Val-Matic Swing Check ValveVal-Matic’s AWWA Swing Check Valve incorporates design features to provide energy savings, ease of maintenance, and extended valve life. Designed for municipal and industrial water and wastewater applications, the swing check valve is available with three field adjustable closer options: Lever & Weight, Air Cushion or Lever & Spring. The swing check valve features a 100 percent unrestricted flow area for energy savings and a full-access domed cover with vent port for ease of maintenance without removing the valve from the line. Other features include: heavy-duty stainless steel shafts and replaceable body seats, replaceable resilient seats with integral O-ring sealing beads for positive seating, and NSF/ANSI 61 fusion-bonded epoxy coating on the interior and exterior for corrosion resistance. Sizes 2 inches–48 inches are constructed of ductile iron and sizes 30 inches–48 inches are also available in gray iron. Val-Matic’s swing check valves are designed and built in accordance with AWWA Standard C508, are Certified to NSF/ANSI 61 for Drinking Water System Components, and are Certified Lead-Free in accordance with NSF/ANSI 372.