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Pressure and flow control system SYDFED-3X
Pressure and flow control system SYDFED-3X
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Version with axial piston variable displacement pump A10VSO.../32
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Size 45 … 180
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Component series 3X
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Maximum operating pressure 280 bar
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A SYDFED-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-DFPD-1X 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)
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Size |
45 | 71 | 100 | 140 | 180 | ||||
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Displacement |
Vg max |
cl |
45 | 71 | 100 | 140 | 180 | ||
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Max. speed |
Standard version |
no max |
rpm |
– | 1800 1) | ||||
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High-speed version |
no max |
rpm |
3000 2) | 2550 2) | 2300 2) | 2200 2) | – | ||
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Minimum speed |
nmin |
rpm |
50 | ||||||
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Max. flow (displacement) |
with max. speed (standard version) |
qv0 max |
l/min |
– | 128 | 180 | 252 | 324 | |
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with max. speed (high-speed version) |
qv0 max |
l/min |
135 | 181 | 230 | 308 | – | ||
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with nE = 1500 min-1 |
l/min |
67.5 | 106.7 | 150 | 210 | 270 | |||
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Max. power (Δp = 280 bar) |
with max. speed (standard version) |
P0 max |
kW |
– | 59.7 | 84 | 118 | 151 | |
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with max. speed (high-speed version) |
P0 max |
kW |
62.8 | 85 | 107 | 144 | – | ||
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with nE = 1500 min-1 |
kW |
31 | 50 | 70 | 98 | 125 | |||
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Max. torque (Δp = 280 bar, n0 max) |
Tmax |
Nm |
200 | 317 | 446 | 624 | 802 | ||
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Maximum permissible drive torque |
Splined shaft S overall torque |
Ttotal |
Nm |
– | 1104 | 1620 | |||
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Max. admissible through-drive torque |
TD |
Nm |
– | 778 | 1266 | ||||
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Splined shaft R overall torque |
Ttotal |
Nm |
400 | 644 | – | ||||
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Max. admissible through-drive torque |
TD |
Nm |
365 | 548 | – | ||||
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Drive shaft load |
 |
max. admissible axial force |
Fax max |
N |
1500 | 2400 | 4000 | 4800 | 800 |
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max. admissible radial force |
Fq |
N 3) |
1500 | 1900 | 2300 | 2800 | 2300 | ||
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Weight |
Pump without through-drive incl. pilot valve |
m |
kg |
32 | 49 | 71 | 75 | 80 | |
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in addition, preload valve |
m |
kg |
3.3 | 6.3 | |||||
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in addition, in case of external supply |
m |
kg |
2 | ||||||
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Moment of inertia around drive axis |
JTW |
kg·m² |
0.0035 | 0.0087 | 0.0185 | 0.0276 | 0.033 | ||
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Filling quantity of the housing |
V |
l |
1 | 1.6 | 2.2 | 3 | 2.7 | ||
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Nominal pressure |
pnenn |
bar |
280 | ||||||
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Maximum admissible operating pressure 4) |
pmax |
bar |
350 | ||||||
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Operating pressure, min. (without load) |
with preload valve |
pmin |
bar |
≥ 1 | |||||
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without preload valve |
pmin |
bar |
≥ 20 | ||||||
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in case of external supply (20 bar) |
pmin |
bar |
< 10 5) | > 10 5) | |||||
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Admissible inlet pressure |
p |
bar |
1 ... 10 | 0,8 ... 10 | 1 ... 10 | ||||
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bar |
– | 1 ... 10 | – | ||||||
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Hydraulic fluid |
Mineral oil (HL, HLP) to DIN 51524 | ||||||||
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Hydraulic fluid temperature range |
ϑ |
°C |
+70 | -20 … +70 | |||||
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Maximum admissible degree of contamination of the hydraulic fluid according to ISO 4406 |
Class 18/16/13 (for particle size ≤ 4/6/14 μm) | ||||||||
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1 |
Swash plate |
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2 |
Pilot valve |
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3 |
Counter piston |
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4 |
Actuating piston |
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5 |
Spring |
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6 |
Inductive position transducer for valve position |
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7 |
Swivel angle position sensor |
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8 |
Proportional solenoid |
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9 |
Valve spool |
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10 |
Spring |
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11 |
Pre-compression volume PCV |
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12 |
Integral electronics |
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14 |
Drive shaft |
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17 |
Connection flange |
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18 |
Through-drive U.. closed with cover |
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19 |
Connector XH4 |
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21 |
Multi Ethernet interface X7E2 |
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22 |
Configurable sensor interface X2M1 |
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23 |
Configurable sensor interface X2M2 |
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24 |
Reserved, X2N |
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25 |
Actual swivel angle value input X8A |