A two-way injection valve having a primary flow path to allow chemical injection into an annulus area surrounding production tubing and a secondary flow path to allow chemical injection into the inside of the production tubing via a tubular member of the production tubing. A method of using the two-way injection valve includes the step of injecting chemical into an annulus area via a two-way injection valve. The method also includes the step of injecting chemical inside of production tubing via the two-way injection valve.

A single one time use valve, based on a Shape Memory Alloy (hereinafter—SMA) actuating component, wherein the valve comprises a nipple component given to shearing and shoving from the instant of its being severed off, in a manner that enables passage of the gas or the liquid from the valve's inlet flow opening to the valve's outlet flow opening wherein the valve is a valve of the normally closed type, or enables stopping of said gas or liquid passage from the inlet flow opening to the outlet flow opening, wherein the valve is a valve of the normally open type, and wherein the valve is characterized by that the inlet flow opening and outlet flow opening are formed substantially on at least one plain, that extends in its direction wherein it is substantially orthogonal to the valve's house assembly lengthwise axis and wherein a physical demarcation exists all the time between the gas or liquid to the valve's SMA made actuating component.

A terminal fixture is provided for installation at the end of each sprinkler head drop in a fire protection system. The terminal fixture is an automatic valve device that operates in response to the installation or removal of a sprinkler head from the fixture itself. When the sprinkler head is removed the terminal valve operates to close the end of the sprinkler drop feed line to prevent flow of fire protection fluid by preventing an open system. When a sprinkler head is reinstalled into the valve, the valve plunger is automatically displaced to an open position to restore full and unobstructed flow to the sprinkler head returning the drop to full and operable status. In this manner, no manual valves are added to the system which would prevent failsafe operation thereof.

A method and system for determining a position of a linearly translating member. The method may comprise transmitting an excitation into a linearly translating member through one or more couplers from an acoustic device disposed in an outer housing, recording a reflected excitation from the linearly translating member with the acoustic device, and identifying a position of the linearly translating member with respect to the acoustic device. The system may comprise an outer housing, a linearly translating member disposed within the outer housing, an acoustic device disposed in the outer housing and configured to transmit an excitation at various frequencies and various amplitudes and record returned excitation frequencies and amplitudes and time of travel, and an information handling system in communication with the acoustic device.

The invention relates to an anti-blocking seawater desalination device based on graphene filtering, comprising heating device, solar heat-collecting device, fresh water condensation heat-exchange device and thermal-expansion and cold-shrinkage control valve mechanism; the heating device can fully heat and distill seawater, the sprayed seawater is distilled by graphene heat-conduction layers to improve the distillation efficiency and avoiding blocking; the distilled water vapor enters into fresh water condensation heat-exchange device to exchange heat with seawater, increasing the seawater temperature, making full use of the heat in water vapor, and increasing water vapor condensation speed; the distilled concentrated seawater enters into the thermal-expansion and cold-shrinkage control valve mechanism, the flow of seawater entering into the heating device is controlled by the concentrated seawater temperature, when the temperature is too high, the flow of the seawater entering into the heating device increases, and when the temperature is too low, the flow decreases.

A fluid valve includes a valve body having a fluid inlet and a fluid outlet. A fluid passageway connects the fluid inlet and the fluid outlet. A trim assembly is located within the fluid passageway, the trim assembly controlling fluid flow through the fluid passageway. The trim assembly includes valve plug having an integrated staged pressure recovery.

A method and apparatus for selective connection of a first fluid communication region to a further fluid communication region at a subsea location and a flexible pipe are disclosed. The apparatus comprises a valve body that includes a primary passageway extending from a first port of the valve body, and connectable to a first fluid communication region, to a further port of the valve body, connectable to a further fluid communication region, the valve body comprising a channel intersecting the primary passageway and extending between an open channel end and a closed channel end; at least one slidable member comprising a slidable body locatable in the channel and comprising a slidable member fluid passage extending through or around the slidable body; and at least one biasing element locatable proximate to at least one of the open channel end or closed channel end, for biasing the slidable body towards the open channel end; wherein the slidable member is slidable along a longitudinal axis of the channel responsive to a local environmental pressure provided at the open channel end.

A fluid valve includes a valve body having a fluid inlet and a fluid outlet. A fluid passageway connects the fluid inlet and the fluid outlet. A trim assembly is located within the fluid passageway, the trim assembly controlling fluid flow through the fluid passageway. The trim assembly includes valve plug having an integrated staged pressure recovery.

A two-way injection valve having a primary flow path to allow chemical injection into an annulus area surrounding production tubing and a secondary flow path to allow chemical injection into the inside of the production tubing via a tubular member of the production tubing. A method of using the two-way injection valve includes the step of injecting chemical into an annulus area via a two-way injection valve. The method also includes the step of injecting chemical inside of production tubing via the two-way injection valve.

In one example, an apparatus for filtering a fluid (e.g., a plastic melt having impurities) includes a housing which has at least one inlet for introduction of the fluid and an outlet for delivery of the fluid and a cavity formed in the housing by wall portions of the housing for receiving a sieve support, and a sieve support which is arranged moveably in the cavity of the housing and has a longitudinal axis for receiving at least one filter element for filtering the fluid. The sieve support externally has a plurality of integrally formed raised portions and/or raised portions and/or recesses are formed at wall portions of the housing, that delimit the cavity, such that provided between the wall portion and the sieve support are a plurality of gaps/cavities, by means of which a slight fluid flow is enabled in operation. Another example concerns a valve arrangement.