W920WLF4 4" Lead Free Twin Disc Wafer Check. The NIBCO lead-free cast iron wafer style check valve is spring actuated with Buna-N seat. The spring return reduces noise for quiet operation. The twin disc check valve is wafer style to fit between standard flanges. The check valve includes renewab...- W920WLF4 4" Lead Free Twin Disc Wafer Check.
NLN50XK 6" Lead Free Twin Wafer Check. Check valves prevent backflow by automatically closing when fluid reverses direction. The check valve is recommended for commercial and industrial water applications only. Wafer checks may be installed in horizontal positions (or vertical with flow m... - NLN50XK 6" Lead Free Twin Wafer Check.
NLN10XJ 5" Lead Free Wafer Silent Check. The NIBCO lead-free wafer style silent check valve is spring actuated with renewable bronze seat and disc. The spring return reduces noise for quiet operation. Check valves prevent backflow by automatically closing when fluid reverses direction.... - NLN10XJ 5" Lead Free Wafer Silent Check.
W910BLF3 3" Lead Free WAF Silent Check. The NIBCO cast iron sliding disc check valve is wafer style to fit between standard flanges. Wafer checks may be installed in horizontal positions (or vertical with flow moving up). Choose NIBCO check valves for the most specified. versatile and econ... - W910BLF3 3" Lead Free WAF Silent Check.
