Shop All | Liquid and Gas Sampling | Manifolds and Valves | Mini Valves | All Liquid and Gas Sampling Manifolds and Valves Mini Valves DOT 3E & SP-16195 316 Stainless Steel Sample Cylinders (1800 psi) Constant Pressure Sample Cylinder Outage Tubes NRS Valve Only NRS Valve with Outage Tube and Mini Relief Valve NRS Valve with Outage Tube and Rupture Disc NRS Valve with Relief Valve NRS Valve with Rupture Disc Cylinder Carrying Handles Rupture Disc Only Mini Valve Only