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106 / 206-RPS-L&H Surge Anticipating Relief Valve

Surge Anticipating Relief Valve 106 / 206-RPS-LandH
The 106-RPS-L&H and 206-RPS-L&H anticipating surge relief valves are based on the 106-PG or 206-PG main valve.

The valve is mounted in a tee, downstream of the pump check valve(s). It is designed to anticipate surges to avoid the severe water hammer often associated with power failure surges.

The RPS-L&H pilot system is comprised of two pilots, the 81-RP and the 82-PR. Both pilots sense pressure through a connection to the header pipe. The 81-RP high pressure pilot opens the valve to relieve excess pressure. The model 82-PR low pressure pilot opens quickly on below normal pressures prior to the return of a surge wave, initiating the opening of the main valve in anticipation of the high pressure wave’s arrival.

  • Protects against power failure surges or pressure waves caused by velocity changes
  • Quick opening relief
  • Easily adjustable pressure setting
  • No electrical services required

Download Spec Sheet
Operation Guide

Size and Flow:

  • Size: 106-RPS-L&H 1/2" to 36". 206-RPS-L&H 3" to 40".
  • Momentary Flow Rate: 106-RPS-L&H 470 to 124,700 GPM. 206-RPS-L&H 564 to 62,000 GPM.
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