Abstract: Measuring and regulating valve assembly which includes a butterfly valve and a measuring flange, the measuring flange being situated upstream of the butterfly valve, the distance between the valve and the measuring flange being at least 0.6.times. the nominal passageway diameter, the assembly including a control box that has an adjustable stop that may contact a cam of a sleeve connected to an operating means whereby the maximum opening angle of the butterfly valve can be restricted in a reproducible manner, the sleeve being connected to the valve shaft.

Abstract: Fender system comprising at least one absorbing body of elastomer material, which can be secured directly or indirectly to a quay or a jetty, and a front plate which is parallel in essentially a vertical plane to the plane of the quay or the jetty, and is provided at the other side of the absorbing body, which front plate can come into touch with an object such as a ship moving towards the front plate, the front plate serving for distributing and transferring the loads exerted by this object on the absorbing body, the front plate being made of reinforced concrete so that it can be connected with other parts as e.g. sliding strips during and/or after the casting thereof.