Ground source heat system filling valve Multifill DN25

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LK 521 MultiFill® is a combination valve for easy ­filling of refrigerant fluid into ground source heat systems. The valve has a filter to protect the evaporator against ­possible grit. Its compact construction allows it to be installed in tight spaces. The valve comes with an insulation to ­protect against condensation and possible icing. KVS 12,5m3/h.

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97,00 €

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LK 521 MultiFill® can also be used in other applications where filling and filtration are required.

  • Working temperature: Min. -20°C/Max. +80°C
  • Max. working pressure: 1.0 MPa (10 bar)
  • Thread standard: G - male thread
  • Material, valve body: Brass EN 12165 CW617N
  • Other data: Media 1: DN25, DN32: Water - Glycol mixture max. 50%
    DN50: Water - Glycol mixture max. 30%
    Media 2: Water - Ethanol mixture max. 50%
    (Working temperature: Max. +60° C)
    Mesh opening, filter Main valve DN25, DN32: 0,6 mm²
    Main valve DN50: 0,8 mm²
    Fillingvalve DN25, DN32: 0,7 mm²>
    Fillingvalve DN50: 0,8 mm²
    Material, filter element Main valve: Plastic, Stainless steel
    Filling valve. Stainless steel
    Material, insulation: Expanded Polystyrene EPS (DN25, DN32)
  • Material, sealing: EPDM