Prevent explode lifter              

1.Prevent explode by: GB3836.1-2000 and GB3836.2 China government documents.

2.All of prevent explode motor grade and install ation request by IEC.

3.Prevent explode grade: ExdIIBT4 or more.

4.Capacity and size will made by your
  requirement.

All of the part is prevent explode.

  control box