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DIN 28124-3

2013 Edition, July 1, 2013

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Manhole closures - Part 3: For pressure, covered



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Product Details:

  • Revision: 2013 Edition, July 1, 2013
  • Published Date: July 2013
  • Status: Active, Most Current
  • Document Language: English
  • Published By: Deutsches Institut fur Normung E.V. (DIN)
  • Page Count: 16
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This standard applies to manhole closures1) ("closures", in the following) for pressure vessels made of alloyed and unalloyed steels and lined with stainless steel. The closures are built into pressure vessels that are mainly used in process engineering. Alternative designs or materials are to be agreed between purchaser and manufacturer.

The closures can be used under the operating conditions as specified in Table 1 (according to DIN 28036 and DIN EN 1092-1). Verification may be necessary depending on the design and in consideration of the operating conditions.

As a rule, manhole closures are designed on the basis of the process vessel-flange system (DIN 28030-1) used. Manholes of nominal size DN 500 (PN rating 10 and PN rating 16) and DN 600 (PN rating 10) can also be designed on the basis of the pipe-flange system (DIN EN 1092-1); this could lead to higher masses.

NOTE On principle, the individual components of closures in accordance with DIN 28124-2 and DIN 28124-3 can be combined (example: nozzles of 1.4541 steel according to DIN 28124-2 can be combined with a cover of material P265GH and a lining of 1.4541 steel as in DIN 28124-3).

1) See Explanatory notes, Annex A.