Submersible Wastewater Pumps | Tsurumi 50PNI2.4S
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The PNI-series is a submersible semi-vortex pump designed for handling wastewater and liquid carrying small solid matters. It is made of resin and 304 stainless steel and excellent in corrosion-resistance. The semi-vortex pump design with moderate solids passage provides efficient performance for versatile applications. Liquid paraffin is used for the lubricating oil, which widens the application of the pump to decorative waterfalls, fishponds, aquaculture, etc.
ø Discharge bore mm 50mm
Pumping Fluid Temperature0-40°C
Type of Fluid Municipal sewage, water with solids
Pump Components Impeller Vortex impeller
Shaft Seal Double mechanical seal
Bearings Shielded ball bearings
Material Impeller Glass fibre reinforced plastic
Upper casing Glass fibre reinforced plastic
Lower casing Plastic
Shaft Seal Silicon carbide in oil bath
Motor Type, Poles Induction motor, 2 poles, IP68
Lubrication Turbine oil (ISO VG32)
Insulation Insulation class E
Motor Protector (built-in) Miniature protector, Circle thermal cut-out
Phase / Voltage Single phase 230V / 50Hz
Material Casing Stainless steel EN-X5CrNi18-10
Shaft Stainless steel EN-X6Cr13
Cable Rubber, 10m H07RN-F
Discharge Connection Inside thread, flange
Optional Accessories Guide rail fitting "TOK" for small pumps
Tsurumi PNI Submersible Pumps are multi-purpose pumps that have adopted stainless steel where metal must be used, while other strategic components are molded in or armored with high tech resins. Durable, stable in operation and compact.
Vortex Impeller
This impeller is used mainly to avoid clogging or wear by large or stringy solids in the water. It accelerates part of the water to great speed, and this speed is used to smoothly move all the water from inlet to outlet.
Adjustable Float Switch
Start and stop level can be adjusted, built-in auto-Manual selector Switch.
Lightweight
The idea that pumps must be made through casting is already a thing of the past. PNI pumps are the brain child of Tsurumi´s efforts to get rid of full-cast pumps through material innovation. This has reduced the average weight of PNI pumps to less than half of that of conventional equivalents. Also, installation and maintenance work for these new pumps have become far easier than ever before.
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