Slide valve and use of a slide valve
AssigneeZ & J Technologies GmbH
InventorsRobert Pütz, Markus Gandelheidt, Paulus Friedhelm, Sebastian Buzga
Life of this patent
Estimating the term…
Abstract
A slide valve for chemical and/or petrochemical plants, in particular of the round, oval or flat slide valve type, having a locking device (11) which is movable by a slide rod (12) into an open and closed position, and a drive which has an electric motor (13) for adjusting the slide rod (12), the locking device (11) having two lock plates (14, 15), between which a wedge arrangement (16) for pressing the lock plates (14, 15) against body seal seats (17) of the slide valve is arranged and connected to the slide rod (12), wherein the drive has a spindle drive (18) which is aligned with the slide rod (12) and connected thereto for transmitting an actuating force.
Claims10
A slide valve comprising:
- a slide rod configured and arranged to move a locking device into one of an open or closed position;
- a drive having an electric motor configured to adjust the slide rod;
- and
- two lock plates of the locking device between which a wedge arrangement is configured and arranged to press the lock plates against body seal seats of the slide valve such that the lock plates are spread apart by the wedge arrangement in the closed position, wherein the wedge arrangement is connected to the slide rod, and wherein the drive has a spindle drive aligned with the slide rod and connected thereto to transmit an actuating force, wherein the spindle drive has a spindle releasably connected to the slide rod via a coupling piece, wherein the wedge arrangement has two wedge pieces which are centered by a ball located between the wedge pieces, wherein the electric motor is a brake motor with a mechanical brake and includes a clutch for torque limitation.
Dependencies are inferred from the claim text.