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DE3142040A1
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Shut-off flap or non-return flap
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DE2836141A1
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Disc assembly for valve - is divided along chordal lines with bearing bosses on thicker side sections welded to thin central section
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DE2735607A1
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Safety valve for butterfly valve actuator - has sprung piston throttle preventing pipe closure upon sudden failure of hydraulic pressure
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DE2607838B1
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Wedge for fixing wheel to shaft - has pin with sloping head matching inclined flat on shaft
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DE2607619A1
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Hinged valve plate for butterfly valve - has pressed and welded sheet metal components with diametrically opposed location pockets
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DE2406341A1
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Two way poppet valve with bellows seal - has poppet shrouded in a tubular deformable bellows to isolate activation chamber
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DE2357018A1
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System for sealing valve components - has folding bellows with circular disc elements on valve stem sleeve retaining bellows shape
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