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Main -> Heating units, refrigerating units -> Temperature controllers -> Cooling thermostats and condensers
Circulation Chillers WK Class, LAUDA

The high-performance circulation chillers of the WK Class are distinguished by their ease of use, reliability and compact design, which makes them highly mobile. The chillers are available in various designs with different options.

  • In contrast to cooling with tap water, chillers provide reproducible temperature at any time, are environmentally friendly and greatly conserve drinking water, thus drastically reducing operating costs
  • Freely selectable cooling temperature down to -30°C
  • Digital temperature setting and display, LED
  • Level and flow pressure display at WK 1200 and higher
  • Continuous and maintenance-free operation via seal-less immersion pump
  • Standard, adjustable bypass for pressure control (for the higher-performance units)
  • Space saving, modular construction provides a high degree of flexibility
  • Various options such as reinforced pump, low-pressure pump, RS 232/485 interface, extended temperature range or flow monitor available
Circulation chillers WK down to -0°C
TypeTemp. range
°C		Temp. accur. ±
K		Cooler power
kW		PumpBath vol.
l		Order No.
WK 3000 – 400,50,31P44 – 610 23 37117
WK 5000 – 400,5 0.5P18 – 1246 23 57132
WK 5020 – 400,5 0.6P28 – 1246 23 57140
WK 12000 – 400,5 1.2P316 – 2346 23 57133
WK 1200 W0 – 400,5 1.5P316 – 2346 23 57161
WK 14000 – 400,5 1.4P116 – 2346 23 57137
WK 1400 W0 – 400,5 1.7P116 – 2346 23 57162
WK 22000 – 401 2.2P316 – 2346 23 57134
WK 2200 W0 – 401 2.6P316 – 2346 23 57163
WK 24000 – 401 2.4P116 – 2346 23 57138
WK 2400 W0 – 401 2.8P116 – 2346 23 57164
WK 32000 – 401 3.5P332 – 4546 23 57235
WK 3200 W0 – 401 4P332 – 4546 23 57265
WK 46000 – 400,5 4.6P332 – 4546 23 57236
WK 4600 W0 – 400,5 5.3P332 – 4546 23 57258
WK 70000 – 400,5 7P332 – 4546 23 57245
WK 7000 W0 – 400,5 8.5P332 – 4546 23 57247
WK 100000 – 400,510P332 – 4546 23 57249
WK 10000 W0 – 400,513P332 – 4546 23 57251


Circulation chillers WKL down to -30°C
TypeTemp. range
°C		Temp. accur. ±
K		Cooler power
kW		PumpBath vol.
l		Order No.
(1)WKL 230-10 – 400,5 0.23P44 – 646 23 58116
WKL 600-25 – 401 0.65P18 – 1246 23 58141
WKL 603-20 – 401 0.52P58 – 1246 23 58142
WKL 900-20 – 401 0.95P18 – 1246 23 58159
WKL 903-15 – 401 0.8P58 – 1246 23 58160
WKL 1000-10 – 400,5 1P18 – 1210 23 38173
WKL 1200-10 – 400,5 1.2P316 – 2346 23 58153
WKL 1200 W-10 – 400,5 1.6P316 – 2346 23 58166
WKL 2200-10 – 401 2.2P316 – 2346 23 58154
WKL 2200 W-10 – 401 2.7P316 – 2346 23 58167
WKL 3200-10 – 401 3.5P332 – 4546 23 58255
WKL 3200 W-10 – 401 4.2P332 – 4546 23 58268
(2)WKL 4600-10 – 400,5 4.6P332 – 4546 23 58256
WKL 4600 W-10 – 400,5 5.3P332 – 4546 23 58257
WKL 7000-30 – 400,5 7P632 – 4546 23 58246
WKL 7000 W-30 – 400,5 8.5P632 – 4546 23 58248
WKL 10000-30 – 400,510P632 – 4546 23 58250
WKL 10000 W-30 – 400,513P632 – 4546 23 58252



P1 = flow rate 30 l/min, flow pressure 1.0 bar
P2 = flow rate 33 l/min, flow pressure 2.2 bar
P3 = flow rate 40 l/min, flow pressure 3.2 bar
P4 = flow rate 8 l/min, flow pressure 0.15 bar
P5 = flow rate 33 l/min, flow pressure 3.2 bar
P6 = flow rate 60 l/min, flow pressure 6.0 bar
W = water cooling