m advance to the connector hold positon with minimum pumping action.
3. Automatic retraction when the pressure reaches 700kg/cm2 (12T)reached.
4. The glass fiber operation insulates the stick, can bear the electric voltage 200KV, keeping on the minute.
5.180 Rotatable head.
6. The pressure outside the body adjusts to press the valve, don T need the whole structure to lie down.