PLAST-O-MATIC VALVES, INC. Plast-O-Matic Series VBM 1/2 in. Self-Closing PVC Vacuum Breakers w/ FKM Seals VBM050V-PV

Series VBM Vacuum Breakers are molded of Geon® type 1, grade 1, PVC(Polyvinyl Chloride), Corzan® CPVC, Glass-filled Polypropylene and Kynar® PVDF in pipe connection sizes 1/2", 3/4" and 1". Diaphragms are of EPDM or FKM (Viton). Fasteners are not used on Series VBM. Outlet connection is shipped with standard dust cap. Cap is removable for applications where pipe connection is desired due to location, potential hazard, etc. The outlet connection is identical to the connection on the system side of the valve.Features Designed to protect enclosed tanks from collapse or structural damage during draining. Eliminates siphoning of dangerous fluids. Prevents vacuum which can cause damage to sensitive instruments and filters. Normally-closed design prevents fugitive emissions from leaving system. Ensures against replacement of damaged expensive equipment and avoids critical system downtime. Patented diaphragm design assures dependable, repetitive, bubble-tight sealing in VBM and VB; PFA encapsulated spring and special poppet provide identical performance in VBS design. For corrosive or ultra-pure liquid applications. Sizes: 1/2", 3/4", 1", 1 1/2", 2", 3" and 4". Materials: PVC, CPVC, Polypro, PVDF, PTFE Threaded connections are standrad, socket connections are available.