2000 Hook-up Book - Spirax Sarco
2000 Hook-up Book - Spirax Sarco
2000 Hook-up Book - Spirax Sarco
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Figure II-12<br />
Typical Pressure Reducing Valve Station<br />
Steam<br />
S<strong>up</strong>ply<br />
Strainer<br />
Strainer<br />
Spira-tec<br />
Loss<br />
Detector<br />
Float &<br />
Thermostatic<br />
Steam Trap<br />
Figure II-13<br />
Parallel Operation of Pressure Reducing Valves<br />
Steam<br />
S<strong>up</strong>ply<br />
Moisture<br />
Separator<br />
Moisture<br />
Separator<br />
Strainer<br />
Strainer<br />
Strainer<br />
Spira-tec<br />
Loss<br />
Detector<br />
Float &<br />
Thermostatic<br />
Steam Trap<br />
Check<br />
Valve<br />
Check<br />
Valve<br />
Pilot Operated<br />
Pressure Control Valve<br />
Pressure<br />
Sensing Line<br />
Pilot Operated<br />
Pressure Control Valve<br />
Pressure<br />
Sensing Line<br />
Pilot Operated<br />
Pressure Control Valve<br />
Safety<br />
Valve<br />
Select inlet piping for reasonable<br />
velocity and expand downstream<br />
for equal flow rate.<br />
Safety<br />
Valve<br />
Drip<br />
Pan<br />
Elbow<br />
Reduced<br />
Steam<br />
Pressure<br />
Drip<br />
Pan<br />
Elbow<br />
Reduced<br />
Steam<br />
Pressure<br />
Set lead valve 2 psi above desired<br />
set pressure and set lag valve 2 psi<br />
below desired set pressure.<br />
89<br />
HOOK-UP DIAGRAMS