CZPPSupply of concrete pump piston, truck pump concrete pump piston, mortar pump concrete pump piston, fine stone pump concrete pump piston. Concrete pump pistons are classified by model: diameter 120 concrete pump piston, diameter 140 concrete pump piston, diameter 160 concrete pump piston, diameter 200 concrete pump piston, diameter 230 concrete pump piston, diameter 260 concrete pump piston. The concrete pump piston is classified by material: rubber plus concrete pump piston, rubber integral piston, polyurethane split piston, high-quality polyurethane piston and so on. specifications for the concrete pump pistons: Schwing: