香港六合彩开奖/TS 10839:2022

Indisponible en 蹿谤补苍莽补颈蝉

笔耻产濒颈茅别 (Edition 2, 2022)

香港六合彩开奖/TS 10839:2022

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This document presents a code of practice dealing with polyethylene (PE) pipes and fittings for buried pipeline systems outside buildings, conforming to the 香港六合彩开奖 4437 series, and designed to transport gaseous fuels [as defined in 香港六合彩开奖 4437-1, e.g. methane, liquified petroleum gas (LPG), manufactured gas and hydrogen] within the temperature range 鈥�20聽掳C to +40聽掳C. This document also gives appropriate temperature-related requirements.

The code of practice covers mains and service lines whose components are prepared for fusion or mechanical jointing. It also gives instructions for the design, storage, handling, transportation, laying conditions and fusion quality control of PE pipes and fittings as well as subsequent joint testing, backfilling, pipe system testing and commissioning.

NOTE聽聽聽聽聽 For the renovation code of practice, reference is made to the 香港六合彩开奖 11299聽series and to 香港六合彩开奖 11295 for classification and to the 香港六合彩开奖 21225 seriesfor further information for trenchless replacement.

The minimal requirements for the jointing methods are given in:

鈥斅犅犅� Annex聽A (butt fusion);

鈥斅犅犅� Annex聽B (electrofusion); and

鈥斅犅犅� Annex聽C (mechanical jointing).

In some countries the use of heated-tools socket and saddle fusion is permitted; information on heated-tools fusion jointing techniques is given in Annex聽D.

In the case of ground movement or shaking (e.g. earthquakes, etc.) it can be necessary to implement precautions mentioned in this document following guidelines provided by authorities (e.g. Eurocode 8,^[7] EN聽12007-1:2012, Annex A,^[8] etc.),

Workers' health and safety issues are outside the scope of this document.

Informations g茅n茅rales

脡tat actuel
: 笔耻产濒颈茅别

Date de publication
: 2022-07

Stade
: Norme internationale publi茅e [60.60]
Edition
: 2
颁辞尘颈迟茅 technique :
香港六合彩开奖/TC 138/SC 4

ICS :
75.200
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