HESS Hydraulic Equipment Systems and Solutions

Гидравлическое Оборудование Системы и Решения

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Pressure and flow control system SYDFEC-3X

min-slider-1

Pressure and flow control system SYDFEC-3X

  • Version with axial piston variable displacement pump A10VSO.../32
  • Size 45 … 180
  • Component series 3X
  • Maximum operating pressure 280 bar
  • A SYDFEC-3X control system is used for the electro-hydraulic control of swivel angle, pressure and power (partially optional, see type key pilot control and preload valve and ordering code accessories) of an axial piston variable displacement pump.
    The control system consists of the following components:
  • Axial piston variable displacement pump A10VSO.../32
  • VT-DFPC-.2X proportional valve as pilot valve with integrated electronics including inductive position transducer for valve position sensing.
  • Position transducer for sensing the swivel angle
  • Pressure transducer with suitable signal level and dynamics (optionally HM 20, otherwise separate order)
  • Preload valve with integrated pressure relief function SYDZ (optional)

Size

45 71 100 140 180

Displacement

Vg max

cl

45 71 100 140 180

Max. speed

Standard version

no max

rpm

1800 1)

High-speed version

no max

rpm

3000 2) 2550 2) 2300 2) 2200 2)

Minimum speed

nmin

rpm

50

Max. flow (displacement)

with max. speed (standard version)

qv0 max

l/min

128 180 252 324

with max. speed (high-speed version)

qv0 max

l/min

135 181 230 308

with nE = 1500 min-1

 

l/min

67.5 106.7 150 210 270

Max. power (Δp = 280 bar)

with max. speed (standard version)

P0 max

kW

59.7 84 118 151

with max. speed (high-speed version)

P0 max

kW

62.8 85 107 144

with nE = 1500 min-1

 

kW

31 50 70 98 125

Max. torque (Δp = 280 bar, n0 max)

Tmax

Nm

200 317 446 624 802

Maximum permissible drive torque

Splined shaft S overall torque

Ttotal

Nm

1104 1620

Max. admissible through-drive torque

TD

Nm

778 1266

Splined shaft R overall torque

Ttotal

Nm

400 644

Max. admissible through-drive torque

TD

Nm

365 548

Drive shaft load

max. admissible axial force

Fax max

N

1500 2400 4000 4800 800

max. admissible radial force

Fq

N 3)

1500 1900 2300 2800 2300

Weight

Pump without through-drive incl. pilot valve

m

kg

32 49 71 75 80

in addition, preload valve

m

kg

3.3 6.3

in addition, in case of external supply

m

kg

2

Moment of inertia around drive axis

JTW

kg·m²

0.0035 0.0087 0.0185 0.0276 0.033

Filling quantity of the housing

V

l

1 1.6 2.2 3 2.7

Nominal pressure

pnenn

bar

280

Maximum admissible operating pressure 4)

pmax

bar

350

Operating pressure, min. (without load)

with preload valve

pmin

bar

≥ 1

without preload valve

pmin

bar

≥ 20

in case of external supply (20 bar)

pmin

bar

> 10 5)

Admissible inlet pressure

p

bar

1 ... 10 0,8 ... 10 1 ... 10

bar

1 ... 10

Hydraulic fluid

  Mineral oil (HL, HLP) to DIN 51524

Hydraulic fluid temperature range

ϑ

°C

-20 … +70

Maximum admissible degree of contamination of the hydraulic fluid according to ISO 4406

  Class 18/16/13 (for particle size ≤ 4/6/14 μm)
1) The values are applicable at an absolute pressure of 0.8 bar at suction opening S.
2) The value is applicable at an absolute pressure of 1.0 bar at suction opening S.
3) In case of higher radial forces, please consult us
4) See also data sheet 92714
5) In continuous operation; in case of operation below 10 bar, observe the notes

1

Swash plate

2

Pilot valve

3

Counter piston

4

Actuating piston

5

Spring

6

Inductive position transducer for valve position

7

Swivel angle position sensor

8

Proportional solenoid

11

Pre-compression volume PCV

12

Integral electronics

13

Connector X1

14

Drive shaft

15

Connector X2 for connection of the HM 20 pressure transducer cable version (only with actual pressure value input F)

16

Mating connector X3 for connection of the CAN bus

17

Connection flange

18

Through-drive U.. closed with cover

 

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