Abstract: Housing for a valve, preferably a valve in which the stroke for opening and closing takes place perpendicular to the flow direction of the valve, comprising an outer housing and an inner housing, wherein the outer housing and the inner housing can be screwed together, wherein the inner housing has a circumferential shoulder on the outer circumference and a securing element, wherein the securing element having a clamping and fastening region is formed as a one-piece, separate part, wherein the fastening region of the securing element is arranged in a form-fitting manner in a recess arranged below the shoulder on the outer circumference of the inner housing and the clamping region of the securing element protrudes beyond the shoulder and engages in the outer housing, wherein on the inner circumference of the outer housing a pocket is arranged into which the clamping region of the securing element snaps in the end position, wherein the clamping region has an outwardly directed flat clamping surface inclined to t

Abstract: A diaphragm valve for controlling a flow of a medium in a pipeline, the diaphragm valve comprising a housing upper part, a housing lower part, an actuation unit, a diaphragm and an inner housing which presses against the diaphragm, wherein the diaphragm lies on a bearing region of the housing lower part and is compressed by means of a clamping region of the inner housing, wherein the diaphragm has a sealing rib on the bottom side facing towards the medium, and the inner housing has a rib extending in the clamping region, wherein the rib is arranged vertically above the sealing rib.

Abstract: Method and device for tightening a threaded connection, preferably for connecting pipeline components, wherein the threaded connection to be tightened comprises a connecting element unit having an external thread, a connecting element unit having an internal thread, and a seal element arranged therebetween.

Abstract: Method and device for tightening a threaded connection, preferably for connecting pipeline components, wherein the threaded connection to be tightened comprises a connecting element unit having an external thread, a connecting element unit having an internal thread, and a seal element arranged therebetween.