Back to basics: sprinkler piping materials: what to consider before specifying one of the three basic types of pipe: steel, copper tubing and plastic.Ballanco, Julius
ADDITIONAL PARTS AND MATERIALS S1—SPST switch L1—Loop, see text The 6 turns of copper wire can be wound on a rigid material, such as wood or plastic.Fig. 3. This detailed diagram of the loop shows the leads extending from the copper wire, as well as the makeshift Faraday shield....
1. Main Air Piping (between the compressors and the field control panels): Hard drawn copper tubing, ASTM B 88, Type L. 1. Branch Air Piping (to include main air between field control panels and field devices: Seamless copper tubing, Type K or L, ASTM B 88; with cast-bronze solder ...