Key Instruments manufactures precision machined acrylic flow meters, molded plastic flow meters, glass tube flow meters, flow control valves, and other products for a wide variety of markets such as medical, industrial, chemical, semiconductor, water, the laboratory, and more

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Home Standard Products Variable Area Flow Meters Series GD, GR & GS Glass Tube Flow Meters

Precision Glass Tube Flowmeters

Click on product for more information
comparison
Series GD | Series GR | Series GS | Series GS-L | Series GS-M

Series GD 65mm Valve / No ValveSeries GD
65mm
Valve/No Valve

Measure Flow Rates in:
Air, Argon, Carbon Dioxide,
Helium, Hydrogen, Nitrogen,
Oxygen, Water

 

Series GR 65mm Valve / No Valve Series GR
65mm
Valve/No Valve

Air Ranges

0.4CCM - 66 LPM

Water Ranges
1 CCM - 2 LPM
Series GS 65mm Valve / No Valve Series GS
65mm
Valve/No Valve

Air Ranges
0.4CCM - 66 LPM

Water Ranges
1 CCM - 2 LPM

Series GD 150 mm Valve / No ValveSeries GD
150mm
Valve/No Valve

Measure Flow Rates in:
Air, Argon, Carbon Dioxide,
Helium, Hydrogen, Nitrogen,
Oxygen, Water
Series GR 150mm Valve / No ValveSeries GR
150mm
Valve/No Valve


Air Ranges

3 CCM - 66 LPM

Water Ranges
0.5 CCM - 2 LPM
Series GS 150mm Valve / No ValveSeries GS
150mm
Valve/No Valve


Air Ranges
3 CCM - 66 LPM

Water Ranges
0.5 CCM - 2 LPM

Series GS-L 150mm/65mm Valve / No ValveSeries GS-L
150mm/65mm
Valve/No Valve/Inline

Air Ranges

15 - 500 LPM 

Water Ranges
1.4 - 20 LPM
Series GS-M 150mm Valve/No Valve Series GS-M
150mm
Valve/No Valve

Air Ranges

1 - 34 LPM 

Water Ranges
7 CCM - 4.25 LPM

Key Instruments
250 Andrews Road
Trevose, PA 19053-3491 USA
In USA and Canada: (800) 356-7483
Direct: (215) 357-0893
Fax: (215) 357-9239
Email: sales@KeyInstruments.com
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At Key Instruments, our success is built on recognizing that product manufacturers need more from their flow instrumentation suppliers than simply providing a standard product catalog.  Manufacturers of medical equipment, industrial gas mixing and distribution systems, aquaculture control equipment, gas and liquid analyzers, water handling and treatment skids, and many others continue to partner with us due to our unique ability to drive costs out of the final product. When maintaining a world-class supply chain is critical, premier product manufacturers call Key.