usually is the round circle one, there are soft, middle soft, and hard one, sizes are DN50-DN150, through the pressure press the balls in the pipe to clean the concrete , Volume Capacitycan accommodate a full hopper of concrete, Made from ABS plastic and natural rubber. our balls are usually orange color, other colours are also avaliable, green, blue and so on ! Tensile strength :0.25-1.2N/mm, Environmentally compatible Low temperature resistance up to -40°C elastic Concrete Pump Cleaning Ball,Concrete Pump Spong Ball,Small Concrete Pump Cleaning Ball Hebei Shengdebaolong International Trading Co.,ltd , http://www.sdblpumpparts.com
With CE certificate;Â
Model:FT8082
Power: 800WÂ
Working range: Φ 20Φ 25Φ 32Φ 40Φ 50Φ 63Φ
Enviroment Temperature:-20~50ºC;
Relative Humidity:45%-95%;
Working Temperature:260±5ºC;
QTY/CTN: 10PCS;Â 
Please inform us electric voltage and electric plug requirement before placing the order.;
Warranty is six month for workmanship and failed parts due to poor quality. Warranty does not include moulds and improper handling of the tools.
Hot Selling 20-63mm Fusion/Welding Machine for PPR Pipe
Model NO.: FT-8082
HS Code: 85158000
Hot Selling 20-63mm PPR Fusion Machine