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Ball Valves
Get dependable flow control with our versatile ball valves. Designed for quick on/off operation and tight shutoff, these valves provide a simple, cost-effective solution for managing liquids and gases in a wide range of systems. Our selection includes brass ball valves, stainless steel ball valves, PVC ball valves, and high-pressure industrial ball valves, available in multiple sizes, connection types, and pressure ratings. Perfect for use in plumbing, HVAC, water treatment, chemical processing, and manufacturing, ball valves are built to perform in both commercial and industrial environments. With durable construction, easy operation, and trusted-brand quality, our ball valves deliver long service life, leak-free performance, and reliable flow control, making them a go-to choice for professionals and contractors.
Filters 11,675 Results
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The Dwyer - FSV15 is a Proportioning Valve featuring Electrically Controlled, 100:1, 1/4 " Compression, 0.24 Cv, 12 Vdc to 30 Vdc, 0 to 5 Vdc, 4 mA to 20 mA, 316 SS, 416 SS, FKM, 500 psi, and Gas. It is rated for a temperature range of 54 °C (130 °F). Part of the FSV10 Series. Sold individually.
Save 14%$937.30
$803.98
Should ship between 29 Aug and 12 Sep
Subject to factory lead times
The Dwyer - AAV-1120 is an Air-Actuated Valve featuring 2-Way, N.C, Pilot Operated, 3/4 ", 9 Cv, 25 psi to 150 psi Pilot Pressure, 316 SS, PTFE, 290 psi, Liquid, Gas, and Uni-Directional. It is rated for a temperature range of 180 °C. Part of the AAV-1100 Series. Sold individually.
$613.80
Should ship between 22 Aug and 29 Aug
Subject to factory lead times
The Dwyer - PV14-SS is a Proportioning Valve featuring Electronically Controlled, 20:1, 1/2 " NPT Female, 0.6 Cv, 12 Vdc to 24 Vdc, 1 Vdc to 5 Vdc, 4 mA to 20 mA, 316 SS, and 120 psi. It is rated for a temperature range of 121 °C (250 °F). Sold individually.
$1,884.75
Should ship between 22 Aug and 29 Aug
Subject to factory lead times
The Dwyer - PV12-SS is a Proportioning Valve featuring Electronically Controlled, 20:1, 3/4 " NPT Female, 3.5 Cv, 12 Vdc to 24 Vdc, 1 Vdc to 5 Vdc, 4 mA to 20 mA, 316 SS, and 70 psi. It is rated for a temperature range of 121 °C (250 °F). Sold individually.
$2,468.78
Should ship between 22 Aug and 29 Aug
Subject to factory lead times
The Dwyer - PV38-SS is a Proportioning Valve featuring Electronically Controlled, 20:1, 1/2 " NPT Female, 1.7 Cv, 12 Vdc to 24 Vdc, 1 Vdc to 5 Vdc, 4 mA to 20 mA, 316 SS, and 120 psi. It is rated for a temperature range of 121 °C (250 °F). Sold individually.
$2,034.14
Should ship between 22 Aug and 29 Aug
Subject to factory lead times
The Dwyer - PV516-SS is a Proportioning Valve featuring Electronically Controlled, 20:1, 1/2 " NPT Female, 1 Cv, 12 Vdc to 24 Vdc, 1 Vdc to 5 Vdc, 4 mA to 20 mA, 316 SS, and 120 psi. It is rated for a temperature range of 121 °C (250 °F). Sold individually.
$1,901.21
Should ship between 22 Aug and 29 Aug
Subject to factory lead times
The Dwyer - PV14-B is a Proportioning Valve featuring Electronically Controlled, 20:1, 1/2 " NPT Female, 0.6 Cv, 12 Vdc to 24 Vdc, 1 Vdc to 5 Vdc, 4 mA to 20 mA, Brass, and 120 psi. It is rated for a temperature range of 121 °C (250 °F). Sold individually.
$1,599.49
Should ship between 22 Aug and 29 Aug
Subject to factory lead times
The Dwyer - PV104-MA is a Proportioning Valve featuring Low Cost, Electronically Controlled, 20:1, 2-Way, N.C, 1/8 " NPT Female, 0.12 Cv, 12 Vdc to 24 Vdc, 4 mA to 20 mA, SS, FKM, 40 psi, and Gas. It is rated for a temperature range of 82 °C (180 °F). Part of the PV100 Series. Sold individually.
Save 14%$1,058.67
$905.78
Should ship between 26 Sep and 03 Oct
Subject to factory lead times
The Dwyer - PV12-B is a Proportioning Valve featuring Electronically Controlled, 20:1, 3/4 " NPT Female, 3.5 Cv, 12 Vdc to 24 Vdc, 1 Vdc to 5 Vdc, 4 mA to 20 mA, Brass, and 70 psi. It is rated for a temperature range of 121 °C (250 °F). Sold individually.
$1,876.51
Should ship between 22 Aug and 29 Aug
Subject to factory lead times
The Dwyer - FSV14 is a Proportioning Valve featuring Electrically Controlled, 100:1, 1/4 " Compression, 0.068 Cv, 12 Vdc to 30 Vdc, 0 to 5 Vdc, 4 mA to 20 mA, 316 SS, 416 SS, FKM, 500 psi, and Gas. It is rated for a temperature range of 54 °C (130 °F). Part of the FSV10 Series. Sold individually.
Save 14%$937.30
$803.98
Should ship between 29 Aug and 12 Sep
Subject to factory lead times
The Dwyer - PV34-SS is a Proportioning Valve featuring Electronically Controlled, 20:1, 1 " NPT Female, 6.5 Cv, 12 Vdc to 24 Vdc, 1 Vdc to 5 Vdc, 4 mA to 20 mA, 316 SS, and 120 psi. It is rated for a temperature range of 121 °C (250 °F). Sold individually.
$3,111.06
Should ship between 22 Aug and 29 Aug
Subject to factory lead times
The Dwyer - AAV-1115C is an Air-Actuated Valve featuring 2-Way, N.C, Pilot Operated, 1/2 ", 4.6 Cv, 26 psi to 150 psi Pilot Pressure, 316 SS, PTFE, 230 psi, Liquid, Gas, Uni-Directional, and Compact Design. It is rated for a temperature range of 180 °C. Part of the AAV-1100C Series. Sold individually.
$409.50
Should ship between 22 Aug and 29 Aug
Subject to factory lead times
The Dwyer - FSV15 is a Proportioning Valve featuring Electrically Controlled, 100:1, 1/4 " Compression, 0.24 Cv, 12 Vdc to 30 Vdc, 0 to 5 Vdc, 4 mA to 20 mA, 316 SS, 416 SS, FKM, 500 psi, and Gas. It is rated for a temperature range of 54 °C (130 °F). Part of the FSV10 Series. Sold individually.
Save 14%$937.30
$803.98
Should ship between 29 Aug and 12 Sep
Subject to factory lead times
The Dwyer - AAV-1120 is an Air-Actuated Valve featuring 2-Way, N.C, Pilot Operated, 3/4 ", 9 Cv, 25 psi to 150 psi Pilot Pressure, 316 SS, PTFE, 290 psi, Liquid, Gas, and Uni-Directional. It is rated for a temperature range of 180 °C. Part of the AAV-1100 Series. Sold individually.
$613.80
Should ship between 22 Aug and 29 Aug
Subject to factory lead times
The Dwyer - PV14-SS is a Proportioning Valve featuring Electronically Controlled, 20:1, 1/2 " NPT Female, 0.6 Cv, 12 Vdc to 24 Vdc, 1 Vdc to 5 Vdc, 4 mA to 20 mA, 316 SS, and 120 psi. It is rated for a temperature range of 121 °C (250 °F). Sold individually.
$1,884.75
Should ship between 22 Aug and 29 Aug
Subject to factory lead times
The Dwyer - PV12-SS is a Proportioning Valve featuring Electronically Controlled, 20:1, 3/4 " NPT Female, 3.5 Cv, 12 Vdc to 24 Vdc, 1 Vdc to 5 Vdc, 4 mA to 20 mA, 316 SS, and 70 psi. It is rated for a temperature range of 121 °C (250 °F). Sold individually.
$2,468.78
Should ship between 22 Aug and 29 Aug
Subject to factory lead times
The Dwyer - PV38-SS is a Proportioning Valve featuring Electronically Controlled, 20:1, 1/2 " NPT Female, 1.7 Cv, 12 Vdc to 24 Vdc, 1 Vdc to 5 Vdc, 4 mA to 20 mA, 316 SS, and 120 psi. It is rated for a temperature range of 121 °C (250 °F). Sold individually.
$2,034.14
Should ship between 22 Aug and 29 Aug
Subject to factory lead times
The Dwyer - PV516-SS is a Proportioning Valve featuring Electronically Controlled, 20:1, 1/2 " NPT Female, 1 Cv, 12 Vdc to 24 Vdc, 1 Vdc to 5 Vdc, 4 mA to 20 mA, 316 SS, and 120 psi. It is rated for a temperature range of 121 °C (250 °F). Sold individually.
$1,901.21
Should ship between 22 Aug and 29 Aug
Subject to factory lead times
The Dwyer - PV14-B is a Proportioning Valve featuring Electronically Controlled, 20:1, 1/2 " NPT Female, 0.6 Cv, 12 Vdc to 24 Vdc, 1 Vdc to 5 Vdc, 4 mA to 20 mA, Brass, and 120 psi. It is rated for a temperature range of 121 °C (250 °F). Sold individually.
$1,599.49
Should ship between 22 Aug and 29 Aug
Subject to factory lead times
The Dwyer - PV104-MA is a Proportioning Valve featuring Low Cost, Electronically Controlled, 20:1, 2-Way, N.C, 1/8 " NPT Female, 0.12 Cv, 12 Vdc to 24 Vdc, 4 mA to 20 mA, SS, FKM, 40 psi, and Gas. It is rated for a temperature range of 82 °C (180 °F). Part of the PV100 Series. Sold individually.
Save 14%$1,058.67
$905.78
Should ship between 26 Sep and 03 Oct
Subject to factory lead times
The Dwyer - PV12-B is a Proportioning Valve featuring Electronically Controlled, 20:1, 3/4 " NPT Female, 3.5 Cv, 12 Vdc to 24 Vdc, 1 Vdc to 5 Vdc, 4 mA to 20 mA, Brass, and 70 psi. It is rated for a temperature range of 121 °C (250 °F). Sold individually.
$1,876.51
Should ship between 22 Aug and 29 Aug
Subject to factory lead times
The Dwyer - FSV14 is a Proportioning Valve featuring Electrically Controlled, 100:1, 1/4 " Compression, 0.068 Cv, 12 Vdc to 30 Vdc, 0 to 5 Vdc, 4 mA to 20 mA, 316 SS, 416 SS, FKM, 500 psi, and Gas. It is rated for a temperature range of 54 °C (130 °F). Part of the FSV10 Series. Sold individually.
Save 14%$937.30
$803.98
Should ship between 29 Aug and 12 Sep
Subject to factory lead times
The Dwyer - PV34-SS is a Proportioning Valve featuring Electronically Controlled, 20:1, 1 " NPT Female, 6.5 Cv, 12 Vdc to 24 Vdc, 1 Vdc to 5 Vdc, 4 mA to 20 mA, 316 SS, and 120 psi. It is rated for a temperature range of 121 °C (250 °F). Sold individually.
$3,111.06
Should ship between 22 Aug and 29 Aug
Subject to factory lead times
The Dwyer - AAV-1115C is an Air-Actuated Valve featuring 2-Way, N.C, Pilot Operated, 1/2 ", 4.6 Cv, 26 psi to 150 psi Pilot Pressure, 316 SS, PTFE, 230 psi, Liquid, Gas, Uni-Directional, and Compact Design. It is rated for a temperature range of 180 °C. Part of the AAV-1100C Series. Sold individually.
$409.50
Should ship between 22 Aug and 29 Aug
Subject to factory lead times
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About NISCO Inc.
NISCO offers a wide range of pressure gauges & instruments, diaphragm seals, thermometers, valves, and flow control products to the industrial and commercial marketplaces, as well as other resellers like ourselves. We can also provide other value-added services such as gauge repair, NIST traceable calibration, diaphragm seal assembly, and valve automation. NISCO takes pride in providing extensive product knowledge, helpful customer service, and market competitive pricing to help fit whatever need you may have because it is our goal to be regarded by our customers as the best supplier of pressure, temperature, and flow control products.