Our Product

Air Hose, Pneumatic Hose, Rock Drill Hose

Specifications

IS : 446/1980 (Amalgamated revision of IS : 446/ 1968 covering both textile woven and braided construction) or IS 911.

IS 446/87 - TYPE I II & III

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

Availability of Sizes & Reinforcement Recommedation

  • I.D. mm
  • Type I
  • Type II
  • Type III
  •  
  • Wov.
  • Br.
  • Wov.
  • Br.
  • Wov.
  • Br.
  • 5.0
  • 2 Ply
  • 1 Br.
  • 2 Ply
  • 1 Br.
  • 3 Ply
  • 1 Br.
  • 6.3
  • 2
  • 1
  • 2
  • 1
  • 3
  • 1
  • 8.0
  • 2
  • 1
  • 3
  • 1
  • 3
  • 1
  • 10.0
  • 2
  • 1
  • 3
  • 1
  • 4
  • 1
  • 12.5
  • 2
  • 1
  • 3
  • 2
  • 4
  • 2
  • 16.0
  • 2
  • 1
  • 3
  • 2
  • 4
  • 2
  • 20.0
  • 3
  • 1
  • 4
  • 2
  • 5
  • 2
  • 25.0
  • 4
  • 2
  • 5
  • 2
  • 6
  • 3
  • 31.5
  • 4
  • 2
  • 5
  • 3
  • 6
  • 3
  • 38.0
  • 4
  • 2
  • 5
  • 3
  • 7
  • 3
  • 50.0
  • -
  • -
  • 6
  • 3
  • -
  • -

50 mm & above sizes in Type I, II, III are supplied as per request.

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

Test

The hoses will undergo hydraulic test as per following,

  • TYPE I : Air Hose, Minimum bursting pressure 28 Kgf/cm2
  • TYPE II : Pnuematic Tool Hose : Minimum bursting pressure 40 Kgf/cm2
  • TYPE III : Rock Drill Hose : Minimum bursting pressure of 56 Kgf/cm2

Applications

These hoses are used for various applications like general construction work, road building, tunneling, in construction jobs used with chipping, grinding and riveting appliances; in Service type inflation, for rock drilling applications in mine, and quaries etc.