Model Tx Multiple Flow Tube PTFE Meters

Model Tx Multiple Flow Tube PTFE Meters

Model Tx Multiple Tube PTFE-Glass flow meters combine the convenience of multiple tube meters with the unique design features of single tube PTFE-Glass flow meters
  • rib-guided or flumodel P single flow tubBUILT-IN VALVES
    Meters are available with built-in needle valves (CVT™ ), high precision metering valves (HRT™) with “non-rising stems”, or with no valves. The higher cost of HRT™ valves is justified whenever high sensitivity control and resolution are desirable particularly in conjunction with metering tubes of very low flowrates.When meters with valves are ordered the valve cartridges are installed at the inlet. For vacuum service it is recommended that meters are ordered with valves at the outlet.

    SPECIFICATIONS
    STANDARD ACCURACY ±2% FS (mm scales – except 042 flow tubes); ±5% FS (direct reading scales and 042 flow tubes)
    CALIBRATED ACCURACY ±1% FS
    REPEATABILITY ±0.25% FS
    USEFUL FLOW RANGE 10:1 minimum with one float
    MAXIMUM OPERATING PRESSURE 100 psig (6.7 bars)
    MAXIMUM OPERATING TEMPERATURE 150°F (65°C)
    LEAK INTEGRITY individually pressure and leak tested and certified to a rating of 1×10-7 sccs helium
    MATERIALS OF CONSTRUCTION
    FLOW TUBES heavy walled borosilicate glass (glass or sapphire floats recommended)
    FITTINGS IN CONTACT WITH FLUIDS virgin PTFE and PCTFE
    SIDE PANELS aluminum, black anodized
    FRONT SHIELD 1/8 inch thick clear
    BACK PLATE 1/8 inch thick white acrylics
    O-RINGS PTFE
    CONNECTIONS 1/8 inch NPT female inlet and outlet connections; optional glass hose nipples or compression fittings are available

    e rotameter for low flow rate measurementted metering tubes facilitate stable and accurate readings

  • magnifier lens in front shield to enhance reading resolution
  • interchangeability of flowtubes and floats
  • ease of installation and exchange of flow tubes
  • “non-rotating” adapter feature – glass flow tubes are prevented from turning during the tightening phase of the assembly procedure
  • OPTIGRAD™ scales minimize parallax and eye fatigue
  • chemical compatibility
  • simple means of panel mounting

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