Abstract: A high pressure fluid control device includes a valve body defining an inlet, an outlet, and a throat disposed between the inlet and the outlet. The valve body defines a longitudinal axis. A valve seat is disposed in the throat and includes a sloped surface. A seat support is disposed in the throat and is adjacent to the valve seat. The seat support includes a sloped surface adjacent to the sloped surface of the valve seat. A control element is disposed in the valve body and includes a stem and a seating surface. The control element is movable between an open position, in which the seating surface is spaced away from the valve seat, and a closed position, in which the seating surface engages the valve seat. The sloped surface of the seat support provides a rigid support to the valve seat to resist deformation of the valve seat.

Abstract: A high pressure fluid control device includes a valve body defining an inlet, an outlet, and a throat disposed between the inlet and the outlet. The valve body defines a longitudinal axis. A valve seat is disposed in the throat and includes a sloped surface. A seat support is disposed in the throat and is adjacent to the valve seat. The seat support includes a sloped surface adjacent to the sloped surface of the valve seat. A control element is disposed in the valve body and includes a stem and a seating surface. The control element is movable between an open position, in which the seating surface is spaced away from the valve seat, and a closed position, in which the seating surface engages the valve seat. The sloped surface of the seat support provides a rigid support to the valve seat to resist deformation of the valve seat.

Abstract: A valve assembly includes a sensing cavity and a piston cavity defined in valve body and/or in a bonnet. A piston head of a piston may be disposed within the piston cavity, and a piston stem has an end portion in contact with valve plug. A baffle plate has a first surface defining a portion of the sensing cavity and a second surface defines a portion of the piston cavity. The baffle plate includes at least one baffle aperture such that the sensing cavity is in fluid communication with the piston cavity, and pressure in the sensing cavity acts on a surface of the piston head to displace the piston and the valve plug between an open and closed position. The at least one baffle aperture is adapted to restrict the flow of fluid between the sensing cavity and the first working volume.

Abstract: A valve assembly includes a sensing cavity and a piston cavity defined in valve body and/or in a bonnet. A piston head of a piston may be disposed within the piston cavity, and a piston stem has an end portion in contact with valve plug. A baffle plate has a first surface defining a portion of the sensing cavity and a second surface defines a portion of the piston cavity. The baffle plate includes at least one baffle aperture such that the sensing cavity is in fluid communication with the piston cavity, and pressure in the sensing cavity acts on a surface of the piston head to displace the piston and the valve plug between an open and closed position. The at least one baffle aperture is adapted to restrict the flow of fluid between the sensing cavity and the first working volume.

Abstract: A high pressure three-way control valve comprises a valve body defining first, second, and third ports disposed in selective fluid communication with each other via a control element. The control element is movable between a first seated position and a second seated position to selectively control the direction of fluid between the first and second port, or alternatively, between the first and third port. So configured, the control valve serves a function that conventionally requires two valves plumbed together.

Abstract: A fluid dispensing system includes a manifold having a fluid outlet port to dispense fluid from a plurality of fluid supply containers. The system additionally includes a plurality of valves connected to the manifold for controlling the flow of fluid from the containers. The manifold and valves are configured such that all fluid flow connections are disposed within the manifold, thereby reducing and/or eliminating the amount of piping required external to the manifold. So configured, the valves include simple cartridge-type devices that are easily installed into and removed from the manifold.

Abstract: The present disclosure is directed to a flow control device, such as a regulator, for controlling fluid flow between an inlet port and an outlet port, and having an internal adjustment mechanism for varying the outlet pressure of the device, including the pressure required to close the device. The device may include first and second components, such as a body and a bonnet, demountably attached to form a housing of the device and defining an internal device cavity. A piston is disposed and movable within the device cavity, and in fluid sealing relationship with the inner surface of the device cavity. The components and the piston are configured to define a channel within the device cavity placing the inlet port in fluid communication with the outlet port, and with the piston being movable between a closed position preventing fluid flow and an open position allowing fluid flow to the outlet port.

Abstract: A high-pressure regulator includes body having a pressure inlet and a pressure outlet. A piston is disposed in the body and fluidly coupled to the pressure inlet and the pressure outlet. The piston is configured to operate in compression to contact a seat ring for the purpose of controlling the flow of fluid from the pressure inlet to the pressure outlet in response to a pressure applied to a surface of the piston via the pressure outlet. A piston seat circumferentially engages the piston to provide an improved seal at low temperatures.

Abstract: A control element of a bi-directional valve is in fluid communication with an outlet pressure and an inlet pressure when the valve is closed such that a sum of the forces applied to the control element result in a net force urging the control element to seat against a valve seat. The valve includes a valve body carrying the valve seat. The control element is balanced on an outlet side of the valve seat such that the outlet pressure applies approximately no net force to the control element. In contrast, the control element is unbalanced on an inlet side of the valve seat such that inlet pressure applies a net force on the control element to bias the control to seat against the valve seat.

Abstract: A tank manifold assembly for use in combination with fuel tanks of Hydrogen fuel cell-powered vehicles. The manifold assembly incorporates a regulator, an excess flow valve, a manual shutoff valve, and ports to receive separate components. The separate components may include, by way of example, a thermal relief valve, a pressure sensor, a pressure relief valve, a check valve, thermal temperature sensors, and a low pressure solenoid valve. The tank assembly is versatile and easily customized to particular applications.

Abstract: A high pressure three-way control valve comprises a valve body defining first, second, and third ports disposed in selective fluid communication with each other via a control element. The control element is movable between a first seated position and a second seated position to selectively control the direction of fluid between the first and second port, or alternatively, between the first and third port. So configured, the control valve serves a function that conventionally requires two valves plumbed together.

Abstract: A control element of a bi-directional valve is in fluid communication with an outlet pressure and an inlet pressure when the valve is closed such that a sum of the forces applied to the control element result in a net force urging the control element to seat against a valve seat. The valve includes a valve body carrying the valve seat. The control element is balanced on an outlet side of the valve seat such that the outlet pressure applies approximately no net force to the control element. In contrast, the control element is unbalanced on an inlet side of the valve seat such that inlet pressure applies a net force on the control element to bias the control to seat against the valve seat.

Abstract: A fluid dispensing system includes a manifold having a fluid outlet port to dispense fluid from a plurality of fluid supply containers. The system additionally includes a plurality of valves connected to the manifold for controlling the flow of fluid from the containers. The manifold and valves are configured such that all fluid flow connections are disposed within the manifold, thereby reducing and/or eliminating the amount of piping required external to the manifold. So configured, the valves include simple cartridge-type devices that are easily installed into and removed from the manifold.

Abstract: The gas valve assembly includes a housing with a bore and a main valve body and a main valve stem mounted therein. The valve body has a fluid passage fluidly connecting the inlet and one of a housing and valve body outlet with the valve stem mounting a valve seat and being movable for blocking fluid flow through the passage. In two embodiments, the housing is threadable to the neck portion of a vessel for the inlet opening to the vessel interior and the main valve body mounts a manual operated shut off valve extending within the valve body to selectively block fluid flow through the passage and an excess flow valve to block fluid flow through the passage when the flow to the outlet is greater than desired. The last two mentioned valves include a common piston in the fluid passage.

Abstract: An example pressure regulator includes body having a pressure inlet and a pressure outlet. A piston is disposed in the body and fluidly coupled to the pressure inlet and the pressure outlet. The piston is configured to operate in compression to contact a valve seat for the purpose of controlling the flow of fluid from the pressure inlet to the pressure outlet in response to a pressure applied to a surface of the piston via the pressure control outlet.

Abstract: The inline flow control device includes housing with a tubular portion coaxially aligned with the tubular portion of a fitting threaded to the housing. A piston has a bore extending therethrough with the tubular portions extended thereinto in axial spaced relationship, the fitting tubular portion mounting a valve seat to abut against a piston internal shoulder when the piston has axially moved relative to the tubular portions to a blocking position to block fluid flow through the device. The piston enlarged diametric portion bottom surface is in fluid communication with the piston bore in both of the piston positions but not in fluid communication with the body high pressure inlet when the piston is in its blocking position. A spring resiliently urges the piston in its blocking position. Two embodiments are pressure regulators while the third is a balanced valve.

Abstract: The gas control assembly includes a control body threaded to a vessel neck to extend into the vessel containing pressurized fluid and has a fitting in the body bore which in conjunction therewith provides a part of a first fluid passageway from an inlet in the vessel and an outlet to the ambient atmosphere. A manually operated valve and a pressure regulator are provided in the first passageway exterior of the vessel. In one embodiment the control body has a second passageway opening through a relief device to the vessel interior and to the ambient atmosphere while in a second embodiment a relief device is provided exterior of the vessel and opens to the first passageway. A main valve is provided in the first passageway and is moved to an open condition when a solenoid is energized.

Abstract: The gas control assembly includes a control body threaded to a vessel neck to extend into the vessel containing pressurized fluid and has a fitting in the body bore which in conjunction therewith provides a part of a first fluid passageway from an inlet in the vessel and an outlet to the ambient atmosphere. A manually operated valve and a pressure regulator are provided in the first passageway exterior of the vessel. In one embodiment the control body has a second passageway opening through a relief device to the vessel interior and to the ambient atmosphere while in a second embodiment a relief device is provided exterior of the vessel and opens to the first passageway. A main valve is provided in the first passageway and is moved to an open condition when a solenoid is energized.

Abstract: The internally piloted dome loaded pressure reducing regulator includes a regulator body with a main valve portion and a pilot valve portion. The inlet is fluidly connected to the main valve bore which in turn is connected to the pilot valve bore. Each of the pilot and main valve members are spring urged to a closed position while the pilot valve is moved to an open position by a diaphragm when there is a decrease of pressure in the pilot chamber. A continuous fluid connection is provided from the pilot chamber, including through the main valve member, to a control chamber portion below a piston which is moved under pressure to open the main valve member. The piston has a bleed hole bottom chamber portion to the top control portion which in turn is fluidly connected to the outlet.

Abstract: The inline flow control device includes housing with a tubular portion coaxially aligned with the tubular portion of a fitting threaded to the housing. A piston has a bore extending therethrough with the tubular portions extended thereinto in axial spaced relationship, the fitting tubular portion mounting a valve seat to abut against a piston internal shoulder when the piston has axially moved relative to the tubular portions to a blocking position to block fluid flow through the device. The piston enlarged diametric portion bottom surface is in fluid communication with the piston bore in both of the piston positions but not in fluid communication with the body high pressure inlet when the piston is in its blocking position. A spring resiliently urges the piston in its blocking position. Two embodiments are pressure regulators while the third is a balanced valve.