Vacuum Relief Vent 3" Swivel 407/412 With Ports
                    Unit of Measure
                    
               
        
            | Package Type | N/A Each | 
| Units Per Package | N/A 1 | 
| Size | N/A 3 " | 
| Vendor Item # | N/A RVV3ST | 
| Weight | N/A 7 lb | 
| Mounting | N/A Swivel Nut | 
| Manufacturer | N/A Betts | 
| Betts # | N/A RVV3ST | 
| Girard # | N/A 3X407MVBTT | 
| Elastomer | N/A PTFE | 
| Features | N/A 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. 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. | 
 
									  