A throttling valve that allows an operator to remove and replace the flow trim of the throttling valve without disassembling and/or removing the throttling valve from a flow line, and without removing an actuator, which eliminates the need to recalibrate said actuator. The throttling valve also allows drops in fluid pressure to be staged upstream and/or downstream of a main multi-port-disc trim within the same valve body to help prevent cavitation and freezing of fluids contained within the valve. The throttling valve also allows direct connection of actuators to a valve body.

An exemplary pharmaceutical compounding system and device for mixing materials from at least two distinct material sources can include a transfer set and junction structure that has a junction body, a first inlet port located at a first portion of the junction body, a second inlet port located at a second portion of the junction body, and an outlet port located at a third portion of the junction body. The junction structure can be configured to mix fluid received from both the first inlet port and second inlet port and to deliver the fluid to the outlet port. The junction structure can also include attachment structure located on the junction body and configured to attach the junction structure to the housing of the compounding device at a location downstream of a pump system.

Gas flow control valves comprising a valve housing including a cylindrical interior passage, and a housing opening extending from the interior passage through the housing. The gas flow control valve further comprises a cylindrical rotary valve element including a sidewall, and a rotary valve element opening extending through the sidewall. The valve element is rotatably received within the interior passage of the valve housing, such that the housing opening may be selectively aligned with the rotary valve element opening, and an area of overlap of the housing opening and the valve element opening may be varied by rotating the valve element within the interior passage of the valve housing.

An exemplary pharmaceutical compounding system and device for mixing materials from at least two distinct material sources can include a transfer set and junction structure that has a junction body, a first inlet port located at a first portion of the junction body, a second inlet port located at a second portion of the junction body, and an outlet port located at a third portion of the junction body. The junction structure can be configured to mix fluid received from both the first inlet port and second inlet port and to deliver the fluid to the outlet port. The junction structure can also include attachment structure located on the junction body and configured to attach the junction structure to the housing of the compounding device at a location downstream of a pump system.

An automatic inflation device includes a valve body, a miniature motor and a centrifugal impeller. The valve body is provided with an air inlet and an inflation inlet, a check valve that is unidirectionally opened outwards the valve body is provided at the inflation inlet, a wind chamber and a wind guide path connected with the wind chamber are configured in the valve body, the miniature motor and the centrifugal impeller are installed in the wind chamber, the centrifugal impeller is actuated by the miniature motor, the wind chamber is communicated with the inflation inlet via the wind guide path, and the air inlet is communicated with a wind inlet of the wind chamber. The structure of the device is compact and reduced, which is applicable to directly install into inflation products. The device can inflate automatically and efficiently, and the structure is simplified and easy to actualize.

The invention relates to a pressure regulator with fine control, which has a simple structure and prevents the pressure of a fluid from rotating a stem to thereby improve reliability of a product. The fluid flowing into an inlet port of a housing flows out through an outlet port of the housing or is blocked according to the rotation angle of the stem.

An exemplary pharmaceutical compounding system and device for mixing materials from at least two distinct material sources can include a transfer set and junction structure that has a junction body, a first inlet port located at a first portion of the junction body, a second inlet port located at a second portion of the junction body, and an outlet port located at a third portion of the junction body. The junction structure can be configured to mix fluid received from both the first inlet port and second inlet port and to deliver the fluid to the outlet port. The junction structure can also include attachment structure located on the junction body and configured to attach the junction structure to the housing of the compounding device at a location downstream of a pump system.

A plug valve assembly includes a valve carried in a valve body and including a spindle coupled to a plug. The spindle may have an appendage coupled to a sidewall of the plug, and circumferentially extending about a rotational axis less than 180 angular degrees, such that the spindle appendage is registrable with a valve body outlet to selectively reinforce the plug sidewall and thereby resist blowout of the plug sidewall into or through the valve body outlet. The spindle may be composed of nylon and the plug may be composed of liquid silicone rubber.

An exemplary pharmaceutical compounding system and device for mixing materials from at least two distinct material sources can include a valve including a valve housing and a valve structure located within the valve housing. The valve structure can be configured to permit fluid to flow through the valve when in an open position, and can include a gravity wall wherein, when the valve structure is in the open position, fluid moving through the valve structure moves upward against a force of gravity when travelling through the valve and traversing the gravity wall.

A stopcock controls the flow of a liquid under pressure through a dispensing tube with an upstream portion separated by the stopcock from a downstream portion. The stopcock includes a housing portion with a chamber defined by a housing peripheral wall surrounding a longitudinal z-axis. The housing peripheral wall has an inner surface of revolution with a housing inlet opening connectable to the upstream portion of the dispensing tube. The stopcock includes an outlet connector connectable to the downstream portion of the dispensing tube and comprising an outlet opening. A plug defined by a plug outer peripheral wall snugly fitting the inner surface of revolution of the housing peripheral wall. The plug can rotate within the chamber about the longitudinal z-axis. The plug has a through-channel extending from an upstream opening located on the plug outer peripheral wall, to a downstream opening, such that the plug can be rotated about the longitudinal z-axis from a flow position to a sealed position, wherein, the plug outer peripheral wall comprises a seal protrusion topped by a ridge and forming a closed loop defining a blank area of the plug outer peripheral wall, such that, in the sealed position, the housing inlet opening of the housing peripheral wall faces the blank area and is circumscribed within the seal protrusion. The plug outer peripheral wall has a flow protrusion topped by a ridge circumscribing the upstream opening such that, in the flow position, the inlet opening of the cylindrical chamber peripheral wall is circumscribed by the flow protrusion, wherein said flow protrusion preferably shares a common portion of protrusion with the seal protrusion.