Betts Guardian Valve in stock at Littlejohn
The Betts’ GuardianTM combination valve is a spring loaded reclosing pressure and vacuum relief device for use on a cargo tank’s primary pressure relief and vacuum relief systems. The combination relief valve is designed, tested and marked in accordance with 49CFR §178.345-10, 49CFR §178.347-4 and 49CFR §178.348-4.
Enclosed photo is the RSV3ST-25 combo pressure/vacuum valve. 3" stainless steel swivel with 25 PSI vacuum breaker.
- Compact, optimized flow design.
- 316 Stainless Steel construction.
- Teflon seals and wear components.
- Safety Stop Screw to help prevent accidental unthreading of housing.
- Seal tabs on shroud for security measures.
- Simple In-Place Maintenance.
- Available ECTFE (Halar®) coated.
- Multiple sizes and mounting options.
- Multiple seal options.
- Vibration damping vacuum vent.
Coast to coast tank trailer parts from Littlejohn. 1-800-828-6555