نام محصول:
دریچه
نام انگلیسی:
Ball valve FSDMOFSV1
برند:
Parker Cylinder Division Europe
مشخصات:
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.
This type of motor-operated fuel shutoff valve is either a ball-valve style or barrel type and is designed with one or more of the following –
functions: (1) to cut-off fuel flow into the engine in the event of a fire, (2) to allow fuel cross transfer between left and right wing tanks for in- –
flight CG control, and (3), and to provide APU isolation. –
The material and finishes used in the construction of the valve and those of similar, previously qualified, valves are unaffected by several –
environmental conditions listed in RTCA DO-160 and MIL-STD-810. This elegantly simple design is extremely reliable and several variations of –
this valve have been produced by Parker for over 30 years. –
The actuator mounted on top of the valve is capable of driving the valve from OPEN to CLOSED and from CLOSED to OPEN with a nominal 28 –
VDC motor and maintains the last commanded position in the event of a dual command. –
When the actuator is electrically commanded to open, supply voltage is applied directly to the motor to overcome the initial high-friction –
torque and drives the ball/barrel valve open. At the end of the stroke, the power-limiting switch turns off the supply voltage to the motor and –
causes the motor to stop. The end stroke-position switch is also activated; sending full open indication signal to the controller. Upon –
electrical command to close, a relay changes voltage direction to the motor and the actuator travels back to the closed position.
توضیحات:
Type
ball
Operation
electric
Function
for control, isolation, stop
Media
for water, for fuel
Applications
motor, motor, actuator, relay
Associated function
transfer
Pressure
Min.: 0 psiMax.: 60 psi
Temperature
Min.: -67 °C(-89 °F)Max.: 185 °C(365 °F)
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