Valve type

Control Valves

Modulating valves used to control flow/pressure/temperature. Proper sizing and trim selection are critical.

Common specifications

ParameterTypical range / options
SizingCv-based selection
ActuationPneumatic/electric with positioners
TrimGlobe, cage, characterized
MaterialsService dependent
Key inputsFlow, ΔP, media, temperature
Always confirm selection against service conditions, standards, and supplier documentation.

Selection considerations

  • Capture flow rate and differential pressure for accurate sizing.
  • Confirm noise/cavitation/choked flow considerations as applicable.
  • Select trim and leakage class based on control requirements.
  • Verify actuation and fail position needs.

Typical applications

  • Process flow control loops
  • Pressure reducing stations
  • Temperature control in utilities
  • Where stable modulation is required

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