Ball valves Non-spring return Spring return
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 171D-10324 2W 1-1/2", 63Cv ball valve assy, chrome-plat brass ball, brass stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322381_en_f1c0c513-be36-4564-9e30-3356d9d2c2e8_medium.jpg?v=1723872441)
171D-10324 | 2W 1-1 / 2", 63Cv ball valve assy, chrome-plat brass ball, brass stem, 0-10V NSR | Siemens
Brand: Siemens
SKU: 171D-10324
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![Siemens 171C-10365S 599 Series 3W, 1-1/4", 25Cv Stainless Steel Ball Valve, Prop (0-10V), NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322375_en_7c239476-24ba-4d41-bda1-91375abe356a_medium.jpg?v=1723872440)
171C-10365S | 599 Series 3W, 1-1 / 4", 25Cv Stainless Steel Ball Valve, Prop (0-10V), NSR | Siemens
Brand: Siemens
SKU: 171C-10365S
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![Siemens 171C-10362S 599 Series 3W, 1", 16Cv Stainless Steel Ball Valve, Prop (0-10V), NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322375_en_c8633c97-bf02-41c3-92bb-7ad725a79fbc_medium.jpg?v=1723872445)
171C-10362S | 599 Series 3W, 1", 16Cv Stainless Steel Ball Valve, Prop (0-10V), NSR | Siemens
Brand: Siemens
SKU: 171C-10362S
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![Siemens 171C-10601-2.9-2.9 6W ball valve 3/4", A=2.9Cv, B=2.9Cv, 58psi close-off, female NPT, 0-10 V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10889586_en_aa0357cb-ed7c-430f-ad9d-3bcb68090e7b_medium.jpg?v=1723872447)
171C-10601-2.9-2.9 | 6W ball valve 3 / 4", A=2.9Cv, B=2.9Cv, 58psi close-off, female NPT, 0-10 V NSR | Siemens
Brand: Siemens
SKU: 171C-10601-2.9-2.9
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![Siemens 171C-10600-1.9-1.9 6W ball valve 1/2", A=1.9Cv, B=1.9Cv, 58psi close-off, female NPT, 0-10 V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10889577_en_0348dcb1-bed7-47e8-9a1d-063e6146004c_medium.jpg?v=1723872439)
171C-10600-1.9-1.9 | 6W ball valve 1 / 2", A=1.9Cv, B=1.9Cv, 58psi close-off, female NPT, 0-10 V NSR | Siemens
Brand: Siemens
SKU: 171C-10600-1.9-1.9
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![Siemens 171C-10600-1.2-1.2 6W ball valve 1/2", A=1.2Cv, B=1.2Cv, 58psi close-off, female NPT, 0-10 V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10889577_en_640c5b82-7390-446b-9ca9-7e82c6dffef6_medium.jpg?v=1723872434)
171C-10600-1.2-1.2 | 6W ball valve 1 / 2", A=1.2Cv, B=1.2Cv, 58psi close-off, female NPT, 0-10 V NSR | Siemens
Brand: Siemens
SKU: 171C-10600-1.2-1.2
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![Siemens 171C-10361S 599 Series 3W, 1", 10Cv Stainless Steel Ball Valve, Prop (0-10V), NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322375_en_19dd9f3a-2230-4a21-a987-406232d04ece_medium.jpg?v=1723872435)
171C-10361S | 599 Series 3W, 1", 10Cv Stainless Steel Ball Valve, Prop (0-10V), NSR | Siemens
Brand: Siemens
SKU: 171C-10361S
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![Siemens 171C-10601-1.2-1.5 6W ball valve 3/4", A=1.2Cv, B=1.5Cv, 58psi close-off, female NPT, 0-10 V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10889586_en_9f0aecdc-83ed-427b-87d8-3ab0e9b5d027_medium.jpg?v=1723872433)
171C-10601-1.2-1.5 | 6W ball valve 3 / 4", A=1.2Cv, B=1.5Cv, 58psi close-off, female NPT, 0-10 V NSR | Siemens
Brand: Siemens
SKU: 171C-10601-1.2-1.5
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![Siemens 171C-10602-2.9-1.9 6W ball valve 1", A=2.9Cv, B=1.9Cv, 58psi close-off, female NPT, 0-10 V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10889628_en_medium.jpg?v=1723872390)
171C-10602-2.9-1.9 | 6W ball valve 1", A=2.9Cv, B=1.9Cv, 58psi close-off, female NPT, 0-10 V NSR | Siemens
Brand: Siemens
SKU: 171C-10602-2.9-1.9
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![Siemens 171D-10327S 2W 2", 40Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322381_en_e5963a79-1a91-48b7-9672-0c4a72946f65_medium.jpg?v=1723872425)
171D-10327S | 2W 2", 40Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Siemens
Brand: Siemens
SKU: 171D-10327S
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![Siemens 171D-10368S 599 Series 3W, 1-1/2", 40Cv Stainless Steel Ball Valve, Prop (0-10V), NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322375_en_7d31859e-cdd8-4c10-a8d6-0efbc78cce03_medium.jpg?v=1723872422)
171D-10368S | 599 Series 3W, 1-1 / 2", 40Cv Stainless Steel Ball Valve, Prop (0-10V), NSR | Siemens
Brand: Siemens
SKU: 171D-10368S
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![Siemens 171C-10601-1.5-4.0 6W ball valve 3/4", A=1.5Cv, B=4.0Cv, 58psi close-off, female NPT, 0-10 V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10889586_en_70ea308e-b320-48c7-b5c8-1dd79218af8e_medium.jpg?v=1723872393)
171C-10601-1.5-4.0 | 6W ball valve 3 / 4", A=1.5Cv, B=4.0Cv, 58psi close-off, female NPT, 0-10 V NSR | Siemens
Brand: Siemens
SKU: 171C-10601-1.5-4.0
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![Siemens 171C-10601-2.9-4.0 6W ball valve 3/4", A=2.9Cv, B=4.0Cv, 58psi close-off, female NPT, 0-10 V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10889586_en_36b00052-cd8d-4f66-91f3-ef22d1f45a0f_medium.jpg?v=1723872421)
171C-10601-2.9-4.0 | 6W ball valve 3 / 4", A=2.9Cv, B=4.0Cv, 58psi close-off, female NPT, 0-10 V NSR | Siemens
Brand: Siemens
SKU: 171C-10601-2.9-4.0
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![Siemens 171D-10329S 2W 2", 100Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322381_en_d2e4f3a1-c326-499a-a57d-0aada312e74b_medium.jpg?v=1723872419)
171D-10329S | 2W 2", 100Cv ball valve assy, stainless steel ball, stem, 0-10V NSR | Siemens
Brand: Siemens
SKU: 171D-10329S
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![Siemens 171C-10602-2.9-4.7 6W ball valve 1", A=2.9Cv, B=4.7Cv, 58psi close-off, female NPT, 0-10 V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10889628_en_0a11366c-6ff4-4cd5-a2d8-7f3b89515063_medium.jpg?v=1723872404)
171C-10602-2.9-4.7 | 6W ball valve 1", A=2.9Cv, B=4.7Cv, 58psi close-off, female NPT, 0-10 V NSR | Siemens
Brand: Siemens
SKU: 171C-10602-2.9-4.7
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![Siemens 171C-10355S 599 Series 3W, 1/2", 4.0Cv Stainless Steel Ball Valve, Prop, NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322375_en_cd70fde4-0e64-4cf0-9024-cdbdbc1d28cd_medium.jpg?v=1723872416)
171C-10355S | 599 Series 3W, 1 / 2", 4.0Cv Stainless Steel Ball Valve, Prop, NSR | Siemens
Brand: Siemens
SKU: 171C-10355S
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![Siemens 171D-10372S 599 Series 3W, 2", 100Cv Stainless Steel Ball Valve, Prop (0-10V), NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322375_en_8aebc13e-bf61-4c6a-b6d3-2cd0e29bee34_medium.jpg?v=1723872418)
171D-10372S | 599 Series 3W, 2", 100Cv Stainless Steel Ball Valve, Prop (0-10V), NSR | Siemens
Brand: Siemens
SKU: 171D-10372S
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![Siemens 171C-10356S 599 Series 3W, 1/2", 6.3Cv Stainless Steel Ball Valve, Prop, NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322375_en_ac399298-ea42-4891-9685-be0b095dad66_medium.jpg?v=1723872424)
171C-10356S | 599 Series 3W, 1 / 2", 6.3Cv Stainless Steel Ball Valve, Prop, NSR | Siemens
Brand: Siemens
SKU: 171C-10356S
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![Siemens 171C-10602-4.7-1.9 6W ball valve 1", A=4.7Cv, B=1.9Cv, 58psi close-off, female NPT, 0-10 V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10889628_en_832cdff4-ddbb-4f05-951b-50b9259c0192_medium.jpg?v=1723872412)
171C-10602-4.7-1.9 | 6W ball valve 1", A=4.7Cv, B=1.9Cv, 58psi close-off, female NPT, 0-10 V NSR | Siemens
Brand: Siemens
SKU: 171C-10602-4.7-1.9
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![Siemens 171C-10358S 599 Series 3W, 3/4", 6.3Cv Stainless Steel Ball Valve, Prop, NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322375_en_82216272-78b2-46ca-93e4-567c57e105de_medium.jpg?v=1723872406)
171C-10358S | 599 Series 3W, 3 / 4", 6.3Cv Stainless Steel Ball Valve, Prop, NSR | Siemens
Brand: Siemens
SKU: 171C-10358S
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![Siemens 171C-10600-0.5-1.2 6W ball valve 1/2", A=0.5Cv, B=1.2Cv, 58psi close-off, female NPT, 0-10 V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10889577_en_e79ff1eb-6c2e-410f-b335-f3874aa8cb68_medium.jpg?v=1723872407)
171C-10600-0.5-1.2 | 6W ball valve 1 / 2", A=0.5Cv, B=1.2Cv, 58psi close-off, female NPT, 0-10 V NSR | Siemens
Brand: Siemens
SKU: 171C-10600-0.5-1.2
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![Siemens 171C-10357 599 Series 3W, 1/2", 10 Cv Ball Valve, Proportional Non-Spring Return Actuator | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10322375_en_1bd9f2f2-7dd3-4725-b07c-a64fd411b53a_medium.jpg?v=1723872408)
171C-10357 | 599 Series 3W, 1 / 2", 10 Cv Ball Valve, Proportional Non-Spring Return Actuator | Siemens
Brand: Siemens
SKU: 171C-10357
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![Siemens 171C-10601-4.0-4.0 6W ball valve 3/4", A=4.0Cv, B=4.0Cv, 58psi close-off, female NPT, 0-10 V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10889586_en_463a662c-dd62-4a6f-99e3-6daddbf9554f_medium.jpg?v=1723872410)
171C-10601-4.0-4.0 | 6W ball valve 3 / 4", A=4.0Cv, B=4.0Cv, 58psi close-off, female NPT, 0-10 V NSR | Siemens
Brand: Siemens
SKU: 171C-10601-4.0-4.0
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![Siemens 171C-10600-1.9-1.5 6W ball valve 1/2", A=1.9Cv, B=1.5Cv, 58psi close-off, female NPT, 0-10 V NSR | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/A6V10889577_en_1ad3057f-0aef-403c-bac6-f41dca4e367d_medium.jpg?v=1723872392)
171C-10600-1.9-1.5 | 6W ball valve 1 / 2", A=1.9Cv, B=1.5Cv, 58psi close-off, female NPT, 0-10 V NSR | Siemens
Brand: Siemens
SKU: 171C-10600-1.9-1.5
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