WEL6
Air cooler - Product variants

Designation WEL6001A4
A001-D0
WEL6002A4
A001-D0
WEL6004A4
A001-D0
Type of heat exchanger ASME PED ASME PED ASME PED
Number of finned tubes 1 2 finned tubes switched
in parallel
2 finned tubes switched
in parallel and doubled length
Connections Flange 3/4", 600 lbs Flange 3/4", 600 lbs Flange 3/4", 600 lbs
Drain / vent connection Flange 1/2", 600 lbs 4) Flange 1/2", 600 lbs 4) Flange 1/2", 600 lbs 4)
Allowable pressure1) 44 bar
(638 PSI)
44 bar
(638 PSI)
44 bar
(638 PSI)
44 bar
(638 PSI)
44 bar
(638 PSI)
44 bar
(638 PSI)
Allowable temperature
process/barrier medium
side (tube side) 1)
-29 °C … +260 °C
(-20 °F … +500 °F)
-29 °C … +260 °C
(-20 °F … +500 °F)
-29 °C … +260 °C
(-20 °F … +500 °F)
Cooling capacity (kW)2) 1.5 2 3
Cooling capacity (kW)3) 0.9 1.4 1.8
Volume (liters) 0.7 1.1 1.5
Metal parts 316/316L 316/316L 316/316L


Other versions on request.

1) Design data, permissible working values depend on the actual conditions of service.
2) Guidelines with barrier/buffer fluid water 60 °C (140 °F) – ambient temperature 20 °C (68 °F);
moved air at min. 0.7 m/s (2.3 ft/s); product flow rate 8 l/min.
3) Guidelines with barrier/buffer fluid oil 60 °C (140 °F) – ambient temperature 20 °C (68 °F);
moved air at min. 0.7 m/s (2.3 ft/s); product flow rate 8 l/min.
4) Version with screwed connection G1/2" available as an option.
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