易熔塞是利用装置内的低熔点合金在较高的温度下即熔化、打开通道使气体从原来填充的易熔合金的孔中排出来泄放压力，其特点是结构简单，更换容易，由熔化温度而确定的动作压力较易控制。
... Fusible metal plug 易熔金属塞 Drain Fusible Plug 易熔塞 safety fusible plug 易熔安全塞 ...
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本实用新型涉及一种液体容器的超温、超压安全保护易熔塞。
The utility model relates to a spraying proof fusible plug, which is used for the security protection of a liquid container in the conditions of overtemperature and overpressure.
在钢瓶暴露于火或其它的过热源的情况下，易熔塞熔化，钢瓶释放出内容物。
In the event a cylinder is exposed to fire or other sources of excess heat, the fusible plug is designed to melt and release the cylinder contents.
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