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

Process Control 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 for 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.

Low Pressure Steam Safety Valves - Capacities

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

NDT - Non Destructive Testing

Non-destructive construction testing.

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Reliability of Machine Components

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

Safety Signals - Recommended Colors

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

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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Engineering ToolBox - SketchUp Extension - Online 3D modeling!

3D Engineering ToolBox Extension to SketchUp - add parametric components to your SketchUp model

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