An obturator element is disclosed with a petal shaped structure. The petal shaped structure can include a first edge portion along a first section of an outside circumference of the petal shaped structure and a second edge portion along a second section of the outside circumference of the petal shaped structure. The second edge portion can include an insert with a partial surface positioned toward a first side of the petal shaped structure corresponding to a source direction of intended fluid flow. The insert can include a full surface positioned toward a second side of the petal shaped structure. The second edge can include a second mating surface at least partially formed by the insert. The petal shaped structure can include a control connection portion and a hinged connection portion. The obturator element can pivot about the hinged connection portion by movement of the control connection portion.

Disclosed is a vacuum valve having a valve seat, which has a valve opening, defining an opening axis, and a first sealing surface, a valve closure having a second sealing surface corresponding to the first sealing surface, a drive unit coupled to the valve closure, which can be moved from an open position, in which the valve closure and the valve seat do not contact each other, to a closed position, in which there is a sealing contact between the first sealing surface and the second sealing surface by a seal there between, and the valve opening is sealed gastight as a result. The vacuum valve has at least one temperature sensor, where the temperature sensor is designed and arranged such that, from the temperature sensor, a measurement signal representing thermal information in respect of at least one part of the vacuum valve can be detected.

Disclosed is a vacuum valve having a valve seat, which has a valve opening, defining an opening axis, and a first sealing surface, a valve closure having a second sealing surface corresponding to the first sealing surface, a drive unit coupled to the valve closure, which can be moved from an open position, in which the valve closure and the valve seat do not contact each other, to a closed position, in which there is a sealing contact between the first sealing surface and the second sealing surface by a seal there between, and the valve opening is sealed gastight as a result. The vacuum valve has at least one temperature sensor, where the temperature sensor is designed and arranged such that, from the temperature sensor, a measurement signal representing thermal information in respect of at least one part of the vacuum valve can be detected.

A valve device is provided. In the valve device, a valve element is rotated about a support shaft, based on rotation of a valve element drive member to switch a through hole that communicates with an outlet formed in a valve seat to adjust a flow rate. The through hole opens in a bottom surface of a flow channel securing groove formed in the valve element. The flow channel securing groove has a long hole shape in which a width in a first direction being a moving direction of the valve element, is smaller than a width in a second direction orthogonal to the first direction. Thus, a region overlapping with the outlet is large as compared to a case where a perfect circular flow channel securing groove is formed.

A valve includes a main body defining four flow chambers, a first end cap coupled to a first end of the main body, and a second end cap coupled to a second end of the main body. A first rotatable disc is coupled to a rotatable shaft adjacent the first end of the main body and a second rotatable disc is coupled to the rotatable shaft adjacent the second end of the main body. The first rotatable disc includes first and second communication openings and the second rotatable disc includes a third and fourth communication openings. The first communication opening, the first end cap, and the second communication opening cooperate to provide fluid communication between a first pair of the flow chambers while the third communication opening, the second end cap, and the fourth communication opening cooperate to provide fluid communication between a second pair of the flow chambers.

An automotive air control valve comprises a housing, the housing defining an air flow path, a blade pivotally mounted within the housing, the blade pivotable between a closed position, wherein the blade substantially blocks air flow through the housing, and an open position, wherein air can flow through the housing, an actuator adapted to selectively pivot the blade between the open and closed positions, a first stop that provides a positive stop for the blade when rotated to the open position, a second stop that provides a positive stop for the blade when rotated to the closed position; and an over-center cam mechanism, wherein the over-center cam mechanism is adapted to bias the blade in the open position when the blade has been pivoted to the open position, and to bias the blade in the closed position when the blade has been pivoted to the closed position.

A gate valve includes a first plate with a first opening; a second plate with a second opening positioned opposite the first plate such that the first opening is aligned with the second opening; a gate with a gate opening positioned between the first plate and second plate and movable from a close position where the gate blocks flow through the first opening and the second opening and an open position where the gate opening aligns with the first opening and the second opening to allow flow through the valve; and a wear ring lining the gate opening.

A gate valve includes a first plate with a first opening; a second plate with a second opening positioned opposite the first plate such that the first opening is aligned with the second opening; a gate with a gate opening positioned between the first plate and second plate and movable from a close position where the gate blocks flow through the first opening and the second opening and an open position where the gate opening aligns with the first opening and the second opening to allow flow through the valve; and a wear ring lining the gate opening.

A single waterway valve core structure comprises a valve housing, a valve cover, a temperature regulating valve rod, a water stop piece, and a hollow water stop pad. A bottom of the valve housing comprises a water inlet cavity, and a side wall of the valve housing comprises a water outlet. The water stop piece is integrally formed on a bottom end of the temperature regulating valve rod, and the bottom end of the temperature regulating valve rod comprises one or more water passing holes. A side wall of the temperature regulating valve rod comprises a side outlet hole in communication with the water outlet. The hollow water stop pad is disposed in the water inlet cavity, the temperature regulating valve rod is disposed in the valve housing, and the water stop piece contacts the hollow water stop pad.

A valve includes a main body defining four flow chambers, a first end cap coupled to a first end of the main body, and a second end cap coupled to a second end of the main body. A first rotatable disc is coupled to a rotatable shaft adjacent the first end of the main body and a second rotatable disc is coupled to the rotatable shaft adjacent the second end of the main body. The first rotatable disc includes first and second communication openings and the second rotatable disc includes a third and fourth communication openings. The first communication opening, the first end cap, and the second communication opening cooperate to provide fluid communication between a first pair of the flow chambers while the third communication opening, the second end cap, and the fourth communication opening cooperate to provide fluid communication between a second pair of the flow chambers.