70 Durometer
Millions of people take the safety of their food, water and consumer products for granted on a daily basis. Why? Because of three letters: NSF. NSF certification is your key to making sure that the products you use meet strict standards for public health protection; Buna NBR 50 durometer NSF approved O-rings are your answer. NBR O-rings are a general purpose, sulfur-cured NSF Standard 61 approved Nitrile (Buna-N) compound with a temperature range of -40 to +250F. Choosing a product certified by NSF lets you know the company complies with strict standards and procedures imposed by NSF. Every aspect of a product's development is thoroughly evaluated before it can earn the NSF certification. The NSF Water Distribution Systems Program is responsible for the certification of drinking water treatment. NSF/ANSI Standard 61 is an US Standard issued by the National Sanitation Foundation which defines the acceptable levels of contaminating substances and impurities that may leach or migrate from components and devices into drinking water systems. Whether you manufacture valves, faucets, copper tubing, sinks, thermostatic mixing valves, backflow preventers, toilets, septic tanks, showers or practically any other type of plumbing product, NSF provides the testing and certifications you need to gain product acceptance and code compliance across North America. NSF-certified products are widely accepted by plumbing inspectors and code officials across North America. Faucets and plumbing products intended for contact with drinking water should be tested and certified to NSF/ANSI Standard 61. This American National Standard limits the amount of impurities that individual products can introduce into a homeÂ’s water supply, including lead and other metals, volatile organic chemicals, phthalates and bisphenol A (BPA). Products covered by this standard include faucets, pipe, drinking water fountains, water meters and water storage tanks.
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