FACTORY OF RINGS BLANKS
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Marking

Marking is carried out by impact method using stamps in accordance with the requirements of the order specification, as well as GOST 33259-2015 and other standards for flanges.

The marking contains the following mandatory information:

  • is a trademark of the manufacturing plant.
  • DN (nominal diameter). PN (nominal pressure).
  • product type
  • item drawing number
  • product serial number
  • steel grade products