BS EN ISO 3949:2020 pdf free.Plastics hoses and hose assemblies -Textile-reinforced types for hydraulic applications - Specification. BS EN ISO 3949 This document specifies requirements for three types of textile-reinforced thermoplastics hoses and hose assemblies of nominal size from 3,2 to 25. Each type is divided into two classes dependent on electrical conductivity requirements.They are suitable for use with: 一oil-based...