Portable Gauging/Sampler Ball Valve Home / Products / Portable Gauging/Sampler Ball Valve Category: Cargo Gauging Products Coming Soon Details Vapor Control Valves Specs Flexi-Dip Specifications Vapor Control Valves Features Related Products RSA Temperature Gauge w/SS Housing VHSG – Vent Header Sight Glass ERL Model SGMRD-8 8” Round Scraper Sight Glass 4″ Round Sight Glass Draft Marks/Overfill Tabs DS-39 Rising Stick Gauge Radial Arm Gauge Tree 8” Round Sight Glass Full View SGM-2 Clamshell Marine Sight Glass Full View SGM-1 Marine Sight Glass