ACTUATOR FOR SLIDE VALVES

An actuator for a fluid catalytic cracking unit slide valve is disclosed. It comprises a hand-operated wheel (30) operatively connected to a first threaded drive shaft (26) and a second threaded drive shaft (28) such that turning the hand-operated wheel (30) causes the first threaded drive shaft (26...

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Bibliographische Detailangaben
Hauptverfasser:	MEADOWS, Jeremy Lynn, MCCORKLE, Eric Dewayne
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	An actuator for a fluid catalytic cracking unit slide valve is disclosed. It comprises a hand-operated wheel (30) operatively connected to a first threaded drive shaft (26) and a second threaded drive shaft (28) such that turning the hand-operated wheel (30) causes the first threaded drive shaft (26) and the second threaded drive shaft (28) to rotate; a traveling block (24) having an engagement system encompassing the first threaded drive shaft (26) and the second threaded drive shaft (28).