Did you know: Dew point is the temperature to which air must be cooled to become saturated with water vapor.

Armstrong Model 566 Thermostatic Steam & Water Mixing ValveArmstrong Model 566 Thermostatic Steam & Water Mixing Valve

Thermostatic Steam and Water Mixing Valve           

Model 566

The 566 thermostatic mixing valve is of chrome-plated brass construction with a stainless steel alloy internal operating mechanism. The 566 uses bimetal thermostatic technology to automatically proportion inlet steam and water supplies to achieve and maintain a desired outlet temperature. The valve is equipped with an integral, site-adjustable maximum-temperature ( ∆T) fix point.

With flow rates up to 48 gpm* (181 lpm), the 566 is the economical alternative to hot water storage or central heat-exchange systems using existing plant steam to heat water instantly at the point of use. The 566 has 1-1/2" (40 mm) NPT inlets and a 1-1/2" (40 mm) NPT outlet. It is supplied with 1-1/2" (40 mm) ball valves for inlet flow control. Check valves are recommended.

IMPORTANT: For optimum performance, the 566 should be allowed to operate at full flow with nominally equal inlet supply pressures and should not be installed with either outlet flow control or an outlet restriction (spray nozzle, washdown hose, etc.)

WARNING: The 566 is designed for industrial process applications only and may pass live steam under certain circumstances.

*Based upon 60 psi (4 bar) equal inlet steam and water supplies with a 100˚ F (55˚ C) temperature rise.

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