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12.
EHAS SYSTEM DATA
12.1. Working condition
-ambient temperature
-area classification
-enclosure protection, waterproof
12.2. System performances
-Accuracy
-frequency response
12.3. Electrical and hydraulic features
a) Electric voltage supply (admissible voltage drop 15%)
b) Electric power supply
c) Hydraulic pump flow rate
d) Maximum pressure set value (Differential relief valve, item 10.2 par 11.4)
e) Pressure switch motor re-starting set (item 13 Par 11.4)
f) Accumulator pre-charging pressure value
g) Accumulator oil displacement (isothermal from 100 to 150 bar)
h) Hydraulic controls flow rate with control valves
i) Hydraulic control flow rate with high speed control valve
j) Hydraulic power pack oil content
k) Oil cleanliness
12.4. Hydraulic oil characteristics
OIL quantity
Oil name
Oil type
Flash point
Pour point
Kinematics viscosity at + 40 °C
Equivalent to: ESSO Nuto 22; BP Energol SHF22; SHELL Tellus oil 22; MOBIL D.T.E. 11
12.5. Valve torque requirement
VALVE ND/CLASS
Break torque to open
Running torque
End torque to close
Max stem torque allowable
12.6. Actuator performances
ACTUATOR MODEL
Break torque to open (Spring starting)
Running torque
Oil starting torque with 110 bar
Oil starting torque with 150 bar
Oil ending torque with 90 bar
Oil ending torque with 150 bar
Max torque allowable
MDE142E0
(valve low change over)
EHAS (OLGAS-M 3S-2000-100-OP)
41/60
from –30 C to +60 C
safe area
IP 67
+/- 0,5%
1 Hz
400 V 50 Hz 3Ph
0,75 kW
2.6 l/min
150 bar
130 bar
110 bar
80 bar
5,19 l
38 l/min
300 l/min
30 l
< NAS 10
60 l
AGIP, Arnica 22
mineral
105 °C
< -58 °C
20,8 cSt
32"/150
2771 Nm
765 Nm
2476 Nm
23726 Nm
11611 Nm
5183 Nm
8949 Nm
17498 Nm
8278 Nm
18608 Nm
30000 Nm
06/04/04
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