Gas Installation Technology, Second Edition by Roy Treloar

By Roy Treloar

The second one variation of fuel deploy know-how could be of curiosity to all occupied with gasoline deploy paintings, even if plumbers, heating engineers or devoted gasoline fitters. It maintains to supply a definitive textual content for college kids taking NVQ fuel deploy and plumbing classes, and an invaluable reference for operatives renewing their gasoline competences.Brought absolutely modern to conform with the most recent rules and most sensible practices, it covers family, advertisement and LPG installations, and gives crucial details in a concise, readable, vibrant and hugely illustrated structure. the hot variation beneficial properties better diagrams and pictures to help knowing. the second one version of gasoline install expertise remains to be a better half to the author’s hugely winning textbook, Plumbing, and jointly either books supply plumbers, heating engineers and fuel fitters, or scholars of those disciplines, unrivalled assurance in their subject. Fully revised to hide the most recent laws, top practices and present deploy tactics, it covers family, advertisement and LPG installations nonetheless the one textbook dedicated to household fuel, advertisement gasoline and LPG install Concise and readable, seriously illustrated with color diagrams and images to assist realizing and keep in mind

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Example text

Their subject matter is indicated in the brackets, as follows: r r r r Gas Safety (Installation and Use) Regulations; Gas Safety (Rights of Entry) Regulations; Gas Safety (Management) Regulations; Gas Safety (Meters) Regulations. Where this book makes reference simply to the Gas Regulations, this refers to the specific set of regulations dealing with Installation and Use. The first set of the Gas Regulations was published in 1972 and it has since undergone many changes. The Regulations are available either as a Statutory Instrument as laid before Parliament or as a series of ‘Approved Documents’ as supplied by the HSE.

15 Note : No consumption of the N2 or CO2 takes place as these are not fuel gases. 15 m3 of O2 . 062 m3 of O2 . In round figures, 2 volumes of O2 are needed to consume 1 volume of natural gas. In most cases the oxygen supply is taken from the air surrounding the appliance. 81 m3 of air would be needed for complete combustion of 1 m3 of natural gas. In round figures, 10 volumes of air are needed to consume 1 volume of natural gas. 926 m3 of O2 for complete combustion. In round figures, 5 volumes of O2 are needed to consume 1 volume of propane gas.

The use of natural gas was mentioned in China around 900 BC, and in about AD 1000 wells were drilled and the gas was piped through bamboo tubes. Natural gas was discovered in Europe in England in 1659. Unfortunately because of the difficulty of transporting the gas over long distances it remained unused in an economy which was based on coal, oil and electricity. Later a gas was manufactured, known as town gas. It was produced by a process of mixing coal gas and water gas. Coal gas was produced by heating coal to approximately to 1000◦ C, whereas water gas was produced by passing steam over red-hot coke.

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