Catalog

Pressue Relief/Vacuum Combo Vent 4" NPSF 25 PSI
Unit of Measure

Package Type

N/A Each

Units Per Package

N/A 1

Size

N/A 4 "

Vendor Item #

N/A RVC4NT-25

Weight

N/A 16.5 lb

Mounting

N/A NPSF Pipe Thread

Pressure

N/A 25 psi

Manufacturer

N/A Betts

Betts #

N/A RVC4NT-25

Girard #

N/A DOT407LTWV

Elastomer

N/A PTFE

Features

N/A The Betts’ GuardianTM NPSF threaded 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. 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. Sinple In-Place Maintenance. Available ECTFE (Halar®) coated. Multiple sizes and mounting options. Multple seal options. Vibration damping vacuum vent.