This Chemglass AF-0306-03 Airfree® Schlenk thermocouple gauge adapter is the #30 O-ring joint version for Chemglass air-free vacuum manifold systems. The adapter features a 0-12 mm Chem-Vac™ Chem-Cap® valve with O-ring joint connection, a glass adapter body, stainless steel bushing drilled/tapped for 1/8 in. NPT gauge-tube connection, and an open-top GL-25 screw cap. Designed for connecting a compatible thermocouple vacuum gauge tube directly to Chemglass Airfree® Schlenk manifold assemblies, including the right-hand side of AF-0300-03 style manifolds. Useful for inert-atmosphere synthesis, Schlenk-line work, vacuum/inert gas manifold monitoring, and air-sensitive chemistry setups. Gauge tube, manifold, O-rings, and additional accessories are not included unless specifically pictured.
