Pilot Operated Prop. Pressure Reducing Valve Series R4R*P2 (Denison)
Catalogue HY11-3500/UK
Characteristics / Ordering Code Proportional pressure reducing valves series R4R*P2 are based on the mechanically adjusted series R4R. The additional proportional unit between the mechanical pilot valve and the main stage allows continuous pressure adjustment. The optimum performance can be achieved in combination with the digital amplifier module PCD00A-400.
Features • Pilot operated with proportional solenoid • Normally closed to avoid undesired motion • Continuous adjustment by proportional solenoid • 2 interfaces - L-body (R4R06-G¾", R4R10-G1¼") - T-body (R4R03-G½", R4R06-G1") • 3 pressure stages • With mechanical maximum pressure adjustment
R4R10*P2 L-body
R4R06*P2 L-body
Ordering code
R4R Pressure reducing valve
2
5 Nominal size
Code
Nominal size
03
NG10 (G½")
06
NG25 (G1" - T-body, G¾" - L-body)
10
NG32 (G1¼")
Max. pressure 350 bar
Body
Pressure stages
Adjustment
P2
G0R
Drain Proportional Solenoid pressure voltage line ext. control 12V= from pilot head (Y1)
B Design series
Seal
Code 1 5
Seal NBR FPM
Code 1
Adjustment Hand knob Acorn nut with lead seal
3 Code 6 D
Body R4R03 T-body R4R06 T-body R4R06 L-body R4R10 L-body
Options
Code Pressure stages 1 up to 105bar 3 up to 210bar 5 up to 350bar
Pilot Operated Prop. Pressure Reducing Valve Series R4R*P2 (Denison)
Technical data R4R General Size Mounting Mounting position Ambient temperature Weight Hydraulic Max. operating pressure Pressure stages Nominal flow Fluid Fluid temperature Viscosity permitted Viscosity recommended Filtration Electrical (prop. solenoid) Duty ratio Nominal voltage Max. current Coil resistance Protection class Power amplifier
T-body 03 (½") Threaded body unrestricted [°C] -20...+50 [kg] 5.0
L-body 06 (1")
06 (¾")
10 (1¼")
5.1
7.4
8.4
[bar] Ports A, B and X up to 350; Port Y depressurized [bar] 105, 210, 350 [l/min] 60 200 200 Hydraulic oil as per DIN 51524...525 [°C] -20...+80 [cSt]/[mm2/s] 20...380 [cSt]/[mm2/s] 30 ISO 4406 (1999) 18/16/13 (acc. NAS 1638: 7) [%] [V] [A] [Ohm]
450
100 12= 2.3 4 at 20°C IP65 in accordance with EN 60529 (plugged and mounted) PCD00A-400
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