Griswold Controls

Model F-5516 - Irrigation High Limit Constant Flow Valves Brochure

Griswold Controls’ Irrigation High Limit Constant Flow Valves limit the flowrate (gallons per minute) to your exact need. Today a maintenance person can change the flow on an irrigation zone by easily adjusting the valve with the handle, increasing or decreasing that particular zone. This is a problem because the system is designed for a ...