Nelson 800 Series Control Valve

As a hydraulically operated sleeve-type valve, the 800 series control valve is designed for versatility and durability.  The body can be equipped with several different options for controlling pressure and flow.  The valve is engineered for high flow and low pressure loss, with the ability to handle difficult water conditions.

Nelson 800 Series Control Valve


  • Rugged yet simple design with aluminum body, cast iron internal cage, and heavy rubber flow sleeve
  • Easily serviced and maintained
  • Slow to open and close, limiting water hammer on high flow rates
  • Manual on-off-auto valve on each model
  • Many mounting options – Flange, wafer, NPT, BST, Victaulic
  • Can be equipped with a pressure control to maintain upstream or downstream pressure
  • Can be equipped with rate-of-flow control to limit flow through the valve
  • Available in 2”, 3”, 4”, 6”, and 8” sizes
  • Flow capacities up to 6,000 GPM
  • Can be mounted directly to SR75 through SR200 Big Gun sprinklers

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