Series MR Flowmeters
KEY INSTRUMENTS • 250 Andrews Road • Trevose, PA 19053 • 800.356.7483 • 215.357.0893 • Fax: 215.357.9239
www.KeyInstruments.com • sales@KeyInstruments.com
Rev. Q-113
DESCRIPTION
Series MR3000 - Molded of high-impact resistant
polycarbonate these flowmeters are available with 24 different air
and water ranges. These units are supplied with scales in LPM
Air, SCFH Air, CCM Water and GPH Water, all with 10:1 turn down
ratios. The MR3000 has been designed to maintain maximum
pressures to 100 psig and temperatures to 150°F. 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 connections. An optional
inlet or outlet control valve can be specified.
RANGE MODEL RANGE MODEL
SCFH AIR CODE LPM AIR CODE
.1-1 3A00 .05-.5 3A12
.2-2.5 3A01 .1-1.2 3A13
.4-5 3A02 .4-5 3A14
1-11 3A03 .2-2.5 3A23
2-22 3A04 1-10 3A15
4-60 3A06 2-30 3A16
10-110 3A07 4-50 3A17
20-200 3A08 10-100 3A18
GPH WATER CCM WATER
.2-2.5 3L28 4-50 3L09
.4-5 3L19 5-110 3L10
1-10 3L20 20-300 3L11
2-25 3L21
4-40 3L22
FITTINGS VALVE SEALS
B-Brass
N-None BN-Buna-N
S-Stainless Steel V-Valve VT-Viton
O-Outlet Valve
ORDERING INFORMATION
MR MODEL FITTINGS VALVE SEALS
N U M B E R
MR 3A07 B V BN
SPECIFICATIONS
Accuracy ± 4% Full Scale
Body & Tube Polycarbonate
Floats Black glass, Carbide,
Stainless Steel or Aluminum
Temperature 150º F / 65º C Maximum
Pressure 100 PSI 6.9 Bar Maximum
Fittings Brass or Stainless Steel
Valve Brass or Stainless Steel
(optional) Cartridge Type
Seal Material Buna-N w/ Brass Fittings
Viton
®
w/Stainless Steel
*Specifications subject to change without prior notification.
Contact factory for latest data.
Viton
®
is a registered trademark of EI Dupont
SERIES MR FLOW TABLE
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