46.008.111prop
Vending

Dispense valve, proportional, DN 8

2/2-way solenoid proportional valve of nominal diameter DN 8 for controlled liquid dispense. This valve is direct acting and normally closed (NC). This control valve is particularly suitable for demanding dosing tasks due to its good response characteristics.

Valves of this design are medium separated seat valves, where the plunger is separated by a diaphragm from the medium. The valve seat is made of scale build up inhibiting PTFE.

The valve is controlled by a PWM signal (pulse width modulation). The pulse duty factor of the PWM signal determines the coil current and therefore the opening behaviour of the valve. Thus, it can be continuously adjusted to a value between 0 and 100% of the maximum flow rate by altering the coil current.
Also, control by an adjustable current source is possible.

The valve is also available in other PSU housing variants on request and is distinguished primarily by its food grade and hot water capability.

Low-pressure Drain Valves 46.008 2/2-way direct acting NC (normally closed) 60 mbar
Technical inquiry Data sheet
Dispense valve, proportional, DN 8

Applications

  • Hot / cold drink dispensers
  • Dosing systems
  • Water treatment installations

Characteristics

  • Proportional valve, direct acting
  • internal plunger assembly medium separated
  • PTFE valve seat to inhibit scale build up
  • Long term performance capability
  • Suitable for food and hot water appliances
  • No minimal pressure required
  • complete drainage of valve outlet after shut off
  • other hydraulic connections on request
  • Easy to assemble and service
  • Coil change without opening of medium circuit, coil can be mounted 4 x 90°
  • High operating safety through the use of high quality materials and 100% final testing of the products
  • Approved variants according to NSF/ANSI standard 169

Technical data

  • Type Proportional valve
  • Construction single-chamber valve inlet ninety degree to outlet
  • Ways 2/2-way
  • mode of operation direct acting
  • Function NC (normally closed)
  • Fitting position with coil pointing upwards
  • Media Cold and heated potable water and physically and chemically similar media
  • T-Medium 5 - 98 °C
  • T-Ambient 5 - 70 °C (41 - 158 °F)
  • DN 8,0 mm (0.315 inch)
  • Pressure range 0 - 60 mbar
  • Nominal flow 4,0 l/min
  • Coil type MS 6
  • Coil Type MS 24 on request
  • Coil type MS 25 on request
  • Nominal voltage 24 V DC
  • Nominal voltages The compensation of the magnetic coil heating by internal current regulation is recommended.
  • Nominal voltage other voltages on request
  • Min. coil current 100 mA ms
  • Max. coil current 420 mA ms
  • Typical values of adjustment characteristics PWM control The characteristics of the control behavior also depend on the conditions of use.
  • Nominal frequency PWM 200 Hz
  • Hysteresis < 5 %
  • Repeatability 1,5 % of end value
  • Sensitivity 1,2 % of end value
  • Duty cycle DC 100%
  • Nominal power 18,5 W
  • Protection type IP 00 higher IP classes on request
  • Coil connections Flat Tabs 6,3 x 0,8 mm according to EN 60529 (IP 00)
  •   Other Connections on Request
  • Insulation class H according to EN 60730
  • Protection class I according to EN 60730
  •   (for incorporation in class I)

Materials

  • Valve body PSU
  • Valve seat PTFE
  • Plunger Guide Stainless steel
  • Plunger and spring stainless steel
  • Membrane VMQ
  •   FMQ (on request)
  • Sealings VMQ
  • Coil coating PBT, PET or epoxy resin
Technical inquiry
Technical inquiry

A. u. K. Müller GmbH & Co. KG

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D - 40595 Düsseldorf 

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Telefax: +49 211 73 91-281

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Unit 4, Brookside Business Park
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GB - West Sussex BN16 3LP

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E-Mail: valves(at)akmuller.co.uk

 

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