Abstract: Electrofusion tape and method for the production thereof for welding together with plastics pipes in particular for use in a fixed-point fastening, consisting of a jacket element preferably of an electrically insulating plastics material, at least one heating element of electrically conductive plastics material and at least two contact elements for supplying electricity to the heating element, wherein the jacket element and the heating element take the form of tapes, wherein the jacket element surrounds the heating element at least in part, wherein the contact elements are arranged in the mutually opposing marginal regions of the heating element and extend parallel to one another along the heating element.

Abstract: A method for inspecting a weld of plastic pipes by means of a data processing device, comprising: capturing and storing documents; monitoring and recording the installation and the implementation of the weld of the joint; producing a welding report, or adopting a welding report from the welding machine; testing the weld ultrasonically, wherein the test detects and stores the defects that are in the weld; wherein software is used to capture and store the documents, the welding report and the defects, more specifically the data on said defects, wherein an algorithm of the software is used to evaluate the stored documents, reports, defects and data on said defects, and to classify the welded joint as compliant or non-compliant with the requirements.

Abstract: A length compensator for pipelines, preferably plastic pipelines, containing two connecting components, preferably made from plastic, a compensating element made from an elastic material, preferably a thermoplastic elastomer (TPE), and a supporting pipe, wherein the compensating element is arranged between the two connecting components and the compensating element ends are connected to the connecting components, wherein the outer lateral surface of the compensating element is suitably encompassed by the inner lateral surface of the supporting pipe around its entire circumference, wherein the supporting pipe has a circular cross-sectional area and the compensating element expands and contracts exclusively in the axial direction.

Abstract: Weld seam testing chain for testing a weld seam by means of ultrasound on two plastic tubes welded together at the ends, comprising standard chain links, wherein the standard chain links are hooked together to form the weld seam testing chain, and the chain can be lengthened or shortened individually, a sensor receptacle for accommodating the ultrasonic sensor, and an adjusting unit for the fine adjustment of the weld seam testing chain length, wherein the standard chain links have a hook on one side and a hook receptacle on the opposite side, thereby enabling the individual chain links to be hooked together.

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: A method for determining the end-of-travel positions of a diaphragm in a diaphragm valve having an actuator: initiating displacement of the diaphragm into a first end-of-travel position; ascertaining the first end-of-travel position of the diaphragm, wherein said first end-of-travel position is ascertained by monitoring an actuating current value, wherein the first end-of-travel position is reached when a predefined current value is reached; saving the first end-of-travel position; moving autonomously, preferably in the opposite direction, towards a second end-of-travel position of the diaphragm; ascertaining the second end-of-travel position of the diaphragm, wherein said second end-of-travel position is ascertained by means of a predefined travel length (a) of the diaphragm from the first end-of-travel position; saving the second end-of-travel position.

Abstract: A method and device for stripping the insulation from and peeling pre-insulated pipe ends by means of a peeling and cutting tool.

Abstract: A device for fastening a measuring apparatus on pipes, in particular a butt weld seam checking measuring apparatus, containing a housing for accommodating the measuring, control, and/or drive units and a clamp, wherein the clamp is designed as a ring segment, wherein the clamp is attached in the radial direction over a pipe external diameter, wherein the clamp has a pre-tension in the installed state.

Abstract: A blade for a stripping and peeling tool for stripping and peeling a pre-insulated pipe. The blade comprises a main body having a cutting edge disposed on a longitudinal edge thereof, and an insert blade having an axle for mounting in the main body so that a cutting edge of the insert blade runs parallel to the cutting edge of the main body.

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: A method, and an apparatus associated therewith, for detecting plastic tube ends clamped in a butt welding machine, the plastic tube ends being planed by means of a plane, which can be introduced between the plastic tube ends, and subsequently being heated by means of a heating mirror, which can be introduced between the plastic tube ends, and the plastic tube ends are welded together after removal of the heating mirror, the plane and/or the heating mirror being tilted in between the plastic tube ends by means of a controlled movement, wherein detection or sensing of the plastic tube ends during the controlled movement of tilting in the plane and/or the heating mirror is carried out by means of at least one sensor arranged on the plane and/or on the heating mirror.

Abstract: A device for end-side welding of plastic profiles, preferably pipes, containing tensioning devices for retaining the plastic profiles in a coaxial position in relation to one another, a heating plate for generating heat rays for contact-free heating up of the plastic profile ends and a reflection outer ring for reflection of the heat radiation onto the plastic profile outer side, wherein a reflection inner ring is arranged on the heating plate, wherein the reflection inner ring reflects the heat rays of the heating plate onto the plastic profile inner side.

Abstract: Electric welding coupler for the welding of pipes made of thermoplastic material or other weldable plastics comprising a cylindrical body made of thermoplastic material or other weldable plastics, containing at least one welding element, wherein the welding element is arranged close to the inner diameter of the cylindrical body, wherein the welding element forms at least two welding zones, a contact for feeding the electric current and at least one cavity, wherein the cavity is arranged in the cylindrical body, wherein a reinforcing ring is arranged around the outer circumference respectively outer diameter of the cylindrical body.

Abstract: 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.

Abstract: Device for actuating a diaphragm valve, comprising a housing, wherein the housing is preferably formed of a top and bottom part, and further comprising an electric motor, a base board for the fastening of electrical components, a gear unit for actuating the diaphragm valve or the spindle nut of the diaphragm valve, and a position indicator for indicating the degree of opening of the diaphragm valve, wherein the position indicator is driven via the gear unit.

Abstract: A device for actuating a valve, comprising a casing, said casing exhibiting a transparent region and said casing preferentially having been formed from an upper part and a lower part, a transmission assembly, an electric motor and a base board for attaching electrical components, wherein LEDs or a multicolor LED and an optical waveguide have been arranged in the casing, preferentially on the base board, the position or another function of the valve being indicated by the LEDs lighting up, and the optical waveguide collimating and focusing the light of the LEDs for the purpose of indicating the position or malfunction.

Abstract: A device for the contactless examination of a butt weld of plastic pipes and fittings is provided. The device includes a carrier device, an illumination unit, and at least one sensor for monitoring the pipe ends or fitting ends to be welded and the weld seam, wherein the sensor is an electronic light-sensitive sensor.

Abstract: Valve for fluid and gaseous media, more particularly for regulating the pressure in pipelines, containing a housing of at least one upper and lower part, a pressure adjustment unit, wherein the pressure adjustment unit comprises a spindle, a spring plate, a spring holder and at least one spring, a cartridge, wherein the cartridge forms a function unit by means of which the function of the valve is defined, wherein the cartridge preferably contains an interior housing, a fastening means, a poppet and a diaphragm, wherein the diaphragm serves for dividing the housing into a medium-free and a medium-flowing area, wherein the cartridge is pre-fitted as a function unit and is disposed replaceably as a complete unit in the housing.

Abstract: A valve includes a leakage indicator and a valve housing. The valve housing includes a valve housing upper part, a valve housing lower part, and a diaphragm. The diaphragm divides the valve housing into a fluid-flow area and a fluid-free area. The leakage indicator is an absorbent element that projects into the fluid-free area.

Abstract: A fitting (1) of weldable, thermoplastic material of a modular structure, comprising a number of elements (2, 3, 9, 10, 11, 12), at least one main element (2, 9) and at least one connecting element (3, 10, 11, 12), characterized in that the elements (2, 3, 9, 10, 11, 12) have end faces (4, 5) at right angles to the center axis (8), and the elements (2, 3, 9, 10, 11, 12) are welded to one another exclusively at the end faces (4, 5).