HDL AVK Ball Check Valves: Firm, no clog and low Friction loss
HDL Model 5087 is the most widely used ball check valve for municipal and industrial backflow prevention.
HDL Ball Check Valves are ideally suited for all situations, where liquid containing solid particles must be prevented from flowing back without the danger of clogging.
Model 5087 Ball check valves with DIN and ANSI flanged connections are available in Cast Iron and Stainless Steel.
(Other materials on request)