GB/T 25431.2-2025 Active
GB/T 25431.2-2025 Extruders and extrusion lines of rubber and plastics—Part 2:Safety requirements for die face pelletizers
Abstract
This document specifies the safety requirements for the design and manufacture of the following model-face granulators: — Underwater granulators; — Water-ring granulators; — Dry granulators; — Centrifugal granulators; — Roller-knife granulators. This document applies to all major hazards, dangerous states, and dangerous events related to model-face granulators that may arise during their entire life cycle (see GB/T 15706—2012, Section 5.4), during their intended use, and in cases of misuse that can be reasonably foreseen by the manufacturer (see Appendix A). This document does not apply to draw-wire granulators. This document does not include design requirements for exhaust ventilation systems.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 25431.2-2025 |
| CCS | Machinery for rubber and plastic processing |
| ICS | Chemical equipment |
| Implement Date | 2026-08-01 |