Ns Series, A-T Controls - Butterfly Valves

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NS Series Butterfly Valves | NSF 61 & 372 Rated

NSBV61

NSF 61 and 372 certified and Dead-End Service, Manual and Automated Butterfly Valves, Lug or Wafer body, ANSI 125/150 flanges (NS, NSP) A-T Controls’ NS series butterfly valves are certified to meet the requirements of NSF 61 (Drinking Water System Components- Health Affects) and NSF 372 (Drinking Water System Components- Lead Content). This means that NS Series valves are certified for use (by Underwriters Laboratory) in water treatment, water purification, potable water, and water distribution systems and conforms with North American lead content requirements for “lead-free” plumbing. Bi-directional, bubble tight shutoff for full pressure differential Vulcanized Molded rubber seat design ASTM A395 DI and A351 CF8M body materials Multiple seat and disc materials available Square stems and ISO 5211 mounting pad for direct mounting These valves hold CRNs (Canadian Registration Numbers). Use the search bar on our site to access the CRN certificates; search CRN.

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