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Technical Information
Cooling Water
To connect cooling water HS-16/20:
1
Connect the cold cap cooling coil and all body and foreline cooling in series
except the Quick Cool coil (see the following paragraph) as shown in Figure 11.
Refer to Table 4 for the cooling water flowrate for your pump type. Higher flows
will not harm the pump.
2
If the diffusion pump is being cooled by a recirculating water system, ensure
the system is capable of:
Parallel connections should be employed when the water pressure is low or if the
discharge temperature routinely exceeds 130 °F.
Figure 11 HS-16/20 Cooling Water Connections
High Throughput Diffusion Pumps User Manual
Adequate cooling and heat exchange to ensure a continuous inlet
temperature of 60 to 80 °F (16 to 27 °C).
Maintaining an adequate flow rate to ensure the exit water temperature
does not exceed 130 °F (54 °C).
37
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