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According to the United...
Val-Matic announced the certification of its air valve product line to ANSI/NSF Standard 61 for drinking water system components. Certification was provided by Underwriters Laboratories (UL) after completion of testing and analysis of data.
The American National Standards Institute (ANSI) is the official body that accredits laboratories to perform testing and certify data under ANSI/NSF Standard 61. UL Water Quality Services is one of three organizations accredited by ANSI to certify to ANSI/NSF 61. Due to its integrity and thoroughness, UL is the most well known and respected of the accredited testing organizations.
Further information regarding Val-Matic’s certification can be found at www.ul.com under certifications.