It is a part of Mechanical System of Tanker, the quantity of the handles can be made according to the users' demand.One piece of handle controls one piece of mechanical valve, easy To be operated. It can be connected with GY-677 Handier when the emergency happens to do the remote control. Fusible Sheet is in the handle, when the temperature is higher than 75 degree. the handle will automatically be closed.

 1. Automacically Limitation

    When the handles are in the right position,it will automatically limited,no need to fix it .

2. Automatically Returning

   When the temperature is too high,the opened handles will automatically return back to the closed position.