A Subject to change without prior notice 7 March 2021 Vacuum technique • KF Clamping ring FL-Optimal KE with half shells of plastic for flanges of glass • KF Clamping ring FL-Record with die-cast half shells of aluminium There are also many parts such as flexible KF hoses or KF spring bodies which are used, for example, to dampen vibrations on pumps. In addition, tubular spring vacuum meters can be used as a reliable indicator. KF sleeve grinds and KF core grinds are available for laboratory applications. KF Small flange pipe connections DIN 28403 + ISO 2861 made of glass KF small flange connections made of glass can be easily cleaned because of its smooth surface and therefore they are good for use in applications requiring high standards of purity. Blind flanges can also be used as sight glasses. This makes it possible to perform measurements with IR, UV or visible light. Therefore, small flanges made of glass are often used in chemical and physical laboratories. They are also used for high-frequency and microwave supported applications. KF components made of glass can also be used for electric isolation. In assembly, the plastic inner, outer or adapter centring rings are arranged with the O-ring between the two flanges so that the flanges are coaxially centred. Then the clamping ring which is also made of plastic is placed around the flanges and closed until the end faces of the flanges are touching the centring ring. In case of vibration, make sure that spring bodies are used for uncoupling. ISO-K Clamping flange pipe connections DIN 28404 + ISO 1609 The ISO-K clamping flange pipe connections are used especially in the high-vacuum technology. They are also suited for gaseous and liquid media. Preferential fields of application are research institutes, laboratories, semiconductor industry, laser and nuclear technology. ISO-K clamping flanges are installed mainly in high vacuum systems with nominal size from DN63 to DN 250 and sometimes up to DN630. For the connection, the ISO-K inner centring ring is positioned with the ISO-K O-ring and the ISO-K outer support ring between the two clamping flanges. The clamping flanges and the inner centring ring are therefore coaxially force-centred. The connection is screwed with at least 4 ISO-K clamping screws. ISO-K clamping flange connections are offered at LINNEMANN in nominal size range DN63 to DN630. The corresponding ISO-K parts are available in addition to the clamping flanges for plant constructions. • ISO-K Angles • ISO-K Bends • ISO-K Adapter • ISO-K Cross pieces • ISO-K T-pieces • ISO-K Reducing pieces For connecting ISO-K f langes, either ISO-K clamping screws or ISO-K claws are used with which connection can be screwed to a base plate etc. ISO-K / KF adapter pieces are available for adaption of KF flanges. The termination can be made with ISO-K blind flanges and ISO-K sight glasses can be used for process inspection. Vibrations are absorbed by the ISO-K spring bodies, flexible connections are achieved with ISO-K metal hoses. ISO-K fittings are available in different versions: • ISO-K Bellow seals angle valves • ISO-K Butterfly valves • ISO-K Ball valves ES
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