We offer a complete line of TechnipFMC API 674 piston and plunger pumps where the high-pressure seal cup reciprocates with the cylinder. Depending on the application, the pump's fluid ends can be equipped in ductile iron, carbon steel, aluminum bronze, duplex stainless steel, and other high-end materials. All TechnipFMC pumps are designed with oversize bearings and heavy-duty components to provide years of operational life and deliver outstanding value and performance for various applications.