Turgo
     runners

Manufactured from a single piece of forging or as a split welded version, our Turgo runners are characterised by high material toughness and finest grain structure. The high operation durability of runners allows our customers to lower turbine repair frequency while maintaining desired efficiency.
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Runners according to your design

Forged monoblock Turgo runners from CNC TVAR

Rotor is the heart of any turbine. It is a center where the fluid strikes and the tangential force of the impact causes the shaft of the turbine to rotate, producing torque. Close attention to design of blade angles at inlet and outlet is necessary, as these are major parameters affecting power production. This is why CNC TVAR manufactures all runners from a forged blocks consisting of premium alloys no matter the number of blades, size, or rotor design. We understand the need for the highest possible efficiency and make sure, it is not just on the paper. Thus, CNC TVAR provides a long-lasting, high-quality product.

EXPERIENCE

>100

runners delivered

HEAVY WEIGHT

50t

maximum disc weight

FLEXIBILITY

3.500mm

maximum runner diameter

Material procurement

Purchasing of stainless steel, titanium and aluminium from top European suppliers. Delivery time depending on specifications and size.

  • Forged disc - any size
  • Forged disc - 8-14 weeks from order
  • Forged disc cut from a bar - up to 1350 mm
  • Forged disc cut from a bar - 1 week from order
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Manual polishing

Grinding and polishing – thatʼs where the parts get their final touch. When it comes to the surface quality of complex shapes, we do not make any compromises.

  • Polishing based on CMM measurement report
  • Experienced employees polishing according to customer specific procedures
  • Several dimensional and quality controls through process
  • Compliance with all environmental standards thanks to the newest filtering technologies

Non-destructive testing

Completed products are checked using four non-destructive testing methods (NDT). Our inspectors are ISO 9712level II certified.

  • Visual Testing (VT)
  • Liquid Penetrant Testing (PT)
  • Magnetic Particle Testing (MT)
  • Ultrasonic Testing (UT)
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Balancing

The actual unbalance is displayed in one or two planes by graphical and numerical output. There is also a deviation from the allowed unbalance displayed and a suggestion for the most convenient weight correction.

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3D measurement

The measurement is performed on CMM or with a 7-axis high speed 3D arm with a laser scanner with extreme precision according to the highest international standards.

  • Measurement of drawing dimensions
  • Measurement of hydraulic profile
  • Part alignmenet based on RPS points
  • High data quality
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