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

2510A2L10SVVT N/A 2510 Series 10 to 100 Cubic Centimeters Per Minute (cm³/min) Flow Rate Viton® Seal Inlet Valve Variable Area Flow Meter N/A 10 to 100 cm³/min N/A Viton® N/A Inlet Valve N/A 303 Stainless Fittings
2510A2L20SVVT N/A 2510 Series 1 to 10 Gallons Per Hour (gal/h) Flow Rate Viton® Seal Inlet Valve Variable Area Flow Meter N/A 1 to 10 gal/h N/A Viton® N/A Inlet Valve N/A 303 Stainless Fittings
2510A2L22SNVT N/A 2510 Series 4 to 40 Gallons Per Hour (gal/h) Flow Rate Viton® Seal Variable Area Flow Meter with Valve N/A 4 to 40 gal/h N/A Viton® N/A No Valve N/A 303 Stainless Fittings
2510A2L22SVVT N/A 2510 Series 4 to 40 Gallons Per Hour (gal/h) Flow Rate Viton® Seal Inlet Valve Variable Area Flow Meter N/A 4 to 40 gal/h N/A Viton® N/A Inlet Valve N/A 303 Stainless Fittings
2520A4A31BVBN N/A 2520 Series 1 to 10 Gallons Per Minute (gpm) Flow Rate Buna Seal Inlet Valve Variable Area Flow Meter N/A 1 to 10 scfh N/A Buna N/A Inlet Valve N/A Brass Fittings
2520A4A31SNVT N/A 2520 Series 1 to 10 Gallons Per Minute (gpm) Flow Rate Viton® Seal Variable Area Flow Meter with Valve N/A 1 to 10 scfh N/A Viton® N/A No Valve N/A 303 Stainless Fittings
2520A4A31SVVT N/A 2520 Series 1 to 10 Gallons Per Minute (gpm) Flow Rate Viton® Seal Inlet Valve Variable Area Flow Meter N/A 1 to 10 scfh N/A Viton® N/A Inlet Valve N/A 303 Stainless Fittings
2520A4A33BVBN N/A 2520 Series 4 to 40 Gallons Per Minute (gpm) Flow Rate Buna Seal Inlet Valve Variable Area Flow Meter N/A 4 to 40 scfh N/A Buna N/A Inlet Valve N/A Brass Fittings
2520A4A33SVVT N/A 2520 Series 4 to 40 Gallons Per Minute (gpm) Flow Rate Viton® Seal Inlet Valve Variable Area Flow Meter N/A 4 to 40 scfh N/A Viton® N/A Inlet Valve N/A 303 Stainless Fittings
2520A4A34BVBN N/A 2520 Series 10 to 100 Gallons Per Minute (gpm) Flow Rate Buna Seal Inlet Valve Variable Area Flow Meter N/A 10 to 100 scfh N/A Buna N/A Inlet Valve N/A Brass Fittings
2520A4A34SVVT N/A 2520 Series 10 to 100 Gallons Per Minute (gpm) Flow Rate Viton® Seal Inlet Valve Variable Area Flow Meter N/A 10 to 100 scfh N/A Viton® N/A Inlet Valve N/A 303 Stainless Fittings
2520A4A36BVBN N/A 2520 Series 20 to 200 Gallons Per Minute (gpm) Flow Rate Buna Seal Inlet Valve Variable Area Flow Meter N/A 20 to 200 scfh N/A Buna N/A Inlet Valve N/A Brass Fittings
2520A4A36SVVT N/A 2520 Series 20 to 200 Gallons Per Minute (gpm) Flow Rate Viton® Seal Inlet Valve Variable Area Flow Meter N/A 20 to 200 scfh N/A Viton® N/A Inlet Valve N/A 303 Stainless Fittings
2520A4A37BVBN N/A 2520 Series 0.3 to 3 Gallons Per Minute (gpm) Flow Rate Buna Seal Inlet Valve Variable Area Flow Meter N/A 0.3 to 3 scfh N/A Buna N/A Inlet Valve N/A Brass Fittings
2520A4A37SVVT N/A 2520 Series 0.3 to 3 Gallons Per Minute (gpm) Flow Rate Viton® Seal Inlet Valve Variable Area Flow Meter N/A 0.3 to 3 scfh N/A Viton® N/A Inlet Valve N/A 303 Stainless Fittings
2520A4L38BVBN N/A 2520 Series 4 to 50 Cubic Centimeters Per Minute (cm³/min) Flow Rate Buna Seal Inlet Valve Variable Area Flow Meter N/A 4 to 50 cm³/min N/A Buna N/A Inlet Valve N/A Brass Fittings
2520A4L45BVBN N/A 2520 Series 1 to 10 Gallons Per Hour (gal/h) Flow Rate Buna Seal Inlet Valve Variable Area Flow Meter N/A 1 to 10 gal/h N/A Buna N/A Inlet Valve N/A Brass Fittings
2520A4L45SVVT N/A 2520 Series 1 to 10 Gallons Per Hour (gal/h) Flow Rate Viton® Seal Inlet Valve Variable Area Flow Meter N/A 1 to 10 gal/h N/A Viton® N/A Inlet Valve N/A 303 Stainless Fittings
2520A4L46BVBN N/A 2520 Series 6 to 60 Gallons Per Hour (gal/h) Flow Rate Buna Seal Inlet Valve Variable Area Flow Meter N/A 6 to 60 gal/h N/A Buna N/A Inlet Valve N/A Brass Fittings
2520A4L46SVVT N/A 2520 Series 6 to 60 Gallons Per Hour (gal/h) Flow Rate Viton® Seal Inlet Valve Variable Area Flow Meter N/A 6 to 60 gal/h N/A Viton® N/A Inlet Valve N/A 303 Stainless Fittings
2520A4L48BVBN N/A 2520 Series 2 to 25 Gallons Per Hour (gal/h) Flow Rate Buna Seal Inlet Valve Variable Area Flow Meter N/A 2 to 25 gal/h N/A Buna N/A Inlet Valve N/A Brass Fittings
2520A4L48SVVT N/A 2520 Series 2 to 25 Gallons Per Hour (gal/h) Flow Rate Viton® Seal Inlet Valve Variable Area Flow Meter N/A 2 to 25 gal/h N/A Viton® N/A Inlet Valve N/A 303 Stainless Fittings
2520A4L50SVVT N/A 2520 Series 40 to 400 Cubic Centimeters Per Minute (cm³/min) Flow Rate Viton® Seal Inlet Valve Variable Area Flow Meter N/A 40 to 400 cm³/min N/A Viton® N/A Inlet Valve N/A 303 Stainless Fittings
2520A4L51BVBN N/A 2520 Series 25 to 225 Cubic Centimeters Per Minute (cm³/min) Flow Rate Buna Seal Inlet Valve Variable Area Flow Meter N/A 25 to 225 cm³/min N/A Buna N/A Inlet Valve N/A Brass Fittings
2520A4L52SVVT N/A 2520 Series 40 to 660 Cubic Centimeters Per Minute (cm³/min) Flow Rate Viton® Seal Inlet Valve Variable Area Flow Meter N/A 40 to 660 cm³/min N/A Viton® N/A Inlet Valve N/A 303 Stainless Fittings
Unit of Measure
1 2 3 4