PILZ Laboratory Heaters for PILZ Laboratory heating systems and accesories

Since 2007 Winkler AG has taken over the product line of laboratory heating mantles under the traditional PILZ® brand. The heating mantles have been completely revised by Winkler in line with the latest safety standards.

In order to prevent fault occurrence, e.g. dangerous contact voltages in the event of a liquid penetration into the heating appliance, all heating mantles are equipped with a residual current device (RCD) which is connected to the heating mantle via a multipole plug. Tradespeople are also responsible for the safety of sold products, so trust a traditional brand with more than 35 years of experience. Our portfolio includes suitable plug-in accessories and devices to support reliable and safe operation.

PILZ Laboratory Heater series WHG2 for round-bottom flasks

  • Tmax = 450 °C
  • Hand crocheted heating mantles made of glass silk
  • 1 or 2 heating zones
  • Power is selectable by slide switch, series/parallel slide switch, series/parallel rotary switch
  • Suitable for flasks  from 25 ml up to 20.000 ml
  • Detachable plug-in connection
  • RCD safety plug
  • Accessories: support rings or tripods

PILZ Laboratory Heater series WHG4R for round-bottom flasks

  • Tmax = 450 °C
  • Hand crocheted heating mantles made of glass silk
  • 4 heating zones
  • Power is selectable by heating zone switch
  • Suitable for  flasks  from 4.000 ml up to 20.000 ml
  • Detachable plug-in connection
  • RCD safety plug
  • Accessories: support rings or tripods

PILZ Laboratory Heater series WHG2H for round-bottom flasks

  • Tmax = 900 °C
  • Hand crocheted heating mantle made of silicate yarn
  • 2 heating zones
  • Power is selectable by Series/parallel rotary switch
  • Suitable for flasks from 250 ml up to 6.000 ml
  • Detachable plug-in connection
  • RCD safety plug
  • Accessories: support rings or tripods

PILZ Laboratory Heaters series WHLG2 + WHLG2ER for round-bottom flasks

  • Tmax = 450 °C
  • Plastic coated, robust metal housing with high chemical resistance
  • Hand crocheted heating unit made of glass silk
  • 1 or 2 heating zones
  • Integrated heating zone switch
  • model WHLG2 without power selector / model WHLG2ER with power selector
  • Suitable for flasks from 50 ml up to 3.000 ml
  • Detachable plug-in connection
  • RCD safety plug
  • Option for rod clamp STK 2

PILZ Laboratory Heater series WHLMG3ER for round-bottom flasks

  • Tmax = 450 °C
  • Plastic coated, robust metal housing with high chemical resistance
  • Hand crocheted heating unit made of glass silk
  • 3 heating zones
  • Integrated heating zone switch
  • With power selector
  • Suitable for flasks from 50 ml up to 3.000 ml
  • Variable-volume, metal-cased heating mantle for different flask sizes
  • Detachable plug-in connection
  • RCD safety plug
  • Option for rod clamp STK 2

PILZ-Laboratory Heater Series WHLSG2ER

  • Tmax = 450 °C
  • Plastic coated, robust metal housing with high chemical resistance
  • Hand crocheted heating unit made of glass silk
  • 2 heating zones
  • Integrated heating zone switch
  • With power selector
  • Suitable for flasks from 250 ml up to 2.000 ml
  • Corrosion-resistant heating shell with optimal thermal conductivity
  • Ideally suited for baths or catching leaking fluid due to vessel breakage
  • Detachable plug-in connection
  • RCD safety plug
  • Option for rod clamp STK 2

PILZ Laboratory Heater Series WHU2ER

  • Tmax = 450 °C
  • Plastic coated, robust metal housing with high chemical resistance
  • Hand crocheted heating unit made of glass silk
  • 2 heating zones
  • With power selector and heating zone switch
  • Suitable for flasks from 4.000 ml up to 20.000 ml
  • Detachable plug-in connection
  • RCD safety plug
  • Option for rod clamp STK 2

PILZ Laboratory Heaters Series WHRE4 + WHRE6

  • Tmax = 450 °C
  • Plastic coated, robust metal housing with high chemical resistance
  • stainless steel front and cover plate
  • Hand crocheted heating unit made of glass silk
  • 4 or 6 heating places
  • 1 heating zone per hating place
  • Power selector
  • Suitable for flasks from 100 ml up to 1.000 ml
  • Detachable plug-in connection
  • RCD safety plug
  • Rod clamp STK 2 per heating place (without rod)


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