Aldrich^® SAFE-PURGE^™ valve 

The Aldrich SAFE-PURGE^™ valves provide for safe, high-performance operation. Both the manual and automatic spring-loaded styles feature a durable PTFE metering valve.
• Quick and efficient purging of reaction vessel which conserves expensive purge gases
• Safely vents toxic gases from built-in oil bubbler

Used with purge gas pressure greater than 5 psi. Should any oil pass the check valve, the spring-loaded plug will prevent any oil or air from entering the system.

Aldrich is a registered trademark of Sigma-Aldrich Biotechnology LP and Sigma-Aldrich Co.

SAFE-PURGE is a trademark of Sigma-Aldrich Biotechnology LP and Sigma-Aldrich Co.