This series of products are suitable for use in workshops where is filled with explosive mixture of inflammable gases,steam and air listed in the table below.They can ensore ufficient safety.

• 本系列产品适用于当厂房内充有表1规定的可燃性气体、蒸气与空气形成的爆炸性混合物时使用，保证足够安全可。