Le valvole a pedale sono installate all'estremità inferiore del tubo di aspirazione e includono il peso

DDA 17-7 AR-PP/E/C-F-31I002FG The SMART Digital DDA is a compact positive displacement

Submersible borehole pump

DDC 9-7 AR-PP/V/C-F-31U2U2FG The SMART Digital DDC is a compact positive displacement

cm 15 4 a r i e aqqe f a a n 98958451 Le valvole a pedale sonoCompact, reliable, horizontal, multistage, end suction centrifugal pump with axial suction port and radial discharge port. Pump materials in contact with the liquid are in stainless steel. 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 asynchronous motor.