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Pilot Operated Relief Valve (Vacuum Diaphragm Pilot)
L&J Technology, Shand & Jurs, Tank Fittings, Flame Arrestors, Valves & ACC, Tank Valves, Tank ValvesDesigned to meet very specific vacuum needs. The high accuracy of the valve allows the vacuum to be set between -3" of water column pressure and -5 psig using sensitive springs for discrete ranges. The valve operates as follows.