The leaking needle is used for testing the geomembrane
welding seams quality. The working principles is filling the pressurized air in the cavity
between the two geomembrane welding seams, if the pressure gauge pointer doesn’t
move for a certain time, the welding seams quality is reliable.
It is easy to operation, convenient to carry and reliable detection, especially suitable for
geomembrane welding seams test at the construction sites.