• Dutco Tennant LLC, PO Box 233, Dubai, U.A.E.
Modulating Float Valve - Cast Iron Plumbing Products

Description

Modulating float valve - cast iron is suited for making a balance among the outflow and inflow demand into the reservoir for maintaining the level at the maximum designated. The drip-tight at the maximum level gets closed by the valve and modulates for maintaining the level at the tank. The pilot of the float gets installed remotely at the high level inside the tank’s reservoir. In the field, the connections of the pilot with the main valve are connected. When the reservoir level drops the main valve gets proportionally opened for increasing the rate of filling. The movement of the main stem alters the size of the closing restriction which interrupts the valve’s hunting tendency.

The modulating float valve-cast iron can maintain a constant relative level inside the reservoirs and storage tanks by allowing the flow inside the tank in direct proportion to the flow out of the tank. They are operated hydraulically, diaphragm valve, pilot controlled. The float-operated rotary disc type pilot control is installed at the high level of liquid inside the reservoir and is connected with the help of a pipe or tube in the main valve. With the change of the liquid level, the float control opens proportionally or closes down the main valve by keeping the level of liquid almost constant. When the option of check feature gets added and reversal of pressure happens, the downstream pressure is admitted into the main cover of the valve chamber and the valve closes for preventing the return flow.

Dutco Tennant LLC gets you the most advanced range of modulating float valve - cast iron in the region which are manufactured using the most advanced technologies from the biggest brands.

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  • 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
Operating Pressure Threaded = 400psi (27.6 bar) 150 Flanged = 250psi (17.2 bar) 300 Flanged = 400psi (27.6 bar)
Operating Temperature Buna-N: 160°F (71°C) Maximum EPDM: 300°F (140°C) Maximum Viton®: 250°F (121°C) Maximum Epoxy Coating**: 140°F (60°F) Maximum