Straight valve
AssigneeBurkert Werke GmbH & Co.
InventorGerhard Hettinger
Life of this patent
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Abstract
A direct-acting pressure-balanced linear valve (1) is provided with a hollow, displaceable sealing tube (19) which has a valve seat (20) and a valve body (49) having a valve seat seal (21). A drive unit (7) is arranged outside the media flow on one side and next to the sealing tube (19). A toothed segment (15) at an extension lever (14) of the drive unit (7) engages with a toothed segment (18) at the sealing tube (19). The drive unit (7) may be detached from the fluidic housing (2) without interruption of the media flow.
Claims14
A direct-acting pressure-balanced linear valve (1) for media flow therethrough, comprising a fluidic housing (2) having therewithin a hollow, displaceable sealingtube (19) provided with a valve seat (20) and a valve body having a valve seat seal (21), as well as a drive unit (7) engaging with the sealing tube (19), wherein the drive unit (7) is arranged as a separate unit outside the media flow within said valve said drive unit (7) being positioned next to the sealing tube (19) and coupled thereto by means of detachably intermeshing transmission means (15, 18), so that the drive unit (7) may be detached from the fluidic housing (2) without interruption of the media flow.
Dependencies are inferred from the claim text.