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design envelope 4322 tango pumps


HVAC-system pumping and control; general purpose pumping; industrial/process pumping and control (water or glycol based) 


Pipe-mounted 2-pump unit with integrated intelligent controls for space-saving installation, superior energy performance, and parallel-pumping or full redundancy operation. Saves up to 75% in energy over comparable traditional constant speed or variable frequency operated pump installations. Remote services through internet to enhance reliability and sustain optimal performance over life of pumps.


Ductile iron e-coated casing

Stainless steel impeller

Sintered silicon carbide mechanical seal


On-board Intelligent Variable Speed controls with Sensorless control. Split-coupling design and outside balanced or inside single spring mechanical seal. Controls enclosure UL type 12 or UL type 4X for outdoor applications. 1-10hp range standard with iECM motors that reduce losses by more than 20% over NEMA Premium efficiency.  Network capable for remote performance management services.

Performance range

Up to 900 USgpm (56 L/s) in parallel flow and 160 ft (48 m) head (composite curves available)


300˚F (150˚C)

Power Range

1 hp to 10 hp (0.75 kW to 7.5 kW)


1.5" to 3” (40 mm to 80 mm)

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