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2. Irrigation controller - Wikipedia

   en.wikipedia.org/wiki/Irrigation_controller

   Most automatic irrigation valves are diaphragm valves in which the water above the diaphragm must be discharged for the valve to open. In a hydraulic system, the controller and valves are connected via small plastic tubes approximately 4 mm (¼ in) in diameter. The controller opens the tube connected to the valve, allowing that valve to open ...

3. Rain sensor - Wikipedia

   en.wikipedia.org/wiki/Rain_sensor

   Rain sensors for irrigation systems are available in both wireless and hard-wired versions, most employing hygroscopic disks that swell in the presence of rain and shrink back down again as they dry out — an electrical switch is in turn depressed or released by the hygroscopic disk stack, and the rate of drying is typically adjusted by controlling the ventilation reaching the stack.

4. Pulse drip irrigation - Wikipedia

   en.wikipedia.org/wiki/Pulse_drip_irrigation

   Illustration of a pulse drip irrigation system. Magnets hold the valve closed while water comes in through the inlet and drip flow controller to charge the reservoir. When the building pressure finally overcomes the attractive force of the magnets the top set of magnets are forced upward to open the valve.

5. Orbit Irrigation Products - Wikipedia

   en.wikipedia.org/wiki/Orbit_Irrigation_Products

   Underground irrigation is provided by the WaterMaster product line that includes sprinkler timers, valves, accessories, tools and sprinkler heads. The DripMaster line is designed for delicate drip-water applications in areas with special needs (e.g., gardens , flower beds, container plants , trees and ground cover ).

6. Bermad - Wikipedia

   en.wikipedia.org/wiki/Bermad

   The company was founded in 1965 as a producer of irrigation systems, mainly those found in agriculture. Its product offering includes a variety of industries, including filtration systems, reservoir management, air valves, water meters and fire protection solutions.

7. Drip irrigation - Wikipedia

   en.wikipedia.org/wiki/Drip_irrigation

   Drip irrigation systems distribute water through a network of valves, pipes, tubing, and emitters. Depending on how well designed, installed, maintained, and operated it is, a drip irrigation system can be more efficient than other types of irrigation systems, such as surface irrigation or sprinkler irrigation.