Plast-O-Matic Series VBS Vacuum Breakers 1 1/2″ – 4″

• 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.
• Insurance against replacement of damaged expensive equipment… 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″, 11/2″, 2″, 3″ and 4″.