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High Temperature Sealing Technology

Micava BIRKOSIT series of high temperature sealing products were developed in world-class labs. After several decades of practical applications of the products, BIRKOSIT have become appointed products of some large multinational companies such as Siemens and Alstom. BIRKOSIT meets the long operating in high temperature, it has only become thick and will not choke. BIRKOSIT can meet the maximize sealing requirements and can be simply cleaned on the later maintenance.

Applications:

Steam and gas turbines, power station, gasworks, water plants, refinery, smelting plant, ship yard, paint and rubber manufacturing, chemical plants, and so on. Suitable for sealing smooth, level surfaces (butt joints) which have high demands on temperature and pressure. In particular, sealing of metallic joints in steam and gas turbines, compressors, generators, expanders, pumps, housings and flange joints etc.

Product advantages:

  • Temperature resistant up to 950 against: hot steam and hot air, hot and cold water, fuel oils and lubricants, as well as crude oil and natural gas.
  • The products offer such a high level of adhesion on sealing surfaces and butt joints that we guarantee a hundred percent seal up to a pressure of 275 bar.
  • The pressure resistance for flanges without sealing rings is guaranteed up to 570 bar and for screw joints it is even guaranteed up to 670 bar.
  • The service life of the product is 10 years for use on machined sealing surfaces (butt joints). The prerequisite for this guarantee is that the product is used in accordance with the instructions and that the service intervals are observed in the product segment steam and gas turbines, as well as for the application areas named above.

Product series:

BIRKOSIT Dichtungskitt

BIRKOSIT Dichtungskitt is a single-component, paste sealant for industrial use wherever conditions of temperature combined with pressure on smooth, plane sealing surfaces (butt joints) make extreme demands on the quality of the sealing compound.

F basic

F basic is a high quality, single component sealing material in paste form. High temperature combined with pressure on smooth sealing surfaces (butt joints) make extreme demands on the quality of the sealing compound. F basic is suitable for sealing all surface sizes. The quality of the sealing surfaces is equivalent to machined or abraded surfaces with a finishing accuracy of Ra=0.8 μm to 1.2μm. Areas of damage of 0.2mm on sealing surfaces can be filled with F basic.

F 1000

F 1000 is a high quality, single component sealing material in paste form. High temperature combined with pressure on selective and shallow, trough-like corrosion or erosion damage (cavities) on housing butt joints make extremely high demands on the quality of the sealing compound. The use of this product means that costly, mechanical pretreatments are no longer required. F1000 is suitable for sealing all surface sizes. The quality of the sealing surfaces is equivalent to machined or abraded surfaces with a finishing accuracy of Ra=0.8 μm to 1.2μm. Selective and shallow, trough-like corrosion or erosion damage to these surfaces of 0.5mm is compensated with the product F1000.

F 2000

F 2000 is a high quality, single component sealing material in paste form. High temperature combined with pressure on selective and shallow, trough-like corrosion or erosion damage (cavities) on housing butt joints make extremely high demands on the quality of the sealing compound. The use of this product means that costly, mechanical pretreatments are no longer required. F2000 is suitable for sealing all surface sizes. The quality of the sealing surfaces is equivalent to machined or abraded surfaces with a finishing accuracy of Ra=0.8 μm to 1.2μm. Selective and shallow, trough-like corrosion or erosion damage to these surfaces of 1.0mm is compensated with the product F2000.

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