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4250 gasket

  • Classification:Non-asbestos rubber fiber gasket
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  • Date of issue:2020-11-13
  • Product overview
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Product Name: 4150 Gasket

product description:

Non-asbestos gasket PN1500 is a non-asbestos material with excellent performance based on the introduction of foreign advanced production technology. It is specially made of aramid fiber, high temperature resistant synthetic mineral fiber, oil resistant rubber and other materials by roller pressing method. It has the properties of temperature resistance, pressure resistance, oil resistance, excellent air tightness, and compression resilience. It is completely OK after testing. Substitute an imported non-asbestos material. It is a 100% asbestos-free high-quality environmental protection material, which has been exported to many countries and regions in Europe, America and other countries.

Application medium: various gases, water, steam, chemical solvents and various oils, etc.

Can only a non-asbestos gasket replace the traditional ordinary asbestos rubber gasket?

Usually, it is difficult to find such non-asbestos gaskets, because general-purpose CAF not only has high temperature resistance and chemical resistance, etc., while rubber fiberboard CFS is mainly aramid butadiene rubber sheet with high oil resistance. Anti-corrosion requires the use of PTFE materials, and most high-temperature industries and mines use graphite materials.

Industry equipment: Products are widely used in power generation, metallurgy, shipbuilding, petrochemical and other industrial applications such as water, gas, oil and other media sealed pipeline flanges, valves, heat exchangers, pressure vessels, mechanical equipment and engines, compressors, internal combustion engines , Machinery, instrumentation, heating and other industrial equipment.

Classification of non-asbestos gaskets:

1. According to the production process of the material, the non-asbestos gasket can be divided into two types: the roll pressing process, namely the roll pressing board produced by the CAF (compressed asbestos rubber sheet) method and the copy board produced by the copy method (paper making method), both of which are It is a new type of environmentally friendly sealing product. Roller plate is generally used for pipe flange sealing, ZD-G1500 is a kind of roller plate. The copy board is mainly used for sealing parts of motor vehicles, such as engine gaskets, internal combustion engine cylinder gaskets, exhaust pipe gaskets, etc.

2. According to the physical performance level, it can be divided into three different levels: low pressure, medium pressure and high pressure, as well as special non-asbestos gaskets such as oil resistance, acid resistance, pressure resistance, high temperature resistance, refrigeration industry refrigerant plates, airtight plates, and marine sealing plates. On the basis of the above materials, it can be reinforced by metal wire, coated with graphite to increase temperature resistance, graphite-containing non-asbestos graphite board, etc. Other performance non-asbestos boards and various gaskets can also be customized according to the special needs of customers.

Why is CFS more brittle and easier to break than CAF?

CFS contains a low proportion of fibers and a high filler content, while the fiber content of CAF is usually 70-80% to maintain good tensile strength.

The product is a non-asbestos sealing material, which is mainly processed by punching, water cutting, plasma cutting and other methods.

Conventional colors: blue, green, other colors can be customized.

Specifications and dimensions: customized according to customer requirements.

Conventional thickness: 0.4-3.0mm, boards above 3.0mm can be bonded

What should be paid attention to when choosing CFS?

Choose a reliable and reputable manufacturer; temperature, pressure, medium, flange, bolt and nut conditions should be considered comprehensively.

Main performance parameters: see product model.

Inspection standard: The standard of the plate is the rolling method non-asbestos fiber gasket (JC/T2052-2011)


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