ISO 16137 specifies requirements for design, functional characteristics and manufacturing of check valves made of thermoplastics materials intended to allow the flow of liquid fluids through the valve in one direction only and to prevent backflow, their connection to the pipe system, the body materials and their pressure/temperature rating between − 40 °C and + 120 °C, for a lifetime of 25 years, and also specifies their tests.
ISO 16137 is applicable to valves to be installed in industrial pipe systems, irrespective of the field of application and the fluids to be conveyed.
NOTE 1 Industrial pipe systems also include systems for water supply for general purposes, drainage and sewerage.
NOTE 2 Special requirements can apply to pipe systems for water for human consumption.
NOTE 3 Different DN and/or PN can be declared by the manufacturer.
ISO 16137 on check valves of thermoplastic materials is useful for:
ISO 16137 provides the users with the key requirements and the test for designing and manufacturing check valves of thermoplastics materials.
ISO 16137 provides the procedure protocol for designing check valves using thermoplastic material. ISO 16137 helps to ensure good quality of the check valves.
Overall, ISO 16137 guidelines ensure the safest method for manufacturing valves.
ISO 16137:2006/Amd.1:2019
EN ISO 16137:2006/A1:2019
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