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S513-5 Watts

Dual Chamber Pump Control Valve with Mechanical Check

Series S513-5, S1513-5 Pump Control Valve is designed to minimize the surges associated with the starting and stopping of pumps. The valve opens at an adjustable rate upon pump start-up, and closes at an adjustable rate upon pump shut-off. When the valve is near closed a limit switch is tripped, turning the pump off. The pump starts and stops against a closed valve, and has provisions for manual operation in the event of power outages. The valve also incorporates a two-piece telescoping stem design, which acts as a mechanical check feature, that closes preventing reverse flow the moment flow ceases.


  • Lightweight stainless Steel construction offers superior corrosion resistance for longer life
  • Minimizes the surges associated with pump start and stop
  • Telescoping stem design acts as a mechanical check feature, that immediately prevents reverse flow when flow ceases.
  • Valve open and close rate is adjustable

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Approval Information

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