Table of Contents
How does a PGV valve work?
With the PGV, when a surge pressure spike hits the closed valve, the solenoid plunger will open slightly to allow the spike to travel downstream and dissipate through the zone piping, minimizing any damage that could occur. The solenoid plunger then closes immediately, preventing unscheduled system operation.
What are the knobs for on sprinkler valves?
The flow control knob works very similar to a hose bib or gate valve as its main function is to either fully allow or restrict the amount of water passing through the valve.
What is the purpose of the drain check valve in a sprinkler?
Without check valves built into the body of the sprinkler, water leaks out of the lowest sprinkler in a zone. Check valves prevent this type of drainage from happening. Sprinkler head check valves also help to conserve the amount of water needed to fill the pipes each time the sprinklers begin running.
How do you adjust a hunter HCV check valve?
Adjustment Instructions Insert a large flat-blade screwdriver in the outlet side of the check valve and turn the plastic screw clockwise to increase the check height or counter clockwise to reduce the check height. Increasing check height increases opening pressure; decreasing check height decreases opening pressure.
How do you adjust a control valve?
Open a flow control valve by turning it in the counterclockwise direction. Use the recommended number of turns or fractional turn to open the valve for the desired pressure. Set the valve to the desired pressure by turning it to a specific setting, or by measuring with a pressure meter downstream.
How do I increase sprinkler pressure?
If you have a system with these sprinklers, try manually adjusting the heads to increase pressure….Adjust the pressure regulating dial on your control module.
- For a fixed spray system, aim for 20-30 psi per sprinkler.
- On a rotor/pop-up system, shoot for 30-60 psi.
- Irrigation and drip systems require 20-40 psi.
What is a hunter HCV check valve?
Hunter HCV check valves are designed with flexibility in mind. This adjustable check valve can hold back anywhere from 4′ to 32′ of head, making them the most versatile check valve on the market today. Features: Variety of inlet/outlet options: 1/2″ & 3/4″ female inlet/male outlet.
How do you adjust a hydraulic control valve?
Adjust the relief valve by turning the adjuster clockwise until the reading on the gauge builds to the pressure called for on the machine drawings. This is what is known as the valve “cracking” pressure, which is the pressure at which the relief valve starts to open.
How do I adjust the water flow on my Hunter valve?
MOV | WMV Learn how to adjust water flow directly at the valve using the Flow Control adjustment feature. You can increase or decrease the flow of water for optimal water use. This is a great water conservation feature available as a built-in option on many Hunter valves.
How do you adjust the pressure regulator on a hunter PGV?
Remove the solenoid from the Hunter PGV irrigation valve. (The 1″ valve with fl ow control is not designed for use with the Accu-Set.) 2. Thread the Accu-Set into the solenoid area of the PGV. 3. Thread the solenoid into the Accu-Set. Accu-Set Pressure Regulator Adjustment 1.
What does the flow control knob do on a hunter valve?
Basic Hunter Valve Operation Adjustment of Flow Control The flow control knob works very similar to a hose bib or gate valve as its main function is to either fully allow or restrict the amount of water passing through the valve. The main difference is that the flow control limits the diaphragm’s stroke, allowing less water to pass.
What is the Hunter quality in PGV valves?
The same HUNTER quality found in all of our remote control valves is also found in the PGV family. This Professional Grade Valve is a solid, heavy-duty performer designed to satisfy the requirements of the most demanding job sites.