HESS Hydraulic Equipment Systems and Solutions

Гидравлическое Оборудование Системы и Решения

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Pressure and flow control system SYDFE1-2X

min-slider-1

Pressure and flow control system SYDFE1-2X

  • Version with axial piston variable displacement pump A10VSO.../31
  • Size 18 … 140
  • Component series 2X
  • Maximum operating pressure 280 bar
  • A SYDFE1-2X 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) of an axial piston variable displacement pump.
    The control system consists of the following components:
  • Axial piston variable displacement pump A10VSO.../31
  • VT-DFP-.2X proportional valve as pilot valve including inductive position transducer for valve position sensing.
  • External control electronics VT 5041-3X for realizing all electric functions necessary for the SYDFE1-2X (separate order)
  • 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

18 28 45 71 100 140

Displacement

Vg max

cl

18 28 45 71 100 140

Speed

maximum at Vg max

nnom

rpm 1)

3300 3000 2600 2200 2000 1800

maximum at Vg < Vg max

nmax zul

3900 rpm 1) 3600 rpm 1) 3100 rpm 1) 2600 rpm 1) 2400 rpm 1) 2100 rpm 1)

Minimum speed

nmin

rpm

50

Max. flow (displacement)

at nnom and Vg max

qV max

l/min

59.4 84 117 156 200 252

with nE = 1500 min-1and Vg max

qvE max

l/min

27 42 68 107 150 210

Max. power (Δp = 280 bar)

at nnom and Vg max

P max

kW

27.7 39 55 73 93 118

with nE = 1500 min-1and Vg max

PE max

kW

12.6 20 32 50 70 98

Max. torque (Δp = 280 bar)

Tmax

Nm

80.1 125 200 316 445 623

Maximum permissible drive torque

Fitting key

Ttotal

Nm

88 137 200 439 857 1206

Splined shaft S overall torque

Ttotal

Nm

124 1104 1620

Max. admissible through-drive torque

TD

Nm

108 778 1266

Splined shaft R overall torque

Ttotal

Nm

225 400 644

Max. admissible through-drive torque

TD

Nm

176 365 548

Drive shaft load

max. admissible axial force

Fax max

N

700 1000 1500 2400 4000 4800

max. admissible radial force

Fq

N 2)

350 1200 1500 1900 2300 2800

Weight

Pump without through-drive incl. pilot valve

m

kg

14 17 23 35 47 62

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

kg·m²

0.0009 0.0017 0.0033 0.0083 0.0167 0.0242

Filling quantity of the housing

l

0.4 0.7 1 1.6 2.2 3

Maximum admissible operating pressure

pmax

bar

280 3)

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 4)

Admissible inlet pressure

p

bar

0,8 ... 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

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

9

Valve spool

10

Spring

15

Drive shaft

16

Connection flange

17

Subplate, optionally with through-drive

 

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