Georg Fischer Rohrleitungssysteme Ag

Joerg Hunnekuhl

Juergen Stumpp

Markus Breyer

Timo Jaeckle

Stefan Buergi

Juergen Roesch

Walter Bannwarth

Christian Hunnekuhl

Novica Lalevic

Hand lever, preferably produced from plastics material, for operating a valve, preferably a butterfly valve or a ball valve, including a lever and a locking plate, wherein the lever comprises a locking element and a lever upper part, wherein a fastening element for fastening on a valve and for connection to the locking plate is arranged on the lever upper part and the locking plate comprises a receiving opening for receiving the fastening element, characterized in that the receiving opening is realized in an oval manner and the fastening element comprises a round cross-sectional area or the fastening element comprises an oval cross-sectional area and the receiving opening is realized in a round manner, wherein the oval and round contour of the receiving opening preferably comprises at least one recess or slot.

Hand lever

A paring and cutting tool, and a therewith associated method, for the stripping and paring of pre-insulated pipe ends, in particular of the outside diameter of the medium-conveying pipe comprising a clamping unit for the reception of the pipe end, a guide unit for the feed movement of the stripping and paring unit, wherein the guide unit extends through the clamping unit, a cutting unit for separating the outer pipe and the insulating layer, a carrier and a stripping and paring unit, wherein the stripping and paring unit has a paring element, preferably a paring blade, and a stripping element, preferably a stripping contour, for the simultaneous stripping and paring of the pipe end, in particular of the medium-conveying pipe end.

Paring and cutting tool

A securing element () for securing against the loosening by rotation of at least two screwable housing parts (), the securing element () being arranged so as to be clamped in one of the housing parts () and interact with the other housing part ().

Securing element for securing against unauthorized unscrewing

Diaphragm valve () comprising a housing upper part (), which receives an actuating device () for actuating the valve (), and a housing lower part (), which has a receiving region () for receiving a diaphragm (), wherein in the housing lower part () below the diaphragm () a central region forming a flow channel () is designed, wherein the cross-sectional surface of the flow channel () in the central region () of the housing lower part () is constant when the valve () is in the open state.

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Jestetten, Germany

Joerg Hunnekuhl