Abstract: A tensioning assembly for a process valve is provided, including a housing having an interface for rigid connection to a valve body, a drive which is arranged so as to be fixed to the housing, a gearing supported on the housing and driven by the drive, and a tensioning element arranged on the output of the gearing, wherein the tensioning element includes a contact surface which is designed to clamp a lateral outer collar of a diaphragm of the process valve between the tensioning element and the valve body.

Abstract: The invention relates to a valve body for a process valve, wherein an interior space of the valve body connects at least two ports to one another in a fluid-conducting manner, wherein at least one partition wall separates adjacent flow chambers of the interior space from one another, and wherein an outer shell and the at least one partition wall, at least in a blocking portion of the valve body extending essentially perpendicularly to a blocking axis, are made of a flexible material.

Abstract: The invention relates to a method for producing a diaphragm for a diaphragm valve. The method includes the steps of conveying a plastics melt through at least one feed channel into a mold cavity which is delimited by a first mold and a second mold; moving the first and second molds toward one another; removing the at least one diaphragm from the mold cavity; and cutting off a sprue from the at least one diaphragm removed from the mold cavity.

Abstract: The invention relates to a diaphragm for a diaphragm valve having a functional region and a clamping region surrounding the functional region, at least one main body of the diaphragm freeing at least one opening in the clamping region, in which at least one gripping aid comprising a plastics material is provided.

Abstract: The invention relates to a pinch valve that includes: a main body having a receiving space for a tube section, wherein the receiving space comprises a lateral opening of the main body; a counter-bearing section for a compressor that moves along a actuating axis; and a closure element which is movably fastened to the main body and which is movable relative to the main body between a first position, in which the closure element closes the lateral opening of the main body at least in sections, and a second position, in which the closure element exposes an insertion opening for the tube section.

Abstract: A tensioning assembly for a process valve is provided, including a housing having an interface for rigid connection to a valve body, a drive which is arranged so as to be fixed to the housing, a gearing supported on the housing and driven by the drive, and a tensioning element arranged on the output of the gearing, wherein the tensioning element includes a contact surface which is designed to clamp a lateral outer collar of a diaphragm of the process valve between the tensioning element and the valve body.

Abstract: The invention relates to a diaphragm for a diaphragm valve. The diaphragm has a functional region and a fastening portion, which surrounds the functional region. In a relaxed state, the functional region includes a central portion, which protrudes on a wet side of the diaphragm; a lateral portion, which protrudes on a dry side of the diaphragm, the lateral portion being curved, at least in parts, toward the dry side of the diaphragm; and an intermediate portion, which is arranged between the central portion and the lateral portion and is curved, at least in parts, toward the wet side of the diaphragm.

Abstract: The invention relates to a valve actuator having an actuator housing and an actuator element, in particular a pneumatic piston or a control diaphragm, that is movably mounted within the actuator housing. In an assembly state of the valve actuator, at least one first contour of the actuator element engages in at least one second contour which is fixed relative to the actuator housing in such a way that a rotation of the actuator element about an actuating axis is blocked in at least one direction of rotation.

Abstract: The invention relates to a valve body for a process valve, wherein an interior space of the valve body connects at least two ports to one another in a fluid-conducting manner, wherein at least one partition wall separates adjacent flow chambers of the interior space from one another, and wherein an outer shell and the at least one partition wall, at least in a blocking portion of the valve body extending essentially perpendicularly to a blocking axis, are made of a flexible material.

Abstract: The invention relates to a method for producing a diaphragm for a diaphragm valve. The method includes the steps of conveying a plastics melt through at least one feed channel into a mold cavity which is delimited by a first mold and a second mold; moving the first and second molds toward one another; removing the at least one diaphragm from the mold cavity; and cutting off a sprue from the at least one diaphragm removed from the mold cavity.

Abstract: A valve diaphragm includes a flange portion and a diaphragm portion. It is proposed that it includes a data carrier contained in a housing and that the housing is arranged on an edge of the flange portion so as to be at least partially visible when seen from outside onto the edge.

Abstract: A valve body (4) for a valve assembly (2) is proposed. The valve body (4) comprises a valve seat (96) which can be accessed by means of an opening (86). A plurality of threaded holes is provided around the opening (86). A plurality of first studs (22a-c) is arranged, in portions, in the threaded holes in order to arrange a valve drive. At least one second stud (24) comprises an electronic data carrier (26) for contactless identification of the valve seat (96). A portion of the second stud (24) is arranged in one of the threaded holes.

Abstract: A shut-off member for a fluid valve is proposed. The shut-off member includes a blind hole that is made in the shut-off member, the blind hole leading from a dorsal side into a ventral portion; an electronic data carrier which is arranged in a base region of the blind hole; and a casting compound that is introduced into the blind hole and that fixes the electronic data carrier to the shut-off member.

Abstract: An apparatus for arranging an electronic data carrier on a component of a fluidic system is proposed. The apparatus includes the electronic data carrier. An insert is provided that can be inserted into a main body, which insert, in a first position with respect to the main body, vacates a release space in order for at least one cable portion of a cable to be introduced. In a second position with respect to the main body, the insert secures itself and the at least one cable portion to the main body such that they cannot be pulled out.

Abstract: There is provided an electronic tag for a metal component of a system, wherein the electronic tag includes: a metal support frame, a first portion arranged within the metal support frame and secured relative to the metal support frame, a passive transponder, and a second portion, wherein the second portion secures the passive transponder at least relative to the first portion.

Abstract: An assembly including a valve unit, a suck-back unit and a valve body is proposed, the valve body including a first channel portion which leads into a first chamber having a valve seat; the valve body including a second channel portion which connects the first chamber to a second chamber; the valve body including a third channel portion which leads away from the second chamber; the valve unit including a first actuator; the first actuator closing a connection between the first channel portion and the second channel portion when the first actuator is pressed against the valve seat; and the suck-back unit including a second actuator, the second actuator, when retracted inside the second chamber, sucking back a fluid in the third channel portion towards the second chamber if the connection between the first channel portion and the second channel portion is closed.

Abstract: The invention relates to a method for diagnosing a diaphragm valve having the following steps: a) providing at least one first quantity that characterizes a valve diaphragm, at least one second quantity that characterizes the diaphragm valve, and at least one third quantity that characterizes operation of the diaphragm valve to a determination device; determining a quantity that characterizes a current state of the valve diaphragm, in particular a current wear, from the first, second, and third quantities by means of the determination device by using at least one algorithm.

Abstract: The invention relates to a valve body including a membrane which cooperates with a valve seat, wherein the valve body and the membrane are connected to each other in the region of a laser weld seam in a bonded and fluid-tight manner.

Abstract: A method for operating a diaphragm valve including the step of reading out data, which characterize at least one property of a diaphragm of the diaphragm valve, from at least one data memory integrated into the diaphragm valve, by a reading device. The method further includes the steps of: (a) transmitting the read-out data to a processing device which is arranged remote from the reading device and the diaphragm valve and (b) synchronizing the transmitted data with data present in the processing device.