pressure relief valve


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pressure relief valve

In a pressure tank for water storage, a pressure-actuated safety valve that is designed to open and relieve pressure automatically if the pressure within the tank exceeds the value for which it was designed to operate safely.
References in periodicals archive ?
Pressure relief valves selected for protecting ASME-stamped vessels and equipment must be designed and constructed in accordance with the ASME Boiler and Pressure Vessel (B&PV) Code Section VIII Division 1 (UG-131) per Standard 15-2007, Section 9.4.2.
"In typical pneumatic systems, pressure is built at a constant rate, and pressure relief valves release the air once the system reaches the desired pressure," explains Nachtwey.
Inner and outer transfer chamber doors that pivot upward are counterbalanced and equipped with quick-latches and a pressure relief valve. A built-in blower with a speed control offers airflow from 13 to 100 CFM.
Ensuring durability, the various safeguards include an internal pressure relief valve, redundant motor temperature protectors, special DU bearings for long bearing life, superior oil management functionality, low-side pressure design and fully welded hermetic housing.
Counterbalanced, they are also equipped with quick-latches and a pressure relief valve. The 13-cu-ft interior of the main chamber meets Class 1 atmosphere conditions for leak rate per ISO 10648-2 test methods.
The flexible vinyl glove box provides a simple, sealed environment that is designed to be purged with any inert gas through the installed ball valve and pressure relief valve. Manufactured from durable PVC, the vinyl material enables superior ergonomics when compared to a rigid glove box.
The counterbalanced doors are also equipped with quick-latches and a pressure relief valve. The main chamber interior measures 13 cu.
Space-saving, counterbalanced inner and outer transfer chamber doors pivot upward and are equipped with quick-latches and pressure relief valve. The main chamber interior measures 13 cu ft, and the transfer chamber is 11.0" ID by 12.0".
Model HP features a pressure relief valve and fine adjustment for volume control better than 0.0015 psi (0.1 bar).