Blind Disc

Da.Ma.An. also produces the Blind Disc which consists of a round part, which can be made of different types of material, and a handle which is supplied in different shapes, according to the dimensional standard.



The Blind Disc is sandwiched between two flanges, which can be raised face, flat face or ring type and are often defined according to ASME standards, to block the fluid in the system. The Blind Disc can be used for line maintenance or production changeovers. Don't hesitate to get in touch for further information and to work out which blind disc is best suited to your needs with our experts.


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Variety of materials

We are metalworking specialists, located on Via Luigi Galvani 21/A in Settimo Milanese and we produce blind discs from 1/2" up to 60" in different types of materials with great professionalism. In particular, we can offer you a blind disc in:

  • Technical datasheet

    • 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 are involved in the production of RTJ, FF and RF blind discs (class 150/300/600/900/1500/2500) according to major dimensional standards such as: B16.47 A-B, B16.48, Aramco, Shell, Petrobras, Foster Wheeler, Api 590 and Api 5000/10000.

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