4" NPT VBS PVC Diaphragm Vacuum Breaker with FKM Seals

Item 88311
2078/Each

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Overview

These valves protect enclosed tanks from collapse or structural damage during draining. They also eliminate the siphoning of dangerous fluids and prevent vacuuming, which can cause damage to sensitive instruments and filters.

  • PVC
  • FKM seals
  • Features a corrosion-resistant PFA encapsulated spring that acts on a poppet seal
  • Dependable, repetitive, bubble-tight sealing
  • Only one moving part – the patented self-sealing diaphragm
  • Normally-closed design
  • Begin to break a vacuum at approximately 2" Hg (1.0 psi or 0.07 Bar negative pressure)
  • Threaded connections
  • Maximum pressure: 100 psi @ 75°F
  • Maximum temperature: 140°F

Item Information

Item Number: 88311
Catalog Page Number: P-491
Manufacturer: Plast-O-Matic
Manufacturer Part #: VBS400VT-PV
Country of Origin: USA

Tech Specs

Weight: 15 lbs
WARNING: Cancer - www.P65Warnings.ca.gov

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