Smith Precision Products Company has been the global leader in liquefied gas transfer since 1938, supplying the first pump specifically designed for butane/propane liquid service. Today, we manufacture positive displacement pumps ranging from 5 to 250 GPM flow capacities, as well as accessories including bypass valves, Y-type strainers, and flexible drive couplings. Some LP-gas applications our products are used for include cylinder filling, automotive fueling, bulk transfer, vaporizers, high-pressure burners, and truck applications. Smith Precision Products also specializes in the transfer of carbon dioxide, anhydrous ammonia, refrigerants, coolants, diesels and several other liquid services. For more information, please visit our website at www.smithpumps.com.