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  • 代理品牌
    VALQUA
    SIMRIT
    GARLOCK
    MORISEI
    MERKEL
    GORE
    KLINGER
    TOMBO
      UNISTAT 6303

    1. Features

      UNISTAT is manufactured from graphite-filled PTFE yarn. The high level of graphite minimises the coefficient of expansion considerably ensuring UNISTAT is pressure resistant and a good heat conductor. Due to its chemical stability and high sealing &#118alue (k f < 10-20 m 2 ) UNISTAT is particularly suitable for applications in the chemical industry. Due to its low coefficient of expansion UNISTAT withstands extreme changes in temperature.
    UNISTAT materials are approved for use in the food processing industries by the MPA.
    The soluble chloride content is under 20 ppm. UNISTAT is therefore particularly suited for nuclear power station valves. To avoid gap extrusion at temperatures above 200 °C UNISTAT is used with end rings of GRAFIFLEX 6501-60.

    • high sealing effect
    • good thermal conduction
    • low leakage rates

    2. Application
    Plunger pumps, valves

    3. Operating Conditions

    Pressure:

    Plunger pumps: 800 bar*

       

    Valves: 250 bar

    Temperature:

    - 200 °C to +280 °C

    Speed:

    Plunger pumps: 2 m/s

    pH &#118alue:

    0-14


    * installation with end rings

    4. Media
    Steam, condensate, alkalis, solvents, almost all acids. Exceptions: highly concentrated nitric acid and oleum.
    Tested by the Federal Institute for Research and Material Testing, for use against gaseous oxygen up to 40 °C at a pressure of 65 bar and up to 200 °C at a pressure of 50 bar.


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