Abstract: A valve with a housing has a connection point for insertion into a connection device and a valve seat associated with a passage opening, which valve seat can be closed by a valve closing member, and is transferable by a drive or a pressure of a medium to an operating position in which the valve closing member is lifted with respect to the valve, having a securing element, which holds the valve closing member in a filling position relative to the valve seat, in which position the valve closing member is lifted with respect to the valve seat and unblocks the passage opening, and the securing element can be transferred, following the first transfer of the valve closing member from the filling position to the operating position, to a disengaged position relative to the valve closing member and subsequently the valve closing member is transferable to the closed position.

Abstract: Non-return valve for a refrigeration or heat circuit, which is insertable into a connection opening of a connection device or a pipe. The non-return valve has a valve closing member with a closing body. A closing surface of the closing body bears against the valve seat in an initial position of the valve closing member and closes a through opening. The closing body extends from the closing surface in the opposite direction to the travel movement into the working position of the closing body, and the closing body has a convex contour at the free end face end, which is connected to the closing surface by a concave contour.

Abstract: Ball valve having a housing which comprises at least one inlet opening and at least one outlet opening, between which a regulating chamber is provided, having a valve which is arranged in the regulating chamber and comprises at least one spherical control surface with at least one passage that connects one inflow opening to an outflow opening of the valve, having a connection opening in the housing, which opens into the regulating chamber into which a connection housing can be inserted, wherein at least one seal is provided between the connection housing and the connection opening, and the connection housing comprises a shaft feedthrough having a shaft mounted therein by means of which the valve can be controlled, wherein the valve with the at least one spherical control opening is insertable through the connection opening into the regulating chamber.

Abstract: Multi-port valve for controlling a medium in a refrigerant circuit of a refrigeration system. A stroke movement of the valve body along an axis is controllable by an actuating element of a drive. The valve body is tubular and extends along the stroke axis and, in a first end position of the stroke movement, passes through at least one first pressure chamber between an inlet and an outlet and at least one further pressure chamber between the inlet and at least one further outlet. At least one seal is associated with each pressure chamber for abutment against the valve body.

Abstract: A valve arrangement for a multi-port valve, with a connection point, in which an inlet and at least a first and a second outlet are provided. A stroke movement of the valve body along a stroke axis in the connection point is controllable by an actuating element of a drive. The valve body is tubular, and the valve body is arrangeable in a first end position, in which a first passage is closed, and in a second end position, in which a second passage is closed. The valve body is displaceably guided by at least one seal, which is arranged between the first and second end positions.

Abstract: The invention relates to a valve for controlling a coolant circuit of a refrigerating system, having a housing, which has at least one inlet opening and at least one outlet opening, having a regulating chamber provided in the housing, which extends between the at least one inlet opening and the at least one outlet opening, having a valve arrangement, which is insertable at least partially into the regulating chamber, having a rotary slide arrangement, arranged in the regulating chamber, which has a control disc, which is rotatable in relation to the at least one rotary slide support, the at least one rotary slide support is provided non-rotationally to the housing and the at least one rotary slide support is mounted floatingly to the housing.

Abstract: A valve arrangement for a switching valve and to a switching valve for regulating a mass flow in a refrigerating circuit or a heating circuit, comprising a valve housing, which comprises a feed opening and a discharge opening, comprising a valve piston, which comprises a valve-closing member, which buts against a through-hole between the feed opening and the discharge opening in a closed position on a valve seat and closes the through-hole, wherein the valve seat comprises a stop surface and a sealing surface which are oriented so as to be adjacent to one another, the valve-closing member comprises a supporting surface and a gasket surface which are oriented so as to be adjacent to one another, an elastic sealing element is provided on the valve seat or the valve-closing member, on which sealing element the sealing surface or gasket surface is formed, a sealing projection is provided on the sealing surface or the gasket surface and is oriented towards the opposite gasket surface or sealing surface, the suppor

Abstract: Ball valve having a housing which comprises at least one inlet opening and at least one outlet opening, between which a regulating chamber is provided, having a valve which is arranged in the regulating chamber and comprises at least one spherical control surface with at least one passage that connects one inflow opening to an outflow opening of the valve, having a connection opening in the housing, which opens into the regulating chamber into which a connection housing can be inserted, wherein at least one seal is provided between the connection housing and the connection opening, and the connection housing comprises a shaft feedthrough having a shaft mounted therein by means of which the valve can be controlled, wherein the valve with the at least one spherical control opening is insertable through the connection opening into the regulating chamber.

Abstract: A switching valve and a valve arrangement for regulating a mass flow in a refrigeration or heating circuit, having a path-generating device which comprises a U-shaped yoke with an upper and lower leg which are aligned with one another and a coil which is positioned within the yoke and can be electrically controlled, a core fixedly positioned relative to the coil and having at least a portion projecting relative to the coil and positioned in an opening in the leg of the yoke, and a tappet provided in the coil and movable relative to the core and having an end extending through an opening in one of the legs of the yoke, with a closing body or valve closing member arranged on the tappet, and with a restoring element which is arranged between the core and the tappet, a switching bushing being provided which is insertable into the path-generating device, and which is closed on one side by a base and is open on the opposite end of the base and fastening section is assigned to the open end of the switching bushing h

Abstract: A valve with a housing has a connection point for insertion into a connection device and a valve seat associated with a passage opening, which valve seat can be closed by a valve closing member, and is transferable by a drive or a pressure of a medium to an operating position in which the valve closing member is lifted with respect to the valve, having a securing element, which holds the valve closing member in a filling position relative to the valve seat, in which position the valve closing member is lifted with respect to the valve seat and unblocks the passage opening, and the securing element can be transferred, following the first transfer of the valve closing member from the filling position to the operating position, to a disengaged position relative to the valve closing member and subsequently the valve closing member is transferable to the closed position.

Abstract: The invention relates to a non-return valve, in particular for a refrigeration or heat circuit, which valve can be inserted into a connection opening (26, 27, 28, 29) of a connection device (21) or of a pipe (39) and comprises: —a one-part or multi-part housing (42) which comprises at least one main housing (44), a feed opening (48) being provided on the inlet side and a discharge opening (51) being provided on the outlet side of the main housing (44), the feed opening and the discharge opening being interconnected by a flow channel (49); —a guide element (53) which is provided on the main housing (44) and by means of which a valve closing element (61) is guided slidably relative to the main housing (44), the valve closing element (61) being arranged in a starting position (42) by means of an energy accumulator (71) and the valve closing element (61) being slidable toward the discharge opening (51) against an actuating force of the energy accumulator (71) in order to be transferred into a working position (63

Abstract: A valve arrangement for a switching valve and to a switching valve for regulating a mass flow in a refrigerating circuit or a heating circuit, including a valve housing, which includes a feed opening and a discharge opening, including a valve piston, which includes a valve-closing member, which buts against a through-hole between the feed opening and the discharge opening in a closed position on a valve seat and closes the through-hole, wherein the valve seat includes a stop surface and a sealing surface which are oriented so as to be adjacent to one another, the valve-closing member includes a supporting surface and a gasket surface which are oriented so as to be adjacent to one another, an elastic sealing element is provided on the valve seat or the valve-closing member, on which sealing element the sealing surface or gasket surface is formed, a sealing projection is provided on the sealing surface or the gasket surface and is oriented towards the opposite gasket surface or sealing surface, the supporting s

Abstract: The invention relates to a valve for controlling a coolant circuit of a refrigerating system, preferably having a heat pump function, having a housing, which has at least one inlet opening and at least one outlet opening, having a regulating chamber provided in the housing, which extends between the at least one inlet opening and the at least one outlet opening, having a plugging opening provided on the housing, which is adjacent to the regulating chamber, having a valve arrangement, which is insertable at least partially into the regulating chamber, by means of which a current path of a medium between the at least one inlet opening and the at least on outlet opening is controllable, having a rotary slide arrangement, arranged in the regulating chamber, of the valve arrangement, which has a control disc, which is rotatable in relation to the at least one rotary slide support, wherein the at least one rotary slide support is provided non-rotationally to the housing and is allocated to the at least one outlet o

Abstract: The invention relates to a non-return valve, in particular for a refrigeration circuit or thermal circuit, which is insertable into a connection point (76) of a connection device (71), which comprises a supply opening (72) for supplying a medium and an outlet opening (74) for discharging the medium, comprising a multi-part housing (12, 14), which comprises a valve housing (14) and a main housing (12), which is interconnectable by means of connection elements (41, 42) via an interface (16), comprising a regulating space (24) formed between the main housing (12) and the valve housing (14), in which space a valve-closing member (25) is provided which abuts a valve seat (23) of the valve housing (14) in a closed position (54), and closes an opening (22) in the valve housing (14) and is movable into an operating position (55) counter to an actuating force of a return element (33) and releases the valve opening (22), wherein the valve housing (14) and the valve-closing member (25), which is arranged so as to be mov

Abstract: A switching valve and a valve arrangement for regulating a mass flow in a refrigeration or heating circuit, having a path-generating device which comprises a U-shaped yoke with an upper and lower leg which are aligned with one another and a coil which is positioned within the yoke and can be electrically controlled, a core fixedly positioned relative to the coil and having at least a portion projecting relative to the coil and positioned in an opening in the leg of the yoke, and a tappet provided in the coil and movable relative to the core and having an end extending through an opening in one of the legs of the yoke, with a closing body or valve closing member arranged on the tappet, and with a restoring element which is arranged between the core and the tappet, a switching bushing being provided which is insertable into the path-generating device, and which is closed on one side by a base and is open on the opposite end of the base and fastening section is assigned to the open end of the switching bushing h

Abstract: A valve arrangement for a switching valve and to a switching valve for regulating a mass flow in a refrigerating circuit or a heating circuit, comprising a valve housing, which comprises a feed opening and a discharge opening, comprising a valve piston, which comprises a valve-closing member, which buts against a through-hole between the feed opening and the discharge opening in a closed position on a valve seat and closes the through-hole, wherein the valve seat comprises a stop surface and a sealing surface which are oriented so as to be adjacent to one another, the valve-closing member comprises a supporting surface and a gasket surface which are oriented so as to be adjacent to one another, an elastic sealing element is provided on the valve seat or the valve-closing member, on which sealing element the sealing surface or gasket surface is formed, a sealing projection is provided on the sealing surface or the gasket surface and is oriented towards the opposite gasket surface or sealing surface, the suppor

Abstract: A valve arrangement for a switching valve and to a switching valve for regulating a mass flow in a refrigerating circuit or a heating circuit, including a valve housing, which includes a feed opening and a discharge opening, including a valve piston, which includes a valve-closing member, which buts against a through-hole between the feed opening and the discharge opening in a closed position on a valve seat and closes the through-hole, wherein the valve seat includes a stop surface and a sealing surface which are oriented so as to be adjacent to one another, the valve-closing member includes a supporting surface and a gasket surface which are oriented so as to be adjacent to one another, an elastic sealing element is provided on the valve seat or the valve-closing member, on which sealing element the sealing surface or gasket surface is formed, a sealing projection is provided on the sealing surface or the gasket surface and is oriented towards the opposite gasket surface or sealing surface, the supporting s

Abstract: The invention relates to a non-return valve, in particular for a refrigeration or heat circuit, which valve can be inserted into a connection opening (26, 27, 28, 29) of a connection device (21) or of a pipe (39) and comprises:—a one-part or multi-part housing (42) which comprises at least one main housing (44), a feed opening (48) being provided on the inlet side and a discharge opening (51) being provided on the outlet side of the main housing (44), the feed opening and the discharge opening being interconnected by a flow channel (49);—a guide element (53) which is provided on the main housing (44) and by means of which a valve closing element (61) is guided slidably relative to the main housing (44), the valve closing element (61) being arranged in a starting position (42) by means of an energy accumulator (71) and the valve closing element (61) being slidable toward the discharge opening (51) against an actuating force of the energy accumulator (71) in order to be transferred into a working position (63),

Abstract: The invention relates to a non-return valve, in particular for a refrigeration circuit or thermal circuit, which is insertable into a connection point (76) of a connection device (71), which comprises a supply opening (72) for supplying a medium and an outlet opening (74) for discharging the medium, comprising a multi-part housing (12, 14), which comprises a valve housing (14) and a main housing (12), which is interconnectable by means of connection elements (41, 42) via an interface (16), comprising a regulating space (24) formed between the main housing (12) and the valve housing (14), in which space a valve-closing member (25) is provided which abuts a valve seat (23) of the valve housing (14) in a closed position (54), and closes an opening (22) in the valve housing (14) and is movable into an operating position (55) counter to an actuating force of a return element (33) and releases the valve opening (22), wherein the valve housing (14) and the valve-closing member (25), which is arranged so as to be mov

Abstract: The invention relates to a shaft passage and a valve having such a shaft passage, as well as a method for producing a shaft passage, in which the shaft (21) has at least one drive portion (24) to which a drive for controlling the shaft (21) can be connected and has a connecting portion (25) opposite the drive portion (24), to which an actuating member (64) can be connected, and an inner shaft portion (26) in the through-bore (22) extending at least partially in the through bore (22), and having an inner shaft seal (36) to which an operating pressure of a medium to be controlled by the actuating member (64) is applied, and having a fluid shaft seal (34) which extends in the direction of the drive portion (24), and which is arranged between the inner shaft seal (34) and the outer shaft seal (42), wherein the fluid shaft seal (34) is formed between the through bore (22) and the inner shaft portion (26) of the shaft (21) and is pressure-relieved against an operating pressure of the medium to be controlled.