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FR2420079A1
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Baffle ring assembly for valve - has radial ribs locating in channels in ring below causing fluid to follow undulating path
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FR2394000A2
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Butterfly valve with PTFE seat - which is deformed to allow valve to open or shut
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FR2382639A1
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Noise damper for control and regulation valve - has flow split into two stages of constricted cross-section with noise damping walls
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FR2356858A1
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Double seat valve with dual sealing spring - has coil spring moving over centre to operate valve closure and resistant to pressure fluctuations
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FR2354498A1
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Butterfly valve with eccentric spindle - has flexible metal sealing lip attached to valve body and secured by clamping ring
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FR2306390A1
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Sleeve insert for regulating fluid flow in valve - has rings at ends of recessed member with apertures around circumference
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ES425028A1
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Gate valves with elastic seals
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DE2319704A1
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MANUAL OPERATING DEVICE FOR CONTROL VALVES
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DE2232800A1
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VALVE, IN PARTICULAR DOUBLE SEAT VALVE, WITH ELASTIC SEALING MEMBER
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US3779271A
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Valves with replaceable packing
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DE2213502A1
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VALVE, IN PARTICULAR DIPPLE SEAT VALVE, WITH ELASTIC SEAL
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