NSF 51 and NSF 61 Certified Products

NCS offers a full range of NSF/ANSI 51 and 61 certified O-rings, seals, gaskets and custom molded rubber products for all potable water, food and beverage applications. We have a variety of compounds available in various products and sizes. Contact us here for more information, or call us at 1-800-770-7325.

NSF certification is your key to making sure that the products you use meet strict standards for public health protection.


Food Equipment Certification

NSF is the most accepted and trusted certification in commercial foodservice equipment, specified by health departments, restaurant buyers and specifiers.  NSF means market access — products with the NSF mark receive guaranteed regulatory acceptance in North America and improved acceptance worldwide. This Standard is applicable to the materials and finishes used in the manufacture of food equipment (e.g., broiler, beverage dispenser, cutting board, stock pot). The Standard is also applicable to components such as tubing, sealants, gaskets, valves, and other items intended for various food equipment applications. These components shall meet the relevant design and construction requirements of the NSF Standard applicable to the type of food equipment on which the component is used.


Drinking Water System Components

If you manufacture, sell or distribute water treatment or distribution products in North America, your products are required to comply with NSF/ANSI Standard 61: Drinking Water System Components – Health Effects by most governmental agencies that regulate drinking water supplies. Developed by a team of scientists, industry experts and key industry stakeholders, NSF/ANSI 61 sets health effects criteria for many water system components including:


• Protective barrier materials (cements, paints, coatings)
• Joining and sealing materials (gaskets, adhesives, lubricants)
• Mechanical devices (water meters, valves, filters)
• Pipes and related products (pipe, hose, fittings)
• Plumbing devices (faucets, drinking fountains)
• Process media (filter media, ion exchange resins)
• Non-metallic potable water materials

Benefits of Certification

Certification to NSF/ANSI Standard 61 ensures that your product meets the regulatory requirements for the U.S. and Canada, and it can often meet or fulfill the testing requirements for many other countries as well. Market leaders strive to attain NSF certification as a mark of distinction that provides their customers with assurance that their product is safe for use in drinking water.

NSF/ANSI 61 testing covers all products with drinking water contact from source to tap, and determines what contaminants may migrate or leach from your product into drinking water. It also confirms if they are below the maximum levels allowed to be considered safe.

Click here to contact us for more information on our NSF 51 and 61 certified products .

For more NSF information visit www.nsf.org.



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