AWWA M49-2001由美国给水工程协会 US-AWWA 发布于 2001-01-01。
AWWA M49-2001 在中国标准分类中归属于: J16 阀门,在国际标准分类中归属于: 23.060.30 闸阀。
The purpose of this standard is to provide purchasers and manufacturers with the minimum requirements for protective fusion-bonded epoxy coatings and linings for the interior and exterior surfaces of ductile-iron and gray-iron fittings used for water.
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