Superac Model III 12″ Round Marine Safety Relief

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• AUTOMATIC OPERATION
  The Superac 12” round Marine Safety Relief Valve (Spill Valve) is designed to operate automatically with a set point repeatability of 3%. This valve was designed and built to withstand the most severe marine service and cargos. Should an overfill or over pressurization occur, this valve will automatically open sufficiently to relieve cargo at a flow rate equal to the overfill rate. This will maintain safe working pressure within the cargo compartment being protected. When the overfill condition abates, the valve will automatically close and reseal. In addition to overfill protection, this valve also protects the cargo compartment from over pressurization which can occur if the vent header piping becomes blocked or if a P-V Valve does not open.
• SIMPLE WEIGHT OPERATED DESIGN
  Our exclusive weight operated design with non linear closure force affords increased flow rates at reduced pressure drops. This valve has very few parts and virtually no maintenance requirements except for the resilient vapor seal.