塑料管材和管件 建筑物内排水系统的承口和插口尺寸 第2部分:聚乙烯(PE)

[中文适用范围]： 规定了用于建筑物内排水系统的 PE 管件接头和 PE 管道整体承插口的承插口和插口的设计公式和推导尺寸以及公差，其中此类接头旨在适应膨胀和收缩。 用于热焊接和电热焊接的插座和插口不包括在内。 [外文原描述]： Specifies the design formulae and the derived dimensions, together with tolerances, of sockets and spigots for joints of PE fittings and for integral sockets of PE pipes intended for use in discharge systems inside buildings where such joints are intended to accommodate expansion and contraction. Sockets and spigots for thermal and electrothermal welding are excluded.