As a hydraulically operated sleeve-type valve, the 800 Series Control Valve is designed for versatility. The basic body can be equipped with several different options for controlling pressure and flow in piping systems ranging from drip irrigation to center pivot end guns. It’s also engineered for extremely high efficiency, resulting in low pressure loss and high flow capacity. NELSON, the quality name in control valves.
The MANUAL ON-OFF model of the 800 Series Control Valve is a hydraulically operated sleeve type valve with a manual control function.
The ELECTRIC ON-OFF model of the 800 Series Control Valve is a hydraulically operated sleeve type valve with an electric solenoid control.
Pressure control valves react or respond through a pressure control regulator.
The basic 800 Series Control Valve body can be equipped with several different control packages in various combinations for controlling pressure and flow in large piping systems.
The Nelson 800 Series valve can be equipped with the Rate-Of-Flow (Model D18) control to regulate the flow rate passing through the valve.
How Nelson 800 Series Control Valves Work
800 Series Irrigation Valve Tour and Introduction
Understanding the 800 Series Irrigation Valve Label
Basic Tools for Servicing the Nelson 800 Series Valve
Changing a 3 Inch Nelson Irrigation Valve Sleeve
New Style 4 Inch Valve Sleeve
Changing a 6 inch Nelson Irrigation Valve Sleeve
Pressure Reducing Valve
Combination Reducing Sustaining Valve
Pressure Sustaining Valve
PDF Files
800 Series Selection Guide - [642KB]
CAD Drawings
800 Series 2" Valve - Threaded. CAD DWG - [172KB]
800 Series 2" Valve - Victaulic. CAD DWG - [174KB]
800 Series 2" Valve - Wafer. CAD DWG - [271KB]
800 Series 3" Valve - Threaded. CAD DWG - [150KB]
800 Series 3" Valve - Victaulic. CAD DWG - [179KB]
800 Series 3" Valve - Wafer. CAD DWG - [183KB]
800 Series 4" Valve - Wafer. CAD DWG - [300KB]
800 Series 4" Valve - Wafer with 4 X 6 Flange Adapters. CAD DWG - [381KB]
800 Series 6" Valve - Wafer. CAD DWG - [459KB]
800 Series 6" Valve - Wafer 6 X 8 Flange Adapters. CAD DWG - [430KB]
Hours
Mon-Fri | 8 am - 5 pm |
Sat | See Branch for Hours |
Sun | Closed |