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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The Key Instruments 3000 Series is molded of high-impact resistant polycarbonate. These purgemeters are available with 24 different air and water ranges and are supplied with scales in LPM Air, SCFH Air, CCM Water and GPH Water, all with 10:1 turndown ratios. The 3000 has been designed to maintain maximum pressures to 100 psig and temperatures to 150ºF. These meters are particularly suited for purge applications. These economically engineered units have been designed to provide the highest quality with precision accuracy. These flowmeters are fitted with 1/8” FNPT inlet and outlet. An optional inlet or outlet control valve can be specified.
3000 Series Variable Area Purgemeters
Unit of Measure
1 

Item #

Item Name

Flow Rate

Fittings

Valve

Seal Material

MR3A00BVBN N/A 3000 Series 0.1 to 1 Standard Cubic Feet Per Hour (scfh) Flow Rate Buna Variable Area Purgemeter N/A 0.1 to 1 scfh N/A Brass Fittings N/A Inlet Valve N/A Buna
MR3A00SVVT N/A 3000 Series 0.1 to 1 Standard Cubic Feet Per Hour (scfh) Flow Rate Viton® Variable Area Purgemeter N/A 0.1 to 1 scfh N/A 303 Stainless Fittings N/A Inlet Valve N/A Viton®
MR3A01BVBN N/A 3000 Series 0.2 to 2.5 Standard Cubic Feet Per Hour (scfh) Flow Rate Buna Variable Area Purgemeter N/A 0.2 to 2.5 scfh N/A Brass Fittings N/A Inlet Valve N/A Buna
MR3A01SVVT N/A 3000 Series 0.2 to 2.5 Standard Cubic Feet Per Hour (scfh) Flow Rate Viton® Variable Area Purgemeter N/A 0.2 to 2.5 scfh N/A 303 Stainless Fittings N/A Inlet Valve N/A Viton®
MR3A04BVBN N/A 3000 Series 2 to 22 Standard Cubic Feet Per Hour (scfh) Flow Rate Buna Variable Area Purgemeter N/A 2 to 22 scfh N/A Brass Fittings N/A Inlet Valve N/A Buna
MR3A04SVVT N/A 3000 Series 2 to 22 Standard Cubic Feet Per Hour (scfh) Flow Rate Viton® Variable Area Purgemeter N/A 2 to 22 scfh N/A 303 Stainless Fittings N/A Inlet Valve N/A Viton®
MR3A08BVBN N/A 3000 Series 20 to 200 Standard Cubic Feet Per Hour (scfh) Flow Rate Buna Variable Area Purgemeter N/A 20 to 200 scfh N/A Brass Fittings N/A Inlet Valve N/A Buna
MR3A08SVVT N/A 3000 Series 20 to 200 Standard Cubic Feet Per Hour (scfh) Flow Rate Viton® Variable Area Purgemeter N/A 20 to 200 scfh N/A 303 Stainless Fittings N/A Inlet Valve N/A Viton®
MR3A12BVBN N/A 3000 Series 0.05 to 0.50 Liters Per Minute (L/min) Flow Rate Buna Variable Area Purgemeter N/A 0.05 to 0.50 L/min N/A Brass Fittings N/A Inlet Valve N/A Buna
MR3A12SVVT N/A 3000 Series 0.05 to 0.50 Liters Per Minute (L/min) Flow Rate Viton® Variable Area Purgemeter N/A 0.05 to 0.50 L/min N/A 303 Stainless Fittings N/A Inlet Valve N/A Viton®
MR3A13BVBN N/A 3000 Series 0.1 to 1.2 Liters Per Minute (L/min) Flow Rate Buna Variable Area Purgemeter N/A 0.1 to 1.2 L/min N/A Brass Fittings N/A Inlet Valve N/A Buna
MR3A13SVVT N/A 3000 Series 0.1 to 1.2 Liters Per Minute (L/min) Flow Rate Viton® Variable Area Purgemeter N/A 0.1 to 1.2 L/min N/A 303 Stainless Fittings N/A Inlet Valve N/A Viton®
MR3A16BVBN N/A 3000 Series 2 to 30 Liters Per Minute (L/min) Flow Rate Buna Variable Area Purgemeter N/A 2 to 30 L/min N/A Brass Fittings N/A Inlet Valve N/A Buna
MR3A16SVVT N/A 3000 Series 2 to 30 Liters Per Minute (L/min) Flow Rate Viton® Variable Area Purgemeter N/A 2 to 30 L/min N/A 303 Stainless Fittings N/A Inlet Valve N/A Viton®
MR3A17BVBN N/A 3000 Series 4 to 50 Liters Per Minute (L/min) Flow Rate Buna Variable Area Purgemeter N/A 4 to 50 L/min N/A Brass Fittings N/A Inlet Valve N/A Buna
MR3A17SVVT N/A 3000 Series 4 to 50 Liters Per Minute (L/min) Flow Rate Viton® Variable Area Purgemeter N/A 4 to 50 L/min N/A 303 Stainless Fittings N/A Inlet Valve N/A Viton®
MR3A18BVBN N/A 3000 Series 10 to 100 Liters Per Minute (L/min) Flow Rate Buna Variable Area Purgemeter N/A 10 to 100 L/min N/A Brass Fittings N/A Inlet Valve N/A Buna
MR3A18SVVT N/A 3000 Series 10 to 100 Liters Per Minute (L/min) Flow Rate Viton® Variable Area Purgemeter N/A 10 to 100 L/min N/A 303 Stainless Fittings N/A Inlet Valve N/A Viton®
MR3L11SVVT N/A 3000 Series 20 to 300 Cubic Centimeters Per Minute (cm³/min) Flow Rate Viton® Variable Area Purgemeter N/A 20 to 300 cm³/min N/A 303 Stainless Fittings N/A Inlet Valve N/A Viton®
MR3L21SVVT N/A 3000 Series 2 to 25 Gallons Per Hour (gal/h) Flow Rate Viton® Variable Area Purgemeter N/A 2 to 25 gal/h N/A 303 Stainless Fittings N/A Inlet Valve N/A Viton®
MR3L28BVBN N/A 3000 Series 0.2 to 2.5 Gallons Per Hour (gal/h) Flow Rate Buna Variable Area Purgemeter N/A 0.2 to 2.5 gal/h N/A Brass Fittings N/A Inlet Valve N/A Buna
MR3L28SVVT N/A 3000 Series 0.2 to 2.5 Gallons Per Hour (gal/h) Flow Rate Viton® Variable Area Purgemeter N/A 0.2 to 2.5 gal/h N/A 303 Stainless Fittings N/A Inlet Valve N/A Viton®
Unit of Measure
1