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Product Consulting, Pressure Equipment Directive
  1. What is Pressure Equipment Directive?
    This Directive applies to the design, manufacture and conformity assessment of pressure equipment and assemblies with a maximum allowable pressure greater than 0.5 bar gauge including vessels, piping, safety accessories and pressure accessories. Not all pressure equipment is covered by this directive as The Transportable Pressure Equipment Directive and the Simple Pressure Vessels Directive both cover certain equipment and products which present a relatively low hazard from pressurization are covered by the Machinery Directive.

    The Directive defines a number of classifications for pressure equipment, based on their hazard level which is determined based on stored energy (pressure-volume product) and the nature of the contained fluid. Assessment and conformity procedures are different for each category, ranging from self-certification for the lowest (category I) hazard up to full ISO9001 quality management and/or notified body type examination for category IV equipment. Aspects of the design, production and testing of the equipment are the subject of a large number of harmonized standards to aid compliance with the essential requirements of the directive.

  2. Why certification for Pressure Equipment Directive ?

  3. What is the purpose of Pressure Equipment Directive?
    The purpose of the PED is to provide for a legal structure whereby pressure equipment can be manufactured and sold throughout the European community without having to go through a local approval regime in every member state. The means by which this is achieved is to ensure common standards of safety in all pressure equipment sold within the European Economic Area. Manufacturers are therefore able to meet the requirements for approval in any member state of the EU, and do not have to repeat the process when selling goods in any other state.

    In most cases, clearly, manufacturers will have their equipment approved in their home state. Manufacturers outside of the EU may also have approvals and test work undertaken at their own factory (and in many cases this is obligatory) but responsibility for compliance with the requirements of the directive will ultimately rest on the person responsible for placing the product on the EU market place.

  4. What is Notified Body for Pressure Equipment Directive?
    Notified Bodies are organizations designated by the national governments of the member states as being competent to make independent judgments about whether or not a product complies with the protection (essential safety) requirements laid down by each CE marking directive. In order to be notified, the management structure of the organization must fulfill certain conditions and the name of the body, along with the details of the scope of its notified activities, must be given ('notified') to the European Commission.

    These bodies are also the organizations which will be requested to give judgment on the safety of a product by the enforcement authorities in the EU and therefore will be responsible for judging which standards should have been applied to a product and if they have been applied correctly.

  5. Step to achieve Pressure Equipment Directive

  6. Which product can go for Pressure Equipment Directive ?
    Vessels, piping, safety accessories and pressure accessories are all included Typical examples of pressure equipment covered include:
    • Shell and water tube boilers
    • Heat exchanger
    • Plant vessels
    • Pressurized storage containers
    • Industrial pipe work
      As would be used in the chemical, petrochemical, biochemical, food processing and energy industries. However, gas cylinders (including cylinders for breathing air) and certain compressed air equipment, as would be used in any general engineering process, are also included.
    • safety valves
    • bursting disc safety devices,
    • buckling rods
    • controlled safety pressure relief systems
    • pressure switches
    • temperature switches
    • fluid level switches

  7. What are advantage of Pressure Equipment Directive ?

  8. Important links for Pressure Equipment Directive
  9. Downloads & images

  10. Please email us on customer.care@netpeckers.net for further details
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