SAFETY DEVICE FOR A LINEARLY ACTUATED PROCESS VALVE
The invention relates to a safety device (10) for a linearly actuated process valve (30) and to a system comprising the safety device (10). The safety device (10) comprises: a housing (1); a piston rod (3) which is mounted in the housing (1) so as to be linearly displaceable and can be connected to...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | The invention relates to a safety device (10) for a linearly actuated process valve (30) and to a system comprising the safety device (10). The safety device (10) comprises: a housing (1); a piston rod (3) which is mounted in the housing (1) so as to be linearly displaceable and can be connected to the process valve; and a piston (4) which is connected to the piston rod (3). Furthermore, at least one spring (6) is located in the housing (1) of the safety device (10), said spring being clamped between the piston (4) and an end face (1b) of the housing (1). The safety device (10) also has a first mechanical interface (2, 2a) by means of which said safety device can be detachably connected to a linear actuator (20). |
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