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Patented self-sealing design - normally closed

Leak-free sealing protects against the potential hazards created by corrosive liquids

Not dependent upon gravity - mount in any position

Diaphragm automatically positions itself against seat in the identical location.

No internal sliding or loose parts to slam or vibrate - chattering is eliminated
Normally Closed Vacuum Breakers
Unit of Measure
1 2 3 4 5 

Item #

Item Name

Connection Size

Connection Type

Body Material

Seal Material

VBS400EPT-CP N/A 4 Inch (in) National Pipe Thread (NPT) Chlorinated Polyvinyl Chloride (CPVC) Vacuum Breaker with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 4 in N/A National Pipe Thread (NPT) N/A Chlorinated Polyvinyl Chloride (CPVC) N/A Ethylene Propylene Diene Monomer (EPDM)
VBS150VT-PP N/A 1-1/2 Inch (in) National Pipe Thread (NPT) Polypropylene (PP) Vacuum Breaker with Fluorocarbon (FKM) Seal N/A 1-1/2 in N/A National Pipe Thread (NPT) N/A Polypropylene (PP) N/A Fluorocarbon (FKM)
VBS150EPT-PP N/A 1-1/2 Inch (in) National Pipe Thread (NPT) Polypropylene (PP) Vacuum Breaker with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 1-1/2 in N/A National Pipe Thread (NPT) N/A Polypropylene (PP) N/A Ethylene Propylene Diene Monomer (EPDM)
VBS200VT-PP N/A 2 Inch (in) National Pipe Thread (NPT) Polypropylene (PP) Vacuum Breaker with Fluorocarbon (FKM) Seal N/A 2 in N/A National Pipe Thread (NPT) N/A Polypropylene (PP) N/A Fluorocarbon (FKM)
VBS200EPT-PP N/A 2 Inch (in) National Pipe Thread (NPT) Polypropylene (PP) Vacuum Breaker with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 2 in N/A National Pipe Thread (NPT) N/A Polypropylene (PP) N/A Ethylene Propylene Diene Monomer (EPDM)
VBS300VT-PP N/A 3 Inch (in) National Pipe Thread (NPT) Polypropylene (PP) Vacuum Breaker with Fluorocarbon (FKM) Seal N/A 3 in N/A National Pipe Thread (NPT) N/A Polypropylene (PP) N/A Fluorocarbon (FKM)
VBS300EPT-PP N/A 3 Inch (in) National Pipe Thread (NPT) Polypropylene (PP) Vacuum Breaker with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 3 in N/A National Pipe Thread (NPT) N/A Polypropylene (PP) N/A Ethylene Propylene Diene Monomer (EPDM)
VBS400VT-PP N/A 4 Inch (in) National Pipe Thread (NPT) Polypropylene (PP) Vacuum Breaker with Fluorocarbon (FKM) Seal N/A 4 in N/A National Pipe Thread (NPT) N/A Polypropylene (PP) N/A Fluorocarbon (FKM)
VBS400EPT-PP N/A 4 Inch (in) National Pipe Thread (NPT) Polypropylene (PP) Vacuum Breaker with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 4 in N/A National Pipe Thread (NPT) N/A Polypropylene (PP) N/A Ethylene Propylene Diene Monomer (EPDM)
VBS150VT-PF N/A 1-1/2 Inch (in) National Pipe Thread (NPT) Polyvinylidene Fluoride (PVDF) Vacuum Breaker with Fluorocarbon (FKM) Seal N/A 1-1/2 in N/A National Pipe Thread (NPT) N/A Polyvinylidene Fluoride (PVDF) N/A Fluorocarbon (FKM)
VBS150EPT-PF N/A 1-1/2 Inch (in) National Pipe Thread (NPT) Polyvinylidene Fluoride (PVDF) Vacuum Breaker with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 1-1/2 in N/A National Pipe Thread (NPT) N/A Polyvinylidene Fluoride (PVDF) N/A Ethylene Propylene Diene Monomer (EPDM)
VBS200VT-PF N/A 2 Inch (in) National Pipe Thread (NPT) Polyvinylidene Fluoride (PVDF) Vacuum Breaker with Fluorocarbon (FKM) Seal N/A 2 in N/A National Pipe Thread (NPT) N/A Polyvinylidene Fluoride (PVDF) N/A Fluorocarbon (FKM)
VBS200EPT-PF N/A 2 Inch (in) National Pipe Thread (NPT) Polyvinylidene Fluoride (PVDF) Vacuum Breaker with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 2 in N/A National Pipe Thread (NPT) N/A Polyvinylidene Fluoride (PVDF) N/A Ethylene Propylene Diene Monomer (EPDM)
VBS300VT-PF N/A 3 Inch (in) National Pipe Thread (NPT) Polyvinylidene Fluoride (PVDF) Vacuum Breaker with Fluorocarbon (FKM) Seal N/A 3 in N/A National Pipe Thread (NPT) N/A Polyvinylidene Fluoride (PVDF) N/A Fluorocarbon (FKM)
VBS300EPT-PF N/A 3 Inch (in) National Pipe Thread (NPT) Polyvinylidene Fluoride (PVDF) Vacuum Breaker with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 3 in N/A National Pipe Thread (NPT) N/A Polyvinylidene Fluoride (PVDF) N/A Ethylene Propylene Diene Monomer (EPDM)
VBS400VT-PF N/A 4 Inch (in) National Pipe Thread (NPT) Polyvinylidene Fluoride (PVDF) Vacuum Breaker with Fluorocarbon (FKM) Seal N/A 4 in N/A National Pipe Thread (NPT) N/A Polyvinylidene Fluoride (PVDF) N/A Fluorocarbon (FKM)
VBS400EPT-PF N/A 4 Inch (in) National Pipe Thread (NPT) Polyvinylidene Fluoride (PVDF) Vacuum Breaker with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 4 in N/A National Pipe Thread (NPT) N/A Polyvinylidene Fluoride (PVDF) N/A Ethylene Propylene Diene Monomer (EPDM)
VBS150VS-PV N/A 1-1/2 Inch (in) Socket Polyvinyl Chloride (PVC) Vacuum Breaker with Fluorocarbon (FKM) Seal N/A 1-1/2 in N/A Socket N/A Polyvinyl Chloride (PVC) N/A Fluorocarbon (FKM)
VBS150EPS-PV N/A 1-1/2 Inch (in) Socket Polyvinyl Chloride (PVC) Vacuum Breaker with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 1-1/2 in N/A Socket N/A Polyvinyl Chloride (PVC) N/A Ethylene Propylene Diene Monomer (EPDM)
VBS200VS-PV N/A 2 Inch (in) Socket Polyvinyl Chloride (PVC) Vacuum Breaker with Fluorocarbon (FKM) Seal N/A 2 in N/A Socket N/A Polyvinyl Chloride (PVC) N/A Fluorocarbon (FKM)
VBS200EPS-PV N/A 2 Inch (in) Socket Polyvinyl Chloride (PVC) Vacuum Breaker with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 2 in N/A Socket N/A Polyvinyl Chloride (PVC) N/A Ethylene Propylene Diene Monomer (EPDM)
VBS300VS-PV N/A 3 Inch (in) Socket Polyvinyl Chloride (PVC) Vacuum Breaker with Fluorocarbon (FKM) Seal N/A 3 in N/A Socket N/A Polyvinyl Chloride (PVC) N/A Fluorocarbon (FKM)
VBS300EPS-PV N/A 3 Inch (in) Socket Polyvinyl Chloride (PVC) Vacuum Breaker with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 3 in N/A Socket N/A Polyvinyl Chloride (PVC) N/A Ethylene Propylene Diene Monomer (EPDM)
VBS400VS-PV N/A 4 Inch (in) Socket Polyvinyl Chloride (PVC) Vacuum Breaker with Fluorocarbon (FKM) Seal N/A 4 in N/A Socket N/A Polyvinyl Chloride (PVC) N/A Fluorocarbon (FKM)
VBS400EPS-PV N/A 4 Inch (in) Socket Polyvinyl Chloride (PVC) Vacuum Breaker with Ethylene Propylene Diene Monomer (EPDM) Seal N/A 4 in N/A Socket N/A Polyvinyl Chloride (PVC) N/A Ethylene Propylene Diene Monomer (EPDM)
Unit of Measure
1 2 3 4 5