flow meters

Reliable HVAC performance starts with proper flow balance. Whether you're commissioning a new hydronic installation or troubleshooting an existing system, the right flow control tools help verify flow rates, support efficient operation and keep systems running as designed. Blackhawk Supply has a wide selection of HVAC flow control valves for sale to help contractors optimize system performance. From verifying flow rates to advanced diagnostic testing, our collection includes the specialized tools professionals rely on to complete critical tasks.

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Dwyer DS-300-6 Flow sensor | 6" pipe size. | Blackhawk Supply

DS-300-6 | Flow sensor | 6" pipe size. | Dwyer

Brand: Dwyer

SKU: DS-300-6

Dwyer RMC-102 Flowmeter | range 10-100 SCFH air. | Blackhawk Supply

RMC-102 | Flowmeter | range 10-100 SCFH air. | Dwyer

Brand: Dwyer

SKU: RMC-102

Keystone PCS17-3 PCS17-3 | Clarkson 3" KGV PCS17 (Trim 520 | #150 FLG | 316 Body | Gate & Packing Gland | EPDM Seat | Manual | 080-PCS17-520-ASME150-MH) | Blackhawk Supply

PCS17-3 | PCS17-3 | Clarkson 3" KGV PCS17 (Trim 520 | #150 FLG | 316 Body | Gate & Packing Gland | EPDM Seat | Manual | 080-PCS17-520-ASME150-MH) | Keystone

Brand: Keystone

SKU: PCS17-3

Dwyer RMA-12-TMV Flowmeter | range 50-500 cc/min air. | Blackhawk Supply

RMA-12-TMV | Flowmeter | range 50-500 cc / min air. | Dwyer

Brand: Dwyer

SKU: RMA-12-TMV

Dwyer RMC-123 Flowmeter | range 3-30 SCFM air. | Blackhawk Supply

RMC-123 | Flowmeter | range 3-30 SCFM air. | Dwyer

Brand: Dwyer

SKU: RMC-123

Dwyer DTFO-2B-4O Range 0-4 gpm oil | 1/2" npt | brass body | Blackhawk Supply

DTFO-2B-4O | Range 0-4 gpm oil | 1 / 2" npt | brass body | Dwyer

Brand: Dwyer

SKU: DTFO-2B-4O

Dwyer WNT-A-C-06-1 Multi-Jet water meter | 1" pipe size | NSF Certified | brass body with 1 gal pulse output. | Blackhawk Supply

WNT-A-C-06-1 | Multi-Jet water meter | 1" pipe size | NSF Certified | brass body with 1 gal pulse output. | Dwyer

Brand: Dwyer

SKU: WNT-A-C-06-1

Belimo 22PF-5UD Flow sensor 3/4" | ∆p 1.75 kPa | FS 13 GPM | Blackhawk Supply

22PF-5UD | Flow sensor 3 / 4" | ∆p 1.75 kPa | FS 13 GPM | Belimo

Brand: Belimo

SKU: 22PF-5UD

Dwyer UV-B112 Polysulfone flowmeter | range 2.5-28 SCFM (70-780 LPM) air. | Blackhawk Supply

UV-B112 | Polysulfone flowmeter | range 2.5-28 SCFM (70-780 LPM) air. | Dwyer

Brand: Dwyer

SKU: UV-B112

Dwyer VFA-1-EC Flowmeter | range .1-1 SCFH air. | Blackhawk Supply

VFA-1-EC | Flowmeter | range .1-1 SCFH air. | Dwyer

Brand: Dwyer

SKU: VFA-1-EC

Dwyer RMB-82 Flowmeter | range 1-12 GPH water. | Blackhawk Supply

RMB-82 | Flowmeter | range 1-12 GPH water. | Dwyer

Brand: Dwyer

SKU: RMB-82

Chicago Valves 21611010 1" STAINLESS STEEL CLASS 150 FLANGED GATE VALVE | SERIES 21 | Blackhawk Supply

21611010 | 1" STAINLESS STEEL CLASS 150 FLANGED GATE VALVE | SERIES 21 | Chicago Valves

Brand: Chicago Valves

SKU: 21611010

Dwyer PFT-IAN-B111-S Series PFT Insertion Paddle Wheel Flow Transmitter 4-20 mA output, brass body, 1-1/2" NPT connection, FKM seals, tungsten-carbide shaft, PTFE bearing | Blackhawk Supply

PFT-IAN-B111-S | Series PFT Insertion Paddle Wheel Flow Transmitter 4-20 mA output, brass body, 1-1 / 2" NPT connection, FKM seals, tungsten-carbide shaft, PTFE bearing | Dwyer

Brand: Dwyer

SKU: PFT-IAN-B111-S

Dwyer RMB-52D-SSV Flowmeter | range 4-50 SCFH/2-23 LPM air. | Blackhawk Supply

RMB-52D-SSV | Flowmeter | range 4-50 SCFH / 2-23 LPM air. | Dwyer

Brand: Dwyer

SKU: RMB-52D-SSV

Dwyer VFA-23-SSV Flowmeter | range .6-5 LPM air. | Blackhawk Supply

VFA-23-SSV | Flowmeter | range .6-5 LPM air. | Dwyer

Brand: Dwyer

SKU: VFA-23-SSV

Dwyer DS-300-2 Flow sensor | 2" pipe size. | Blackhawk Supply

DS-300-2 | Flow sensor | 2" pipe size. | Dwyer

Brand: Dwyer

SKU: DS-300-2

Dwyer RMA-22-SSV Flowmeter | range 2-25 LPM air. | Blackhawk Supply

RMA-22-SSV | Flowmeter | range 2-25 LPM air. | Dwyer

Brand: Dwyer

SKU: RMA-22-SSV

Jomar 103-308 T-301 | 2" | Regular Brass Gate Valve | Non-rising Stem | Threaded Connection | 200 WOG | Blackhawk Supply

103-308 | T-301 | 2" | Regular Brass Gate Valve | Non-rising Stem | Threaded Connection | 200 WOG | Jomar

Brand: Jomar

SKU: 103-308

Johnson Controls F261KEH-V01C LIQUIDFLOWSWITCH | Blackhawk Supply

F261KEH-V01C | LIQUIDFLOWSWITCH | Johnson Controls

Brand: Johnson Controls

SKU: F261KEH-V01C

Dwyer WMT2-A-C-07-1 2" brass multi-jet water meter (GPM) | with pulse output | 1 Gal/pulse. | Blackhawk Supply

WMT2-A-C-07-1 | 2" brass multi-jet water meter (GPM) | with pulse output | 1 Gal / pulse. | Dwyer

Brand: Dwyer

SKU: WMT2-A-C-07-1

Dwyer WMH-A-C-06-10 Multi-Jet hot water meter | 1" pipe size | 10 gal pulse output. | Blackhawk Supply

WMH-A-C-06-10 | Multi-Jet hot water meter | 1" pipe size | 10 gal pulse output. | Dwyer

Brand: Dwyer

SKU: WMH-A-C-06-10

Dwyer RMA-14-SSV Flowmeter | range 200-2500 cc/min air. | Blackhawk Supply

RMA-14-SSV | Flowmeter | range 200-2500 cc / min air. | Dwyer

Brand: Dwyer

SKU: RMA-14-SSV

Dwyer RMC-143 Flowmeter | range .4-4 GPM water. | Blackhawk Supply

RMC-143 | Flowmeter | range .4-4 GPM water. | Dwyer

Brand: Dwyer

SKU: RMC-143

Dwyer RMA-13-SSV Flowmeter | range 100-1000 cc/min air. | Blackhawk Supply

RMA-13-SSV | Flowmeter | range 100-1000 cc / min air. | Dwyer

Brand: Dwyer

SKU: RMA-13-SSV

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Belimo GMB24-SR Damper Actuator | 360 in-lb | Non-Spg Rtn | 24V | Modulating | Blackhawk Supply

GMB24-SR | Damper Actuator | 360 in-lb | Non-Spg Rtn | 24V | Modulating | Belimo

Brand: Belimo

SKU: GMB24-SR

Belimo LRB24-3 Valve Actuator | Non-Spg | 24V | On/Off/Floating Point | Blackhawk Supply

LRB24-3 | Valve Actuator | Non-Spg | 24V | On/Off/Floating Point | Belimo

Brand: Belimo

SKU: LRB24-3

Belimo AMB24-SR Damper Actuator | 180 in-lb | Non-Spg Rtn | 24V | Modulating | Blackhawk Supply

AMB24-SR | Damper Actuator | 180 in-lb | Non-Spg Rtn | 24V | Modulating | Belimo

Brand: Belimo

SKU: AMB24-SR

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