S30) VOSS coat ensures optimum assembly torques. Assembly torque, in Nm conventional zinc-nickel base coat zinc base coat VOSS coat assembly distance (angular) end of assembly process VOSS coat finish c [...] optimized tube cuts Highest corrosion-protection with VOSS coat BLACK VOSS coat BLACK Since 2007, VOSS has been setting standards with VOSS coat, the zinc-nickel-based surface, now also used with the VOSSRingM [...] weld tube connection stubs). VOSS coat corrosion prevention is based on a zinc-nickel base coat, a passivation layer and normally a top sealing coat. The union nuts are also given a coating of lubricant/slip