Image API Load/Unload Valve Markets Refining, Rail Tank Cars, Rail Tank Cars, Petroleum Cargo Tanks Jump to Section Product Options Related Products Product Options Part Number Length Seal Material 5204 7" Baylast™ Aluminum 5204C 7" Baylast™ Aluminum 5204NGC 7" Baylast™ Aluminum 5204NGV 7" FKM Aluminum 5204SNG 7" Baylast™ Aluminum 5204SFI-P 8.81" Baylast™ Aluminum Related Products Image API Drop Adapter Image API Load & Load/Unload Valve Repair Kits Image API Load Only Valve Image API Two-Piece Drop Adapter with Sight Glass Image Railroad Unloading Assemblies Image TTMA Flange Gasket