This standard is not intended to apply to tapping sleeves welded to pipe. Fabricated tapping sleeves shall be manufactured from steel or stainless steel and are intended for use in systems conveying water. For outlets and main sizes greater than those
AWWA C401-2003由美国给水工程协会 US-AWWA 发布于 2003-06-19。
AWWA C401-2003 在中国标准分类中归属于: G33 塑料型材,在国际标准分类中归属于: 23.040.01 管道部件和管道综合。
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