Donit
DONIT
The most popular brand in Europe. The material is often both harder and denser, and special certifications and higher specifications are available for handling hazardous substances, as many materials have been assigned the safest grade "A" material category. The brand is produced by a Slovak company, which mainly offers non-standard products with high technical characteristics, and is one of the leading manufacturers of seals and sealing products in Europe. If a part of this brand is indicated in the technical specification of the device or a replacement is required, it can be ordered and purchased from the specialists of our company.
DONIT® TESNIT®
High quality fibrous sealing material composed of synthetic or mineral fibers, vulcanized rubber fillers and binders. Possesses various thermomechanical properties and chemical resistance, resistant to various loads even in the most difficult conditions. Among the wide range of gaskets in the DONIT® TESNIT® product line, you can find the material that perfectly suits your needs.
TESNIT® BA-202 - Suitable for low temperature and low pressure environments, especially in the plumbing industry. It has good mechanical and sealing properties.
Operating temperature: + 140 ° C (steam + 120 ° C), maximum temperature + 180 ° C.
Maximum pressure: 40 bar
TESNIT® BA-203 - Suitable for low temperature and low pressure environments, mainly in the shipbuilding industry. Possesses good thermal resistance.
Operating temperature: + 200 ° C (steam + 160 ° C), maximum temperature + 250 ° C.
Maximum pressure: 50 bar
TESNIT® BA-50 has good thermal and chemical resistance, making it suitable for a wide range of applications. TESNIT® BA-50 is well suited for the potable water supply and the shipbuilding industry.
Operating temperature: + 220 ° C (steam + 180 ° C), maximum temperature + 280 ° C.
Maximum pressure: 80 bar
TESNIT® BA-55 - specially designed for heating systems using steam or mineral oils, as well as for other media. Has very good thermal and chemical resistance of the material.
Operating temperature: + 270 ° C (steam + 230 ° C), maximum temperature + 350 ° C.
Maximum pressure: 100 bar
TESNIT® BA-U - combines very good thermal, chemical and mechanical properties, making it a versatile sealing material. It is widely used in gas and drinking water supply systems.
Operating temperature: + 250 ° C (steam + 200 ° C), maximum temperature + 350 ° C.
Maximum pressure: 100 bar
TESNIT® BA-CF - has excellent thermal and chemical resistance to strong alkalis. The material is suitable for use in high temperature, petrochemical, and cellulose and paper industries.
Operating temperature: + 300 ° C (steam + 280 ° C), maximum temperature + 400 ° C.
Maximum pressure: 120 bar
TESNIT® BA-GL - combines excellent thermal and chemical resistance with excellent mechanical properties, especially in joints where screws are used as a fixing element. This makes it particularly suitable for connections to gas and steam systems, heating systems, pumps and compressors.
Operating temperature: + 350 ° C (steam + 250 ° C), maximum temperature + 440 ° C.
Maximum pressure: 120 bar
TESNIT® BA-M - has excellent thermal resistance and mechanical properties, which allows it to be used in a very wide range of applications, especially in steam, heating and cooling systems.
Operating temperature: + 350 ° C (steam + 250 ° C), maximum temperature + 440 ° C.
Maximum pressure: 120 bar
TESNIT® BA-R- has very good mechanical properties (resistance to high internal and surface pressure). Designed for the automotive and engine industries.
Operating temperature: + 350 ° C, maximum temperature + 400 ° C
Maximum pressure: 140 bar
TESNIT® BA-REM - has excellent mechanical properties (resistance to high internal and surface pressures), making it suitable for very demanding steam supply systems and shipbuilding.
Operating temperature: + 370 ° C (steam + 250 ° C), maximum temperature + 460 ° C.
Maximum pressure: 150 bar
TESNIT® BA-R300 - excellent dynamic and thermal resistance. Designed for high temperature applications such as marine engines.
Operating temperature: + 450 ° C, maximum temperature + 550 ° C.
TESNIT® BA-R302 - excellent heat resistance as well as excellent mechanical properties. Designed for the toughest high temperature operating conditions, such as marine engines.
Operating temperature: + 600 ° C, maximum temperature + 650 ° C.
TESNIT® BA-SOFT is a material intended for sealing joints, where screw fixation is provided with a low load. Also used to compensate for uneven flange surfaces. In addition to improved mechanical and thermal properties, it has high compressive strength. The material is intended for mineral oils, fuels, lubricants, cooling systems, steam, air and many others.
Operating temperature: + 250 ° C (steam + 200 ° C), maximum temperature + 350 ° C.
Maximum pressure: 100 bar
DONIT® DONIFLEX®
Flexible sealing material made from graphite, aramid fibers, specially selected fillers and vulcanized rubber binders. This material, with excellent thermal properties and good chemical resistance to various media, is suitable for a wide range of applications.
DONIFLEX® G-LD is a composite material based on graphite and aramid, produced without the use of organic solvents. The material combines the chemical and thermal resistance of graphite with the strength of aramid. This material with a relatively low density has a high resistance to compression and stress. The material is very flexible, which makes it possible to compensate uneven flanges. The material has a wide range of applications, especially for steam, chemical and heating systems.
DONIFLEX® G-MD is a composite material based on graphite and aramid, produced without the use of organic solvents. The material combines the chemical and thermal resistance of graphite with the strength of aramid. This "medium-density" material has good stress resistance for narrow gaskets. Particularly suitable for steam and hot water supply, as well as for boilers and radiators.
DONIFLEX® G-EM is a composite material based on graphite and aramid, produced without the use of organic solvents. The material is reinforced with a layer of galvanized steel. Even surface pressure distribution on gasket provides excellent thermomechanical properties and very good sealing characteristics. Therefore material is particularly suitable for petrochemicals, high temperature applications, and valves.
DONIFLEX® C is a high density cellulose fiber material, manufactured by the beater addition process under ecological, solvent-free conditions. Excellent strength and very good sealing properties, especially suitable for oils, fuels, cooling systems and water supplies. The material is low-abrasive, which provides convenient cutting, which can significantly reduce production costs.
DONIT® GRAFILIT®
High-grade range of gasket sheets based on expanded graphite, available with different stainless-steel reinforcements. They are suitable for a wide range of applications especially at high operating temperatures, pressures and tightness rate.
GRAFILIT® SF is a graphite based material with excellent chemical and thermal resistance. Its high creep resistance and high compressibility make it suitable for highly demanding conditions in the chemical and petrochemical industries, gas supply.
Operating temperature: from - 200 ° С to + 550 ° С.
Maximum pressure:
- Gases - 30 bar
- Steam - 60 bar
- Liquids - 100 bar
GRAFILIT® SL is a graphite-based material with a stainless steel layer that increases the material's resistance to pressure. Possesses excellent chemical and thermal resistance. The high compressive strength of the material makes it suitable for very difficult conditions in the chemical and petrochemical industries.
Operating temperature: from - 200 ° С to + 550 ° С.
Maximum pressure:
- Gas - 60 bar
- Steam - 100 bar
- Liquids - 140 bar
GRAFILIT® SP is a graphite-based material with a stainless steel layer for improved surface loading. The material has excellent chemical, thermal and mechanical resistance. It is widely used in various industries such as gas and steam supply, chemical and petrochemical industries.
Operating temperature: from - 200 ° С to + 550 ° С.
Maximum pressure:
- Gas - 60 bar
- Steam - 130 bar
- Liquids - 160 bar
GRAFILIT® EM - Expanded graphite-based material with an expanded stainless steel layer that allows the material to be used in environments with high working pressures. The material is especially suitable for the petrochemical industry and steam supply at high temperatures.
Operating temperature: from - 200 ° С to + 550 ° С.
Maximum pressure:
- Gas - 80 bar
- Steam - 150 bar
- Liquids - 180 bar
GRAFILIT® IQ is a graphite-based composite material with adhesive properties that makes it suitable for use at high temperatures. The material has increased flange corrosion resistance. This material is highly resistant to surface loads.
Operating temperature: from - 200 ° С to + 550 ° С.
Maximum pressure: 200 bar
GRAFILIT® MultiForce is a high purity graphite foam seal sheet with multiple layers of stainless steel foil. The material has excellent chemical and thermal resistance as well as high compressive strength, making it suitable for very difficult conditions in chemical and petrochemical plants with hot and / or corrosive substances. Due to its properties, this material is an ideal solution for use in nuclear power plants.
Operating temperature: from - 200 ° С to + 550 ° С.
Maximum pressure: 250 bar
DONIT® MICALIT®
Philosilicate is a very high thermal resistance aluminosilicate material used in exhaust manifolds, burner flanges, gas turbine housings and turbocharger flange seals.
MICALIT® P contains a high percentage of phlogopite mica flakes, impregnated with a silicone binder and reinforced by a tanged stainless steel insert. It has excellent thermal, good chemical and mechanical properties, making it suitable for high temperature and pressure applications in the automotive and steel industry for exhaust systems, gas turbines, oil and gas burners, furnaces and ovens. It also offers good dielectric and low thermal conductivity properties.
Max. operating temperature: + 950 ° C.
Maximum pressure: 40 bar
MICALIT® F contains a high percentage of phlogopite mica flakes, impregnated with a silicone binder. It has excellent thermal and good chemical properties, making it suitable for high temperature applications in the automotive and steel industry for exhaust systems, gas turbines, oil and gas burners, furnaces and ovens. It also offers good dielectric and low thermal conductivity properties.
Maximum operating temperature: + 950 ° C.
Maximum pressure: 5 bar
DONIT® DONIFLON®
hHigh quality sealing material based on expanded PTFE and structurally improved fluoroplastic composites with various fillers. The materials have excellent chemical resistance so they can be used with a wide variety of chemicals.
DONIFLON® 900E is an ePTFE gasket sheet manufactured by hot-expansion of 100% virgin PTFE, with fibrilised isotropic structure. It has outstanding chemical resistance to various media, except molten alkali metals. Its excellent compressibility enables very good adaptability to pressure sensitive connections of ceramic, glass, plastic-lined pipes or uneven flanges. It is recommended for pharmaceutical and food industries.
Operating temperature: from - 200 ° С to + 260 ° С.
Maximum pressure: 200 bar
DONIFLON® 2010 is structurally enhanced PTFE gasket sheet filled with hollow glass microbeads. The material has excellent chemical resistance to a variety of chemical media, like DONIFLON® 900E, with the exception of hydrofluoric acid. This material has increased tensile strength compared to PTFE material. Its high compressive strength allows it to adapt very well to pressure-sensitive joints in ceramic, glass and plastic pipes or uneven flanges. The material is recommended for the pharmaceutical and food industries.
Operating temperature: from - 200 ° С to + 260 ° С.
Maximum pressure: 60 bar
DONIFLON® 2020 is an ePTFE gasket sheet filled with silicon dioxide. The material has excellent chemical resistance to various materials, as well as DONIFLON® 900E, it is recommended for inorganic acids in all concentrations, except for hydrofluoric acid. This material has increased tensile strength compared to plain PTFE material. The material is recommended for the pharmaceutical and food industries, as well as for LNG and cryogens.
Operating temperature: from - 200 ° С to + 260 ° С.
Maximum pressure: 80 bar
DONIFLON® 2030 is a ePTFE gasket sheet filled with barium sulfate. The material has excellent chemical resistance to various chemical environments, it is especially recommended for strong alkaline solutions at moderate temperatures and hydrofluoric acid (up to 48%). This material has increased tensile strength compared to plain PTFE material.
Operating temperature: from - 200 ° С to + 260 ° С.
Maximum pressure: 80 bar
