Buski D-12 HEPP

The Buski D12-2 HEPP was installed by Buski A.S. on their drinking water system feeding the city of Bursa in Turkey. The turbine-generator unit acts as a power recovery break pressure device within the drinking water system at the entrance to a large storage tank. Rather than using energy dissipating valves to reduce the water pressure to the required value Buski A.S. decided to install a turbine-generator unit to recover the power available in the water at the entrance to the water storage tank Gilkes  Elektromekanik Sanayi Ve Ticaret A.S.

The contract for the supply of the M&E equipment was awarded to Gilkes Elektromekanik San. Ve Tic. A.S., a joint venture company between Gilkes in the UK and Marbeyaz Makina Sanayi A.S. in Turkey.

Formed as Joint Venture Company between Gilbert Gilkes & Gordon Ltd (Gilkes UK) and Marbeyaz Makina Sanayi A.S.

  • Focus is on supplying full electro-mechanical packages in Turkey and neighbouring countries
  • Goal is to manufacture and procure all equipment in Turkey
  • All Sales & marketing carried out in Turkey
  • Gilkes UK Role – Tendering, design, supervision of assembly, installation, commissioning, start up and testing
  • Marbeyaz Role – All manufacturing and procurement within Turkey. Logistics and sitework
  • Holder of TSE Certification for local manufacture to obtain FIT incentive
  • Currently developing a new range of standard compact turbines for water municipality projects


Turbine type: Francis

Power (kW): 690 kW

Net Head: 70 m

Flow: 1.1 m3/s

Runner Dia: 475 mm

Speed: 1000 rpm


Gilkes horizontal Francis Turbine model 475G150

Penstock connection pipe Turbine main inlet valve (MIV)

MIV automatic pressure equalising bypass

Synchronous generator 6300V, 760 KVA, 0.9 PF

Hydraulic pressure unit (HPU) for turbine, MIV, MIV bypass and generator brake

Turbine energy dissipating bypass valve Pipework system emergency relief valve

Control and SCADA system Electrical balance of plant Delivery to the project site Installation, commissioning and testing


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