PCC SOFTWARE

Software for creation of pipe classes and mechanical calculation of piping components. Read more ...

VES SOFTWARE

Software for the design and mechanical calculation of pressure vessels and heat exchangers. Read More ...

FLG SOFTWARE

The presentation shows the calculation of a standard piping flange in the VES application. Read more ...

PED Classification

This page provides a starting point when dealing with equipment or piping according the Pressure Equipment Directive. The first step is usually to determine the classification category of the equipment or piping. This classification defines the further requirements such as material certificates, design method and calculations, testing and documentation requirements.

PED classification procedure in short

  • Provide a tag (or equipment) number and optionally a name to identify the subject item
  • Indicate the type of equipment which will define one of the three table groups (1,2,3,4 or 5 or 6,7,8,9)
  • Only for the pressure accessory it is required to indicate the assessment background (volume or nominal size of pipe)
  • Select the fluid state and group, this will define the applicable table
  • Enter the maximum pressure, maximum temperature (is sometimes required for example generators), the volume (for equipment and accessories) or thenominal diameter DN (for piping and accessories)
  • The additional information is required to be selected where applicable to determine possible exceptions to the classification tables

 

Tag Number
Name
     
Type Equipment
Generator
Piping
Pressure Accessory
Safety Accessory
     
Assessment (for pressure access. only) Volume (V)
Nominal Size (DN)
 
     
Fluid State
Fluid Group (1 = hazardous, 2 = other)
     
Maximum Allowable Pressure (PS) bar
Maximum Allowable Temperature (TS) Celsius (generator, piping)
Maximum Volume (V) litres (equipment)
Nominal Size (DN) mm (piping)
     
Additional applicable information (Not a bottle, extinguisher or cooker)
Bottles for breathing equipment
Portable extinguisher
Pressure cooker
Unstable gas
   
     
Note: For study purposes only. Results should be optimized and approved by qualified engineer.
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   Applicable modules - B(prod)+D, B(prod)+F, G, H1

Piping Design

Advanced Piping Design book from Gulf Publishing Company for which Red-Bag provided the co-author.

Overview of Library

The Library section of the Red-Bag website contains information for the process industry. Read more ...

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