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Indian Gases

Indian Gases Manufacture & Supply Dissolved Acetylene (C2H2) Gas in cylinders in strict conformation to international quality norms and standards.


Indian Gases Manufacture & Supply Dissolved Acetylene (C2H2) Gas in cylinders in strict conformation to international quality norms and standards. Gases are manufactured under strict supervision of expert and are approved by the Chief Controller of Explosives and are as per ISI specifications.

Dissolved Acetylene

Chemical formula :C2H2
Specification of C2H2 Gas :IS 308 of 1980
Specification of C2H2 Cylinder :IS 7312
Cylinder Colour :Maroon
Uses :Welding Cutting and fabrication in steel metal and other industry
Characteristics :Distinctive garlic-like smell. Fire and explosion hazards are similar to those of LPG.

However it is lighter than air and less likely to collect in ducts and drains.

Benefits of D.A

  • Oxygen and Acetylene together produce a flame temperature of approximately 31500C
  • The oxy-acetylene flame gives very good localised heating with a minimum of wasted heat
  • In cutting, Oxy-Acetylene gives the fastest preheating and piercing times of any fuel gas combination
  • In Oxy- Acetylene cutting processes, improved cut quality, higher cutting speed, faster cut initiation time and reduced Oxygen use are achieved
  • When used with either Oxygen or air, Acetylene can produce a thin layer of black carbon particles. This can prevent components sticking in their moulds
  • Unused gas will not collect in low-lying areas, ducts and drains causing a potential hazards
  • Acetylene is stored in specially-designed cylinders to prevent decomposition
  • The flame has a low moisture content making it a good choice for many critical heating applications

Features of D.A.

  • The hottest and most efficient of all the fuel gases, providing high levels of productivity.
  • Very efficient use along with Oxygen.
  • Lighter than air and will not accumulate at low levels.
  • Low ignition energy.
  • Low moisture content flame.
  • Non –Toxic (may cause dizziness in high concentrations).
  • No bulky gas holder required.
  • Excellent absorption of gas in cylinders.
  • No gas loss resulting in high yield.
  • Simple and safe to operate.
  • Low power consumption.
  • Low maintenance cost.

Application and use

  • Cutting
  • Flame Heating
  • Flame Gouging
  • Gas Welding. The only fuel gas which can be used to weld steel
  • Flame hardening
  • Flame cleaning. A wide Oxy- Acetylene flame is held very close to a steel surface to be cleaned
  • Flame straightening where the precise and efficient flame properties are used to remove distortion in plate material
  • Thermal spraying of various metal and ceramics. The material to be sprayed is fed through the flame
  • Spot-heating applications
  • Brazing
  • Texturing
  • Profile-Cutting
  • Branding wooden pallets
  • Wood-ageing
  • Glass and metal castings
  • Mould release and other anti-stick application
  • The only fuel gas recommended for use in underground working conditions

Please note: in any confine spaces, extraction devices should be used to remove any potentially dangerous by-products.

Specification of Dissolved Acetylene Gas Cylinder

Diameter :250mm
Height :1040mm
Wall thickness :3.3mm
Weight :40kg
Material :Hp295
Testing pressure :52bar
Working pressure :30bar
Valve :QF-15A
(A) Model UNIT  
(i) Type Seamless
(ii) Specification IS :7312-1993
(iii) Water Capacity Lts. 41 Lts. +3%-0
(iv) Hydrostatic Stretch Pressure Kg/Cm2 250
(v) Pneumatic Leakage Test Pressure Kgf/Cm2 150
(vi) Max.Working Pressure at 150C Kgf/Cm2 16
(vii) Gas Capacity Kg. 7
(viii) Outer Diameter mm 232
(ix) Inner Diameter mm 221 Approx.
(x) Wall Thickness(Nominal) mm 5.6
(xi) Length Without Valve (Approx.) mm 1220
Type Monolithic Calcium Silicate Mass
Porosity % 90-92
Crushing Strength (Minimum) Kgf/Cm2 22
Solvent Acetone
Tare Weight Kg. 65
(C) Valve conforms to IS: 3224
(D) Fusible Plug N.A
(F) Scope of Supply: DA Cylinders with Monolithic Porous Mass, filled with Acetone, Saturated with gas fitted with valve, Fusible plugs and guard, surface metalized with zinc, painted, Certified by BIS and approved by CCE.
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