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Ductile Iron Modulating Float Valve

979GD (Globe) and 979AD (Angle) Series is designed to maintain a constant liquid level in a tank or reservoir by throttling open on a lowering liquid level and closed upon a rising liquid level.


  • Automatically maintains a constant liquid level in a tank or reservoir
  • Controlled by a remote mounted Modulating Float Pilot
  • Closing speed is adjustable
  • The modulating action of the valve can be “reversed” by inverting or “reversing” the action of the Modulating Float Pilot

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific 979GD

Approval Information

For approval information, please refer to the products specification sheet. For any other information on product certification and documentation information, please visit our certification partner websites: