Pilot Operated Series Reducing Station (Flanged)

The drawing shows the correct way to install the reducing station and the role of each component.

Pilot Operated Series Reducing Station (Flanged)
 

Component Descriptions

Part   Component Function
1 Separator to protect the reducing valve from wet steam
2 - 6 inc. Separator Steam Trap Set  
7 Isolating Valve to isolate the first reducing station from the steam supply
8 Strainer to protect the reducing valve station from detritus
9 Pressure Gauge to monitor the upstream pressure
10 Reducing Valve to reduce the high pressure supply for the second reducing valve
11 Pressure Gauge to monitor the control pressure of the first reducing valve
12 - 16 inc. Drain Point Steam Trap Set  
17 Isolating Valve to set the pressure of the first reducing valve under no load conditions
18 Reducing Valve to reduce the medium pressure supply for low pressure use
19 Safety Valve to protect the downstream equipment from overpressure
20 Pressure Gauge to monitor the control pressure
21 Isolating Valve to set the pressure of the second reducing valve under no load conditions
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Table of Parts

Part   Component Bronze Cast iron SG iron Steel Stainless steel Product details
1 Separator   S3 S13 S5, S7 S6, S8 Separators & Insulation Jackets
2, 6, 7, 12, 16, 17, 21 Isolating Valve Bellows Sealed Stop Valve   BSA1 BSA2 BSA3   Bellows Sealed Stop Valves
Ball Valve       M20 M20 Ball Valves
3, 8, 13 Strainer Fig 3 Fig 33 Fig 12, Fig 37, Fig 3716 Fig 34, Fig 1738 Fig 36, Fig 3616 Strainers & Filters
4, 14 Ball Float Steam Trap with Monitor   IFT53 IFT57 IFT54   Steam Trap Performance Monitoring
5, 15 Check Valve         DCV2, 3 or 4 Check Valves
9, 11, 20 Pressure Gauge 100 mm Diameter Pressure Gauge with 'U' or Ring Syphon Pressure Gauges & Temperature Gauges
10, 18 Pressure Reducing Valve     DP27 DP143 DP163 Pressure Reducing & Surplussing Valves
19 Safety Valve   SV73 SV607 SV74, SV604 SVL606 Safety Valves
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