Abstract: An aluminum alloy for components with increased rigidity, having a tensile yield strength Rp0.2>200 MPa and simultaneous elongation at break A>6% after a heat treatment, or a tensile yield strength Rp 0.2>120 MPa and simultaneously high elongation at break A>9% in the cast state, or >10% after a T6 heat treatment, in particular for structural and chassis components of a motor vehicle, containing 9 to 11.5 wt % silicon, 0.5 to 0.8 wt % manganese, 0.2 to 1.0 wt % magnesium, 0.1 to 1.0 wt % copper, 0.2 to 1.5 wt % zinc, 0.05 to 0.4 wt % zirconium, 0.01 to 0.4 wt % Cr, max. 0.2 wt % iron, max. 0.15 wt % titanium, 0.01 to 0.02 wt % strontium and the remainder as aluminum and production-related impurities with a maximum total of 0.5 wt %.

Abstract: A clamping connection for pipes made of polymer material or made of composite materials, containing a connection piece, which has a supporting sleeve for the sliding on of a pipe to be connected and which is bounded at one end by a stop collar, wherein a sealing element is arranged on the supporting sleeve, wherein the clamping connection also comprises a clamping sleeve, which is captively connected to the stop collar of the connection piece before the pipe installation, wherein a pipe inserted onto the supporting sleeve is clamped by sliding the clamping sleeve over the pipe in a direction opposite to the insertion direction of the pipe.

Abstract: A pressure-reducing valve for fluid and gaseous media, more particularly for regulating the pressure in pipeline systems, preferably in buildings, containing a housing preferably consisting of at least one upper and lower part, an interior housing wherein the interior housing has a poppet bore, a diaphragm for dividing the housing into a fluid-free and fluid-flowing area, a pressure adjustment unit, wherein the pressure adjustment unit comprises a spindle, a spring valve, a spring holder and at least one spring, a fastening means and a poppet, wherein the poppet and the diaphragm are connected to one another by fastening means, wherein the poppet is disposed in the poppet bore and at least one sealing element is arranged between the poppet and poppet bore for sealing action, wherein the poppet is formed in one piece and the sealing element is disposed integrally on the poppet or integrally on the interior housing.

Abstract: An electrical feedback device (6) of a valve (1) is provided for feeding back the position of a hand wheel (4) of the valve (1) and thus the position of a shut-off member of the valve (1). The electrical feedback device (6) can be mounted in a spindle housing (13) of a housing upper part (2) of the valve (1). The electrical feedback device is configured so that the rotational movement of the hand wheel (4) is converted into a linear movement of a trip cam (45). The electrical feedback device (6) has a gearwheel (43) which is driven by a screw thread (42) which is mounted on a ring (41).

Abstract: A pipe clamp adaptor (50; 300; 400) for securing a pipe (22) comprises the unitarily molded combination of: a cradle (70) having a concave surface (74; 424) for accommodating the pipe and a base surface (72); and a closure (76) connected to the cradle by a living hinge for articulation between an open condition and a closed condition, first features (80) on the cradle engageable to complementary second features (82) of the closure to hold the closed condition.

Abstract: A method for the cultivation of microorganisms, especially phototrophic microorganisms in a bioreactor or photobioreactor, wherein bicarbonate ions and carbonate ions or a cation surplus concentration in the culture medium is added. A tubular bioreactor and photobioreactor is disclosed for carrying out the method.

Abstract: A die cast part of a die casting mold having at least one first component comprising a pressure zone, at least one second component and at least one heat exchange chamber permeated by a fluid and formed by the components for controlling the temperature of the pressure zone. The first component comprises a heat transfer surface integral to at least one wall of the heat exchange chamber and thermally associated with the pressure zone, and the pressure zone bounds at least one region of the gate region. The second component comprises at least one fluid guiding protrusion protruding into the heat transfer chamber and/or a fluid guiding recess open toward the first component. The fluid guiding recess forms at least one portion of the heat exchange chamber and/or the fluid guiding protrusion and/or the fluid guiding recess forms a flow contour surface of the second component in particular adapted to the curve of the heat transfer surface.

Abstract: A bayonet fastening which can be used to connect two pipeline components, in particular connection elements. The pipeline components which are to be connected respectively comprise a cylindrical receiving part (1) and the second pipeline component comprises an insertion part (2) which can be introduced into the receiving part. A clamping ring (3) is arranged on the outer diameter of the insertion part and the receiving part can be pushed onto said clamping ring. The bayonet fastening can be locked by rotating the receiving part and the insertion part in relation to one another.

Abstract: A coupling device for a tube includes a pressure element comprising first and second pressure element segments for exerting a clamping force on the tube. The pressure element includes surfaces that converge towards each other in a radial direction away from the tube and that are directly or indirectly disposed against support elements. The first pressure element segment is placed proximally and the second pressure element segment distally with respect to the tube. The first and the second pressure element segments are each provided with contact surfaces that abut and co-operate with each other at a predetermined incline in relation to the longitudinal axis of the tube such that during tension strain between the coupling and the tube, the first pressure element segment is caused to clamp the tube more tightly and the second pressure element segment endows an increased force on the support elements.

Abstract: Aluminum alloy for components having increased strength with a yield point Rp0.2>120 MPa and at the same time an elongation at break A>7% in the cast state, a yield point Rp0.2>200 MPa and at the same time an elongation at break A>6% after a T5 heat treatment or a yield point Rp0.2>200 MPa and at the same time a high elongation at break A>9% after a T6 heat treatment, in particular for structural and chassis parts of a motor vehicle.

Abstract: A saddle, in particular a clamping saddle for plastic pipes, containing a branch projection, a saddle piece, center axes (X), (Y) and (Z), and a groove for the arrangement of a seal, wherein the inner cheek of the groove is arranged, throughout the course of the groove, perpendicular to the inner surface of the saddle piece.

Abstract: The invention relates to a die cast part (8, 9, 10, 11, 12) of a die casting mold (5, 6, 7), having at least one first component (13, 15, 17, 19, 21) comprising a pressure zone (24, 25, 40, 60), at least one second component (14, 16, 18, 20, 22) and at least one heat exchange chamber (27, 36, 43, 51, 55, 62) permeated by a fluid and formed by the components (13, 14, 15, 16, 17, 18, 19, 20, 21, 22) for controlling the temperature of the pressure zone (24, 25, 40, 60), wherein the first component (13, 15, 17, 19, 21) comprises a heat transfer surface (34, 41, 61) integral to at least one wall of the heat exchange chamber (27, 36, 43, 51, 55, 62) and thermally associated with the pressure zone (24, 25, 40, 60).

Abstract: A tube scraping apparatus comprises a body having a passageway for receiving a piping component; and a first blade and a second blade. The first blade and second blade each: are mounted to the body and shiftable between a first condition and a second condition; and having an engagement portion positioned to engage an outer diameter (OD) surface of the received piping component in at least one condition, the first blade engagement portion comprising a cutting edge for removing material from the OD surface. The second blade engagement portion comprises a partial thread for engaging the piping component to convert a rotation of the piping component relative to the body to an axial movement of the piping component relative to the body.

Abstract: A pipe coupler for coupling a first pipe to a second pipe comprises: a body; a first flange and a second flange; and a gasket. The body, first flange, second flange, and gasket are dimensioned to have an assembled condition. The gasket, first flange, and second flange are coaxial. The gasket is axially sandwiched between an inboard face of the first flange and an inboard face of the second flange. The body encircles the gasket, first flange, and second flange and has a first portion axially outboard of the first flange and a second portion axially outboard of the second flange.

Abstract: An actuating device (4) for actuating valves, having a spindle (5), wherein the actuating device is designed as a hand wheel (4) with a locking element (32) and with an electric feedback device (6), characterized in that the locking element (32) is formed in one piece and is arranged integrally in the hand wheel (4).

Abstract: The disclosure relates to a clamping connection for pipes made of polymer material or made of composite materials, containing a connection piece, which has a supporting sleeve for the sliding on of a pipe to be connected and which is bounded at one end by a stop collar, wherein a sealing element is arranged on the supporting sleeve, wherein the clamping connection also comprises a clamping sleeve, which is captively connected to the stop collar of the connection piece before the pipe installation, wherein a pipe inserted onto the supporting sleeve is clamped by sliding the clamping sleeve over the pipe in a direction opposite to the insertion direction of the pipe.

Abstract: Method for non-destructively forming a component made of cast material beyond the quasistatic elongation at break, wherein the component is formed by means of electromagnetic high-speed forming (EMF) method.

Abstract: An actuating device (4) for actuating valves, having a spindle (5), wherein the actuating device is designed as a hand wheel (4) with a locking element (32) and with an electric feedback device (6), characterized in that the locking element (32) is formed in one piece and is arranged integrally in the hand wheel (4).

Abstract: A polyolefin composition having an increased modulus of elasticity as well as increased heat resistance, wherein the polymer composition has high melt viscosity, and wherein the composition contains a carbon material as a filler, wherein the filler is present in the form of a carbon nanofiber.

Abstract: A high purity water delivery system has a reservoir (40) of purified water. A distribution line (42) extends downstream from an outlet (44) of the reservoir to a return (46) of the reservoir. A plurality of delivery stations each include an outlet (54?) and a diverter (102; 102?; 102?; 102?'). The diverter has an upstream inlet port (104) along the distribution line and a downstream outlet port (106) along the distribution line. The diverter has a supply port (108) downstream of the inlet port and a return port (110) downstream of the supply port. The diverter has a flow restriction (112; 112?; 216) between the supply port and the return port. Each delivery station includes a flow control valve (56?) between the outlet on the one hand and the supply port and return port on the other hand.