Sensus 243-8-6 Model Commercial Lpg Gas Regulator Low Pressure ANSI 125

Sensus 243-8 Model Commercial Lpg Pressure Regulator Low Pressure Cut-Off Plus Internal Relief Valve

Sensus Brand Model 243-8 Natural Gas Regulator

243-8-6 Low Pressure Cut-Off with Internal Relief Valve

Introduction

Sensus 243-8 model has low-pressure cut-off (LPCO) is used to automatically shut off the gas when inlet pressure is no longer large enough for the required flow. It is an optional, extra safety device that is built into the 243 as an integral part of this regulator.

During normal operation, the 243 provides its usual accurate control over the pressure of the delivered gas. However, if a line break or something else causes the regulator to open excessively as it attempts to handle the flow demand, the cutoff closes and shuts off the gas. This helps prevent a hazardous condition from developing on the service side of the regulator.

As an added protection, the LPCO does not reset itself if inlet pressure happens to return to normal. Instead, it must be manually reset, thus helping to prevent a pressure malfunction from passing unnoticed.

Internal construction and capacities are given on pages 3 and 4. Note that these regulators are also available with an internal relief valve (IRV). References to the term standard indicate non-IRV configurations.

Cut-off data is given in the curves on page 5. These show the relationship between inlet pressure and flow for the various orifice sizes. Bodies are cast iron (ASTM A126-Class B).Diaphragm cases are die-cast aluminum alloy.

243 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.

Benefits to you

• Installs and adjusts easily

• Allows for pressure factor measurement, pressure compensated metering and fixed factor billing

243-8-1 Standard Regulator.

Orifice and Maximum Inlet Pressure

Regulator Spring Chart

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