Pressure loading valves provide a constant counter-pressure and prevent siphoning They are installed in the discharge line after the pressure relief valve
The impeller is a SEMI OPEN impeller for 12 mm free passage suitable for pumping groundwater
The pumps are designed for continuous (S1) operation
The motor is insulation class F and has long-life deep-groove greased-for-life ball bearings
DDA 60-10 AR-PVC/T/C-F-31U3U3F The SMART Digital DDA is a compact positive displacement
cm 5 3 a r a e avbe j a a n 96935772 Pressure loading valves provide aCompact, 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