... PISTON ASSEMBLY For Triplex and Duplex mud Pumps Piston cores are made of normalized carbon steel forgings ... API 7K quality standards. Parts are available for these popular pump models:Emsco:F-1300, F-1600, ... A-1400-PTAnd other brand spare parts for WIRTH, OPI, Ellis Williams, Wilson, Gaso, ... Skytop/Brewster.For more company profiles and products information, please ...