NIBCO 4733-4 Series CPVC and Brass Pipe Fitting, Union, Slip x NPT Male

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Manufacturer Description

The NIBCO 4733-4 union pipe fitting is made of chlorinated polyvinyl chloride (CPVC) and brass and has a slip connection and a male National Pipe Taper (NPT) threaded connection. This union fitting has three pieces and includes a threaded connection that can be screwed or unscrewed to connect or disconnect pipes more easily than couplings. It has a female slip opening on one end for sliding over a male unthreaded pipe and male NPT threads on the other end for connecting to a female threaded pipe. The slip end connects to pipes with a smooth bore for enhanced flow, and the NPT threads create a tighter seal than straight threads. This fitting is made of high performance chlorinated polyvinyl chloride (CPVC) (FlowGuard Gold) on one end for connecting to CPVC copper-tube-size (CTS) pipe, and brass on the other end for connecting to copper piping. CPVC has better ductility and withstands higher pressures and temperatures than PVC, making it suitable for both hot- and cold-water pressure distribution systems in residential and commercial applications. Brass is corrosion resistant and ductile at high temperatures, and it exhibits low magnetic permeability. This fitting provides superior flow to metal because of its smooth interior finish, which reduces friction and inhibits buildup of materials. This fitting meets American Society for Testing and Materials (ASTM) D2846 specifications for quality assurance.

Pipe fittings are components used for connecting, terminating, controlling flow, and changing the direction of piping in many different industries. When purchasing pipe fittings, consider the application, as this will affect material type, shape, size, and required durability. Fittings are available threaded or unthreaded, in many shapes, styles, sizes, and schedules (pipe wall thickness).

NIBCO manufactures flow-control products for construction, industrial, fire protection, and irrigation applications. The company, founded in 1904, is headquartered in Elkhart, IN, and meets International Organization for Standardization (ISO) 9001 standards for quality assurance.

Product Features

Union for connecting and disconnecting two pipes more easily than couplings Slip opening on one end and male NPT threads on the other for connecting to pipes with different ends CPVC for better resistance to high pressures and temperatures than PVC, and brass for corrosion resistance and ductility at high temperatures Smooth interior finish for reduced friction and material buildup Meets specifications ASTM D2846 for quality assurance

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