Pump body: spheroidal cast iron
Head: spheroidal cast iron with chemical nickel plating
Shaft support bearings oversized for long duration
Connecting rods: steel with thin-shell bearings
Guiding piston: stainless steel
Suction/delivery valves in stainless steel
Seals: high dependability, V profile
Routine maintenance includes easy operations such as: oil check & change, check and possible replacement of seals.