Betts 4 in. Guardian Vacuum Breaker w/ PTFE Seals & NPS Swivel Connection

SKU:
BTRVV4ST
Manufacturer:
Betts
Size:
4 in.
Weight:
5.90 LBS
$835.66
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The Betts’ GuardianTM vacuum breaker is a spring loaded reclosing vacuum relief valve for use on a cargo tank’s vacuum relief system. The vacuum breaker is designed, tested and marked in accordance with 49CFR §178.345-10, 49CFR §178.347-4 and 49CFR §178.348-4.

Features

  • Compact optimized flow design
  • Seal tabs on shroud and swivel nut for security measures.
  • Simple in-place maintenance
  • Vibration damping design

Specifications

  • Size: 4 in.
  • Connection: Swivel NPS
  • Material: 316 Stainless steel
  • Seal Material: PTFE
  • Set Vacuum: 1.5 PSIG
  • 1 in. NPT and ¼ in. NPT mounting ports
  • Temperature Range: -40°F - 400°F (-40°C - 204°C)
  • Flow: 18,000 SCFH @ 3.0 PSIG