GB/T 17457-2009 (English Version) PDF

Standard No.: GB/T 17457-2009
Language: Chinese, Available in English version
Release Date: 2009
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status: Be replaced 2020-07
Replace By: GB/T 17457-2019
Latest: GB/T 17457-2019
Replace: GB/T 17457-1998

Scope: This standard specifies the characteristics, coating method, surface condition and minimum thickness of the cement mortar lining of ductile iron pipes (hereinafter referred to as ductile iron pipes) and pipe fittings. This standard applies to linings that improve the hydraulic properties (compared with unlined ductile iron pipes and fittings) and anti-corrosion properties of ductile iron pipes and fittings, and also gives special requirements for the lining of partially full-flow artesian sewage pipes. This standard is also applicable to the inner lining for transporting special corrosive liquids. At this time, the following methods can be used alone or in combination: ——Increase the thickness of the inner lining; ——Change the type of cement; ——Add a coating to the inner lining.

GB/T 17457-2009 Referenced Document

GB 175 General Purpose Portland Cement*， 2023-11-27 Update
GB 201 Aluminate cements
GB 748 Sulfate resistance Portland cement
GB/T 14684 Sand for construction*， 2022-04-15 Update
GB/T 17219 Standard for safety evaluation of equipment and protective materials in drinking water system
ISO 16132 Ductile iron pipes and fittings*， 2024-03-01 Update

2019 GB/T 17457-2019 Ductile iron pipes and fittings-Cement mortar lining
2009 GB/T 17457-2009 Ductile iron pipes and fittings.Cement mortar lining
1998 GB/T 17457-1998 Ductile iron pipes--Centrifugal cement mortar lining--General requirements