Custom Valve Concepts

I/Q Valve



Regardless of pressure fluctuations, the Kates I/Q valve will control the flow rate proportional to the 4 - 20 mA input. Flow output is perfectly linear to signal input. By internally controlling the differential pressure across an adjustable orifice, flow control is maintained to within 1-1/2% of setpoint. Each valve is custom built to customer specifications and application requirements. The I/Q valve is shipped completely assembled and tested and requires no field calibration. It is provided with flow data for field personnel to tune their instruments to the I/Q output. The valve is flow tested at 33 different operating settings to ensure the accuracy of the system.

Materials of Construction:
All Metal Wetted Parts:

  • 316 Stainless Steel
  • Other Available Materials
  • Hastelloy, PVC
  • Alloy 20, Monel

Water injection for oil fields, Glycol / Water blending, Temperature control, NOX water injection, Blending systems, Aircraft de-icing, Natural gas, Filtration systems, Instrument purge systems, Pump seals, Hydrogen systems, Nitrogen blanketing, Automated hydraulic cylinder speed control, Stain blocker coatings of fabrics, and hundreds more.

  • Materials of Construction: 316 Stainless Steel
  • Seals: PTFE, Buna, Viton, others available
  • Flow Range: as low as 0.02 to 600 gpm
  • Maximum Pressure: 5000 psi  (2500# ANSI)
  • Maximum Temperature: 400° F (1500# ANSI) norm-spec. available
  • Accuracy: ± 1-1/2% of setpoint
  • Repeatability: ± 1/2% of setpoint
  • Response Time: Instantaneous
  • Turndown Ratio: 25 to 1 (average)
  • Connections: FNPT or ANSI Flanged, other available
  • Operator: Either Nema IV or Nema VII Enclosures Standard
  • NOTE: Specials are available. Contact factory for details

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