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Thread: Belting

  1. #1
    Wenjun Meng Guest
    I am looking for the belting specifications of PN type, or I hope to understand the meaning of belting type "2PN 500", "3PN 400", and etc.
    Thanks so much

  2. #2
    N. Rocha, Portugal Guest

    Fenner Dunlop

    Look at: Handbook_Part_I_150202.pdf


    you will find a lot about PN belts.

  3. #3
    Ray Latchford Guest

    Belt designations

    Good Morning,

    Further to the links posted above, here is the text referred to in our Handbook:

    "The fabric designation indicates the material used in both warp and weft, e.g. PN signifies that the fabric has Polyester warp fibres and Nylon weft fibres.
    The ultimate strength of the belt in kilonewtons per metre width is shown along with the number of plies. PN1000/4 designates a belt with four plies of polyester warp, nylon weft fabric and an ultimate full-belt tensile strength of 1000kN/m. Alternatively the belt can be often described as 4 ply PN250 where the strength of the individual plies is shown."

    What is not said above is that EP and PN are the exact same:
    PN = polyester - nylon and
    EP = Ester - polyamide
    also, often the "ply" is left out of the catalogued description, ie the belt above could show as 4 PN250 (or sometimes as 4 EP250).

    You will need to confirm whether the descriptions that you have are kN/m or kN/m/ply, and in the two cases you show both are plausible.

    The "preferred" designation is kN/m - the "PN1000/4" as above, but the two schemes of belt description have persisted at least in Australia and S.E.Asia for 20+ years......

    best regards,
    Ray Latchford

  4. #4
    Paul Haywood Guest
    Dear Mr Wenjun

    Yes, this PN belt we believe is an EP fabric, which is the best composition for strength and low stretch.

    Is this for conveyor belts or elevator belts?

    Please specify the widths, lengths and application (material handled, tonnes per hour) etc.

    Best regards
    Paul Haywood
    Muller Beltex UK Ltd

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