A-T Controls NS Series Butterfly Valves | NSF 61 & 372 Rated

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.

NS butterfly valves are available in sizes 2” – 24”, and have Class 150 wafer or lug flanges. (NS, NSP)

Water Treatment | Potable Water Service | Reverse Osmosis | Desalination