Construction
- Air Hose, Pneumatic Hose Lining : Rubber lining shall be porosity, air-blisters and any other visible defects
- Rock Drill Hose Lining : Rubber lining shall be free from resistant to oil mist.
- Reinforcement : Shall be either woven fabric well rubberized on both sides or braided textile reinforcement with yarn, natural or synthetic or combination of both
- Cover : The outer cover shall be of high tensile abrasion resistant compound
Types :
There are 3 types of hoses- TYPE I : Air hose for a working pressure 7 Kgf/cm2
- TYPE II : Pneumatic hose for a working pressure 10 Kgf/cm2
- TYPE III : Rock Drill hose for a working pressure of 14 Kgf/cm2