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 GFM-1133 Gas mass flow meter | range 0-50 LPM. Specified flow range is for an equivalent flow of nitrogen at 70┬°F (21┬°C) @ 760 mm Hg | 1/4" compression fitting. | Blackhawk Supply

GFM-1133 | Gas mass flow meter | range 0-50 LPM. Specified flow range is for an equivalent flow of nitrogen at 70┬°F (21┬°C) @ 760 mm Hg | 1 / 4" compression fitting. | Dwyer

Brand: Dwyer

SKU: GFM-1133

Dwyer GFM-1108 Gas mass flow meter | range 0-2 LPM. Specified flow range is for an equivalent flow of nitrogen at 70┬°F (21┬°C) @ 760 mm Hg | 1/4" compression fitting. | Blackhawk Supply

GFM-1108 | Gas mass flow meter | range 0-2 LPM. Specified flow range is for an equivalent flow of nitrogen at 70┬°F (21┬°C) @ 760 mm Hg | 1 / 4" compression fitting. | Dwyer

Brand: Dwyer

SKU: GFM-1108

Dwyer GFM-1107 Gas mass flow meter | range 0-1000 mL/m. Specified flow range is for an equivalent flow of nitrogen at 70┬°F (21┬°C) @ 760 mm Hg | 1/4" compression fitting | Blackhawk Supply

GFM-1107 | Gas mass flow meter | range 0-1000 mL / m. Specified flow range is for an equivalent flow of nitrogen at 70┬°F (21┬°C) @ 760 mm Hg | 1 / 4" compression fitting | Dwyer

Brand: Dwyer

SKU: GFM-1107

Dwyer GFM-1104 Gas mass flow meter | range 0-100 mL/m. Specified flow range is for an equivalent flow of nitrogen at 70┬°F (21┬°C) @ 760 mm Hg | 1/4" compression fitting. | Blackhawk Supply

GFM-1104 | Gas mass flow meter | range 0-100 mL / m. Specified flow range is for an equivalent flow of nitrogen at 70┬°F (21┬°C) @ 760 mm Hg | 1 / 4" compression fitting. | Dwyer

Brand: Dwyer

SKU: GFM-1104

Dwyer GFM-1102 Gas mass flow meter | range 0-20 mL/m. Specified flow range is for an equivalent flow of nitrogen at 70┬°F (21┬°C) @ 760 mm Hg | 1/4" compression fitting. | Blackhawk Supply

GFM-1102 | Gas mass flow meter | range 0-20 mL / m. Specified flow range is for an equivalent flow of nitrogen at 70┬°F (21┬°C) @ 760 mm Hg | 1 / 4" compression fitting. | Dwyer

Brand: Dwyer

SKU: GFM-1102

Dwyer GFM-1101 Gas mass flow meter | range 0-10 mL/m. Specified flow range is for an equivalent flow of nitrogen at 70┬°F (21┬°C) @ 760 mm Hg | 1/4" compression fitting. | Blackhawk Supply

GFM-1101 | Gas mass flow meter | range 0-10 mL / m. Specified flow range is for an equivalent flow of nitrogen at 70┬°F (21┬°C) @ 760 mm Hg | 1 / 4" compression fitting. | Dwyer

Brand: Dwyer

SKU: GFM-1101

Dwyer DM-1209 DigiMag® differential digital flow gage | range 0-15" w.c. | Blackhawk Supply

DM-1209 | DigiMag® differential digital flow gage | range 0-15" w.c. | Dwyer

Brand: Dwyer

SKU: DM-1209

Dwyer DM-1202 DigiMag® differential digital flow gage | range 0-0.25" w.c. | Blackhawk Supply

DM-1202 | DigiMag® differential digital flow gage | range 0-0.25" w.c. | Dwyer

Brand: Dwyer

SKU: DM-1202

Dwyer UFM2-16 Compact ultrasonic flowmeter | pulse and 4-20 mA outputs | 5 to 7" (125 to 180 mm) pipe | Blackhawk Supply

UFM2-16 | Compact ultrasonic flowmeter | pulse and 4-20 mA outputs | 5 to 7" (125 to 180 mm) pipe | Dwyer

Brand: Dwyer

SKU: UFM2-16

Dwyer WVT-A-02 3/4" NPT plastic rotary piston water meter. | Blackhawk Supply

WVT-A-02 | 3 / 4" NPT plastic rotary piston water meter. | Dwyer

Brand: Dwyer

SKU: WVT-A-02

Dwyer WVT-A-01-1 1/2" NPT plastic rotary piston water meter | with pulse output. | Blackhawk Supply

WVT-A-01-1 | 1 / 2" NPT plastic rotary piston water meter | with pulse output. | Dwyer

Brand: Dwyer

SKU: WVT-A-01-1

Dwyer WNT-A-C-07-10 Multi-Jet water meter | 1-1/2" pipe size | NSF Certified | brass body with 10 gal pulse output. | Blackhawk Supply

WNT-A-C-07-10 | Multi-Jet water meter | 1-1 / 2" pipe size | NSF Certified | brass body with 10 gal pulse output. | Dwyer

Brand: Dwyer

SKU: WNT-A-C-07-10

Dwyer TUF-1250-BN Tenant ultrasonic BTU flowmeter | DN125 pipe size and 100 m3/h permanent flow rate with BACnet® communication. | Blackhawk Supply

TUF-1250-BN | Tenant ultrasonic BTU flowmeter | DN125 pipe size and 100 m3 / h permanent flow rate with BACnet® communication. | Dwyer

Brand: Dwyer

SKU: TUF-1250-BN

Dwyer TUF-1000-BN Tenant ultrasonic BTU flowmeter | DN100 pipe size and 60 m3/h permanent flow rate with BACnet® communication. | Blackhawk Supply

TUF-1000-BN | Tenant ultrasonic BTU flowmeter | DN100 pipe size and 60 m3 / h permanent flow rate with BACnet® communication. | Dwyer

Brand: Dwyer

SKU: TUF-1000-BN

Dwyer TUF-650-BN Tenant ultrasonic BTU flowmeter | DN65 pipe size and 25 m3/h permanent flow rate with BACnet® communication. | Blackhawk Supply

TUF-650-BN | Tenant ultrasonic BTU flowmeter | DN65 pipe size and 25 m3 / h permanent flow rate with BACnet® communication. | Dwyer

Brand: Dwyer

SKU: TUF-650-BN

Dwyer TUF-400-BN Tenant ultrasonic BTU flowmeter | DN40 pipe size and 10 m3/h permanent flow rate with BACnet® communication. | Blackhawk Supply

TUF-400-BN | Tenant ultrasonic BTU flowmeter | DN40 pipe size and 10 m3 / h permanent flow rate with BACnet® communication. | Dwyer

Brand: Dwyer

SKU: TUF-400-BN

Dwyer TUF-320-BN Tenant ultrasonic BTU flowmeter | DN32 pipe size and 6.0 m3/h permanent flow rate with BACnet® communication. | Blackhawk Supply

TUF-320-BN | Tenant ultrasonic BTU flowmeter | DN32 pipe size and 6.0 m3 / h permanent flow rate with BACnet® communication. | Dwyer

Brand: Dwyer

SKU: TUF-320-BN

Dwyer A-IEF-FDSP-RM Series IEF Insertion Electromagnetic Flowmeter IEF/IEFB full functioning remote display (separate cable required) | Blackhawk Supply

A-IEF-FDSP-RM | Series IEF Insertion Electromagnetic Flowmeter IEF / IEFB full functioning remote display (separate cable required) | Dwyer

Brand: Dwyer

SKU: A-IEF-FDSP-RM

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