For gases
Hoses for gas TU-18698-79
Rubber pressure hoses with a textile frame GOST 18698-79 class G can be used for pumping air, carbon dioxide, nitrogen and other inert gases under pressure.
Hoses for gas GOST 5398-76
Rubber pressure-suction hoses with a textile frame, non-reinforced, GOST 5398-76 class G, are designed for the suction and injection of air, carbon dioxide, nitrogen, and inert gases.