Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!

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Risk, Reliability and Safety

Risk, Reliability and Safety in Process Control Systems

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CE Marking

Verifies that a product is designed to the appropriate standards according the European Machine Directive.

Dust Explosions - Critical Temperatures and Concentrations

Critical temperatures and concentration parameters for substances like coal, zinc, uranium and more.

Electrical Enclosure Types by NEMA

Description of NEMA electrical enclosures types.

Fire-Stop Ratings

F-rated, T-rated and L-rated fire-stop systems.

Firefighting Water - Required Volume Flow

Required water for firefighting.

Flash Points

The flash point of a chemical indicates how easy it may ignite and burn.

Flash Points - Liquids

The flash points for some common liquids and fuels.

Gases - Dangerous Concentration Levels

Dangerous vs. tolerable concentration levels for some industrial gases.

Hazard Rating Systems vs. Chemicals

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

Hazardous Areas - European Classification Standard

European hazardous area classification with zones, protection types, temperature codes and codes.

Hazardous Areas - North America Classification

North American hazardous locations classification with classes, divisions and groups

Hazardous Areas - Protection Techniques according European IECEx

Hazardous areas protection techniques - explosion proof, flameproof and intrinsically safe.

Hazardous Areas Protection Techniques for North America

Dust-ignition proof, explosion proof, instrinsically safe and nonincendive protection of hazardous areas.

Hydrocarbons - Autoignition Temperatures and Flash Points

Autoignition temperatures and flash points (°C and °F) of different types of hydrocarbons with varying carbon numbers up to C12.

Intrinsically Safe Equipment - an Introduction

Equipment and wiring incapable of releasing sufficient electrical or thermal energy under normal or abnormal conditions to cause ignition of a specific hazardous atmospheric mixture in its most easily ignited concentration.

IP - Ingress Protection Ratings

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

NDT - Non Destructive Testing

Non-destructive construction testing.

Reliability of Machine Components

Mean Time Between Failure - MTB and reliability of machine components and systems.

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Safety Signals - Recommended Colors

American National Standards Institutes schedule for safety colors marking physical hazards.

Safety Valve Capacities in Low Pressure Steam Systems

Sizing safety valves after boiler output power in low pressure systems (kW and Btu/hr)

Steam Safety Valves - Installation Guide

Guidelines to safety steam valves installation.

Water Sprinkler - Protection Area vs. Classification

Maximum fire sprinkler protection area vs. classification and construction.

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SketchUp Extension - Online 3D modeling!

Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro . Add the Engineering ToolBox extension to your SketchUp from the Sketchup Extension Warehouse!

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