... circulate cooling system is applied to its inner seal housing, which makes ES pump simple in ... marine, fire fighting and power station. DesignGerman StandardStructureSingle-stage, Double-suction, Split-casing, Centrifugal pumpFlangeDIN2501 (ISO7005.2 / ... ShaftASTM1045 standard, ASTM420, ASTM304, ASTM316 optional;Shaft SealMechanical Seal standard (Carbon-Ceramic/Viton standard, Caron-Sic/Viton ...