Pilot Operated Pressure Maintaining Valves

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

Pilot Operated Pressure Maintaining Valves
 

Component Descriptions

Part   Component Function
1 Pressure Gauge to monitor the downstream pressure of the reducing valve
2 Reducing Valve to close on falling pressure
3 Strainer to protect the reducing valve from detritus
4 Pressure Gauge to monitor the upstream pressure of the reducing valve
5 Isolating Valve to isolate the reducing station from the distibution header
6 Isolating Valve to isolate the reducing station from the distibution header
7 Pressure Gauge to monitor the upstream pressure of the reducing valve
8 Strainer to protect the reducing valve from detritus
9 Reducing Valve to close on falling pressure
10 Pressure Gauge to monitor the downstream pressure of the reducing valve
11 Isolating Valve to isolate the critical load from the distibution header
13 - 17 inc. Drain Pocket Steam Trap Set  
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Table of Parts

Part   Component Bronze Cast iron SG iron Steel Stainless steel Product details
1 Pressure Gauge 100 mm Diameter Pressure Gauge with 'U' or Ring Syphon Pressure Gauges & Temperature Gauges
5, 6, 11, 13, 17 Isolating Valve Bellows Sealed Stop Valve   BSA1 BSA2 BSA3   Bellows Sealed Stop Valves
Ball Valve       M20 M20 Ball Valves
2, 9 Surplussing Valve       SDP143   Pressure Reducing & Surplussing Valves
3, 8, 14 Strainer Fig 3 Fig 33 Fig 12, Fig 37, Fig 3716 Fig 34, Fig 1738 Fig 36, Fig 3616 Strainers & Filters
15 Ball Float Steam Trap with Monitor   IFT53 IFT57 IFT54   Steam Trap Performance Monitoring
16 Check Valve         DCV2, 3 or 4 Check Valves
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