Product Range: Rubber Piston Ram Concrete Pump Piston Ram Putzmeister Rubber Piston Ram Features of Concrete Pump Piston,Piston Ram : Economical prices Reliable & Long Life Ethical business values. Reliable range of products Design High quality standards Timely delivery of consignments Description: 1. The unique oil-and solvent-resistant rubber coating assure a longer work-life,even under conditions