![]() Only fittings and tubing from the same manufacturer should be used. PCSST tubing and fittings need to be assembled in accordance with the manufacturer’s instructions. ![]() Note 1: Sleeves for gas pipework need to be manufactured from a corrosion resistant material that is impermeable to gas and is capable of protecting the pipework against failure caused by movement of the structure, eg, continuous lengths (no joints) of copper, steel, polyethylene, and be installed in accordance with relevant industry standards. This applies to installation pipework for all gas types, ie, natural gas (NG), liquefied petroleum gas (LPG) and LPG/air. The industry standards covering the installation of PCSST are:Ĭlarification on some of the questions relating to the use of PCSST within these standards is provided below.Īlthough PCSST has a factory-applied cover(s), when passing through walls or floors it is treated the same as other gas pipework material and should be located in a separate sleeve passing through the full width of the wall or the full thickness of the floor. Industry standards (installation requirements) PCSST meeting this manufacturing standard is a high-quality product that can be used as an alternative to more traditional, rigid steel and copper pipework for fuel gases. ![]() Pliable corrugated (stainless steel)tubing (PCSST) is manufactured to the requirements of BS EN 15266 (1). This Technical Bulletin provides guidance to Gas Safe registered businesses/engineers on the use of pliable corrugated (stainless steel) tubing and fittings for domestic and non-domestic installations. This article was published in the October 2021 edition of Registered Gas Engineer
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