Piping Schematics (cont.)
3. Dual Port/Single Pilot (Pressure Reducing Regulator)
4. Dual Port/Single Pilot (Back Pressure Regulator)
5. Dual Port/Dual Pilot (Pressure Reducing Regulator)
NOTE: The dual port regulator offers redundant control with two separate control
loops. Ports #1 & #2 are piped identically.
6. Dual Port/Dual Pilot (Back Pressure Regulator)
8 | GE Oil & Gas
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1. Filter supply connected from inlet connection on regulator body to Type 30 Filter inlet.
2. Pilot supply from outlet connection on Type 30 Filter to Type 24 Restrictor inlet.
3. Type 24 Restrictor mounted to “Tee” connection.
3A. Type 24 Restrictor mounted to Inlet port of Series 20 Pilot.
4. Tee mounted to Inlet Port of Series 20 Pilot.
5. Loading Port of Series 20 Pilot connected to Loading connection on Spring Case (Port #1) of Flowgrid
Regulator.
6. From “Tee” to Spring Case (Port #2) of Flowgrid regulator.
7. Outlet port of Series 20 Pilot connected to Outlet connection of Flowgrid regulator.
8. Sense line connecting Sense port on Series 20 Pilot to downstream (PRV) or upstream (BPV) piping
9. Pilot cartridge in PRV mode (pressure reducing) BPV (back pressure/relief) mode.
NOTE: Dual port regulators in 1” - 8” sizes have been discontinued. Schematics for reference only.
