This International Standard specifies the requirements for three types of helical thermoplastic reinforced thermoplastics hoses for suction and discharge applications for use in the temperature range from -10℃to +55℃.
The types of hoses covered in this International Standard are not intended for use with flammable and combustible materials nor with aromatic solvents.
NOTE Hoses of a similar construction for suction and discharge for fire fighting are specified in ISO 14775.
ISO 3994:1998 history
2014ISO 3994:2014 Plastics hoses - Helical-thermoplastic-reinforced thermoplastics hoses for suction and discharge of aqueous materials - Specification
2007ISO 3994:2007 Plastics hoses - Helical-thermoplastic-reinforced thermoplastics hoses for suction and discharge of aqueous materials - Specification (Fourth Edition)
1998ISO 3994:1998 Plastics hoses - Helical-thermoplastic-reinforced thermoplastics hoses for suction and discharge of aqueous materials - Specification
1977ISO 3994:1977 Plastics products; Hose of polymer reinforced thermoplastics for suction and discharge