Assessing the manufacturer's commitment to social responsibility and transparent environmental reporting. End-of-Life Management:
Encourages manufacturers to integrate environmental thinking at the earliest stages of development, often called "enlightened design". nsfs 347 2021
NSFS 347 2021 refers to the , a North American standard titled “Safety and Performance Requirements for Nonmetallic Gaskets for Use in Water and Wastewater Systems.” * Developed by NSF International (formerly the National Sanitation Foundation), this standard specifically governs nonmetallic gaskets used in piping, fittings, valves, and other appurtenances that come into contact with: Some of the key changes include: Gaskets must
The 2021 version of NSFS 347 has introduced several changes and updates to the previous version. Some of the key changes include: Certification Levels
Gaskets must meet ANSI/ASME B16.21 or ISO 7483 dimensions, with a new allowance for thermal expansion in PTFE-based materials. The 2021 edition adds a maximum warpage of 0.5 mm per 100 mm of gasket length.
Rewards manufacturers for implementing new technologies or reclamation processes that exceed current standard requirements. Certification Levels