Manufacturer Part Number: R74G-4AK-RMN|Type|Regulator Type|Standard RegulatorPort Size|1/2Range|5 to 150End Connections|NPTFMaximum Air Flow|220 CFMMaximum Supply Pressure (psi)|300.00Maximum Working Pressure|300.00Pressure Gauge Included|NoOverall Height|Overall Width|Gauge Port Thread Size|1/4Modular Connection|YesControl Signal|Fluid Type|Compressed AirRelief Function|YesSeries|R74GAir Flow (CFM)|220.00Material|ZincMinimum Temperature (Deg F - 3 Decimals)|-30.00Maximum Temperature (F) ( - 0 Decimals)|Thread Size|For Use With|UNSPSC Code|40142202