PVC Fittings: Names & Uses - Comprehensive Guide

PVC fittings, essential components in plumbing and piping systems, come in a variety of shapes and sizes, each serving a unique purpose. Understanding the names and functions of these fittings is crucial for anyone involved in the installation, maintenance, or repair of PVC piping. This article aims to provide a comprehensive guide to PVC fittings names and their applications.

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Understanding PVC Fittings

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PVC (Polyvinyl Chloride) fittings are designed to connect, direct, or control the flow of fluids in piping systems. They are widely used due to PVC's durability, resistance to corrosion, and low cost. PVC fittings are typically classified based on their function, which can be broadly categorized into three groups: fittings for changing direction, fittings for changing size, and fittings for controlling flow.

Fittings for Changing Direction

PVC Pipe Fittings Chart: Complete Guide to Sizes, Types & Uses

These fittings are used to alter the direction of the pipe, allowing for flexible and efficient routing of piping systems. Some of the most common fittings in this category include:

Elbows: Available in 90-degree and 45-degree angles, elbows are used to change the direction of the pipe by 90 degrees or 45 degrees respectively.
Tees: Tees have three outlets, allowing for the connection of three pipes at a single point. They are used for branch connections.
Crosses: Similar to tees, crosses have four outlets, enabling the connection of four pipes at a single point.

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Fittings for Changing Size

These fittings are used to connect pipes of different sizes, allowing for the creation of complex piping systems. Some common fittings in this category are:

Reducers: Reducers are used to connect pipes of different sizes. They can be concentric (same center) or eccentric (different centers).
Bushings: Bushings are similar to reducers but have a longer, cylindrical shape. They are used to connect pipes of different sizes and to provide additional support to the pipe.

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Fittings for Controlling Flow

These fittings are used to control the flow of fluid in the piping system. Some common fittings in this category include:

Caps: Caps are used to seal the end of a pipe, preventing the flow of fluid.
Plugs: Plugs are similar to caps but have a longer, cylindrical shape. They are used to temporarily block the flow of fluid in a pipe.
Couplings: Couplings are used to connect two pipes of the same size end to end.

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Specialty PVC Fittings

In addition to the standard fittings, there are several specialty fittings designed for specific applications. These include:

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PVC Plumbing, Sanitary Fittings, Piping Philippines

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various types of plastic pipes and fittings for different types of pipe sizes, shapes and colors

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Unions: Unions allow for the easy disconnection and reconnection of pipes without the use of tools.
Valves: Valves are used to control the flow of fluid in a pipe. They can be manual (hand-operated) or automatic (operated by a signal).
Check Valves: Check valves allow fluid to flow in only one direction, preventing backflow.

Understanding the names and functions of PVC fittings is essential for anyone working with PVC piping. This guide provides a comprehensive overview of the most common PVC fittings, but it is not exhaustive. Always consult the manufacturer's instructions for specific fittings and applications.