Process Control
Instrumentation and process control systems, design and documentation
• Measurements & Instrumentation
Measurement and instrumentation principles
• Risk, Reliability and Safety
Risk, Reliability and Safety in Process Control Systems
• Documentation
Documentation of process control systems - Block Flow Diagrams (BFD), Process Flow Diagrams (PFD), Piping and Instrumentation Diagrams (P&ID) and more
• Control Valves
Control Valve terminology, bodies, trim, flow characteristics, Cv and Kv sizing, noise, actuators and positioners
Air - Humidity measured by the Dry and Wet Bulb Temperature
Relative humidity in moist air can estimated by measuring the dry and wet bulb temperature.
BFD - Block Flow Diagram
A Block Flow Diagram is a schematic illustration of a major process.
CE Marking
Verifies that a product is designed to the appropriate standards according the European Machine Directive.
Chemicals and Hazard Rating Systems
The National Fire Protection Association (NFPA) hazard system for chemical materials
Electric Circuit Diagram - Drawing Template
Online shareable electric circuit diagram.
Flow Coefficient - Cv - for Liquid, Steam and Gas - Formulas and Online Calculators
Flow coefficient and proper design of control valves - Imperial Units
Flow Coefficients - Cv vs. Flow Factor Kv
Comparing and convert between flow coefficient Cv and flow factor Kv.
Flowmeters and Turndown Ratio - Rangeability
Turndown ratio for flow measurement devices like orifices, venturi meters etc.
Gases - Control Valve Sizing Calculator
An online control valve - Cv - calculator for gases.
Hazardous Area Classification - European Standard
European hazardous area classification in zones, protection types, temperature codes and codes
Hazardous Area Classification - North America
North American hazardous locations classification in classes, divisions and groups
HVAC Diagram - Online Drawing Tool
Draw HVAC diagrams online with this Google Drive drawing tool.
IP - Ingress Protection Rating
IP - Ingress Protection rating is used to specify the environmental protection - or electrical enclosure - of electrical equipment.
ISA Codes for Process Instrumentation
ISA process instrumentation codes - and combinations
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
P&ID - Piping and Instrumentation Diagram
Schematic illustration of a functional relationship between piping, instrumentation and system components.
P&ID Diagram - Online Drawing Tool
Draw P&ID diagrams online in the browser with Google Docs.
PFD - Process Flow Diagram
The Process Flow Diagram (PFD) is a schematic illustration of a system.
PFD - Process Flow Diagram - Online Drawing Tool
Draw Process Flow Diagrams with this online Google Docs drawing application.
Pressure
Introduction to pressure - online pressure units converter.
Process Control and Common Terms
Common terms in the process control terminology
Process Controllers
Proportional, integrating and derivative process controllers
Signal Transmission - Standard Systems
Standard signals used for transmission from sensor to controller
Sizing and Selection Butterfly Valves
Selecting and sizing butterfly valves for water applications
Sizing and Selection of Control Valves
Size and select control valves to match process requirements
Steam Control Valves - Kv Calculation
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
Water Control Valves - Calculating Kv Values
Design of water process control valves and their Kv values
