Orbit sprinkler valves are designed for automated irrigation systems and are controlled by a computerized timer box. Testing the valves inplace, during normal operation, can reduce rebuild costs, improve process operation, and focus maintenance efforts. Manual operation is also possible when it is necessary to test the valves after repairs have been made or for sprinkler maintenance checks. Offline and benchtesting procedures can be infrequent, inadequate and costly. There are many ways for control valves to degrade process performance.
Process systems has a full range of manual pneumatic control valves used for actuating cylinders, actuators and other control valves. This video shows the details of how a typical irrigation sprinkler control valve works, in an effort to help with investigation and troubleshooting of common home irrigation system problems. Ocv valves can be found in some capacity in nearly every country throughout the world. Operating instructions type 8694 positioner top control. Control autotrol 255 and autotrol performa series valves 268, 268fa. Chapter 4 describes digital valve controllers, analog positioners, boosters, and other control valve accessories. Chapter 5 is a comprehensive guide to selecting the best control valve for an. Manual operation can be utilized when there is no power to the actuator or during initial actuator setup and calibration. Smart positioner, air filter regulator, topwork manual hand wheel, stainless steel. Fisher handwheel operation understand how a handwheel works. This video will teach you the components and operation of an hunter irrigation valve. Manual valve the valve are actuated by hand wheel pneumatic valve the valve are actuated.
The control valve manipulates a flowing fluid, such as gas, steam, water, or chemical compounds to compensate for the load disturbance and keep the regulated process variable as close as possible to the desired set point. Video support library manually operating your rain bird valve. Manual operation is also possible when it is necessary to test the valves after. Water conditioning control system for autotrol 255 series. One simple thing you can do to extend the life of your. How does a manual handwheel work on a control valve. From water supply systems in the united states and canada, to fire protection systems in asia and oil refineries in. A valve which controls the flow rate or flow direction in a fluid system. View and download autotrol logix 740 operation manual online.
Mounting and operating instructions samson ag samson. Troubleshooting irrigation sprinkler valves youtube. A mechanical manual override device, using a rotary wheel, to stroke a valve or to limit its travel. Chapter 2 develops the vital topic of control valve performance. How to manually test an orbit sprinkler valve home. Ocv, part of the mat holding group, is a company that is a global leader in the control valve industry. The manual operating device is completely independent of the motor drive and can be operated at. In manual operating status the valve can be opened and closed manually via the keys. How to identify and troubleshoot control valve problems. A control valve is a valve used to control fluid flow by varying the size of the flow passage as directed by a signal from a controller. This enables the direct control of flow rate and the consequential control of process quantities. View and download autotrol 255460i installation, operation and maintenance manual online. Autotrol 255460i installation, operation and maintenance. Discover how control valves are used to maintain operating conditions such as flow, pressure, temperature, and liquid level.
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