EPK-20

FULL NAMEELECTRIC DRIVEN FAUCET 20

 

DESCRIPTION

The faucet is aimed to use in aircraft fuel systems. The faucet is one unit that consists of electric drive (electric motor, reducer, block of microswitches and connector) and hydraulic module (case with two thermal valves, spherical gate and mechanical position indicator of spherical gate).

 

CHARACTERISTICS

Working fluidНГЖ-5У
Working temperature range-60…+60 °С
Supplying system of mechanismdouble-wired
Rated supply voltage27 V
Range of supply voltage24,0 … 29,4 V
Emergency supply voltage18 … 31 V
Transposition time of spherical gate. Time till the spherical gate moves from one extreme position to another at rated range of supply voltage, temperature and working fluid pressureup to 5 sec
Consumption current at rated range of supply voltage, temperature and working fluid pressureup to 2,3 А
Passage diameter of throat35 mm
Working fluid pressure:
– rated0,25 mPa
– overpressureup to 0,4 mPa
– overpressure at the moment spherical gate closingup to 0,8 mPa
Hydraulic resistance of completely opened spherical gate at ambient and working fluid temperature 25±10 °С and flow 500 lpm0,005 mPa
Thermal valve cracking is supported at closed gate and pressure increasing from the one of the sides of the gate higher then:
– for construction 10,35 mPa
– for construction 20,45 mPa
Assigned operating timenot less than 50 000 hours of flying
Life till first overhauling and overhaul lifenot less than 15 000 hours of flying
Mass1,5 kg

 

INTEGRATION

AircraftAn-148
AircraftAn-158
AircraftAn-178