They are used as flexible pipelines for supplying liquids, saturated steam, gases and bulk materials under pressure. Rubber hoses are formed from the inner rubber layer, one or more layers of the textile skeleton and the outer rubber layer.
| Operating media |
Operating media temperature, °C |
| Aviation and automobile gasoline |
from -50°С up to +70°С |
| Oil-based oils |
Up to +100°С |
| Jet and diesel fuels |
-50°С up to +70°С |
| Fluid lubrications, solid oil lubrications |
-50°С up to +100°С |
| Air, neutral gases (inert) |
-50°С up to +60°С |
| Water |
Up to +120°С |
| Low-freezing cooling liquid |
from -60°С up to +120°С |
| Weak solutions of inorganic acids, alkalis(up to 20% concentration), except nitric acid |
from -50°С up to +50°С |
Symbol:
Rubber hose 20×30-1,6 GOST 10362-76, where:
20 — inner diameter (mm);
30 — outer diameter (mm);
1,6 — working pressure (MPa).
