Jyothi Gas

About LPG

 

Liquefied Petroleum Gas is a Propane / Butane mixture liquefied under normal ambient temperature and moderate pressures. It is a safe, clean burning, reliable, high calroific value fuel. In addition to its use as a domestic fuel, it is also widely used in industries, where there is a requirement of low sulphur content fuel and fine temperature controls. LP Gas conforms to IS:4576-1999 specifications.

The Chemical composition of propane is C3H8 and butane is C4H10.

  • LPG is twice as heavy as air and half as heavy as water.
  • LPG is colourless and odourless; hence an odorant is used to detect leaks.
  • LPG can be compressed at a ratio of 1:250, which enables it to be marked in portable containers in liquid form
  • LPG is safe fuel and ignites only within the specified LPG- Air ratio of 2% to 9%.
  • A high calorific value of 11,900 Kcal/Kg results in high efficiency heat output.
  • Clean Burning
  • No soot, burners have a longer life - so maintenance is low
  • No spillage as it vaporizes at atmospheric temperature and pressure
  • Effects of corrosion are greatly reduced
  • Instantly controllable flame temperature
  • Avoids scaling and decarborising of parts
  • Environmentally friendly fuel, with minimal sulphur content and sulphur- free emissions.
  • Very high efficiency with direct firing system
  • Instant heat for faster warm-up and cool-down
  • Free from peak time premium rates, unlike electricity. One rate round the clock
  • Can be used for a variety of applications

Characteristics

Requirement for Commercial

Description

 

Butane - Propane Mixture

85

Vapour Pressure at 40O C in KPa gauge Max (Note 1)

1050 (Note 2)

D1267

Volatility: Evaporation Temp in OC for 95% by Vol. at 760mm Hg pressure max.

2.0

D1837

Total volatile Sulphur ppm Max.

50

D2784
D3246

Copper Strip corrosion at 38 O C for 1 hour

Not worse than No. 1

D1838

Hydrogen Sulphide

Pass

D2420 (Note 3)

Free water content

None

Visual

Fuel

KCal / Kg(At room temperature)

Heat transfer efficiency

LPG

11900

85%

SKO

11100

50%

Light Diesel Oil (LDO)

10700

60%

Furnace Oil (FO)

10280

55%

Natural Gas (CNG)

Pass

65%

Coal

None

15%

Firewood

4400

15% to 20%

Electricity

860/Kw

65%

 

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