Spirax Sarco APT14 - Page 25

IM-P612-04 ST Issue 12
25
4.6.1 Fail safe condition of motive supply.
When the APT14 is used to remove condensate from temperature controlled plant such
as heat exchangers, it is recommended that the motive supply to the APT is taken from a
point downstream of a fail safe high limit control valve, see Figure 15.
Fig. 15
APT motive
steam supply
Fail safe
high limit
valve
Temperature
control valve