The HYDRO Exploitation machine shop in Martigny constructs various mechanical parts for mechanical reconditioning or for spare parts. It is also required to supply any necessary parts for refitting during operations.


  • advice and analysis of options
  • calculated propositions
  • acquisition of materials
  • manufacture of parts
  • final inspection and delivery

Specific skills

HYDRO Exploitation staff have the advantage of a long experience of a variety of maintenance work and in particular knowledge of hydroelectric installation components. Furthermore, our mechanics, who have considerable experience in machining parts, guarantee and continually develop their specialised knowledge, which is increasingly rare in Switzerland.

Client benefits

Clients who choose this type of service benefit from the following advantages :

  • flexible and rapid intervention when there are problems
  • precision and rigour in the manufacture and installation of components
  • support and advice from HYDRO Exploitation engineering during particular projects

The machine stock consists of :

CNC Vertical lathes

CNC Gamberoni Ø 2’630 mm vertical lathe

CNC DOOSAN Ø 1’600 mm vertical lathe

CNC Milling machines

CNC MTE, 3’000 x 1’200 x 1’500 mm milling machine

CNC CORREA AXIA 70, 7000 x 1500 x 2500 mm milling machine

CNC Fehlmann Picomax 56 TOP milling machine

CNC Turning lathes

Masturn, banc 3 m cyclic engine lathe Ø max 820 mm

2 Masturn, cyclic lathe 2 m Ø max 820 mm

CNC slant bed lathe with C-axis milling function

Conventional Machines

Colchester Triumph VS2100 lathe

Emcomat 20 D engine lathe

Schaublin lathe 125

Pedersen VPU 930 knee-and-column milling machine

EMCO FB-450L milling machine

EMCO FB-4 milling machine

Caser/Lodifex radial drilling machine

2 drilling machines Fehlmann Picomax (P20-2010 / P20-2015)

Sermac column type drilling machine

CHEVALIER FSG-2040 AD III planing machine

Measuring and inspection appartus

2 FARO 3D measurement arms

Magnetic-particle inspection

Ultrasound inspection

Penetrant inspection

Rue de l’Industrie 10, 1951 Sion
HYDRO Exploitation SA
Rue de l’Industrie 10
CP 750 - CH-1951 Sion
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Contact us
HYDRO Exploitation SA
Rue de l’Industrie 10 CP 750 - CH-1951 Sion +41 (0)27 328 44 11
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