Leaks occurring at the cylinder valve's pressure relief device, diaphragms, or valve to the cylinder connection cannot be repaired.
发生在钢瓶阀门的减压装置、横膈膜或阀门到钢瓶的接头处的泄露不能维修。
2
The heat source must not directly heat the container valve since the valve, connection, and relief device components can be damaged by excessive temperatures.