 | | | Suction device The task here was the replacement of mechanical mushroom-headed anchor screws made from special steel with easily operated sealing/closing elements, prevention of impact-type decompression of the tank contents in the event of operating errors as well as realization, through development, of hydraulically opening pressure suction seals/locks.
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| | Advantages: The closing force is provided by plate springs. If the internal pressure is exceeded, slow release of the overpressure. The elements connected to the flange are related to the standard mushroom-headed anchor screws, which obviates the reconstruction of the existing suction devices. The pressure suction devices are released hydraulically, whereby the closing force is relieved gradually and continuously over the whole circumference of the pressure suction device.
Pressure suction sealing devices are made completely from special steel
Hydraulic operating pressure p = 180 bar
Closing force per device = 25 kN
Creation of the hydraulic pressure with pneumatic-hydraulic booster.
Pneumatic pressure = 4 bar
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