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BALINIT DLC STAR coating of gate valve seats reduces the danger of sticking of HVOF coated seats of subsea valves. This improves the functional reliability in deep sea water and under high pressures.

Subsea valves
Benefits:
  • Significant reduction of friction against HVOF-coated (WC-Co) sliders
  • Reduction of friction torque in water, gas and at high temperature
  • Excellent anti-galling and wear properties
  • Superior sealing performance
  • Stability during exposure in High Pressure High temperature conditions (HPHT)
Soluzione Materiale di rivestimento Tecnologia Coating Durezza rivestimento HIT [GPa] Coefficiente di attrito (asciutto) rispetto all'acciaio Temp. max. di servizio [°C] Temperature di processo [°C]
CrN / a-C:H PACVD ~15-25 0.1 - 0.2 300 < 250
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