Pune based Span Pumps launches Solar powered pumps for community and institutional water supply

The first solar water pump was installed by the Gram Panchayat of Talegaon Dhamdhere in Pune District.

Pune, Maharashtra, October 23, 2010 /India PRwire/ -- Pune based Span Pumps have launched Solar Powered pumps for Community and Institutional water supply. The first of this unique pumps was launched at the hands of Mrs. Savita Tai Dagde, President, Zilla Parishad Pune.

The first solar water pump was installed by the Gram Panchayat of Talegaon Dhamdhere in Pune District.

Speaking to reporters director of Span Pumps Mr Nitin Mutiyan & Ajit Bhandari said that during a normal day the pump operates for about 7-8 hours between sunrise and sunset and pumps about 9000L water.

The advantage of these pumps are that there are no recurrent cost as the solar power is free and the systems can run with out an operator, he added.

A large percentage of the rural communities dependent on bore well for drinking water supply. While some of these wells are energized with power pumps most are provided with the manually operated pumps developed in eighties.

Since then rural communities have been using these pumps for over three decades. The hand pump is recognized as a backbone of the rural water supply programme.

On the other hand however the over development of ground water coupled with lack of adequate re-charge has lead to lowering of water levels in many areas. During the lean summer months it is common to see that operating a hand pump gets laborious. With this in mind we developed the Solar powered bore well pumping system specially as an alternative option to over come the above difficulties.

The system consists of a submersible pump which runs on power generated from the photovoltaic solar cells. The system is very useful for areas with out access to or intermittent electric supply. The system is suitable for use on 100 mm and above diameter bore wells up to 80-90m depth.

In practice a solar array (300-800W) is installed near the bore well. A submersible pump powered with DC motor is installed below the hand pump cylinder. Both the submersible and the hand pumps share the same riser pipes.

He added that the system developed by Span Pumps operates with out batteries and inverter. The pump draws power from the solar array directly. The pump is connected to a storage tank and water is dispensed through a stand post. After the sunset or when solar power is not available the users can operate hand pump and obtain water. The system thus has a back-up and ensures uninterrupted water supply.

The life of a solar panel is estimated to be around 15-20 years plus the product is also environment and user friendly.

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