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PTFE coated O type ring double seam

Country/Region china
Company chinajcmf company
Categories Rubber Hose Production Line
Telephone 573-84647011
ICP License Issued by the Chinese Ministry
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    PTFE coated O type ring double seam

    Specifications:
    Inside diameter minimum 16mm, wire diameter minimum 2.65mm, maximum size no limit
    Use:
    Pumps and valves, reaction containers, mechanical seals, filters, pressure vessels, heat exchangers, boilers, piping flanges, gas compression
    Major advantages:
    1, drug resistance and strong universality, suitable for almost all the chemical medium under normal temperature, the erosion of PTFE only by few chemicals, the only listed chemical is not compatible with the material, such as metal, fluorine and alkali halide is not compatible with PTFE.
    In contact with PTFE, some high concentrations of chemicals can react with, at high temperature, PTFE will be 80% NaOH and KOH, metal hydrides such as boric acid (B2 H6), aluminum chloride, ammonia (NH3) and amino acids (NH2) and imino (R=NH) organic matter erosion. At temperatures as high as 250 DEG C, it is also subject to the chronic oxidation of 70% nitric acid.
    If used in these extreme conditions, the product must undergo special testing. In addition to the mentioned chemicals, RD30 usually exhibits chemical inertness to other chemicals.
    2, the temperature range of -60 degrees Celsius, ~260 degrees Celsius, can be used at a high temperature of 300 degrees Celsius for a short time
    3. Good compressive resistance. The presence of PTFE coating makes RD31 have good hardenability and brittleness resistance. At the same time, silicone rubber or fluorine rubber inner core makes RD31 maintain good elasticity at high temperature of 205 DEG C. The test results show that the RD31 sealing ring formed by the combination of the physical properties of silicone rubber or fluorine rubber and the chemical properties of PTFE has good compressive resistance as well as good rubber performance.
    4, anti friction due to PTFE PTFE very low friction coefficient (0.29), the varieties of O ring family force of friction to a minimum, to reduce equipment wear, increase the power and efficiency of the equipment is of great help and support.
    5, the highest pressure resistant resistant to 35Mpa, more than 5 Mpa recommend the use of pressure ring type pressure ring.
    6, excellent sealing durability, long service life, RD31 and any other rubber or pure PTFE system O ring compared to, have an incomparable sealing and long life, especially in harsh media.
    7. Moderate hardness. The average hardness of RD31 rings with different materials is:
    Solid silicone rubber: 75-85
    Solid fluorine rubber: 85-90
    Hollow silicone rubber: 70-75
    8, clean under normal temperature non-toxic, clean and high temperature resistance to become food, medicine, fine chemical, biological and industrial hygiene requirements in scientific research and production of necessary production equipment accessories.
    Quality PTFE coated O type ring double seam for sale
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