Parker Hannifin Corporation
Hydraulics Group
Catalogue HY11-3500/UK
8
R-RS_E UK.INDD 16.05.17
Pilot Operated Pressure Relief Valves
Series R / RS*E
8-36
K J U G
12 V = 24 V = 98 V = 205 V =
±10 ±10 ±10 ±10
2.72 1.29 0.33 0.13
32.7 31 31.9 28.2
General
Nominal size
NG16 NG25 NG32 NG40 NG50 NG63
Interface Slip-in mounting acc. ISO 7368
Mounting position as desired, horizontal mounting preferred
Ambient temperature [°C] -20...+60
MTTF
D
value [years] 75
Weight [kg] 2.7 5.2 6.4 9.5 15.2 24.3
Hydraulic
Max. operating pressure [bar] Ports A and X 350, ports B and Y 30
Pressure stages [bar] 75, 105, 175, 210, 250, 350
Nominal flow [l/min] 220 500 950 1400 2300 4000
Fluid Hydraulic oil according to DIN 51524
Fluid temperature [°C] -20...+70 (NBR: -25...+70)
Viscosity, permitted [cSt] /
recommended [cSt] /
[mm²/s]
[mm²/s]
20...400
30...80
Filtration ISO 4406 (1999); 18/16/13
Electrical (solenoid)
Duty ratio 100 % ED; CAUTION: coil temperature up to 150 °C possible
Protection class IP65 in accordance with EN 60529 (with correctly mounted plug-in connector)
Code
Supply voltage [V]
Tolerance supply voltage [%]
Current consumption [A]
Power consumption [W]
Solenoid connection Connector as per EN175301-803, solenoid identification as per ISO 9461
Wiring min. [mm²] 3 x 1.5 recommended
Wiring length max. [m] 50 recommended
Technical Data
R*E
General
Nominal size
NG16 NG25 NG32 NG40 NG50 NG63
Interface Slip-in mounting acc. ISO 7368
Mounting position as desired, horizontal mounting preferred
Ambient temperature [°C] -20...+60
MTTF
D
value
[years]
75
Weight [kg] 2.2 3.5 4.9 8.0 13.7 22.8
Hydraulic
Max. operating pressure [bar] Ports A and X up to 350, Ports B and Y 30
Pressure stages [bar] 75, 105, 175, 210, 250, 350
Nominal flow [l/min] 220 500 950 1400 2300 4000
Fluid Hydraulic oil according to DIN 51524
Fluid temperature [°C] -20...+70 (NBR: -25...+70)
Viscosity, permitted [cSt] /
recommended [cSt] /
[mm²/s]
[mm²/s]
20...400
30...80
Filtration ISO 4406 (1999); 18/16/13
RS*E