Spring Loaded Pressure Relief Valves

Crosby Style JOS-E/JBS-E pressure relief valves have been selected for installation because of their performance features,

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 reliability and ease of maintenance.
Adherence to the installation and maintenance procedures specified herein will provide the utmost in safety, a minimum of maintenance, and a long service life. Crosby Style JOS-E, JBS-E and JLTE Valves are manufactured in accordance with the requirements of Section VIII Pressure Vessels, ASME Boiler and Pressure Vessel Code. Style JOS-E is a conventional closed bonnet valve. Style JBS-E has a balanced bellows for minimizing the effect of back pressure. 
Style JLT-E is a high performance valve designed specifically for liquid service. The JLT-E features patented contoured liquid trim in a standard JOS-E/JBS-E envelope.