Ring Spacer


Ring Spacer is made from a metal ring in a different type of material, with a welded handle (in a different form). The Spacer function is to allow the passage of the fluid (or gas) in the line through flanges. 

Ring Spacers are usually raised face (RF), flat face (FF) or ring joint (RTJ) type and are mainly defined by ASME standards.

The Ring Spacer is inserted between two flanges (with a Gasket on each side).

La Meccanica Padana manufactures Ring Spacers from 1/2" to 60" in different types of materials as follow:

  • Carbon steel (ASTM 105, A516 Gr. 60/65/70, A350 LF2, A694 F60-65)
  • Stainless steel (AISI 304, 316, 321, 347)
  • Alloy steel (AISI Gr.1, Gr.5, Gr.9, Gr.91, Gr.11, Gr.22)
  • Nickel alloys
  • Duplex/Super duplex (F51, F53, F55, F44)
  • Incoloy (800, 800H, 800 HT, 825), Alloy 20
  • Hastelloy (C22, C276)
  • Cupronickel Cu-Ni
  • Monel 400
  • Inconel (600, 625)
  • Titanium (Gr. 1, 2, 3)

We can manufacture Ring Spacer RTJ, RF and FF (Class 150/300/600/900/1500/2500) in according to major dimensional standards such as: B16.47 A-B, B16.48, ARAMCO, SHELL, PETROBRAS, FOSTER WHEELER, API 590, API 5000/10000 and many others.


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