The Betts’ Guardian^TM 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.

• Compact Optimized Flow Design
• 316 Stainless Steel construction
• Teflon seals and wear components
• Seal tabs on shroud and swivel nut for security measures.
• Simple In-place Maintenance
• Available ECTFE (Halar®) coated.
• Multiple sizes and mounting options
• Multiple seal options
• Vibration damping design
• 1” NPT and ¼” NPT mounting ports
• 3″ and 4″ NPS Swivel connection

Seal Kit part number: SK-RV VT*

*Mounting gasket not included in seal kit

Spanner wrench part number: 75825EY

For additional information on Betts products and Proposition 65 list please see: https://www.bettsind.com/proposition-65/