航空阀

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.

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.

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.

派克航空航天自动排气阀在闭式液压系统中自动检测和排出空气，无需维护人员的介入。设备可以通过飞机的计算系统直接控制。

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

电动燃油截止阀采用立柱式安装，由28 VDC电刷式电动执行机构驱动，在电气控制下打开和关闭。

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.

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.

如液压系统某个远程区域的系统温度降至所需温度以下，派克加热阀可以向该降温区域提供少量的加热回路流量，同时确保对系统设备的优先流量供应。

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.

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.

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

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.

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.

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

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.

<p>派克航空阀类产品和相关设备包括通风阀，加热阀，分离阀，停机刹车阀，排气阀，燃油旋启阀，检查挡板，压力调节式切断以及马达-电磁阀操控式燃油注油/卸油切断阀，切断阀容积补偿器，起落架收上油缸，液压油箱，推拉式主油缸，液压熔断装置，减摆阻尼器和电磁阀组。</p>

aerospace-valves

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