Add auto valves to your water hook-up or pivot point for true remote control. Valves are controlled from your pivot panel via your cellphone. No more driving to the field or fields to switch valves. Save time. Besides basic ON-OFF operation, auto valves can also control pressure to a set point without the use of electronics. We stock and install 2 brands of valves: Nelson and X-Cad. Both brands come in 6″ and 8″ sizes, with the 6″ Nelson being the most popular. The 6″ Nelson valve can flow 1000GPM with 1 PSI of pressure loss through the valve. This means we can save you money by installing a 6″ valve into your 8″ pipeline.