Grundfos India assists, the automotive giant, TATA Motors, Pune, in Power saving initiative

TATA Motors Limited is India's largest automobile company, with consolidated revenues of INR 1, 23,133 crores (USD 27 billion) in 2010-11. It is the leader in commercial vehicles in each segment, and among the top three in passenger vehicles with winning products in the compact, midsize car and utility vehicle segments. It is the world's fourth-largest truck and bus manufacturer.

Established in 1945, Tata Motors' presence indeed cuts across the length and breadth of India. Tata Motors, the first company from India's engineering sector to be listed in the New York Stock Exchange (September 2004), has also emerged as an international automobile company. Through subsidiaries and associate companies, Tata Motors has operations in the UK, South Korea, Thailand, Spain and South Africa.

THE SITUATION

TATA Motors, Pune noticed that, the existing Hot Water pumps with 18kw motors were guzzling more power and they were critical to their operation. It was observed that the 12 pumps were not only adding to the energy loss with high energy bills, there were frequent maintenance costs involved.

THE SOLUTION

A detailed energy audit and retrofit initiative was taken up by Grundfos India. After thorough professional study and analysis, the existing pumps were suggested to be replaced by ‘Grundfos ‘ energy efficient’ CR 64-3-1 with 15kw motors to decrease the power wastage of conventional pumps.

The technical Detail of the CR64-3-1 pump:

Liquid temperature range: -20 to 120 °C

Speed for pump data: 2923 rpm

Rated flow: 64 m³/h

Rated head: 60.4 m

Shaft seal: HQQE

Curve tolerance: ISO 9906 Annex A

THE OUTCOME

Grundfos ‘Energy-efficient pump solution was accepted by TATA motors and was implemented in 2008. The company not only started saving energy, but the watertight seals of Grundfos were intact and were no complaints of breakdowns ever since their installation.

Features for Grundfos ‘Energy efficient’ pumps:-

1. Ease of installation and commissioning

2. Trouble-free operation, even in critical applications

3. Reliable performance