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    Propane Safety Relief Valve - Tank Pressure Relief

    • Relief valves are held in the closed position by the force of a powerful spring. As long as the pressure inside the tank is less than that of the spring, the valve will remain closed. If tank pressure rises to that of the spri… 展开

    Internal Pressure Relief Valve

    Most propane tanks in residential and commercial service have internal safety relief valves. The reason for an internal valve as opposed to an external pressure relief valve is it presents less of an obstruction whe… 展开

    External Pressure Relief Valve

    Found primarily on older tanks, external relief valves operate in the same manner as an internal relief valve with … 展开

    Important Pressure Relief Valve Information

    Because the safety relief valve performs such a vital role in the protection of the propane tank, it should be maintained and repaired by licensed propane professionals only. Do not ever look into a relief valve or stand over it. 1. … 展开

     
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