VNII Signal
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item
VNII Signal R&D is applied to manufacture this item

Hydraulics

Pumps

Swash plate pumps and bent axis pumps are designed to control hydraulic motor by generating hydraulic fluid flow, adjustable in volume and direction.

Specifications:
FeatureValue
Pump displacement, см3153350107112300400
Pump typeSwash plate pump for closed-centre/ open-centre hydraulic circuitsBent axis pump for open-centre hydraulic circuits Swash plate pump for closed-centre/ open-centre hydraulic circuits
Max. output pressure, MPa35
Max. rotation speed, rpm

For closed-centre hydraulic circuits:
3800 / 3000

For open-centre hydraulic circuits:
1700

1700

For closed-centre hydraulic circuits:
3000 / 2600 / 2100

For open-centre hydraulic circuits:
1700 / 1200

Warranty life2 years since putting into operation
Operating conditionsUKhL1 as per GOST15150-69

Hydraulic Motors

Swash plate/bent axis hydraulic motors are used to control various actuators of stationary and mobile applications by converting the energy of hydraulic fluid flow into torque moment of the shaft.

Specifications:
FeatureValue
Pump displacement, cm3153350112180300400
Type of hydraulic motorswash platebent axisswash plate
Max. input pressure, MPa35
Max. rotation speed, rpm3800300026002100
Warranty life2 years since putting into operation
Operating conditionsUKhL1 as per GOST15150-69

Pumps and hydraulic motors of the increased capacity provide high transmission ratio, good dynamics, stepless regulation of speed, and ease of operation. Fixed motors and variable displacement motors with manual, hydraulic, and electro hydraulic control are available.

Solenoid Pilot-Operated Directional Control Valves

Directional control valve with electrical position feedback is used as a part of an arc furnace electrode position system to provide accurate electrode position and high quality of the adjusting of arc parameters during metal melting.

The directional control valve comprises electronic control unit and solenoid pilot-operated directional control valve with spool position sensor.

Specifications:
FeatureValue
Inside diameter, mm6.5
Nominal flow, l/min12±1.5
Electromagnet supply voltage, V24(+6.0;-3.6)
Max operating pressure, MPa (kgf/cm2)10-2(100-20)
Drain pressure, MPa (kgf/cm2)3+0.5(30+5)
Inside diameter, mm1620
Max. flow, l/min240300
Max. input pressure, MPa32
* Max. control pressure from autonomous hydraulic power source3.5
Min. dead zone, % of control signal, at the most3
Metering characteristic hysteresis, % of control signal, at the most5
Metering characteristic unsymmetry, % of control signal, at the most10
Supply voltage of control unit, V24
Input signal of control system (controller), mA±20
Hydraulic fluidMineral oil (viscosity of 10 to 40 mm/s2)
Weight, kg, at the most1822

* Alternative design with pressure regulator without an autonomous power supply.

AYuIZh.306111.004, AYuIZh.306111.015, and AYuIZh.306111.016 directional control valves provide change of fluid flow direction, or its start up and shut down:

Hydraulic Control Panel

AYuIZh.306556.002 hydraulic control panel is designed to convert mechanical energy of unidirectional rotation of pump output shaft into mechanical energy of rotation of hydraulic motor output shaft with frequency and direction being adjusted according to the volume and polarity of the input electric signal of pump control mechanism.

Specifications:
FeatureValue
Pump displacement, cm333
Flow rate, l/min, at least96
Rotation speed of the pump shaft, min-13000

Pump pressure:

  • nominal, MPa (kgf/сm2)
  • maximum, MPa (kgf/сm2)
  • 16 (160)
  • 32 (320)
Weight, kg425

AYuIZh.306556.003 /AYuIZh.306556.005 hydraulic control panel varies volume and direction of fluid flow according to the volume and polarity of the input electric signal of pump control mechanism.

Specifications:
FeatureValue
Pump displacement, cm3140
Rotation speed of the pump shaft, min-1from 1050 to 2100

Pump pressure:

  • nominal, MPa (kgf/сm2)
  • maximum, MPa (kgf/сm2)
  • 16 (160)
  • 32 (320)
Weight, kg418

Unit Pumps

AYuIZh.063831.009 unit pump converts electrical energy supplied to electric motor to vary volume and direction of fluid flow according to the volume and polarity of the input electric signal of pump control mechanism of automatic hydraulic actuator.

Specifications:
FeatureValue
Electric motor power supply, V, Hz220, 50
Nominal motor power, kW7.5
Pump displacement, cm315
Flow rate, l/min, at least42

Pump pressure:

  • nominal, MPa (kgf/сm2)
  • maximum, MPa (kgf/сm2)
  • 16 (160)
  • 32 (320)
Weight, kg165

AYuIZh.063831.010 unit pump varies fluid flow volume and direction according to the volume and polarity of the input electric signal of pump control mechanism of automatic hydraulic actuator.

Specifications:
FeatureValue
Electric motor power supply, V, Hz380, 50
Nominal motor power, kW22
Pump displacement, cm350
Flow rate, l/min, at least150

Pump pressure:

  • nominal, MPa (kgf/сm2)
  • maximum, MPa (kgf/сm2)
  • 25 (250)
  • 32 (320)
Weight, kg620

Hydraulic Cylinders

AYuIZh.306417.034 and AYuIZh.306417.010 hydraulic cylinders are linear displacement hydraulic motors by design, which convert fluid flow energy into reciprocating motion of the rod.

Specifications:
FeatureValue
AYuIZh.306417.010AYuIZh.306417.034
Mounting dimensions, mm1365550
Standby pressure of the hydraulic cylinder, at the most, MPa0.451.5
Rod max. speed, m/s0.50.4
Weight of the hydraulic cylinder including hydraulic fluid, at the most, kg4811.5
Piston diameter, mm8063
Rod diameter, mm5032

Transducers

Rotary Encoders

Small-size AYuIZh.401261.006 and AYuIZh.401261.008 rotary encoders are used to provide output AC/DC voltage, which is proportional to the rotation angle.Low operation costs and high reliability are gained due to small-size sealed housing.

Specifications:
FeatureValue
Rotation range, degrees±40
Supply voltage, V
Frequency, Hz
(36±2) AC
400
Min. output voltage at 20 kΩ resistance, mV35
Output voltage steepness, mVs/deg0.4
Warranty life5 years since putting into operation
Operating conditionsGroup 1.7.1 of О climate design category as per GOST RV 20.39.304-98
Weight, kg0.8

Pressure Transducer

Pressure transducer is designed to generate electric signal dependent functionally on hydraulic fluid pressure in power line of hydraulic actuator.

Specifications:
FeatureValue
Operating pressure, MPaup to 1.6 MPa, 16 MPa, 25 MPa, 40 MPa

Transducer power supply:

  • Voltage, V
  • Frequency, Hz
  • 36.0 ± 3.6
  • 400 ± 16
Signal winding resistance, kΩ5
Operating conditionsGroup 1.7.1 of О climate design category as per GOST RV 20.39.304-98
Weight, kg0.47

Reservoirs

Reservoirs are designed to compensate hydraulic fluid leakages and volumetric changes, caused both by temperature and by actuating cylinder rod motion.

Specifications:
FeatureValue
AYuIZh.307341.005AYuIZh.307341.008AYuIZh.307341.009AYuIZh.307341.013AYuIZh.307341.015
Reservoir volume, l31001.5536
Weight of the filled reservoir, kg4.51553.96.865
Warning of min. level of hydraulic fluidAvailableAvailableNot availableAvailableAvailable

Hydraulic Power Units

RUITs.303369.001 and RUITs.303369.002 hydraulic power units for 30 l/min and 100 l/min, respectively, are designed to provide variable by volume and pressure flow of hydraulic fluid with at least 5 class output purity as per GOST17216-2001 to support tests of units and assemblies of hydro pneumatic systems and electro-hydraulic servo drives.

Specifications:
FeatureValue
RUITs.303369.001RUITs.303369.002

Output pressure of hydraulic fluid:

  • Flow rate from 1 to 10 l/min, safety block valve is turned off, MPa
  • Flow rate from 1 to 30 l/min, safety block valve is turned on, MPa
  • Flow rate from 5 to 45 l/min, safety block valve is turned off, MPa
  • Flow rate from 5 to 100 l/min, safety block valve is turned on, MPa
  • from 1 to 35
  • from 1 to 35
  • from 1 to 35
  • from 1 to 35
Flow rate, provided by hydraulic power unit, l/minfrom 1 to 30from 5 to 100
Drain pressure of the hydraulic power unit, MPafrom 0.1 to 0.6from 0.1 to 0.7
Absolute error of measurement of fluid temperature, °С, at the most±2

Power supply of hydraulic power unit:

  • Voltage of 3-phase current, V
  • Frequency, Hz
  • 380±38
  • 50.0±0.4
Power consumption of hydraulic power unit1745
Hydraulic fluidMG-7-B oil as per TU 38.401-58-101-2007
Fluid purity class as per GOST 17216-2001, better than5
Fluid temperature at the output of hydraulic power unit, °Сfrom 5 to 35
Weight of hydraulic power unit, kg9001600
Hydraulic fluid volume, l110330
Overall dimensions, WxDxH, mm1700х825х20101700х825х2010
MTBF, h50005000
Warranty operation time since manufacturing date, years, at the most55

Hydraulic Station

Hydraulic station is designed to operate as a part of automated control system of generating unit of a small hydro-power plant.

Specifications:
FeatureValue
Pump number, pc2
Output pressure of hydraulic fluid, MPa10
Flow rate, provided by each pump, l/min18

Power supply of hydraulic station:

  • voltage of 3-phase current, V
  • frequency, Hz
  • 380±38
  • 50.0±0.4
Power consumption of hydraulic station, kW7
Hydraulic fluidHydraulic oil as per GOST 9972-74
Weight of hydraulic station, kg500
Reservoir volume, l100
Overall dimensions, WxDxH, mm2200x1000x800
MTBF, h5000
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