... Information Handling Services COPYRIGHT American Petroleum InstituteLicensed by Information Handling Services Centrifugal Pumps for Petroleum, Heavy Duty Chemical, and Gas Industry Services SECTION ... requirements for centrifugal pumps, including pumps running in reverse as hydraulic power recovery turbines, for use in petroleum, heavy- duty chemical, and gas industry services. This standard is ... InstituteLicensed by Information Handling Services " API STDWbLO 95 m 0732290 0546358 307 CENTRIFUGAL PUMPS FOR PETROLEUM, HEAVY Dm CHEMICAL, AND GAS INDUSTRY SERVICES ~ 4-5 4.4.2...