cda-8c47-4f78d3c93223_medium.jpg?v=1723872484)
171G-10353S | 599 Series 3W, 1 / 2", 1.6Cv Stainless Steel Ball Valve, Prop, SR | Siemens
Brand: Siemens
SKU: 171G-10353S
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![Siemens 171E-10371S 599 Series 3W, 2", 63Cv Stainless Steel Ball Valve, 2-pos On/Off, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10218016_en_9cb79ec2-fc64-4b58-92d9-54b52be5bcfb_medium.jpg?v=1723872437)
171E-10371S | 599 Series 3W, 2", 63Cv Stainless Steel Ball Valve, 2-pos On / Off, SR | Siemens
Brand: Siemens
SKU: 171E-10371S
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![Siemens 171G-10361S 599 Series 3W, 1", 10Cv Stainless Steel Ball Valve, Prop, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10218016_en_39329531-7869-4afb-a3d8-cccea5883445_medium.jpg?v=1723872448)
171G-10361S | 599 Series 3W, 1", 10Cv Stainless Steel Ball Valve, Prop, SR | Siemens
Brand: Siemens
SKU: 171G-10361S
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![Siemens 171C-10359 599 Series 3W, 3/4", 10 Cv Ball Valve, Proportional Non-Spring Return Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322375_en_70fe7740-8577-4a31-934d-54f70b6168c2_medium.jpg?v=1723872447)
171C-10359 | 599 Series 3W, 3 / 4", 10 Cv Ball Valve, Proportional Non-Spring Return Actuator | Siemens
Brand: Siemens
SKU: 171C-10359
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![Siemens 171E-10359S 599 Series 3W, 3/4", 10Cv Stainless Steel Ball Valve, 2-Pos, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10218016_en_73557d1d-de96-4bc9-a475-f71f348da1cd_medium.jpg?v=1723872468)
171E-10359S | 599 Series 3W, 3 / 4", 10Cv Stainless Steel Ball Valve, 2-Pos, SR | Siemens
Brand: Siemens
SKU: 171E-10359S
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![Siemens 171G-10324S 2W 1-1/2", 63Cv ball valve assy, stainless steel ball, stem, 0-10V, NO, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322382_en_56d7ac1f-0630-425c-a56b-521f2c117f58_medium.jpg?v=1723872449)
171G-10324S | 2W 1-1 / 2", 63Cv ball valve assy, stainless steel ball, stem, 0-10V, NO, SR | Siemens
Brand: Siemens
SKU: 171G-10324S
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![Siemens 171G-10365 599 Series 3W, 1-1/4", 25 Cv Ball Valve, Proportional Spring-Return Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10218016_en_df070d62-3cd9-44db-abc2-e33b44b91279_medium.jpg?v=1723872481)
171G-10365 | 599 Series 3W, 1-1 / 4", 25 Cv Ball Valve, Proportional Spring-Return Actuator | Siemens
Brand: Siemens
SKU: 171G-10365
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![Siemens 171C-10366 599 Series 3W, 1-1/4", 40Cv Ball Valve, Prop (0-10V), NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322375_en_d5687f29-cf90-46c9-8ed8-f9208f59b538_medium.jpg?v=1723872427)
171C-10366 | 599 Series 3W, 1-1 / 4", 40Cv Ball Valve, Prop (0-10V), NSR | Siemens
Brand: Siemens
SKU: 171C-10366
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![Siemens 171D-10370S 599 Series 3W, 2", 40Cv Stainless Steel Ball Valve, Prop (0-10V), NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322375_en_a816414f-825f-46d9-8f9b-4e969b03c120_medium.jpg?v=1723872474)
171D-10370S | 599 Series 3W, 2", 40Cv Stainless Steel Ball Valve, Prop (0-10V), NSR | Siemens
Brand: Siemens
SKU: 171D-10370S
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![Siemens 171J-10307S 2W 1/2", 10Cv ball valve assy, stainless steel ball and stem, floating, NO, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10933804_en_3af41020-4fa0-4341-9e34-a804b9fc0c53_medium.jpg?v=1723872494)
171J-10307S | 2W 1 / 2", 10Cv ball valve assy, stainless steel ball and stem, floating, NO, SR | Siemens
Brand: Siemens
SKU: 171J-10307S
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![Siemens 171G-10358S 599 Series 3W, 3/4", 6.3Cv Stainless Steel Ball Valve, Prop, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10218016_en_3cc3cd91-97ee-4912-a2c1-1ceaa3aecf0e_medium.jpg?v=1723872479)
171G-10358S | 599 Series 3W, 3 / 4", 6.3Cv Stainless Steel Ball Valve, Prop, SR | Siemens
Brand: Siemens
SKU: 171G-10358S
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![Siemens 171G-10364 599 Series 3W, 1-1/4", 16 Cv Ball Valve, Proportional Spring-Return Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10218016_en_37330a30-3419-42c7-ae27-35e02bbfe4f9_medium.jpg?v=1723872484)
171G-10364 | 599 Series 3W, 1-1 / 4", 16 Cv Ball Valve, Proportional Spring-Return Actuator | Siemens
Brand: Siemens
SKU: 171G-10364
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![Siemens 171G-10369S 599 Series 3W, 1-1/2", 63Cv Stainless Steel Ball Valve, Prop, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10218016_en_38991475-ce2f-4911-b3ca-67794dfd17e0_medium.jpg?v=1723872471)
171G-10369S | 599 Series 3W, 1-1 / 2", 63Cv Stainless Steel Ball Valve, Prop, SR | Siemens
Brand: Siemens
SKU: 171G-10369S
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![Siemens 171G-10366S 599 Series 3W, 1-1/4", 40Cv Stainless Steel Ball Valve, Prop, SR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10218016_en_2fba9c33-d81a-492f-aeb6-a46aa2842941_medium.jpg?v=1723872483)
171G-10366S | 599 Series 3W, 1-1 / 4", 40Cv Stainless Steel Ball Valve, Prop, SR | Siemens
Brand: Siemens
SKU: 171G-10366S
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