2000 Hook-up Book - Spirax Sarco
2000 Hook-up Book - Spirax Sarco
2000 Hook-up Book - Spirax Sarco
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HOOK-UP DIAGRAMS<br />
90<br />
Figure II-14<br />
Series Pressure Reducing Valve Station for High Turndown Rations<br />
Steam<br />
S<strong>up</strong>ply<br />
Moisture<br />
Separator<br />
Strainer Strainer<br />
Strainer<br />
Spira-tec<br />
Loss<br />
Detector<br />
Pilot Operated<br />
Pressure Control Valve<br />
Float &<br />
Thermostatic<br />
Steam Trap<br />
Pressure<br />
Sensing<br />
Line<br />
Strainer<br />
Figure II-15<br />
<strong>Hook</strong>-<strong>up</strong> for Remote Operation of 25 PRM Pressure Reducing Valve<br />
Steam<br />
S<strong>up</strong>ply<br />
Moisture<br />
Separator<br />
Strainer<br />
Strainer<br />
Float &<br />
Thermostatic<br />
Steam Trap<br />
Limit pilot to 15 ft. drop below main<br />
valve and drain all s<strong>up</strong>ply tubing. If<br />
pilot is mounted above main valve,<br />
pilot line drip traps can be eliminated.<br />
For longer distance an air loaded<br />
pilot should be used.<br />
1/2" Pipe<br />
Check<br />
Valve<br />
Check<br />
Valve<br />
Spira-tec<br />
Loss<br />
Detector<br />
Pressure<br />
Sensing<br />
Line<br />
Pilot Operated<br />
Pressure Control Valve<br />
Check<br />
Valve<br />
Float &<br />
Thermostatic<br />
Steam Trap<br />
Note: Intermediate pressure takeoff requires an additional safety valve.<br />
5/16" Copper<br />
Tubing or 1/4" Pipe<br />
Main<br />
Control Valve<br />
Remote<br />
Pressure<br />
Pilot<br />
Float &<br />
Thermostatic<br />
Steam Trap<br />
Check<br />
Valve<br />
Noise Diffuser<br />
(if required)<br />
Safety<br />
Valve<br />
Float &<br />
Thermostatic<br />
Steam Trap<br />
Check<br />
Valve<br />
Safety<br />
Valve<br />
Reduced<br />
Steam<br />
Pressure<br />
Drip<br />
Pan<br />
Elbow<br />
Reduced<br />
Steam<br />
Pressure<br />
Drip<br />
Pan<br />
Elbow