BUCHER Flow Divider Bucher Hydraulics MTDA08-012R Flow Divider

Bucher Hydraulics MTDA08-012R Flow Divider

3
Technical data
General characteristics
Unit
Description, value
Maximum operating pressure
bar
420
Oil temperature range
°C
-20 ... +80
mm2/s
10 ... 300
Viscosity range
Maximum admissible level of contamination of the hydraulic fluid
ISO 4406 class 20/18/15 achievable with a filter rating of ß10 y75
Nitrile seals
NBR
4
Characteristic curves
4.1 Pressure drop characteristics
4.2 Division accuracy
Pressure drop v. flow rate with oil viscosity of 35 mm2/s (QZu 100% = QNenn)
(without Decompression orifice) Division error v. flow rate with oil viscosity of 35 mm2/s
(QZu 100% = QNenn) MTDA16HD
p [bar]
[%]
20
4
MTDA08HD
3 15
2 1
1 10
0 2
-1
5
-2 -3
0 0
20
40
1
MTDA08HD
2
MTDA08HD
60
80
-4
100 QZu [%]
0
2
4
6
8
100 QZu [%]
IMPORTANT : Division accuracy 3 %of the maximal flow rate, based on nominal volume flow range of the respective
flow divider (see example abs. 6.2). For higher division ac­ curacy contact Bucher Hydraulics.
4.2.1
Anti-shock valve
4.2.2
Make-up valve
Q [l/min] p [bar]
= flow rate from actuator to tank = pressure difference from actuator to tank
Q [l/min] p [bar]
= flow rate from tank to actuator = pressure difference from tank to actuator
p [bar] 350
14
300
12
250
10
200
8
150
6
100
4
50
2
0
p [bar]
0 0
10
20
30
40
50
60 Q [l/min]
0
10
20
30
40
Q [l/min]
For flow rates < 60 l/min contact Bucher Hydraulics
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100-P-000101-EN-05/03.2020 High Pressure Flow Divider MTDA..HD