O-ring seal / spiral / metal / plate heat exchanger


  • Type:

    O-ring, spiral

  • Material:


  • Application:

    plate heat exchanger, rod


These gaskets are used in shell and tube type heat exchangers. They can be manufactured in different sizes, shapes, with or without bars. The primary seal is at the inner diameter of the gasket, the external gasket diameter acts as a secondary seal. The bars seal between the heat exchangers passages.

The DONIT TESNIT® heat exchanger gaskets are produced in several types to meet the most demanding applications. These devices can be manufactured in metal or alloy with a thickness of 0.4 mm featuring a soft core inside a metallic jacket. The spiral wound gaskets of MS10, MS12, MS14, or MS16 type, and can be manufactured with one or more metal jacketed bars (profile MP 10) in different shape shown in drawing. Metal-jacketed bars are welded, and made of the same material as the spiral windings. The standard thicknesses are 3.2 mm, 4.5 mm and 6.5 mm.


Other DONIT TESNIT, d.o.o. products