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Know LPG?

  • LPG stands for Liquefied Petroleum Gas.
  • It consists mainly Butane (C4H10) & Propane (C3H8) and saturated and unsaturated hydrocarbons
  • LPG is colourless, hence LPG leaks are not visible.
  • LPG is also odourless, but Ethyl Mercaptan is added in large quantity as an odourant to detect LPG in case of leaks.
  • LPG is heavier than air, hence vapour LPG settles on ground pits, sewers, etc. in case of leakage.
  • LPG is lighter than water & floats on the water surface.
  • LPG requires specific air ratios to burn, and has a narrow flammabillity range between 2% – 10% by
  • LPG is either liquid or vapour. It is in liquid form when under pressure, and becomes vapour when the pressure if released.
  • As a fuel, LPG has explosive properties.

Know PNG?

  • PNG stands for Piped Natural Gas.
  • It consists mainly of Methane (Ch4) and hydrocarbons.
  • PNG is also colourless, hence its leaks are also not visible.
  • PNG is odourless, but Ethyl Mercaptan is added in a small quantity as an odourant to detect PNG in case of leaks.
  • PNG Is lighter than air, hence the gas evaporates in the atmosphere.
  • PNG is only partly soluble in water.
  • PNG requires specific air ratio to burn, and has a flammability range between 5% – 15 % by volume.
  • As a fuel, PNG has flammable properties.
  • The net calorific value of PNG is approximately 8500 kcal per unit.
  • In India, PNG available thanks to the creation of the all India gas grid by GAIL.

Why LPG or PNG ?

Efficiency:

LPG’s energy content (Calorific Value) is the highest amongst other conventional fuels. A very high proportion of the energy content of LPG is converted into usable heat. LPG & PNG both offer clean and efficient combustion and the equipment used for combustion of these gases, like burners etc have significantly no maintenance costs.

Environment Friendly:

LPG & PNG both have the lowest greenhouse gas emissions than any other conventional fuels. Combustion of both gases produces no smoke generation, no Sulphur emissions, no poisonous gases, no soot and no unburnt carbon particles and when it comes to carbon dioxide emissions both gases are the cleanest fuels available today.

Convenience & Safety:

LPG & PNG both are extremely safe fuels if handled in the right way. Both gases are very easy and convenient to use for a wide range of applications across several industries. The number of known applications for both gases around the world totals to over 2000.

Accessibility:

While LPG is easily accessible and available in different sizes of portable cylinders, PNG has even better accessibility where the PNG pipeline connection is available right at your premises gate for your use, thanks to the Natural Gas grid created all over India by GAIL.

Commercial Viability:

Compared to liquid and conventional fuels, LPG / PNG are the most commercially viable fuels when fuel efficiency and maintenance costs are taken into consideration.

VOT - VAPOUR OFF TAKE

vot
  • VOT Cylinders are the normal conventional type of cylinders which you would find in your homes, restaurants and other small commercial establishments These type of cylinders were introduced in India after independence with a view to provide LPG for cooking in homes.
  • In these type of cylinders, the vapour is converted naturally inside the cylinder is discharged out through a VOT cylinder valve and used for usage applications.
  • The rate at which liquid LPG inside the cylinder is naturally converted into LPG vapour and discharged for usage is around 0.4 to 0.7 kg/hr.
  • These type of cylinders are often required in household kitchens, commercial kitchens, restaurants, canteens, small industries, etc in multiple quantities connected in series for higher off-take where there is a higher consumption rate of LPG.
  • These cylinders are generally available in the size of 5kg, 14 kg, 17 kg, 17 kg, 19kg, 21 kg, 33 kg and 47.5 kg from different service providers.

The standard configurations and schematic views of a VOT cylinder bank according to the consumption pattern of the user is as below:

LOT - LIQUID OFF TAKE

  • LOT Cylinders were introduced in India in view of shortage of space and availability for a VOT Multi Cylinder Bank, as LOT cylinders save space in places of high consumption like Star Hotels, Small, Medium and Large Scale Industries where installation of a bulk LPG tank is not possible.
  • In these type of cylinders, the vapour is converted naturally inside the cylinder is discharged out through a VOT cylinder valve and used for usage applications.
  • The rate at which liquid LPG inside the cylinder is naturally converted into LPG vapour and discharged for usage is around 0.4 to 0.7 kg/hr.
  • These type of cylinders are often required in household kitchens, commercial kitchens, restaurants, canteens, small industries, etc in multiple quantities connected in series for higher off-take where there is a higher consumption rate of LPG
  • These cylinders are generally available in the size of 5kg, 14 kg, 17 kg, 19kg, 21 kg, 33 kg and 47.5 kg from different service provides.

The standard configurations and schematic views of a VOT cylinder bank according to the consumption pattern of the user is as below: