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The Check Valve
The check valve is designed to prevent backflow. Fluid flow in the desired direction opens the valve, while backflow forces the valve closed.

The Pressure Relief Valve
The pressure relief valve is designed to provide protection from over-pressure in steam, gas, air and liquid lines. The valve “lets off steam” when safe pressures are exceeded, then closed again when pressure drops to a preset level.

This entry was posted on Wednesday, September 26th, 2007 at 5:54 pm and is filed under Pressure Relief Valve, Check Valve. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.