Tankwagon Couplings are produced to DIN28450 and are widely used on European tanker fleets. Tankwagon coupling consists of a male half sometimes referred to as the 'MK' part, together with a female half or 'VK' part. Tank Wagon couplings are locked together by a turn of the couplings and then secured by a locking handle. These are available in iron in sizes 2”,3”&4”. Blank caps & plugs are also available to compliment this range.