Single Action Injection Gun
The spring inside the gun pull/push the rod forward and backward automatically. Users don’t need to open and close the gun when reloading the sealant. So that the injection is speeded up significantly.
Double Action Injection Gun
① Gun block ② piston ③ rod ④ coupling nut ⑤ Piston-front joint ⑥ piston-back joint ⑦ agent cavern ⑧ rider ring
Larger size and small size double action injection gun
It can inject 4 pcs of sealant at once.