Catalog HY15-3501/US
Parker Hannifin Corporation
Hydraulic Cartridge Systems
Check
Valves
Shuttle
Valves
Load/Motor
Controls
Flow
Controls
Pressure
Controls
Logic
Elements
Directional
Controls
Manual
Valves
Solenoid
Valves
Proportional
Valves
Coils &
Electronics
Bodies &
Cavities
Technical
Data
SH
CV
LM
FC
PC
LE
DC
MV
SV
PV
CE
BC
TD
PV33
N.C. Proportional Needle Valve
Series DF201CTechnical Information
Performance Curves
General Description
Normally Closed Proportional Needle Valve. This valve
is designed specifically for bleed off or unloading
circuits. Back pressure will affect performance. For
additional information see Technical Tips on pages
PV1-PV6.
Features
•
On-off type solenoids
•
Low hysteresis
•
PWM signal preferred
•
All external parts zinc plated
Specifications
Rated Flow Low Watt 180 LPM (48 GPM)
Valve Fully Open High Watt 325 LPM (60 GPM)
(At 100 PSI
∆∆
∆∆
∆P)
Maximum Inlet 210 Bar (3000 PSI)
Pressure
Leakage at 125 cc/min. (7.6 in
3
/min.)
150 SSU (32 cSt)
Hysteresis 4%
@ 200 Hz PWM
Cracking 20% - 30% of Input Signal
(Dead band)
Frequency 100 - 400 Hz (200 Hz Preferred)
Maximum Control 12 VDC 24VDC
Current Low Watt 1.75A .91A
High Watt 2.45A 1.23A
Cartridge Material All parts steel. All operating
parts hardened steel.
Operating Temp. -40°C to +93.3°C (Nitrile)
Range/Seals (-40°F to +200°F)
-31.7°C to +121.1°C (Fluorocarbon)
(-25°F to +250°F)
Fluid Mineral-based or synthetic with
Compatibility/ lubricating properties at viscosities
Viscosity of 45 to 2000 SSU (6 to 420 cSt)
Filtration ISO Code 16/13,
SAE Class 4 or better
Approx. Weight .34 kg (0.75 lbs.)
Cavity C20-2
(See BC Section for more details)
Form Tool Rougher None
Finisher NFT20-2F
Flow vs. Input Signal (Current)
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
0
10
20
60 227
150
189
113
38
75
Flow (Q)
40
50
GPM LPM
30
Current in Amps
2.0.5 1.0 1.5A 0 2.5 3.0
High Watt @
207 Bar
(3000 PSI)
Low Watt @
207 Bar (3000 PSI)
Low Watt @
34.5 Bar (500 PSI)
High Watt @
34.5 Bar (500 PSI)
Low Watt
High Watt
Hydraulic Oil 150 SSU @ 100°F (32 cSt)
Flow (Q)
189
50
38
10
113
30
151
40
76
20
LPM
GPM
0
227
60
Pressure Drop vs. Flow @ 100% Current
0
100
500
400
36.2
29.0
21.7
14.5
7.2
300
PSI Bar
200
Pressure Drop ( P)
(2)
(1)
Inlet
(2)
Outlet
(1)
Catalog HY15-3501/US
Parker Hannifin Corporation
Hydraulic Cartridge Systems
Check
Valves
Shuttle
Valves
Load/Motor
Controls
Flow
Controls
Pressure
Controls
Logic
Elements
Directional
Controls
Manual
Valves
Proportional
Valves
Coils &
Electronics
Technical
Data
SH
CV
LM
FC
PC
LE
DC
MV
SV
PV
CE
BC
TD
Bodies &
Cavities
Solenoid
Valves
N.C. Proportional Needle Valve
Series DF201C
PV34
Technical Information
Dimensions
Millimeters (Inches)
Ordering Information
THIRD-ANGLE
PROJECTION
Seals Coil
Voltage
Coil
Wattage
Coil
Termination
Body
Material
Port
Size
Code Coil Voltage
Omit Cartridge without Coil
D012 12 VDC
D024 24 VDC
Code Seals / Kit. No.
Omit Nitrile / (SK20-2)
V Fluorocarbon / (SK20-2V)
Code Port Size Body Part No.
20T SAE - 20 (B20-2-*20T)
20B 1-1/4″ BSPG (B20-2-*20B)
* Add “A” for aluminum, omit for steel.
Code Coil Termination
Omit Cartridge without Coil
D DIN
P Dual Spade
W Dual Wire
Code Coil Wattage
Omit Cartridge
without Coil
L Low Watt
H High Watt
Code Body Material
Omit Steel
A Aluminum
See DS Coil 1
″″
″″
″
I.D.
DF201C60
20 Size Normally
Closed Proportional
Flow Control Valve
Inlet
(2)
Outlet
(1)
60.5
(2.38)
48.3
(1.90)
56.0
(2.20)
See DS Coil 1" I.D.
Information For
Terminal Connectors
142.2
(5.60)
55.1
(2.17)
Ø 36.8
(1.45)
1 5/8-12 UN-2A
Thread
4.1 Nm
(3 lb. ft.)
Torque
1-7/8" Hex.
113 Nm (83 lb. ft.)
Torque
