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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).
A relief valve DN25 on cooling water pipe from heat exchanger Schematic diagram of a conventional spring-loaded pressure relief valve. A relief valve or pressure relief valve (PRV) is a type of safety valve used to control or limit the pressure in a system; excessive pressure might otherwise build up and create a process upset, instrument or equipment failure, explosion, or fire.
The blue valve body is visible in-line with the pipe. The valve actuator opens or closes the butterfly disc of the valve based on electrical signals sent to the actuator. Another valve actuator is visible in the background, with windows to indicate the valve position. A valve actuator is the mechanism for opening and closing a valve. Manually ...
Star Fleet - Ships of the Star Fleet Technical Manual: Neale Davidson 2003 .pdf 36 8.5" x 11" Star Fleet - Starship Recognition Manual - Ships of the Baton Rouge Era: Neale Davidson 2005 .pdf 36 8.5" x 11" Star Fleet - Starship Recognition Manual - Volume One - Ships of Support 2268: Neale Davidson 2005 .pdf 36 8.5" x 11"