T/CFA 02010202-4-2017 Active Group standards

T/CFA 02010202-4-2017 Driven ductile iron pipe for trenchless pipeline construction

Publish Date: 2017-05-18 Implement Date: 2017-08-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CFA 02010202-4-2017

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Casting

ICS Name: Iron pipes and steel pipes

Publish Date: 2017-05-18

Implement Date: 2017-08-01

Scope

Scope: This standard is suitable for the delivery of pipes with sockets and inlets, coated internally and externally, for various purposes (drinking water, fire-fighting water, snow-making water, irrigation water, and water station water), and for the transportation of different types of water (such as raw water, treated water, and reclaimed water); for pressurized or non-pressurized delivery; for ductile iron pipes laid underground (hereinafter referred to as ductile iron pipes); for the delivery of gas with a design pressure of medium pressure Class A and below (such as artificial gas, natural gas, and liquefied petroleum gas); for pressurized or non-pressurized delivery; with an interface size range from nominal diameter DN600 to DN 2600, and a fluid temperature of 0 ℃ to 50 ℃. This standard specifies the terms and definitions of ductile iron pipes, the structure of ductile iron pipes, interface sizes, external shapes, and allowable deviations, technical requirements, and test methods; Main technical contents: This standard specifies the structure of ductile iron pipes, socket sizes, external shapes, and allowable deviations; the mechanical properties of ductile iron pipes; hydrostatic testing; pushing force; internal anti-corrosion coatings; external anti-corrosion coatings of ductile iron pipes; the strength of concrete used for external protection and requirements for auxiliary materials; external anti-corrosion coatings; the straightness of pipes; welding requirements; grouting holes and sealing; repair of concrete protective layers; and appearance quality requirements.