pressure & flow control valves
We offer a wide variety of pressure and flow control valves from top-notch manufacturers such as Hayward and Bell & Gossett. 300+ products available!
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![Hayward CCS1100100TS CCS Series 1/2" Sealed Calibration Column, 100mL, 3.2 GPH, PVC, threaded connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/CCS_20Series_20Family_95a18f05-9dd9-4b55-9f64-ff5e021c06ec_medium.png?v=1715612893)
CCS1100100TS | CCS Series 1 / 2" Sealed Calibration Column, 100mL, 3.2 GPH, PVC, threaded connections | Hayward
Brand: Hayward
SKU: CCS1100100TS
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![Hayward PBV3025TPE1 1/4" PP Back Pressure Valve 10-150psi w/PTFE/EPDM Diaphragm; NPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PBV_Series_Back_Pressure_Valves_Hero_ecom_3a63_d2cbe14a-285c-489a-aa46-0e738ddaa0c1_medium.png?v=1715613270)
PBV3025TPE1 | 1 / 4" PP Back Pressure Valve 10-150psi w / PTFE / EPDM Diaphragm; NPT | Hayward
Brand: Hayward
SKU: PBV3025TPE1
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![Hayward PBV2SPRNG050 1/4" - 1/2" Pressure Spring 10 - 250 psi | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PBV_20Series_20Family_3ffd7c02-d0ad-4152-82c9-5dd537d37fad_medium.png?v=1715613278)
PBV2SPRNG050 | 1 / 4" - 1 / 2" Pressure Spring 10 - 250 psi | Hayward
Brand: Hayward
SKU: PBV2SPRNG050
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![Hayward PBV2100TPE1 1" CPVC Back Pressure Valve 10-150psi w/PTFE/EPDM Diaphragm NPT; | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PBV_Series_Back_Pressure_Valves_CPVC_FNPT_Hero_ecom_efab_17ba3f9d-8389-4155-a479-616a184392a9_medium.png?v=1715613262)
PBV2100TPE1 | 1" CPVC Back Pressure Valve 10-150psi w / PTFE / EPDM Diaphragm NPT; | Hayward
Brand: Hayward
SKU: PBV2100TPE1
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![Hayward PBV0SPRNG050 1/4" - 1/2" Pressure Spring 0 - 50 psi | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PBV_20Series_20Family_69fb502b-3a72-49b3-b686-7fa46b5dca10_medium.png?v=1715613262)
PBV0SPRNG050 | 1 / 4" - 1 / 2" Pressure Spring 0 - 50 psi | Hayward
Brand: Hayward
SKU: PBV0SPRNG050
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![Hayward NVA5025T 1/4" PVDF Needle Valves w/FPM o-ring; PTFE seat; threaded end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/NVA_Series_Needle_Valves_Hero_ecom_3634_0bf08f5d-58d0-417b-8bb5-dfab990e9fb1_medium.png?v=1715613254)
NVA5025T | 1 / 4" PVDF Needle Valves w / FPM o-ring; PTFE seat; threaded end connections | Hayward
Brand: Hayward
SKU: NVA5025T
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![Hayward IQ1050T03B IQ Series 1/2" Injection Quill, PVC, NPT, FPM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/IQ_Series_Injection_Quills_Hero_ecom_1a92_medium.png?v=1715613151)
IQ1050T03B | IQ Series 1 / 2" Injection Quill, PVC, NPT, FPM | Hayward
Brand: Hayward
SKU: IQ1050T03B
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![Hayward CCS1104000TS CCS Series 1" Sealed Calibration Column, 4000mL, 127 GPH, PVC, threaded connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/CCS_20Series_20Family_4e14f7f9-fe20-4bab-9ec9-c4a4320bf68f_medium.png?v=1715612864)
CCS1104000TS | CCS Series 1" Sealed Calibration Column, 4000mL, 127 GPH, PVC, threaded connections | Hayward
Brand: Hayward
SKU: CCS1104000TS
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![Hayward CCS1101000TS CCS Series 3/4" Sealed Calibration Column, 1000mL, 32 GPH, PVC, threaded connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/CCS_20Series_20Family_751c5d2d-46d2-4288-98e1-cecc7df9dcf8_medium.png?v=1715612894)
CCS1101000TS | CCS Series 3 / 4" Sealed Calibration Column, 1000mL, 32 GPH, PVC, threaded connections | Hayward
Brand: Hayward
SKU: CCS1101000TS
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![Mcdonnell Miller 134700 Water Feeder Mechanical 51 120/240 Volt | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/109525_88084949-16b2-478a-a971-1fa806ea7604_medium.jpg?v=1717077077)
134700 | Water Feeder Mechanical 51 120 / 240 Volt | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 134700
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![Mcdonnell Miller 133800 Water Feeder Low Water Cut-off 247-2 120/240 Volt | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/12432_ab88fca3-f9eb-45d9-b96a-4423886b6586_medium.jpg?v=1717077107)
133800 | Water Feeder Low Water Cut-off 247-2 120 / 240 Volt | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 133800
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![Mcdonnell Miller 114610 Flow Switch FS4-3 Single Pole Double Throw 1 Inch BSPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/1000745_medium.jpg?v=1717076979)
114610 | Flow Switch FS4-3 Single Pole Double Throw 1 Inch BSPT | Mcdonnell Miller
Brand: Mcdonnell Miller
SKU: 114610
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![Hayward PBV2050TPV1 1/2" CPVC Back Pressure Valve 10-150psi w/PTFE/FPM Diaphragm, NPT Ends | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PBV2025TPV1_6712318c-a026-4390-8a82-c54d57ae6f1c_medium.png?v=1715613270)
PBV2050TPV1 | 1 / 2" CPVC Back Pressure Valve 10-150psi w / PTFE / FPM Diaphragm, NPT Ends | Hayward
Brand: Hayward
SKU: PBV2050TPV1
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![Bell & Gossett 107015 3" Threaded Straight Flow Control | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/107015-1_medium.jpg?v=1714076734)
107015 | 3" Threaded Straight Flow Control | Bell & Gossett
Brand: Bell & Gossett
SKU: 107015
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![Bell & Gossett 107014 2 1/2" NPT x Flange Cast Iron Straight Pattern Flo-Control Valve | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/107014-1_c81f8bb0-a9bd-4c1f-8f87-1a44ab10f2d0_medium.jpg?v=1714076722)
107014 | 2 1 / 2" NPT x Flange Cast Iron Straight Pattern Flo-Control Valve | Bell & Gossett
Brand: Bell & Gossett
SKU: 107014
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![Hayward RV2100T 1" CPVC Pressure Relief Valves w/FPM seals; threaded end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RV_Series_Pressure_Relief_Valves_Hero_ecom_f270_fb9551ac-0bf0-4949-b96a-2622f853fae2_medium.png?v=1715613346)
RV2100T | 1" CPVC Pressure Relief Valves w / FPM seals; threaded end connections | Hayward
Brand: Hayward
SKU: RV2100T
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![Hayward RV1150TE 1-1/2" PVC Pressure Relief Valves w/EPDM seals; threaded end connections | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/RV_Series_Pressure_Relief_Valves_Hero_ecom_f270_ec95d6ac-f18f-409a-abc6-7447267415b1_medium.png?v=1715613403)
RV1150TE | 1-1 / 2" PVC Pressure Relief Valves w / EPDM seals; threaded end connections | Hayward
Brand: Hayward
SKU: RV1150TE
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![Hayward PBVDIAPV200 1-1/2" - 2" Diaphragm PTFE/FPM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PBV_20Series_20Family_212c59c2-68c7-407d-9dfb-9daa411ae297_medium.png?v=1715613267)
PBVDIAPV200 | 1-1 / 2" - 2" Diaphragm PTFE / FPM | Hayward
Brand: Hayward
SKU: PBVDIAPV200
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![Hayward PBVDIAPE050 1/4" - 1/2" Diaphragm PTFE/EPDM | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PBV_20Series_20Family_0aa9fc6b-ea86-44b9-8dcb-676e2dbeaf38_medium.png?v=1715613315)
PBVDIAPE050 | 1 / 4" - 1 / 2" Diaphragm PTFE / EPDM | Hayward
Brand: Hayward
SKU: PBVDIAPE050
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![Hayward PBV3050TPE1 1/2" PP Back Pressure Valve 10-150psi w/PTFE/EPDM Diaphragm; NPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PBV_Series_Back_Pressure_Valves_Hero_ecom_3a63_medium.png?v=1715613262)
PBV3050TPE1 | 1 / 2" PP Back Pressure Valve 10-150psi w / PTFE / EPDM Diaphragm; NPT | Hayward
Brand: Hayward
SKU: PBV3050TPE1
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![Hayward PBV2075TPE1 3/4" CPVC Back Pressure Valve 10-150psi w/PTFE/EPDM Diaphragm; NPT | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/PBV_Series_Back_Pressure_Valves_CPVC_FNPT_Hero_ecom_efab_77d461ec-3e05-42fb-b867-10b5ae689107_medium.png?v=1715613269)
PBV2075TPE1 | 3 / 4" CPVC Back Pressure Valve 10-150psi w / PTFE / EPDM Diaphragm; NPT | Hayward
Brand: Hayward
SKU: PBV2075TPE1
Pneumatic fluid control is essential so industrial processes can achieve a wide variety of outcomes. Fluid control is essential in heat exchange applications to facilitate the heating and cooling of various liquids and gases in heat exchangers. For such applications, take a look at our AR Series, DAB Series, and CCS Series Flow Control Valves for efficient fluid flow control. Meanwhile, gas pressure regulation is absolutely essential in analytical instruments. For such applications, take a look at our AV Series, IQ Series, and IV Series Pressure Control Valves.
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QFM3160 | Duct RH and Temp Sensor, 2 percent (high) accuracy, RH: 0-10 Vdc, T: 0-10 Vdc | Siemens
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Brand: Veris
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D11021 | Husky 205 AC Pump, PP Center Section, AC Balls & PTFE Diaphragm | Graco
Brand: Graco
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MA-418-500 | Act (MA-418-500): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, Auxiliary Switch: 1 SPDT, N1, Erie | Schneider Electric
Brand: Schneider Electric
SKU: MA-418-500![Schneider Electric MA-418 Act (MA-418): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, N1, Erie | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/MA-4_75a7c8e4-57d8-49e5-bf53-2eee7144aafc_large.jpg?v=1717434806)
MA-418 | Act (MA-418): Elec, 2Pos, SR, 120 VAC, TB, 60 in-lb, Rotary, N1, Erie | Schneider Electric
Brand: Schneider Electric
SKU: MA-418