"Wilo-Stratos PICO” high-efficiency pump presented at ISH 2009 in Frankfurt, the Dortmund-based pump expert WILO SE moves into “new dimensions of high efficiency”. It allows power savings of up to 90 % compared to uncontrolled heating pumps. The new 4-watts technology makes it possible, a further development of the EC motor technology known from the “Wilo-Stratos” high-efficiency pumps. The new model consumes only half as much power as it is required according to the currently best energy efficiency class A and sets new standards here.

The new high-efficiency pump “Wilo-Stratos PICO” is designed for single-family or two-family houses and will replace the “Wilo-Stratos ECO” from the heating season 2009/10 onwards. Compared to the predecessor model, which was also recognised in the heating pump test of Germany’s Consumers’ Association “Stiftung Warentest” as the test winner in the category “energy efficiency”, the new pump is not only characterised by a once more considerably lower power consumption, but also by further innovative performance characteristics. A larger, well-arranged front display with a clear menu navigation allows an intuitive setting of the pump and displays the current power consumption in watts.

Another special feature is an automatic ventilation function which avoids performance losses and noise due to air accumulation in the pump casing. The ventilation function is also called up via the operation menu and can be activated e. g. after the installation or after maintenance work. After expiration of the programme, the pump automatically returns to the pre-set modus.

“Wilo-Stratos PICO” also offers clear advantages for the installation. It is equipped with the new “Wilo connector” which allows a quick connection of the pump to the power supply without any tools. The connector is a good assistance when a pump needs to be replaced because it is compatible with the connection components of different standard products. Furthermore the new high-efficiency pump has a very compact construction for a flexible installation so that it can be installed without any problems also in difficult installation environments.

Grundfos Pumps Ltd has launched a new range of horizontal multistage pumps to replace the current CH, CHN and CHI (E) products over the next year or so.

The new range covers flow rates up to 25m3/hr generally at heads up to 60m in fixed (CM) and   variable speed (CME) products and provide us with features and benefits as follows:

Better hydraulic and motor efficiencies – less energy consumed
New pump and motor design – reliability improvements
Smaller in size – space saving compared with previous models
Lots of customised options – e.g. alternative seals and voltage ranges
WRAS Approval as Standard – drinking water compatible
Quieter in operation – less noise
Comprehensive product information – easy to select and specify
Competitive products – value for money

Highly reliable and technologically advanced multipurpose pump capable of satisfying the needs of a wide variety of users. Many different construction designs are available, with models featuring 1-3-5-10-15-22-33-46-66-92-125 m3/h nominal capacities.
All 1-3-5-10-15-22-125SV >= 0.75kW are equipped with IE2 standard motors.

New design features:

• Balanced mechanical seal replaceable with out need for pump disassembling (for 10-15-22SV>=5,5kW, SV33-46-66-92SV and 125SV)
• "O" Ring seat design to allow for simple outer sleeve disassembly
• Floating for self alignment replaceable diffuser wear ring (PPS Glass filled tecnopolymer to withstand chemically corrosive, mechanically aggressive and high temperature liquids)
• Reduced impeller axial thrust for longer standard motor bearing life (17,500h)
• Hard Material Intermediate bush bearing (Tungsten Carbide/Silicon Carbide) to improve life and ability to withstand heavy duty applications, like boiler feeding
• High temperature seal option (150°C max) with low NPSH design, high pressure design (up to 40 Bar), and passivated & electro-polished version are available upon request.

Further unique features of the e-SV include the integration of performance diagnostic devices such as the i-Alert™ vibration monitor and Dry Run sensor. i-Alert™ is provided as standard on 10-15-22SV≥7.5kW and on 125SV, and as an accessory on all other models. The Dry Run sensor is available as an accessory for all models.