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Singer Valve - Model 106/206-RPS -Pressure Sustaining Valves
The 106-RPS and 206-RPS pressure sustaining valves are based on the model 106-PG or 206-PG main valve. The 81-RP pilot senses the upstream pressure through a connection to the valve inlet. The valve and pilot remain closed until the inlet pressure exceeds the pilot setting.
Under flowing conditions, the pilot reacts to small changes in pressure to control the valve position by modulating the pressure above the diaphragm. Should the upstream pressure fall below the set-point, the valve will close or modulate to ensure that the set-point is maintained.
- Ensures minimum upstream pressure for critical use
- Easily adjustable pressure setting
- Closes if inlet pressure drops below set-point
The 106-RPS or 206-RPS valve prevents high demand in the residential area from dropping the pressure available to the critical user.
Valve modulates to assure minimum upstream pressure and if need be, closes tight.
1. Main Valve - 106-PG or 206-PG
2. Isolation Valve - standard 4 in / 100 mm and larger
3. Strainer - standard 4 in / 100 mm and larger
4. Fixed Restriction- 1/8 in / 3.2 mm
5. Model 852-B Closing Speed Control
6. Model 81-RP pilot
- Specify for 5 to 50 psi / 0.35 to 3.5 bar, 10 to 80 psi / 0.70 to 5.5 bar, 20 to 200 psi / 1.3 to 13.8 bar, 100 to 300 psi / 6.9 to 20.7 bar.
7. Isolation Valve - standard 4 in / 100 mm and larger
8. Isolation Valve - standard all sizes
9. Opening Speed Control, optional
Standard materials for pilot system components are:
- ASTM B62 bronze or ASTM B16 brass
- AISI 303/316 stainless steel trim
- Buna-N / EPDM diaphragm and seals