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Sleeves pressure head in accordance with GOST 18698-79 buy in Minsk
Sleeves pressure head in accordance with GOST 18698-79
Sleeves pressure head in accordance with GOST 18698-79

Sleeves pressure head in accordance with GOST 18698-79

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Belarus, Minsk
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Description
  • pressure head
  • cotton framework
  • from - 35 ° C and to +175os
  • water, gasoline, gas, steam, foodstuff
  • rubber
  • Pressure head sleeves are applied to supply of liquids, saturated steam and bulks, they are reinforced by several layers of textile fabric and as a result possess essential margin of safety.

    Sleeves pressure head in accordance with GOST 18698-79, the rubber sleeves with a textile framework applied as flexible pipelines to giving under pressure of liquids, saturated steam, gases and bulks.

    consist of an inside rubber layer, several layers of a textile framework and an external rubber layer.

    Depending on appointment pressure head sleeves are subdivided into classes:

    Class B(I): gasoline, kerosene of mineral oils on an oil basis;
    Class B(II): waters technical (without additives), solutions of inorganic acids and alkalis concentration to 20% (except solutions of nitric acid);
    Class VG(III): hot water;
    Class G(IV): air, carbon dioxide, nitrogen and other inert gases;
    Class P(VII): feedstuffs (alcohol, wine, beer, milk, subacidic solutions, organic and other substances, drinking water);
    Class Sh(VIII): abrasive materials (sand from sanding devices), alkalescent and subacidic solutions for plaster and paintings;
    Class Steam-1 (X) Steam-2 (X): saturated steam to +143os and to +175os

    Identification number: A sleeve of B (II) - 10 - 6.3 GOST 18698-79

    Water - a class of a sleeve (working environment);
    10-internal diameter (mm);
    6.3atm - the working pressure (atm);
    GOST 18698-79-State standard.

    Table: The made diameters of sleeves of GOST 18698-79

    d vnutr., mm d naruzhn., mm Pressure, MPa Length, m Working environment, class Temperature, 0C
    16 27 1 10; 19,5; 20 Class B (I) from-35 to +70
    18 29 Gasolines

    Kerosene

    25 38 0,63; 1,0
    32 45
    38 52 Mineral oils on an oil basis from-35 to +100
    50 65 0,63; 1,0 9,5; 10
    65 83
    75 89
    100 115 4
    16 29 0,63 10; 20 Class B (II) To +50
    18 32 Water technical (without additives), solutions of inorganic substances and alkalis of concentration to 20% (except solutions of nitric acid)
    25 36 10; 19,5
    32 44
    38 49
    50 65
    65 78 10
    75 87
    100 115 4
    150 170
    16 30 1,0 20 Class VG (III) To +100
    18 32 Hot water
    20 34
    25 40
    32 49 1,0 10; 20
    38 54
    50 71
    25 40 1,0 19,5; 20 Class G (IV) from-35 to +50
    32 48 19,5 Air, carbon dioxide and other inert gases
    38 53 10; 19,5
    50 67 9,5; 10
    16 28 1 20 Steam-1 to +143
    18 31 Saturated steam
    25 38 0,3 19,5
    32 44 17; 19,5
    50 65 9,5; 10
    16 38 0,8 20 Steam-2 to +175
    18 40 Saturated steam
    25 36, 47 17; 19,5
    32 47, 54
    38 53, 58
    50 62, 70 9,5; 17
    25 38 1,0 10; 20 Class P (VII) to +50
    32 44 Feedstuffs (alcohol, wine, beer, milk, slaboktsly solutions of organic and other substances, drinking water)
    38 52
    50 62
    25 35, 40 1,0; 1,6 19,5; 20 Class Sh (VIII) from-35 to +50
    32 44, 50 abrasive materials (sand from sanding devices)
    38 49, 53 10; 19,5
    50 58, 66 Alkalescent and subacid solutions for plaster and paintings to +50
    65 82, 86
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Sleeves pressure head in accordance with GOST 18698-79
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