| 摘要 |
1,138,885. Pressure-relieving devices. SOC. LE CARBONE-LORRAINE. 14 Nov., 1966 [12 Nov., 1965; 3 March, 1966], No. 51014/66. Heading F2V. A bursting disc for high temperature or corrosive fluids comprises an impermeable and chemically resistant membrane 4 of vitreous carbon on the pressure side, backed by a rupturable resistance plate 5 of graphite or amorphous carbon. Packing rings 1, 6 are interposed between the device and pipe flanges 2, 7. The plate 5 may have a weakening groove to provide a well defined opening on rupture. |
