Composition_x000D_ _x000D_ _x000D_ Casing: aluminium, cast iron_x000D_ Diaphragm: Santrophene, Hytrel, Teflon, Viton, EPDM, Buna-N_x000D_ Ball: Santoprene, Hytrel,Teflon, Viton, Stainless steel, Ceramic_x000D_ Ball seat; Santoprene, Hytrel,Teflon, Viton, Stainless steel_x000D_ Center Block: PP, Aluminium, Stainlees steel_x000D_ _x000D_ _x000D_ Weight_x000D_ _x000D_ _x000D_ Aluminium pump: 11kg_x000D_ Cast iron pump: 25kg_x000D_ _x000D_ _x000D_ Technical Parameters_x000D_ _x000D_ _x000D_ Suction lift (mwc): Dry: 4 / Wet: 8_x000D_ Max particle diameter (mm): 4_x000D_ Suction and discharge size (in): 1_x000D_ Air inlet (in): 1/2_x000D_ Max flow (l/min): 157_x000D_ Max head (m): 84_x000D_ Max air inlet pressure (bar): 8.4_x000D_ _x000D_ _x000D_