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Ductile Iron Rate-of-Flow Control Valve with Hydraulic Check Feature

LF950GD-01 (Globe) and LF950AD-01 (Angle) Series is designed to automatically limit flow rate to a constant, adjustable maximum by sensing differential pressure across a remote mounted orifice plate (field installed), and close drip-tight when downstream pressure becomes greater than upstream pressure. The Orifice Plate is factory calibrated based upon minimum, maximum, and continuous flow rate requirements.


  • Closing speed and rate-of-flow setpoint are adjustable
  • Automatically limits flow rate to a constant, adjustable maximum
  • Orifice Plate Assembly is remote mounted (field installed)
  • Hydraulic check feature prevents flow reversal

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Select options below to identify the UPC, Order Code, and Repair Kit for a specific LF950GD-01

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: