Embodiments of a valve assembly and a plumbing system incorporating the same are provided herein. In some embodiments, a valve assembly for use with an enclosed environment includes a housing having an interior volume, an inlet disposed at a first end of the housing and fluidly coupled to an environment surrounding the housing, and an outlet disposed at a second end of the housing opposite the first end and fluidly coupled to the enclosed environment; a first valve having a first valve seat and a first sealing member at least partially extending through a first opening in the first valve seat in a closed position; and a second valve disposed beneath the first valve and having a second valve seat and a second sealing member at least partially extending through a second opening in the second valve seat in a closed position.

An example control valve is disclosed herein and includes a valve body having a substantially axial fluid flow path extending from an upstream face surface to a downstream face surface of the valve body. A crank is disposed within the valve body, and a reciprocating valve trim, external to the valve body, is coupled to the crank and abuts the downstream face surface of the valve body.

A system includes a trip manifold assembly (TMA). The TMA includes a plurality of block valves configured to receive a flow of fluid from a hydraulic power unit (HPU), and a plurality of solenoid valves configured to admit the flow of fluid to actuate the plurality of block valves, a plurality of dump valves, and a plurality of relay valves of the TMA. The plurality of solenoid valves is configured to admit a respective portion of the flow of fluid. The plurality of dump valves is configured to depressurize a trip header of the TMA as an output to operate a plurality of stop valves coupled to a turbine system. The TMA is configured to regulate the flow of fluid to control the operation of the plurality of stop valves as a mechanism to interrupt an operation of the turbine system.

Provided is a joint device which can be connected by quick and simple operation while being subjected to high-pressure high-flow-rate pressurized operating oil. The present invention comprises: a closed chamber 27 provided in a hydraulic circuit on which pressurized fluid acts, the pressurized fluid circuit having an upstream side and a downstream side, which are closed by an upstream-side stop valve 211 and a downstream-side stop valve 212; a male joint 30 provided at a position in communication with the closed chamber 27; and a female joint 40 connectable to the male joint 30 and provided in an emergency hydraulic circuit connected to the hydraulic circuit. The present invention is configured so that the female joint 40 is connected to the male joint 30 while the closed chamber 27 is closed by the upstream-side stop valve 211 and the downstream-side stop valve 212.

An apparatus configured for displacing fluid from a fluid container comprises first and second actuators configured to be movable together until the first actuator compresses a first part of the fluid container and then moveable independently until the second actuator compresses a second part of the fluid container. Fluid containers comprise a first vessel, a second vessel, and a sealing partition preventing fluid flow from the second vessel and further include a piercing point for piercing the sealing partition to permit fluid flow from the second vessel. A fluid container comprises a vessel configured to be collapsed to displace fluid from the vessel, a housing surrounding at least a portion of the vessel, and a floating compression plate movably disposed within the housing and configured to permit an external actuator to press the compression plate into the vessel to collapse the vessel and displace the fluid contents therefrom.

A system provides regulated delivery of a high-pressure gas. A first flow path, coupled to a high-pressure gas source, is in fluid communication with a chamber. A flow restrictor, disposed in the first flow path, slows the gas traveling along the first flow path to the chamber. A second flow path, coupled to the high-pressure gas source, is in fluid communication with the chamber. A third flow path connects the chamber to a pressure regulator. A valve, disposed in the second flow path, seals the second flow path when gas pressure at the source exceeds gas pressure in the chamber. The valve opens the second flow path when the gas pressure at the source is balanced with the gas pressure in the chamber allowing the high-pressure gas to flow to the regulator via the third flow path.

Some embodiments disclosed herein relate to a medical connector with an internal cavity with an internal closure system having a dome valve configured to resist retrograde fluid flow caused by various sources, including patient activity and fluid administration activity. A proximal closure system with a seal member and a moveable plug are also located within the internal cavity.

The present invention provides an adjustable flow regulator for a water mixer that, when in use, is disposed in a fluid path between a mixer cartridge and a mixer outlet of the water mixer, the adjustable flow regulator comprises a regulator body having a fluid inlet in fluid communication with the mixer cartridge to receive mixed water therefrom, and a fluid outlet in fluid communication with the mixer outlet. The regulator body further comprises a control element moveable within the regulator body, wherein the control element is moveable to adjustably restrict the fluid path and thereby flow of mixed water exiting the outlet.

A valve device includes a valve casing 21, an intermediate rod portion 29, and an intermediate actuator unit 30. In the valve casing 21, a rod insertion hole into which the intermediate rod portion 29 can be inserted is formed. The intermediate actuator unit 30 includes a hydraulic cylinder that causes a piston rod portion to advance and retreat in a direction orthogonal to a second center axis direction D2. The hydraulic cylinder includes a rod guide portion that guides movement of the piston rod portion. A gap between an inner circumferential surface of the rod insertion hole and an outer circumferential surface of the intermediate rod portion 29 is formed to be wider than a gap between an inner circumferential surface of the rod guide portion and an outer circumferential surface of the piston rod portion.

Methods for managing a hazardous fluid within a pipeline and within a storage facility, and in particular for managing a potential or actual leak of the hazardous fluid. Such methods include the detection of such an event by one or more sensors, and the containment and the mitigation of the event.