LFF113-19

LFF113-40-angle Product Image
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Single Chamber Well Pump Control Valve with Pressure Sustaining

Series LFF113-19, LFF1113-19 Pump Control Valve with Backpressure Feature is designed to minimize the surges associated with the starting and stopping of pumps, and automatically throttle toward closed when pump discharge pressure falls below an adjustable minimum, increasing backpressure against the pump. 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.

Features

  • Minimizes the surges associated with pump start and stop
  • Has provisions for manual operation in the event of a power outage
  • Body and cover are constructed of strong and durable ductile iron (ASTM A536)
  • Body and cover are constructed of strong and durable ductile iron (ASTM A536)

Literature

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Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:


ASSE CSA FM Approvals NSF
UL ULC USC WQA