It is used in areas with freezing risk, like submerged fire protection lines.
Developed to be used as check and cut-off valve, is the equivalent of butterfly valve with a monitoring switch and OS & Y valve that is used to stop the liquid flow in pipings ( i.e exterior underground pipings, interior pipings ). Since the position of the valves must be visible and traceable, it must be used in conjunction with post indicators. Ideal for indoor and outdoor use. UL LIST-FM certified