The importance of slamming characteristics, headloss and maintenance needs are features that have been taken into consideration when engineering and designing Val-Matic’s check valves are highly engineered to provide long life and trouble-free performance. All Val-Matic Check Valves are certified NSF/ANSI 61 for drinking water and NSF/ANSI 372 Lead-Free. Visit www.valmatic.com for a number of technical papers, videos and articles on the benefits of Val-Matic’s Check Valves.