Press type gas bag （Fixed speed）patent number: CN 20092025418.0
The gas bag is also called “gas spacer”、”air spacer”、”BJQ”、”blast bag”、”bore hole plug”、”spacing charging” etc.
 
The valve of discharge is opened manually outside the hole, and the unique design guarantees the reliability of the valve discharge.

Pressing Type Gas Bag （Fixed Speed）Operate Instruction
Steps:
1, Opening the rope and straightening it out. Operator need determine the number of depth meters placed on the traction rope and mark it(red is 5 meters, blue is 10 meters, yellow is 15 meters, and the middle black mark is 1 meter apart); Refer to picture 1.
2, Pressing down the open button and quickly put it into the hole until the predetermined depth Mark is reached; Refer to picture 2 and 3.
3, Shaking the traction rope with your hands until you feel that the traction rope has been strained, and the gas bag has expanded to no longer fall down, installation complete. Refer to picture 4
4, Continue with other operations such as filling、blocking off、blasting. Refer to picture 5