A valve for pressurized fluid having a body housing a fluid circuit having an upstream end configured to be placed in communication with a reserve of pressurized fluid and a downstream end configured to be placed in communication with a user of fluid, the circuit including a collection of valve shutter(s) comprising at least one shutoff valve shutter allowing the circuit to be closed or opened, the valve including a mechanism for manually controlling the collection of valve shutter(s), the control mechanism being mounted with the ability to move on the body between a rest position in which the collection of valve shutter(s) is in a position in which the circuit is closed and an active position in which the control mechanism actuates the collection of valve shutter(s) into a position in which the circuit is open to a first bore section.

A valve for pressurized fluid having a body housing a fluid circuit having an upstream end configured to be placed in communication with a reserve of pressurized fluid and a downstream end configured to be placed in communication with a user of fluid, the circuit including a collection of valve shutter(s) comprising at least one shutoff valve shutter allowing the circuit to be closed or opened, the valve including a mechanism for manually controlling the collection of valve shutter(s), the control mechanism being mounted with the ability to move on the body between a rest position in which the collection of valve shutter(s) is in a position in which the circuit is closed and an active position in which the control mechanism actuates the collection of valve shutter(s) into a position in which the circuit is open to a first bore section.

A valve for pressurized fluid, including a body having a front face and a rear face and housing an internal fluid circuit having an upstream end configured to be placed in communication with a reserve of pressurized fluid and a downstream end configured to be placed in communication with a user of fluid, the circuit including a collection of valve shutter(s) including at least one shutoff valve shutter for closing or opening the circuit, the valve comprising a member for manually controlling the collection of valve shutter(s).

A valve for pressurized fluid, including a body having a front face and a rear face and housing an internal fluid circuit having an upstream end configured to be placed in communication with a reserve of pressurized fluid and a downstream end configured to be placed in communication with a user of fluid, the circuit including a collection of valve shutter(s) including at least one shutoff valve shutter for closing or opening the circuit, the valve comprising a member for manually controlling the collection of valve shutter(s).

A valve assembly having a bolt with a through hole for a security wire includes at least one valve of the valve assembly mechanically coupled to a pipe or to a section of another component of the valve assembly by a coupling or by a pair of mating flanges. At least one hollow bolt is bolted through a closing bolt hole of the coupling or a joining bolt hole of the pair of mating flanges. The at least one hollow bolt accepts a safety wire run completely through the hollow bolt in a longitudinal direction of the hollow bolt and extending completely through the closing bolt hole of the coupling or the joining bolt hole of the pair of mating flanges.

A valve assembly having a bolt with a through hole for a security wire includes at least one valve of the valve assembly mechanically coupled to a pipe or to a section of another component of the valve assembly by a coupling or by a pair of mating flanges. At least one hollow bolt is bolted through a closing bolt hole of the coupling or a joining bolt hole of the pair of mating flanges. The at least one hollow bolt accepts a safety wire run completely through the hollow bolt in a longitudinal direction of the hollow bolt and extending completely through the closing bolt hole of the coupling or the joining bolt hole of the pair of mating flanges.

A switching valve includes a base having a bottom wall. The switching valve includes a body that couples to the base to define a cavity between the body and the bottom wall. The body includes through holes that are each fluidly coupled to the cavity. The switching valve includes a driven slider set disposed within the cavity and having sub-sliders evenly distributed about the base. The switching valve includes driving rods each movably coupled to one of the through holes of the body. Each driving rod moves in a linear direction relative to the through holes to block or unblock each through hole. Each sub-slider slides in a linear direction responsive to movement of the driving rods. Only one through hole is unblocked at one time.

A switching valve includes a base having a bottom wall. The switching valve includes a body that couples to the base to define a cavity between the body and the bottom wall. The body includes through holes that are each fluidly coupled to the cavity. The switching valve includes a driven slider set disposed within the cavity and having sub-sliders evenly distributed about the base. The switching valve includes driving rods each movably coupled to one of the through holes of the body. Each driving rod moves in a linear direction relative to the through holes to block or unblock each through hole. Each sub-slider slides in a linear direction responsive to movement of the driving rods. Only one through hole is unblocked at one time.

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.

A device for shutting off a pipe, the pipe allowing fluidic circulation of at least one fluid, the shut-off device having an in-line shut-off means for shutting off the pipe in a sealed manner and, conversely, for opening the pipe, an upstream valve arranged upstream of the in-line shut-off means, and a downstream valve arranged downstream of the in-line shut-off means. The shut-off device has an interlocking system for interlocking a member for tightly closing the in-line shut-off means with, for the one part, an upstream control member of the upstream valve and, for the other part, a downstream control member of the downstream valve, the interlocking system being movable in translation in a direction OX between a first end position and a second end position, the interlocking system having at least three separate parts assembled together.