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

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

They ensure that the liquid in the dosing tank is mixed constantly

after-run function

cm 15 2 a r a e aqqe f a a n 99080200 Le valvole a pedale sonoCompact, 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