GB/T 46199-2025 Active
GB/T 46199-2025 Ductile iron pipes for trenchless application
Abstract
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.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 46199-2025 |
| CCS | \nSteel pipes, cast iron pipes |
| ICS | Iron pipes and steel pipes |
| Implement Date | 2026-03-01 |