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                                    %u25a0 Control device to maintain a constant pressure state by injecting N2 gas, that is, inert gas  to upper room of the tankEMERGENCY RELIEF HATCH - KSRH%u25a0 A device for release the internal pressure with opening the cover by rupturing of tension rod when  overpressure reaches more than allowable operating pressure by increasing of internal pressure of vessel%u25a0 Unlike general emergency venting device, it sets the required pressure by tension rod, and because it uses  sealing diaphragm, it has excellent sealing capacity compared with the existing weight type, oil seal type  and spring type%u25a0 Also, in case of oil seal type it has somewhat lower reliability because its setting pressure is not uniform  by the difference of oil viscosity depending on temperature EMERGENCY RELIEF HATCH - KSRH%u25a0 Excellent sealing capacity and any leakage is not permitted%u25a0 Diaphragm is built in for sealing%u25a0 Available on LNG ship and ground tank mainly%u25a0 Possible to lower set pressure%u25a0 Maintenance cost is low because it is possible to reset by replacing some parts after rupturingFDC BROCHURE | 38 | 39 |Features
                                
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