Singer F-Type-4 Modulating Float Valve

Ideal for balancing the inflow and outflow demand into the reservoir

There are many different variations available to fit your specific needs. Please Contact Us for a free quote or consultation.

106 / 206-F-Type 4 Modulating Float Valve


  • Maintains relatively constant level
  • Automatic compensation for level draw-down
  • Standard integral damping reduces hunting
  • Drip-tight at high level shut-off
  • Low supply pressure options
  • Based on 106-PG and 206-PG main valves
  • Valve opens proportionately to increase fill rate


  • The valve shall be a Singer Valve model 106-F-Type 4 / 206-F-Type 4, size “_____”, ANSI Class 150 (ANSI 300, ANSI flanges drilled to ISO PN 10 / 16/ 25 or 40) pressure rating / flange standard, globe (angle), style valve. The Model R-400 Modulating Float Valve shall be utilized with a ten inch brass float rod and polypropylene float (connection between main valve and Model R-400 Modulating Float Valve by others). Assembly shall be according to Schematic A-0608D.
  • The valve allows flow into the reservoir in order to maintain the level at the designated maximum. The valve closes drip-tight at the maximum level. As the reservoir drops, the main valve opens proportionally (modulates) to increase the filling rate in an effort to maintain the maximum reservoir level.
  • Refer to Main Valve section, see page 11, 106-PG (or 206-PG) for detailed information pertaining to valve sizes and materials, selection criteria and specifications.
  • Refer to Pilot and Accessories section, see page 249, Model R-400 Modulating Float Pilot for detailed information pertaining to materials and specifications.


Download the 106 / 206-F-Type 4 Product Guide.

Download the 106 / 206-F-Type 4 Operations Guide.

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