Válvulas aeroespaciales

Precision Check and Relief Valves

Precision Check and Relief Valves

Precision check and relief valves are designed by Parker Stratoflex to provide high reliability, small envelope size and low pressure drop performance while meeting challenging application requirements in aerospace engine and hydraulic fluid systems.

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Potable-Water Fill and Lavatory Rinse/Fill Valves

Potable-Water Fill and Lavatory Rinse/Fill Valves

The potable water fill valves and lavatory rinse/fill valves provide a durable and reliable interface for connecting to ground service carts. Each interface is sized to only connect to the correct service hose.

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Anti-Ice Pressure Regulating Shut-Off Valve

Anti-Ice Pressure Regulating Shut-Off Valve

Parker Aerospace anti-ice pressure regulating shut-off valve controls the application of HP3 air to the downstream anti-ice pressure relief valve to maintain the engine intake (nacelle) free from ice under fault-free operation.

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Solenoid Bank

Solenoid Bank

Incorporates a number of solenoid valves (two to six) that are used to control pneumatic valves. The solenoid bank is designed to be located in zone two of the engine. The solenoid valves are connected, via servo pipes, to individual pneumatic valves.

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Vent Valve

Vent Valve

Vent valves are often installed to close the vent lines when fuel is present. As fuel rises in the tank, the float swings up due to buoyancy forces until the poppet mates against the housing.

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Park Brake Valves

Park Brake Valves

Parker's park brake valves are designed for long, reliable service life while holding the aircraft stationary in the closed (locked) position. Valve models range from fairly simple devices to more complex models with additional features.

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Automatic Air Bleed Valve

Automatic Air Bleed Valve

The Parker Aerospace automatic bleed valve provides automatic detection and bleeding of air in a closed-hydraulic system without input from maintenance personnel. The device may be controlled directly through the aircraft's computing system.

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Hydraulic Fuses

Hydraulic Fuses

Highly engineered valve installed within fluid conveyance systems to prevent the loss of reservoir fluid in the event of loss of system pressure.

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Breakaway Valve

Breakaway Valve

Proven lifesavers, Stratoflex’s breakaway valves separate under high loads on fluid lines exceeding a predetermined value. Upon separation, the valves automatically seal the fluids in the lines to effectively prevent spills.

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Dual Flow Shutoff Valve (DFSOV)

Dual Flow Shutoff Valve (DFSOV)

Parker's dual flow shutoff valve (DFSOV) is used on the inert gas generation system of an aircraft to control the nitrogen enriched air (NEA) flow to the fuel tanks.

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Aerospace and PowerGen Electrohydraulic Servovalve Three-/Four-Way

Aerospace and PowerGen Electrohydraulic Servovalve Three-/Four-Way

A series of three- or four-way electrohydraulic servovalves (EHSVs) that drive actuators or motors in closed-loop servosystems used to control position, velocity, and force in hydraulic systems, fuel systems, and engine control applications.

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Fuel Check Baffle Valves

Fuel Check Baffle Valves

The wing tank is divided into a number of semi-sealed compartments that allow easy fuel migration inboard while minimizing fuel migration outboard. The compartments contain check valves that are the boundaries between compartments.

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Fuel Swing Check Valves

Fuel Swing Check Valves

The fuel swing check valve is an inline, swing flapper check valve that has many uses; one of which is to prevent reverse fuel flow from the ejector pumps to the engine feed subsystem.

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Motor-Operated Fuel Shutoff Valve

Motor-Operated Fuel Shutoff Valve

The motor-operated fuel shutoff valve is spar-mounted and is driven by a 28 VDC brush-type motor actuator to open and close when electrically commanded.

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Solenoid-Operated Refuel Shutoff Valve

Solenoid-Operated Refuel Shutoff Valve

When the aircraft is connected to a ground refueling source, the fuel management system commands the refuel shutoff valve to close when the selected fuel quantity is reached in conjunction with the refuel control solenoid or pilot-operated float valve.

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Engine Feed Shutoff Valve (SOV)

Engine Feed Shutoff Valve (SOV)

Engine feed shutoff valves are ball valves operated by 28 vdc motor actuators. Each valve is installed in an engine feed fuel line to prevent fuel from flowing into wing fire zones during an engine shutdown.

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Transient Bleed Valve

Transient Bleed Valve

A transient bleed valve (TBV) is used to expand the stall margin of a turbine engine’s compressor by controlling the outlet of bleed air from the engine’s compressor.

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Heater Valve

Heater Valve

The Parker heater valve provides a small heating circuit flow to remote areas of a hydraulic system when the system temperature in that area drops below the desired temperature, while ensuring devices in the system receive flow priority.

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Climb and Dive Valves

Climb and Dive Valves

The climb and dive valve controls tank-to-ambient and ambient-to-tank pressure differentials during ground and flight operations. When an aircraft climbs, ambient air pressure decreases; during aircraft descent, ambient pressure increases.

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Handling Bleed Valve (HBV)

Handling Bleed Valve (HBV)

Handling bleed valves (HBVs) control the outlet of bleed air from the engine and into other aircraft systems. They are primarily used for engine starting, transient bleed, and surge control.

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Turbine Clearance Control Valve (TCCV)

Turbine Clearance Control Valve (TCCV)

The turbine clearance control valve (TCCV) modulates the flow of cooling air into turbine tip clearance control systems in gas turbine engines.

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Auxiliary Power Unit (APU) Feed Shutoff Valve (SOV)

Auxiliary Power Unit (APU) Feed Shutoff Valve (SOV)

The auxiliary power unit (APU) feed shutoff valve is a ball valve operated by a 28 VDC motor actuator. The valve is installed in the APU feed fuel line to prevent fuel from flowing into the APU compartment during an APU shutdown.

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Refuel Control Solenoid Valve

Refuel Control Solenoid Valve

Refuel control solenoid valves are installed in the pilot lines between the refuel-shutoff valves and the fuel tanks. When powered open, they enable the refuel-shutoff valves to open for fueling. When closed, their refuel valves close also.

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Filter Bypass Valves

Filter Bypass Valves

Parker Aerospace filter bypass valve provides emergency flow of lubricating oil to turbine engines when the filter is clogged or missing.

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Pressure-Regulating Valves

Pressure-Regulating Valves

Pressure-regulating valve is a control valve that reduces the input pressure of a fluid to a required value at its output. Alternatively, it is a valve that works in a way that at a certain pressure, it automatically stops the flow of a liquid.

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