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Sensus Brand Model 243-12 Natural Gas Regulator
Natural Gas Regulators with Large Capacity for Big Performance
243-12 model commercial industrial service regulators are large capacity and designed for a wide range of commercial, industrial and gas distribution applications. They are ideal for pressure factor measurement, pressure compensated metering, fixed-factor billing and more. Their smart design offers great field versatility. With a union connection between the fully interchangeable bodies and the diaphragm case, these natural gas regulators are easy to install, adjust, inspect and service in all piping arrangements.
243-12 model commercial regulators can be found in factories, foundries, district regulator stations, commercial laundries and laundromats. These versatile natural gas regulators are ideal for commercial use such as apartments, restaurants, schools and hospitals. Their design works well for all types of gas-fueled equipment, too. This includes: boilers, burners, furnaces, ovens, heaters, kilns and engines.
243-12-1 Same as IRV Regulator except no internal relief valve and standard cover cap as shown in inset.
Orifice and Maximum Inlet Pressure
Pressure | Size |
25 psi | 1” |
40 psi | 1” |
40 psi | 3/4” |
60 psi | 3/4” |
100 psi | 1/2” |
125 psi | 3/8” |
125 psi | 1/4” |
Regulator Spring Chart
Outlet Pressure Ranges | Spring Color |
3.5” - 6.5” w.c/ 0.9-1.7kpa | Red |
5.0” - 8.5” w.c/ 1.2-2.1kpa | Blue |
6.0” - 14.0” w.c./1.5-3.5kpa | Green |
10" to 18" w.c. | Orange-Black |
12" to 28" w.c. | Orange |
1 to 2 psi | Black |
1½ to 3 psi | Cadmium |