Shandong Laiduan Machinery Co.,ltd

Shandong Laiduan Machinery Co.,ltd  

Add:ZHAILI, LAIWU CITY-SHANDONG PROVINCE – CHINA

Con:Jun Li

Pho:(86)18606349977

Tel:(86)634 6512388

Fax:(86)634 6512388

Email:felix@laiwuforging.com

Home > Exhibition > Content
Standard for execution of water-supply ductile iron pipes
Jun 30, 2017

GB/T 13295-2003 Ductile iron pipes, fittings and accessories for water and gas pipelines

GB/T 17457-1998 Ductile iron pipe cement mortar centrifugal liner--general requirements

GB/T 17458-1998 composition test of new mortar with centrifugal liner of ductile iron pipe cement mortar

GB/T 17459-1998 Ductile iron pipe asphalt coating

GB/t 17456 Ductile iron tube exterior spraying zinc

GB/T 17219-1998 standard for safety evaluation of water transmission and distribution equipment and protective materials for drinking water


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