knife gate valve with double acting actuator, wafer type, body cast iron EN-GJL-250/ductile iron EN-GJS-500-7, gate AISI 304, soft sealed EPDM, packing PTFE-synthetic/EPDM, screws stainless steel, nominal flange pressure PN10, unidirectional sealed, control pressure 5,5...8bar, medium temperature -5...+90°C, DN 250mm, length 70mm, pressure range 0…8bar