Spears Manufacturing produces thermoplastic fittings and valves for fluid, drain, waste, and vent systems. Fittings are available threaded or unthreaded, in many shapes, styles, sizes, and schedules (pipe wall thickness). When purchasing pipe fittings, consider the application, as this will affect material type, shape, size, and required durability. Pipe fittings are components used for connecting, terminating, controlling flow, and changing the direction of piping in many different industries. It is suitable for waste water systems in residential applications. Code) and NSF-dwv for quality assurance, and conforms with lead content requirements for “lead free” plumbing as defined by California and Vermont. This drain, waste, vent (DWV) adapter fitting complies with American Society for Testing and Materials International (ASTM) D2665 and ASTM D3311 for quality assurance, is National Sanitation Foundation International (NSF)/American National Standards Institute (ANSI) Standard 14 certified to the Uniform Plumbing Code (NSF – U.P. The spigot connexion fits into the end of a female unthreaded pipe for enhanced flow and the female National Pipe Taper (NPT) threaded end connects to male NPT-threaded pipes for a tighter seal than straight threads. This cleanout adapter fitting adds a cleanout port to an unthreaded pipe and comes with a plug to terminate the pipe and close the cleanout port, and it has an operating temperature range of 73 to 140 degrees F (23 to 60 C). PVC can be connected to other materials such as steel, copper, or cast iron using transition fittings. This fitting is made of PVC (polyvinyl chloride) for corrosion resistance, high strength, and less weight than fittings made from metal. It is suitable for waste water systems in residential applications.
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