Vega VEGASWING 61 Operating Instructions Manual

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Vega VEGASWING 61 Operating Instructions Manual Manual pdf 14 page image

144 MountingVEGASWING 61 • - transistor (NPN/PNP)29225-EN-1611254.2 Mounting instructionsVEGASWING 61 has a defined thread starting point. This meansthat every VEGASWING 61 is in the same fork position after beingscrewed in. Remove therefore the supplied seal from the thread ofVEGASWING 61. This seal is not required when using a weldedsocket with O-ring in front.Keep in mind that this welded socket is not suitable for coated instru-ment versions.Screw VEGASWING 61 completely into the welded socket. Thelater position can be determined already before welding. Mark theappropriate position of the welded socket. Before welding, unscrewVEGASWING 61 and remove the rubber ring from the welded socket.The welded socket has a marking (notch). Weld the socket with thenotch facing upward, or in case of pipelines (DN 32 up to DN 50),aligned with the direction of flow.1Fig. 7: Marking on the welded socket1 MarkingIn case of horizontal mounting in adhesive and viscous products,the surfaces of the tuning fork should be vertical in order to reducebuildup on the tuning fork. On the screwed version you will find amarking on the hexagon. With this you can check the position of thetuning fork when screwing it in. When the hexagon touches the seal,the thread can still be turned by approx. half a turn. This is sufficient toreach the recommended installation position.In the case of flange versions, the fork is aligned with the flange holes.When used in adhesive and viscous products, the tuning fork shouldprotrude into the vessel to avoid buildup. For that reason, socketsfor flanges and mounting bosses should be avoided when mountinghorizontally.If VEGASWING 61 is mounted in the filling stream, unwanted falsemeasurement signals can be generated. For this reason, mountVEGASWING 61 at a position in the vessel where no disturbances,e.g. from filling openings, agitators, etc., can occur.To make sure the tuning fork of VEGASWING 61 generates as littleresistance as possible to product flow, mount the sensor so that thesurfaces are parallel to the product movement.Welded socketAdhesive productsInflowing mediumProduct flow