This Standard applies to new valve construction andcovers quarter turn manually operated metallic valvesin sizes NPS 414 and tubing sizes 114 O.D. These valvesare intended for indoor installation as gas shutoff valveswhen installed in aboveground fuel gas piping downstreamof the gas meter outlet and upstream of the inletconnection to a gas appliance. The valves covered bythis Standard are intended for service at temperaturesbetween 32F (0C) and 125F (52C) at pressure ratingsnot to exceed 5 psi (0.34 bar). When so designated by themanufacturer, these valves may be installed for serviceoutdoors and/or at temperatures below 32F (0C) and/or above 125F (52C).