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Equipment I

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Module: Piping and Auxiliaries / Piping and Auxiliaries Introduction

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Glossary

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bell reducer

A pipe fitting with one end larger than the other, which is used to transition between two different pipe diameters.

blank

A thin solid disc installed between flanges to isolate a run of pipe or piece of equipment.

blind

A thick solid disc used to stop the flow of liquid at the end of a pipe.

bushing

A pipe fitting used to join pipes of different diameters.

cap

A pipe fitting used to terminate a process flow by covering the end of the pipe.

corrosion

The oxidation of a material due to electrochemical reactions.

coupling

A pipe fitting designed to connect two pieces of pipe together.

elbow

A pipe fitting used to change the direction of the pipe run. Typcially 45° or 90° angles.

expansion joints

A piece of equipment designed to allow expansion and movement of piping.

expansion loops

Sections of piping designed for the expansion and contraction of piping during temperature change.

flanged connections

Plate-like fittings connected to a pipe to create a bolted connection. A flange can be as simple as two pieces of pipe connected with bolts, flanges, and a gasket.

flow orifice

A thin disc with a small opening that is installed between pipe flanges to restrict the flow of fluid.

galvanization

A process of coating a pipe with a thin layer of zinc to help prevent corrosion.

gasket

A seal placed in between flanged connections to prevent leaking.

nipple

A short section of pipe with two male threaded ends used to connect two other fittings.

pipe insulation

A material wrapped around piping to prevent process fluid heat from escaping to the atmosphere.

pipe supports

Structural devices designed to suspend piping in overhead locations and control the movement of pipe.

piping

A hollow cylinder typically constructed from metal or plastic.

plug

A pipe fitting used to terminate the end of a female pipe.

tee (T)

A pipe fitting used to join two flows of fluid together or split one flow into two.

trace

Wire or tubing, utilizing heated elements, that wraps around a piece of pipe to keep the process material from freezing.

union

A pipe fitting used to join piping and designed for quick and straightforward disconnections.

wye (Y)

A pipe fitting designed to join two pieces of pipe at a 45 degree angle.

flow direction valves

Valves that change the fluid flow path.

isolation valves

Valves designed to start or stop the flow of fluid.

throttle valves

Valves that are able to regulate or adjust the rate of flow through the valve.

valves

Piping devices designed to control and direct the flow of fluids.

check valve

A valve which allows flow in one direction, but not the other.

relief valve

A valve designed to protect a system from damage due to over pressurizing.

rupture disc

A large disc designed to fail by being 'blown out' if the system over pressurizes.

safety valve

A quick responding valve that is designed to react to excess gas or vapor pressure.

actuator

An automated device that controls the opening and closing of a valve.

control loop

A group of instruments which act together to control a process variable.

control valve

An automated actuator combined with a throttle valve body.

electric actuator

An actuator that uses electrical energy to operate and control the valve.

hydraulic actuator

An actuator that uses a liquid to drive the valve.

pneumatic actuator

An actuator that converts air pressure to mechanical energy to control the fluid flow through a valve.

position indicator

An actuator component used to provide feedback of the valve’s position.

positioner

An actuator component which compares the valve stem position to the signal from the controller and adjusts the valve stem to maintain a set point.

Learning Aids

Module :

Piping - Learning Aid

Piping - Learning Aid document Download

Piping - Material Designations

Chart of different piping materials with their designations. Download

Piping and Auxiliaries Flash Cards

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Valves I - Learning Aid

Valves I - Learning Aid document Download

Valves Part I Flash Cards

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Valves II - Learning Aid

Valves II - Learning Aid document Download

Valves Part 2 Flash Cards

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Actuators - Learning Aid

Actuators - Learning Aid document Download

Actuators Flash Cards

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Piping and Auxiliaries

Topics

1 . Piping and Auxiliaries Introduction
2 . Corrosion Basics
3 . Piping Materials - Metals
4 . Piping Materials - Plastic & Lined
5 . Corrosion Types Part 1 of 2
6 . Corrosion Types Part 2 of 2
7 . Pipe Fittings 1
8 . Pipe Fittings 2
9 . Piping Connections
10 . Gaskets
11 . Asbestos
12 . Other Piping Equipment
13 . Pipe Movement
14 . Pipe Insulation & Tracing

Equipment I

Topics

1 . Piping and Auxiliaries
2 . Valves Part I
3 . Valves Part 2
4 . Actuators