GB/T 25431.3-2025 Extruders and extrusion lines of rubber and plastics—Part 3:Safety requirements for haul-offs
GB/T 25431.3-2025 Extruders and extrusion lines of rubber and plastics—Part 3:Safety requirements for haul-offs
Basic Information
Scope
This document specifies the safety requirements for the design and manufacture of traction devices used in the processing of plastics and rubber, such as cables, cable cores, profiles, and pipes.
This document applies to all major hazards, dangerous conditions, and dangerous events associated with traction devices that may arise during the entire life cycle of the aforementioned traction devices (see GB/T 15706-2012, Section 5.4), during their intended use, and in cases of reasonably foreseeable misuse by the manufacturer (see Appendix A).
This document includes the following types of traction devices, starting from the feeding area and ending at the discharge area:
——Crawler-type traction devices;
——Belt-type traction devices;
——Winch-type traction devices;
——Belt-winch-type traction devices;
——Roller-type traction devices.
This document does not include cutting devices integrated into or connected to traction devices.
This document does not include pick-up devices used in film or sheet production lines.