http://www.voss-fluid.com In addition, the VOSSPlug system must be protected from large external forces against the direction of pressure in order to avoid damage to the locking elements. Forces < 1,000 N for [...] loosened in three steps: 1. Open the lock using a standard screwdriver. 2. Move the plug by about 3 mm against the direction of pressure or “overinsert” it. This cancels the 360° fixation of the retaining element [...] accordance with the technical delivery conditions as per DIN 3859-1. They are optimally protected against corrosion as standard with the VOSS coat finish. The VOSS corrosion protection is based on a zinc-nickel