New high-efficiency pumps
"Wilo-Stratos" series extended for commercial buildings

Full functional range also for small performance ranges / Universal high-efficiency pumps for heating as well as for cooling and air-conditioning / Integration into building automation possible /

Leading pump and pumping system expert WILO has introduced an extended range  of its new high-efficiency Wilo-Stratos series. The Stratos range has been extended by adding seven further models for connections ranging from DN25 to DN50. The Wilo-Stratos series offers power-saving, high-efficiency pumping with a range of control options and interfaces to building automation systems, but can also be used for smaller performance ranges, up to a delivery head of 4 m. They are ideal for smaller heating and cooling circuits in commercial buildings. This latest range extension allows for easier replacement of old, uncontrolled pumps by new generation, high-efficiency pumps.

Supplied with an IF-Module, all Wilo-Stratos pumps are suitable for integration into building automation systems. Pumps can be made bus-capable in line with today’s standards -  LON, CAN, BACnet or Modbus. In addition, these high-efficiency pumps have an infrared interface for pump monitoring. This interface enables wireless reading of all relevant pump data over several metres distance to the pump, through the use of a Wilo-IR-Monitor remote enquiry device, or a Wilo-IR-Module for pocket PCs. The Wilo-Stratos high-efficiency series offers a power saving potential of 80% compared to uncontrolled pumps and has been the reference standard for Class A energy efficiency heating pumps since 2001.

The pumps can be applied universally. For load adjustment, they can be pre-set to the control modes constant differential pressure (Δp-c), variable differential pressure (Δp-v) and temperature-controlled differential pressure (Δp-T). Due to the wide fluid temperature range from -10°C to +110°C they are not only optimally suitable for heating systems, but also for the use in cooling and air-conditioning. For this purpose, all Wilo-Stratos pumps have a cataphoretic coating as standard. In addition, accumulating condensate can be safely discharged via a drain labyrinth.

The Wilo-ClimaForm cold water insulation shell is available as a recommended accessory for all Wilo-Stratos series high-efficiency pumps. This is made of a flexible elastomer material - AF/Armaflex - which offers high water vapour diffusion resistance and low heat conductivity. The shell system is a precision made, pre-fabricated unit and fits the pump housing very accurately without affecting the function of the condensate drain system. Time-consuming modifications are no longer necessary, and installation takes only a few minutes even in the most complex installations.

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