Process Control

Instrumentation and process control systems - engineering and documentation

Control Valves

Control Valve terminology, bodies, trim, flow characteristics, Cv and Kv sizing, noise, actuators and positioners

Documentation

Documentation of process control systems - Block Flow Diagrams (BFD), Process Flow Diagrams (PFD), Piping and Instrumentation Diagrams (P&ID) and more

Fluid Flow Meters

Flow metering basics - Orifice, Venturi, Flow Nozzles, Pitot Tubes, Target, Variable Area, Positive Displacement, Turbine, Vortex, Electromagnetic, Ultrasonic Doppler, Ultrasonic Time-of-travel, Mass Coriolis, Mass Thermal, Weir V-notch, Flume Parshall and Sluice Gate flow meters and more

Risk, Reliability and Safety

Risk, Reliability and Safety in Process Control Systems

Temperature Measurement

Measurement of temperature - probes, sensors and transmitters

BFD - Block Flow Diagram

It is common to use the Block Flow Diagram - BFD - as a schematic illustration of the major process

CE Marking

The European Machine Directive

Chemicals and Hazard Rating Systems

The National Fire Protection Association (NFPA) hazard system for chemical materials

Control Valve Sizing Calculator - Gases

An online control valve - Cv - calculator for gases

Dust Explosions - Critical Temperatures and Concentrations

Critical temperatures and concentration parameters for some common substances as coal, zinc, uranium and more

Electric Circuit Diagram Template

Use Google Drive to make online shareable electric circuit diagrams

Flow Coefficient - Cv - Formulas for Liquids, Steam and Gases - Online Calculators

The flow coefficient - Cv - is important for proper design of control valves

Flow Coefficient Cv and Flow Factor Kv

Comparing flow coefficient Cv with flow factor Kv

Flowmeters and Turndown Ratio

An introduction to turndown ratio for flow measurement devices as orifices, venturi meter etc.

HVAC Diagram - Online Drawing

Draw HVAC diagrams - Online with the Google Drive drawing tool

Hazardous Areas Classification - Europe

European hazardous areas classifications in zones, protection types, temperature codes and codes

Hazardous Areas Classification - North America

North American hazardous locations classification in classes, divisions and groups

IP - Ingress Protection Ratings

IP - Ingress Protection rating is used to specify the environmental protection - electrical enclosure - of electrical equipment

ISA Instrumentation Codes in Process Control Systems

The ISA standards and symbols are important for the P&IDs and documents describing the process control system

ISA codes for Process Instrumentation

ISA instrumentation codes and combinations

Measuring Air Humidity

Measuring relative air humidity with dry and wet bulb temperatures

P&ID Diagram - Online Drawing

Draw P&ID diagrams - Online with Google Docs

P&ID - Piping and Instrumentation Diagram

A Piping and Instrumentation Diagram - P&ID, is a schematic illustration of functional relationship of piping, instrumentation and system equipment components

PFD - Process Flow Diagram

The Process Flow Diagram - PFD, a schematic illustration of the system

PFD - Process Flow Diagram - Online Drawing

Draw Process Flow Diagrams - Online with Google Docs

Pressure

Introduction to pressure - relationship psi and Pa- online pressure units converter

Process Control and Common Terms

Common terms in the process control terminology

Process Controllers

Basic process controllers with proportional, integrating and derivative functions

Sizing and Selection Control Valves

Select and size the control valve that most closely matches the process requirements

Sizing and Selection of Butterfly Valves

Selecting and sizing butterfly valves for water applications

Standard Systems used for Signal Transmission

From sensor to controller

Steam Control Valves - Calculating Kv Values

Design of steam control valves and their Kv values

Temperature Sensors - Comparing Types

Comparing advantages and disadvantages of thermocouples, RTDs and thermistors temperature sensors

Thermocouples

Thermocouples - types, principles and temperature ranges

Types of Fluid Flow Meters

An introduction to different types of fluid flowmeters - Orifices, Venturies, Nozzles, Rotameters, Pitot Tubes, Calorimetrics, Turbine, Vortex, Electromagnetic, Doppler, Ultrasonic, Thermal, Coriolis

Waste Water and Flow Capacity

In sewage piping and pumping systems the fluid flow rate must be kept within certain limits to avoid operating problems

Water Control Valves - Calculating Kv Values

Design of water process control valves and their Kv values

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