Model No: 102
ERGIL Storagetech™’s Model 102 Pressure-Vacuum Relief Valve with Integrated End-of-line Flame Arrestor provides total security of mind to operators of storage tanks. The Model 102 ensures protection against damage through over-pressurisation, implosion due to vacuum conditions, and prevents any external flame entering the tank.
In the closed position the pressure relief pallet and diaphragm assembly is held tightly against a seal to prevent the loss of vapour to atmosphere. As the internal pressure in the tank increases, due to product filling and vapour development, the pressure in tank increases and in the event that the set pressure of the unit is reached, the diaphragm will open and discharge the gas to atmosphere. The opening set-point is selectable from a range between 1 and 28.1 W.C. (2.5 and 70 mbar), and the valve will reseal when the tank returns to a safe pressure.
The vacuum pallet and diaphragm assembly is similarly maintained in the closed position. As the internal pressure in the tank reduces, due to emptying, the balance between the tank pressure and the external atmospheric pressure changes, and when the set pressure of the unit is reached, the diaphragm opens to admit air and rebalance the internal pressure. The vacuum set-point is selectable from a range between 1 and 28.1 W.C. (2.5 and 70 mbar). The valve will reseal when the tank returns to a safe pressure.
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