The installation and maintenance of safety pressure relief device for seamless steel gas cylinder shall comply with the provisions of corresponding standards. And shall meet the following requirements:
(1) No stop valve shall be installed between the safety pressure relief device of steel seamless gas cylinder and the gas cylinder. As well as the outlet side of the pressure relief device. Nor other parts that hinder the normal operation of the device:
(2) Before filling steel seamless gas cylinders. Carefully check whether the safety relief device has corrosion. Damage or other external defects. Whether the channel is blocked by sand, paint or dirt. Whether the fusible plug is loose or detached. And when there are problems that may cause the device to fail to operate normally. Tthe gas cylinders shall not be filled:
(3) The safety valve on the gas cylinder shall be cleaned, inspected and calibrated regularly:
(4) The bursting disc device shall be replaced regularly (except welded insulated gas cylinder and non refilled gas cylinder). The whole set of assembled bursting disc device shall be replaced in complete set. The service life of bursting disc shall comply with relevant regulations or be determined by the manufacturer. But it shall not be less than the periodic inspection cycle of gas cylinder:
(5) Professional personnel shall replace the safety relief device of gas cylinder according to the provisions of corresponding standards.
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