Glass Vacuum Flow Control Adapter with Side PTFE Stopcock

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About this item Flow Control: the adapter used to regulate the flow of gases or liquids into reaction systems by rotating PTFE stopcock under vacuum Joint & Hose Compatibility: the adapter features an inner joint and an outeer joint; joint size: 14/20 (19/22 / 24/40); hose fittings for 8 mm I.D. vacuum tubing Material & Thermal Stability: made of borosilicate glass, it exhibits excellent corrosion resistance and a low coefficient of thermal expansion; stable operating temperature: 450 °C Usage Precautions: inspect the product for cracks before use; instantaneous temperature changes must not exceed 140 °C Warranty: 1-year limited manufacturer warranty for peace of mind Show more