Key Instruments
Key Instruments
500 Coventry Lane Croydon,
PA 19021, USA
Phone: 215-788-5523
E-Mail: sales@keyinstruments.com
Website: www.keyinstruments.com
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Series 2500 is a standard precision-machined acrylic flow meter for liquids and gases, with direct reading air or water scales and is available in either English or metric scales.
2500 Series Variable Area Flowmeters
2510 Series 0.0 to 1 Standard Cubic Feet per Hour (scfh) Flow Rate Buna Seal Inlet Valve Variable Area Flow Meter - 2
Unit of Measure
1 2 3 4 

Item #

Item Name

Flow Rate

Seal Material

Valve

Fittings

2540A5A52PV N/A 2540 Series 10 to 100 Standard Cubic Feet Per Minute (scfm) Flow Rate Buna Seal Variable Area Flow Meter N/A 10 to 100 scfm N/A Buna N/A Yes N/A Polyvinyl Chloride (PVC) Fittings
2540A5A52SI N/A 2540 Series 10 to 100 Standard Cubic Feet Per Minute (scfm) Flow Rate Viton® Seal Variable Area Flow Meter with Valve N/A 10 to 100 scfm N/A Viton® N/A No Valve N/A 303 Stainless Fittings
2540A5A52SV N/A 2540 Series 10 to 100 Standard Cubic Feet Per Minute (scfm) Flow Rate Viton® Seal Variable Area Flow Meter N/A 10 to 100 scfm N/A Viton® N/A Yes N/A 303 Stainless Fittings
2540A5L58PI N/A 2540 Series 2 to 20 Gallons Per Minute (gpm) Flow Rate Buna Seal Variable Area Flow Meter with Valve N/A 2 to 20 gpm N/A Buna N/A No Valve N/A Polyvinyl Chloride (PVC) Fittings
Unit of Measure
1 2 3 4