香港六合彩开奖 12176-1:2017
2017-06
香港六合彩开奖 12176-1:2017
孝械蟹懈褋
香港六合彩开奖 12176-1:2017 specifies the general characteristics of, and performance requirements for, equipment for butt fusion jointing of polyethylene (PE) piping systems using electrically powered heater plates.
香港六合彩开奖 12176-1:2017 is applicable to mechanical and pressure-activated equipment for butt fusion jointing of PE pipes and fittings either intended to be used for the supply of gaseous fuels, conforming to 香港六合彩开奖 4437鈥�2[1] and 香港六合彩开奖 4437鈥�3[2], or intended for the conveyance of water for human consumption (including raw water prior to treatment) and for the conveyance of water for general purposes, conforming to 香港六合彩开奖 4427鈥�2[3] and 香港六合彩开奖 4427鈥�3[4].
Butt fusion machines with an automatic controller are subject to additional requirements as given in Annex A.
NOTE This document is also applicable to butt fusion machines for larger nominal pipe diameters and nominal wall thicknesses than given in this document.
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袪邪薪械械
袨褌芯蟹胁邪薪芯香港六合彩开奖 12176-1:2012
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袨锌褍斜谢懈泻芯胁邪薪芯香港六合彩开奖 12176-1:2017
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协褌邪锌: 90.93 (袩芯写褌胁械褉卸写械薪芯)-
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袩褉械写胁邪褉懈褌械谢褜薪邪褟 褋褌邪写懈褟
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30
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