Modulating Float Valve
DN25-DN900
Model 129-01/629-01

MODEL
  • 129-01/629-01
  VALVE DESCRIPTION
  • Accurate and Repeatable Level Control
  • Proportional Flow
  • Reliable Hydraulic Operation
  • Drip-Tight Positive Shut-Off
  • Completely Automatic Operation

The Cla-Val Model 129-01/629-01 Float Valve maintains a relatively constant level in storage tanks and reservoirs by admitting flow into the tank in direct proportion to the flow out of the tank. It is a hydraulically operated, pilot controlled, diaphragm valve. The rotary disc type float operated pilot control is installed at the high liquid level in the reservoir and is connected via tubing or pipe to the main valve. As the liquid level changes, the float control proportionally opens or closes the main valve, keeping the liquid level nearly constant. If the check feature option "D" is added and a pressure reversal occurs, the downstream pressure is admitted into the main valve cover chamber and the valve closes to prevent return flow.

SIZE RANGE
  • DN25-DN900

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Data Sheet