La tenuta meccanica è secondo EN 12756

rain water and similar

DDA 30-4 FC-PVC/E/C-F-31I002FG The SMART Digital DDA is a compact positive displacement

drainage and surface water

DDA 120-7 AR-SS/V/SS-F-32A1A1F The SMART Digital DDA is a compact positive displacement

cm 3 3 a r a e avbe j a a n 96935730 La tenuta meccanica è secondoCompact, reliable, horizontal, multistage, end suction centrifugal pump with axial suction port and radial discharge port. The shaft, impellers and chambers are made of stainless steel. The inlet and discharge parts are made of cast iron. The mechanical shaft seal is a special designed, unbalanced O ring seal. Pipework connection is via internal Whitworth pipe threads, Rp (ISO 7 1). The pump is fitted with a 3 phase, foot mounted, fan cooled