The European powerful online platform with manufacturers and suppliers of pressure equipments​

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Frequently Answers and Questions about the PED

What is the definition of the leakage rate?

The definition of the leakage rate is necessary to make requirements comparable. The term leakage refers to the unintentional escape of gases or liquids from enclosed vessels.There is no absolute tightness. It is therefore necessary to define a permissible leakage

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Is leakage of pressure equipment covered by PED?

Yes, whenever internal or external leakage of pressure equipment (i.e. leakage to atmosphere/environment) is a hazard due to pressure, it is covered by the essential safety requirements of PED. All hazards arising from pressure shall be assessed for the intended

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U-stamp and CE Marking

Are the ISO/TR 15608 Material groups comparable with the P-no groups ASME BPVC Section IX?

The ISO/TR 15608 Material groups are similar but not 1:1 comparable with the P-no groups acc. to ASME BPVC Section IX. The main difference between the two is that the ISO system allows any material within the scope of the reference standard to be assigned to a certain group, whereas the ASME system assigns a P-No. only to materials listed in the ASME BPVC Section IX or that have the same UNS number as listed materials. The two most commonly used grouping systems are provided by ISO/TR 15608 and ASME BPVC Section IX, QW-422. ISO/TR 15608 classifies materials in

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Pressure Equipment Manufacturer and Supplier Directory


Manufacturers & Suppliers
  • Link directly to your Website
  • Company type
  • Location
  • Brief description of your company
  • Products limits dia., length & weight
  • Main used mat'l groups ISO/TR 15608
  • Directory is supported by professional Engineers
1 entry for free

Simple registration in 3 steps:

  1. Registration only with name, e-mail, company name,
  2. Approval and sending login data by PED directory team
  3. The vendor sends the prepared form with the details for the vendor directory listing

for Manufacturer/Suppliers

Yes, one entry for a product category is free.

No, the contract period can be agreed for a fixed term without a subscription. The minimum contract period is 1 year.

Yes, a correct invoice will be issued.

After finding your interested manufacturer, you can contact him by clicking the Link on LOGO or Company Name