T/SXKJFW 502-2025 Technical specifications for the self-service top cover system of the railway siphon car
T/SXKJFW 502-2025 Technical specifications for the self-service top cover system of the railway siphon car
Basic Information
Scope
This document provides the terms and definitions of the self-service cover system for railway hopper cars, and stipulates the technical requirements, maintenance requirements, inspection rules, and marking, packaging, transportation, and storage requirements for the self-service cover system for railway hopper cars. This document applies to the fully open telescopic self-service cover system for KH70-type fly ash hopper cars and similar types of railway hopper cars (which use fixed silos for loading and unloading from the top). It is used for transporting bulk loose-loaded goods such as fly ash, coal, and limestone. This document does not apply to hopper cars that use loaders for loading or tipping trucks for unloading. This document provides the terms and definitions of the self-service cover system for railway hopper cars, and stipulates the technical requirements, maintenance requirements, inspection rules, and marking, packaging, transportation, and storage requirements for the self-service cover system for railway hopper cars.