piping

Size matters

Whenever pipework is to be installed, or appliances replaced, gas operatives should ensure that the design allows adequate flow of gas to each appliance. Mike Heads looks at how this is achieved by calculating the pipe size in domestic installations using BS 6891: 2005. Low pressure natural gas installations should be designed to provide an […]

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Pressed into service

Shorter installation times and removing the need for hot work has led to the rise of heat-free jointing techniques for metal pipework. Robin Oakley looks at the most common styles and the benefits that they bring for installers Heat-free jointing techniques such as push-fit and press-fit for metal pipes are well established and bring many […]

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Laying down the rules

Peter Mason of Blue Flame Associates Ltd reviews the significant proposed changes to BS 6891 – Specification for the installation and maintenance of low pressure gas installation pipework of up to 35mm (R1¼) in premises. A revised British Standards Institution (BSI) standard, BS 6891:2013, is currently in the ‘draft for comment’ stage. The revised standard […]

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On the UP

A major review of IGEM/UP/2 is aiming to clarify certain issues and make it far easier to implement across the industry. Barrie Church explains why the review is necessary and what areas it will concentrate on. IGEM/UP/2, which covers non-domestic pipework and large domestic pipework over 35mm size, is currently under major review. An article […]

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District counsel

District heating has been used for many years but is only now starting to gain popularity in this country. Mike Heads looks at what district heating consists of, how it works and how it is designed and managed. In district heating (DH) systems, heat is generated from a central source and then distributed via a […]

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