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You are here: Home1 / Blog2 / General3 / LPG Knowledge4 / How many kilowatt hours correspond to a kilogram of LPG (propane)?

How many kilowatt hours correspond to a kilogram of LPG (propane)?

31. March 2016/in General, LPG Knowledge

Inhaltsverzeichnis

  • Example
  • Calculation tool
  • Withdrawal output and heating value
  • Good to know
Approximate reading time: 1 minute

The conversion from one kilogram of LPG (propane) to kilowatt hours (kWh) is important for selecting the best pressure regulator, for example. We can show you how the conversion works, and offer you our conversion tool as a service.

The nominal power of GOK pressure regulators is stated in the unit kilograms per hour (kg/h). However, the required consumption of the connected consumer equipment is stated in kilowatts (kW).

The logical question that arises is, how many kilowatt hours are equivalent to one kilogram of LPG (propane). The answer: 12.87 kilowatt hours per kilogram.

  There is a hissing sound at the pressure regulator when I open the shut-off valve. Does that mean that gas is escaping?

Example

You want to operate a piece of consumer equipment which has a nominal power of 18 kilowatts, for example. You can calculate the maximum output in kilograms of LPG (propane) per hour the pressure regulator must have using the following formula:

18 kW / 12,87 kWh/kg = 1,40 kg/h

Calculation tool

Withdrawal output and heating value

A large number of GOK pressure regulators work with a maximum nominal power of 1.5 kilograms per hour. Theoretically, this means that with this kind of pressure regulator, a piece of consumer equipment with nominal power of up to approx. 19 kilowatts can be operated.

However, please note the withdrawal output from LPG cylinders and LPG tanks:

  What withdrawal volume do I get out of one gas cylinder?
  How many kilograms of LPG per hour can I draw from an LPG tank?

Good to know

The heating value of a standard cubic metre of LPG is approx. 26 kilowatt hours and is therefore 2.6 times greater than natural gas.

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Approximate reading time: 8 minutes

Information regarding technical systems

This blog will never ask members of the public or unqualified persons to make changes to or fiddle around with technical systems themselves.

In accordance with the Industrial Safety Regulation (BetrSichV), a qualified person must take care of a system which requires monitoring.

A qualified person is someone who has the specific specialist knowledge required. This knowledge is gained by way of a professional apprenticeship, corresponding professional experience or current occupational activity.

Please note that the texts are based on information, regulations and standards for Germany. Please always check the rules and regulations in the relevant country of destination and consult specialists if necessary.

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