AbsolutAire 043 User Manual
MRI-1000 - CONDENSED CAT ALOG
Service Regulators:
Models 043, 143-6, and 143-80
043
Max. Inlet Pressure = 125 PSI
Max. Outlet Pressure = 2 PSI
Max. Capacity = 1,000 SCFH
Max. Inlet Pressure = 125 PSI
Max. Outlet Pressure = 6 PSI
Max. Capacity = 2,400 SCFH
143-6
143-80
Max. Inlet Pressure = 125 PSI
Max. Outlet Pressure = 6 PSI
Max. Capacity = 2,400 SCFH
Overview
Equimeter’s service regulators have a simple, modern design and rugged construction, offering
greater dependability, precise pressure control, and outstanding performance. They are designed to be installed in numerous mounting positions and are simple to adjust and service. The
union nut style connection on the 143-80 makes it especially easy to adjust.
Applications
Equimeter’s family of service regulators is designed and built for domestic gas service, as well as
some commercial and industrial applications such as burners, furnaces, ovens, heaters, gas
engines, etc. Although mainly used with natural gas, they perform as well when used with air,
LPG, dry CO2, propane, and other gases. Operating temperatures range from -20° F to 150° F.
The 043, 143-6, and 143-80 service regulators are not recommended for buried service.
© Copyright 1998 Equimeter, Inc.
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Dimensions and Specifications
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681,481
6,4
,29,19,09
281,181,081
,PH29,PH19
PH281,PH181
PH2,PH1,2,1
5.52105000,16
281,181,29,19
5.521052004,2
5.06003,1
5.521052004,2
5.06003,1
-340
-6-341
-08-341
* Dimensions are affected by mounting position and angle or straight body configuration. See bulletins R-1300, R-1303, and
R 1301 for specific dimensions.
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Variations
043 Regulators
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• Angled (043-90, -91, & -92) or straight-through (043-180, 043-181, & 043-182) bodies
• Variable mounting positions
• Standard or relief valve type diaphragm and vent valve
• 3/4" vent size with standard or relief valve type diaphragm and vent valve
• Pipe sizes: 3/4" or 1" (angled body); 3/8", 1/2", 3/4", or 1" (straight-through body)
• Five springs available to provide five different outlet pressure range: 3 1/2" w.c.
to 2 psig.
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