A. u. K. Müller GmbH & Co. KG

Model DN 10 - 2/2- Way Servo-Direct Stepper Motor Controlled Valve



The 2/2 way servo-direct motorized valve has a 10mm orifice, but a continuously variable stroke to accurately control the flow through the valve. It can function with low inlet pressures and flow rates, similar in nature to a direct acting valve without a complete shut of function. The stepper motor drive part of the valve is completely separated from the medium by means of special PTFE bellows. This valve has been specifically developed for applications that require continuous adjustment of the flow rate. For example the flow through an instant flash heater can easily be regulated for maximum accuracy and efficiency. Alternatively, by incorporating the motorized valve in thermostatically controlled heating systems, the flow rate into the system can be controlled according to ambient temperature in the room.

  • Thermostatically controlled heating system
  • Instant flash heater
  • Hot / cold drink dispensers
  • Industrial equipment
  • Air conditioning
  • agricultural implements
  • Cleaning systems
  • Temperature equalisers
  • Dish washers
  • Washing machines
  • Water treatment

  • Servo-direct controlled valve
  • stepper motor, medium separated by PTFE bellows
  • Long term performance capability
  • Medium temperature up to 80°C
  • continuous opertion
  • No water hammer
  • High operating safety through the use of high quality materials and 100% final testing of the products

  • Type stepper motorized valve
  • Construction  single chamber straight valve
  • Ways 2/2-way
  • mode of operation servo / direct controlled
  • Function continuously adjustable stroke
  • Fitting position any, preferably actor upwards
  • Media potable water and physically and chemically similar media
  • T-Medium 80 °C (176 °F) max.
  • T-Ambient 60 (140) °C (°F) max.
  • DN  10 mm
  • Pressure range  0 - 6 bar
  • Cv-value 20 l/min @ 1 bar (completely open)
  • Actuator Type stepper motor unipolar
  • Steps 150 max.
  • Nominal voltage of stepper motor 18 V DC
  • Voltage tolerance + -5%
  • Duty cycle  100%
  • Nominal power 6,0 W
  • Protection Type IP 65
  • Motor connection leads: 5 x 0,22^2 / AWG 24 (AWM Style 1007), plug: AMP Tyco MTA 100 3-644563-6
  • Insulation class B according to EN 60730
  • Controller Board on request

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