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The Definitive Guide to valves and fittings

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Underground piping techniques for landscaping drainage or the disposal of stormwater or groundwater also use lower-stress gravity circulation, so fittings for these methods resemble bigger-scale DWV fittings. A threaded pipe includes a screw thread at 1 or both finishes for assembly. Metal pipe is frequently joined with threaded connections; tapered http://valves-and-fittings78990.bloggosite.com/82589/what-does-valves-and-fittings-mean

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