Rubber pressure hoses with cotton braid: water (In), petrol (B), food(P), gas(G) GOST

Rubber pressure hoses with cotton braid: water (In), petrol (B), food(P), gas(G) GOST 18698-79 and GOST 10362-76
oleksandrpavlenko@yandex.ru

Sleeves are used as flexible pipelines for supply of pressurized liquids, vapour, gases and bulk materials.

The sleeves consist of inner rubber layer, one or more layers of textile reinforcement, and outer rubber layer.

Depending on the purpose rubber pressure hoses with textile structure according to GOST 18698-79 divided into the following classes:
Class working environment Temperature °C Inner diameter(mm) Pressure(ATM.)
B(I) Gasoline from -30°C to +25°C 10; 12; 16; 18; 20; 25; 32; 38; 40; 50; 65; 75; 100; 125; 150; 200 6,3; 10; 16; 20
Kerosene from -35°C to +70°C
Mineral oil is petroleum based from -30°C to +25°C
In(II) industrial Water (without additives) and weak solutions of inorganic acids and alkalis concentration up to 20 (except nitric acid) to +50°C 10; 12; 16; 18; 20; 25; 32; 38; 40; 50; 65; 75; 100; 125; 150; 200 6,3; 10; 16; 20
VG(III) hot Water up to +100°C 16;18;20;25; 32; 38; 40; 50; 65; 75 6,3; 10
G(IV) Air, carbon dioxide, and other inert gases from -35°C to +50°C 10;12;16;18;20;25; 32; 38; 40; 50; 63; 65 6,3;10
P(VII) Food substances (alcohol, wine, beer, milk, acidic solutions of organic and other substances, drinking water) to +50°C 16; 18; 20; 25; 32; 38; 50; 65; 75; 100; 125; 150; 200 6,3;10
Ø(VIII) Abrasives (sand from sandblasting machines) from -35°C to +50°C 16; 18; 20; 25; 32; 38; 50; 65; 75; 100 6,3; 10; 16; 20
Weakly alkaline and weakly acid aqueous solutions for plastering to +50°C
PAR-1 (x) Saturated steam up to +143°C 16; 18; 25; 32; 38; 50 3; 5
PAR-2 (x) Saturated steam up to +175°C 12; 16; 18; 25; 32; 38; 50; 65; 75 8


The symbol of pressure hoses with textile structure:
Sleeve VG(III)-6-25 GOST 18698-79,
where:B(I)-class petrol resistant sleeves;
6-working pressure (KGF/cm2);
25-internal sleeve diameter (mm)