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Pavlovsky Mashinostroitelny Zavod Voskhod
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Electro-hydraulic actuators and electro-hydraulic actuators for control systems
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INDUSTRIAL APPLICATION
Servovalves
Hydraulic distributors
Electro-hydraulic actuators
Pneumatic actuators
Pneumatic cylinders
Gas cylinders
Piping accessories
Electro-pneumatic valves
Solenoid valves
Feedback transducers
Automated equipment and rigs
SERVOVALVES

Servovalves

UG-176 (with magnet zero adjustment)

Application:

  • railway repair equipment;

  • testing equipment;

  • machine-tool construction;

  • metallurgy
UG-176

Technical characteristics
Rated flow at p=70 kgf/cm2, l/min rom 4 up to 85
Operating pressure range, kgf/cm2 70...280
Control coil resistance, Ohm from 20 up to 1000
Mass, kg, maximum 1.3


UG-177 (explosion-proof design)

Application:

  • gas-compressor stations;

  • equipment operating in explosive medium.
UG-177-02UG-177-03
Technical characteristics
Operating pressure range, kgf/cm2 70...210
Rated flow at p=70 kgf/cm2, l/min 20/40
Control coil resistance, Ohm from 20 up to 1000
Mass, kg, maximum 1,1


Direct Drive Valve UG-133M

DDV is used to control operating fluid flow in hydraulic system.

Direct Drive Valve UG-133M

Technical characteristics
Rated flow at ∆P=7MPa , l/min 5,10,20,40
Threshold, % of Urated, maximum 0,5
Null bias, % of Urated, maximum 2,0
Hysteresis, % of Urated, maximum 0,5
Electronic module supply voltage, V 2228
Mass, kg, maximum 2


Servovalve RM400-400

This servovalve is used to control fluid flow in accordance with a control signal

Application: manipulators, machine automatic adjustment systems.

Technical characteristics
Pressure differential in the pressure line, kgf/cm2 70
Rated flow at ∆P = 70 kgf/cm2, l/min 1035
Coil resistance, Ohm 220
Mass, kg, maximum 0,66


PM15-500
(small-size servovalve)

This small-size servovalve is used to control flow in accordance with control signals.

Application: flight control actuators, manipulators, automatic control systems where mass requirements are stringent.

Technical characteristics
Operating pressure range, kgf/cm2 210 280
Rated flow at ∆P = 210 kgf/cm2, l/min from 0.3 up to 4
Coil resistance, Ohm 220
Mass, kg maximum 0,35


EGU-202
(two-channel electrohydraulic servovalve)

two-channel electrohydraulic servovalve EGU-202 It is intended to be used in control systems with high redundancy level:

  • two electrical control channels;
  • two-coil torque motor;
  • two spool position feedback transducers;
  • friction-free moving elastic pipe supporting the armature and the flapper;
  • washing of the control stage filter with fluid stream of the second stage;
  • positioning pin in the valve base preventing a wrong installation.


Technical characteristics
rated flow range at control signal 3.75 V from 1.5 up to 20 l/min
each coil resistance 220±22 Ohm
supply pressure from 70 up to 280 kgf/cm2
transducer power supply alternating current in the view of sinusoidal form with voltage 12 0.6 V and frequency 2400 120 Hz
mass, kg, maximum 0.65


EGU-203
(two-channel electrohydraulic servovalve)

two-channel electrohydraulic servovalve EGU-203 It is intended to be used in control systems with high redundancy level:

  • two electrical control channels;
  • two-coil torque motor;
  • two spool position feedback transducers;
  • friction-free moving elastic pipe supporting the armature and the flapper;
  • washing of the control stage filter with fluid stream of the second stage;
  • positioning pin in the valve base preventing a wrong installation.
Technical chatacteristics
rated flow range at control signal 3.75 V from 6 up to 50 l/min
each coil resistance 220±22 Ohm
supply pressure from 70 up to 280 kgf/cm2
transducer power supply alternating current in the view of sinusoidal form with voltage 12 0.6 V
and frequency 2400 120 Hz
mass, kg, maximum 0,65


UG-83B

Application: flight control actuators, manipulators, automatic control systems with severe requirements for mass

UG-83B

Technical characteristics
Operating pressure, kgf/cm2 210
Rated flow, l/min 12±1,2
Frequency at 90-deg out of phase (P=210 kgf/cm2, Icontrol = 25%Irated), Hz 200
Rated control current, mA, at - parallel connection 10
Control circuit resistance, Ohm 500
Each winding resistance 1000
Mass, kg, maximum 0,4

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