GB/T 46199-2025 Active National standards

GB/T 46199-2025 Ductile iron pipes for trenchless application

Publish Date: 2025-08-29 Implement Date: 2026-03-01 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: GB/T 46199-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: \nSteel pipes, cast iron pipes

ICS Name: Iron pipes and steel pipes

Publish Date: 2025-08-29

Implement Date: 2026-03-01

Pages: 36 pages

Scope

This document specifies the technical requirements, interface performance, marking, and quality certificates for nodular cast iron pipes, fittings, and accessories used for non-excavation installation, which are processed by any type of casting process or assembled from cast iron components. It also describes the corresponding test methods. The nodular cast iron pipes, fittings, and accessories specified in this document are suitable for: — Transportation of water, rainwater, wastewater, hot water, and other types of water; — Pressurized or non-pressurized transportation. This document applies to nodular cast iron pipes, fittings, and accessories with a specification range of DN80 to DN3000. This document does not include interface design and rubber ring technical requirements.