Page 28 - Parker - Proportional Valves

Catalog HY15-3502/US N.C. Proportional Needle Valve
Technical Information Series DF161C

CV
General Description
Normally Closed Proportional Needle Valve. This valve
is designed specifically for bleed off or unloading
Valves
Check
SH circuits. Back pressure will affect performance. For
additional information see Technical Tips on pages
PV1-PV6.

Valves
Shuttle
LM
Features
• On-off type solenoids
• Low hysteresis
Load/Motor
Controls
FC • PWM signal preferred (2)
• All external parts zinc plated
Inlet
(1)
(2)
Controls
Flow
PC
Outlet
(1)
Pressure
Controls
LE Specifications Performance Curves
Rated Flow High Watt Coil Pressure Drop vs. Flow @ 100% Current
Valve Fully Open 150 LPM (40 GPM) PSI Bar Hydraulic Oil 150 SSU @ 100°F (32 cSt)
400 27.6
Elements
Logic
Maximum Inlet 210 Bar (3000 PSI)
DC Pressure
3
Leakage at 125 cc/min. (7.6 in /min.) P) 300 20.7
150 SSU (32 cSt)
Controls
Directional
Hysteresis 4%
MV @ 200 Hz PWM Pressure Drop ( 200 13.8
Cracking 20% - 30% of Input Signal High Watt
(Dead band) 100 6.9
Manual
Valves
Frequency 100 - 400 Hz (200 Hz Preferred)
SV
Maximum Control 12 VDC 24VDC
Current High Watt 2.45A 1.23A 0
LPM 38 75 113 150
0
Cartridge Material All parts steel. All operating GPM 10 20 30 40
parts hardened steel. Flow (Q)
Valves
Solenoid
PV
Operating Temp. -40°C to +93.3°C (Nitrile) Flow vs. Input Signal (Current)
Range/Seals (-40°F to +200°F)
GPM LPM Hydraulic Oil 150 SSU @ 100°F (32 cSt)
-31.7°C to +121.1°C (Fluorocarbon)
40 150
(-25°F to +250°F)
Valves
Proportional
CE Fluid Mineral-based or synthetic with
Compatibility/ lubricating properties at viscosities 30 113
Viscosity of 45 to 2000 SSU (6 to 420 cSt) High Watt @
207 Bar
Filtration ISO Code 16/13, (3000 PSI)
Electronics
Coils &
SAE Class 4 or better Flow (Q) 20 75
BC
Approx. Weight .34 kg (0.75 lbs.)
Cavity C16-2 10 38
(See BC Section for more details)
High Watt @
Bodies &
Cavities
34.5 Bar
TD Form Tool Rougher None (500 PSI)
Finisher NFT16-2F 0
A 0 .5 1.0 1.5 2.0 2.5 3.0
Current in Amps
Technical
Data
PV27 Parker Hannifin Corporation
Hydraulic Cartridge Systems