Abstract: A rotary valve includes: a valve chamber in which at least three ports including at least a first port, a second port, and a third port are disposed in a circumferential direction; at least three external flow paths communicating with the three ports, respectively; and a valve rotor accommodated in the valve chamber so as to be rotatable and configured to switch a flow of a fluid between the ports by a rotation operation. The first port extends in the circumferential direction of a wall portion of the valve chamber. A first buffer portion is formed between the first port and the external flow path corresponding to the first port. The first buffer portion covers the entire first port and serves as a space having a circumferential width larger than a circumferential width of a valve flow path.

Abstract: Disclosed herein are embodiments of a connector system for releasably connecting together tubes, for example medical tubing, and methods of making and using such a connector system, whereby the connector system includes a female coupler having a first passageway, a male coupler having a second passageway, a catch movably coupled to the female coupler, and a catch-receiving element coupled to the male coupler. The connector system further includes a release element movably coupled to the female coupler, whereby travel of the release element along or over a female coupler outer surface of the female coupler disengages the catch from the catch-receiving element to achieve a disconnected condition of the connector system. Further disclosed herein are embodiments of a connector system for releasably connecting together tubes, whereby the connector system includes at least one valve biased by a valve-biasing member disposed external to or outside of the fluid flow path.

Abstract: A manifold for use with a fluid delivery system includes a fluid inlet defining a portion of a common channel, a fluid nozzle outlet, a plunger housing of an integrated valve, a collar of a coupling mechanism, and a mounting structure. The fluid inlet, fluid nozzle outlet, plunger housing, collar and mounting structure of the manifold are integrally-constructed. A manifold assembly for use with a fluid delivery system includes at least a first and a second manifold. Each manifold includes a fluid inlet defining a portion of a common channel, a fluid nozzle outlet, a plunger housing of an integrated valve, and a collar of a coupling mechanism. The fluid inlet, fluid nozzle outlet, plunger housing, and collar are integrally-constructed, and the fluid inlet of the first manifold is received by a portion of a common channel of the second manifold.

Abstract: An arrangement for controlling and measuring flow. The arrangement includes a fluid control barrier and a flow-measuring apparatus upstream of the fluid control barrier. The fluid control barrier includes a pair of plates for opening and closing a pipe, and the plates are movable towards a center line of the pipe to open the pipe and produce a symmetrical flow profile for the flow-measuring apparatus.

Abstract: A multi-way valve includes a valve housing and a valve body. The valve housing has an inner space formed therein, and includes a plurality of coolant inlet ports spaced apart from each other along a side surface thereof and a coolant outlet port penetrated along a central axis thereof. The valve body is inserted into the valve housing and rotates around a rotation axis thereof coincident with or parallel to the central axis of the valve housing. The valve body includes a plurality of inlet parts spaced apart from each other along a side surface thereof and an outlet part formed along the rotation axis thereof, the inlet parts and the outlet part communicating with each other, the outlet part facing the coolant outlet port to be connected thereto, the inlet part being selectively connected to the coolant inlet port by rotation thereof around the rotation axis thereof.

Abstract: A pipe connectable plastic bucket includes a bucket and at least two quick-connect devices. The bucket has a plurality of through holes for communication between the inside and the outside of the bucket. The at least two quick-connect devices respectively correspond to the plurality of through holes, and are disposed on the bucket. The at least two quick-connect devices are adapted to connect to pipes, and are used for allowing a fluid entering and exiting the bucket through the plurality of the through holes. The at least two quick-connect devices comprise a first quick-connect device for allowing the liquid to enter and to exit the bucket. The present invention also provides a method of using the pipe connectable plastic bucket.

Abstract: A fluid management assembly. The fluid management assembly comprises a valve body, a first chamber, a second chamber, a first flow passage, a second flow passage, a third flow passage and a fourth flow passage, wherein the first flow passage, the second flow passage and the third flow passage have openings in an outer wall of the valve body; the valve body is provided with the second chamber, the second flow passage and a first passage; and the first passage can communicate the first chamber and the second chamber. The fluid management assembly is provided with a plurality of channels, the first chamber and the second chamber.

Abstract: The present invention provides a cold water discharge structure, which pertains to the technical field of shower equipment. It solves the problem of inconvenient use of existing cold water discharge device. The cold water discharge structure comprises a housing having an inlet and an outlet, a lateral part of the housing has a drainage hole capable of communicating with the inlet; a temperature sensing component is capable of moving under an elasticity effect of the elastic element to block communication between the inlet and the outlet and capable of communicating the inlet with the drainage hole; a temperature sensing component is capable of moving by overcoming an elasticity effect of the elastic element after sensing an increase in a medium temperature to block communication between the inlet and the drainage hole and capable of communicating the inlet with the outlet. The cold water discharge structure improves convenience of use.

Abstract: A rotary valve includes a rotary valve body defining a passageway from a first passageway port at an axial end surface of the rotary valve body to a second passageway port at an outer circumferential surface thereof. A valve housing has an inner surface defining each of an opening rotatably receiving the rotary valve body therein, a first housing port through which a fluid flows transverse to the axis of rotation of the rotary valve body, and a second housing port through which the fluid flows transverse to the axis of rotation of the rotary valve body. A flow path is formed between the inner surface of the valve housing and the outer surface of the rotary valve body with the flow path providing fluid communication between the first housing port of the valve housing and the first passageway port of the rotary valve housing.

Abstract: Apparatuses for controlling gas flow are important components for delivering process gases for semiconductor fabrication. These apparatuses for controlling gas flow frequently rely on flow restrictors which can provide a known flow impedance of the process gas. In one embodiment, a flow restrictor is disclosed, the flow restrictor constructed of a plurality of layers, one or more of the layers having a flow passage therein that extends from a first aperture at a first end of the flow restrictor to a second aperture at a second end of the flow restrictor.

Abstract: Valve handles and dual-valve assemblies having handles are disclosed herein. An example dual-valve assembly includes a first valve having a first shaft. The first valve has a plate with a notch. The dual-valve assembly also includes a second valve having a second shaft. The dual-valve assembly further includes a handle coupled to the first and second shafts, such that when the handle is rotated, the first and second shafts are rotated simultaneously. The handle includes a body and a flexible arm coupled to and extending from the body. The flexible arm has a lock edge sized to fit within the notch to limit rotation of the handle relative to the first and second valves.

Abstract: A valve has a valve housing with a valve seat and a valve body holder with a fluid-permeable flow opening. A valve body is arranged in the valve body holder and axially displaceable between an open state and a closed state of the valve. The valve body has an envelope surface with a sealing region for fluid-tightly contacting the valve seat in the closed state. It has a base region adjoining the sealing region in longitudinal direction. A cross section contour of the envelope surface increases monotonously from the sealing region to the base region. In the open state, an axial end of the base region contacts the valve body holder. The envelope surface has a weakened region connecting sealing region and base region to each other. The weakened region has a reduced stiffness along the longitudinal direction. The valve body is formed of a thermoplastic polyhalogen olefin.

Abstract: Valve assemblies, systems, and methods may include at least one purging assembly comprising at least one purge port extending through a valve body or housing in order to supply a purge fluid into the valve body or housing. The at least one purge port is positioned on the valve body or housing to redirect a portion of the purge fluid as the purge fluid exits the at least one purge port.

Abstract: The butterfly valve comprises a body in which an inserting space is formed; and a disk inserted into the inserting space of the body, wherein fluid flow is opened or closed in response to rotation of the disk, wherein the disk further includes: a disk body formed of a metal; a first plastic layer formed of a first plastic on the disk body; a second plastic layer formed of a second plastic on the first plastic layer, wherein a melting point of the first plastic layer is different from a melting point of the second plastic layer, and the disk body is formed of a framework structure having an internal space.

Abstract: A method and system for pipeline purging with reduced environmental impact. A vacuum and/or compressor system purges air or other gases from at least a section of the pipeline to create a vacuum in the pipeline. The vacuum can then be replaced with a fuel gas, avoiding a mixing of fuel and oxidant in the pipeline. The vacuum and/or compressor system can include a fuel gas monitoring leak-detection system to monitor for fuel presence in the purging air.

Abstract: A pig routing insert or drain is used in various subsea systems having a block structure, e.g., block manifolds, with a plurality of perforated fluid passages. The insert generally includes a substantially unrestricted flow opening configured to allow substantially unrestricted fluid flow and passage of a cleaning pig, and a partially restricted opening having at least one pig blocking structure, in which the partially restricted opening is configured to allow substantially unrestricted fluid flow through the partially restricted opening whilst blocking the passage of the cleaning pig through the partially restricted opening. A method for manufacturing and installing the pig routing insert or drain in a machined block manifold includes positioning a manufactured pig routing insert at an intersection of first and second perforated fluid flow holes formed in a body of a structure and fastening the manufactured pig routing insert within the intersection in the body.

Abstract: A drain valve (10) includes a housing (11), a fluid inlet (12), a gas outlet (13) and at least one liquid outlet orifice (19) arranged in a liquid outlet member (20) of the housing (11). The drain valve (10) furthermore includes a float (16) connected to a lever (17) on a first end (18). The float (16) is arranged in a float chamber (15) of the housing (11). The float chamber (15) is connected to the fluid inlet (12), the gas outlet (13) and the at least one liquid outlet orifice (19). The liquid outlet orifice (19) may be opened or closed by a closing member (21) that is connected to a second end (22) of the lever (17) and is rotatably connected to the liquid outlet member (20).

Abstract: A replacement cartridge for repairing rather than replacing an angle cock. The cartridge has a ball key with a ball and a shaft. A unitary ball seat that has first and second internal bearing surfaces for engaging the ball is used to support the ball key when installed in the angle cock body that is being repaired. A cover is positioned over the ball seat and defines a bore through which the shaft of the ball key extends. A handle is coupled to the shaft of the ball key so that a user may rotate the ball between the internal bearing surfaces between an open position and a closed position.

Abstract: A distributor pipe (1, 12, 12) for a distributor pipeline to distribute water to various places in a building structure. The distributor pipe has a through bore (15, 23) and two or more connections (3, 4, 24, 25) for connection of metal or plastic lubes or a valve (28), on the upper and/or the lower side of the 5 distributor pipe. The distributor pipe (1, 12, 22) connections (3, 4, 24, 25) are arranged in fluid communication with the through bore (15, 23) of the distributor pipe (1, 12, 22) on both sides of the distributor pipe through bore (15, 23) so that the centre axis of the bore of the connections (21) is situated outside of the through bore (15, 23). The connections (3, 4, 24, 25) on both sides of the 10 through bore are displaced in the longitudinal direction relative to each other.

Abstract: A bypass valve includes a base defining a base sealing surface, the base defining a upstream utility bore, a downstream utility bore, a meter inlet bore, and a meter outlet bore each extending into the base sealing surface; and a selector defining a selector sealing surface positioned in sealing engagement with the base sealing surface, the selector defining a primary passage and a secondary passage, the selector defining at least one primary passage bore extending into the selector sealing surface and connecting in fluid communication with the primary passage, the selector defining at least one secondary passage bore extending into the selector sealing surface and connecting in fluid communication with the secondary passage, the selector being rotatable relative to the base about and between a meter position and a bypass position, the selector connecting the upstream utility bore in fluid communication with the meter inlet bore in the meter position.