DOT407LT-SVL PRESSURE RELIEF VENT JETVENT 4″ NPS SWIVEL WITH PORTS 25# MAWP
Our DOT407LT-SVL Pressure Relief Vent at 25# MAWP with 4″ NPS swivel connection was designed to allow easy positioning of air inlet assembly and or pressure gage. Increased flow rates to meet the most demanding needs of virtually any DOT 407 tank. Designed to be installed on a 4″ NPT pipe nipple and seals against a solid Teflon® ring gasket. Installed Height:8.7″ over the top of the pipe nipple.
The stainless steel valve seat seals on a Tef-O-Sil (Teflon® encapsulated O-Ring) compatible with all ladings for packing groups 1 & 2. The unit also meets the surge requirements of 178.345-10 (b) (3) (ii) 1 liter