PROPORTIONAL CONTROLS
Page PT44
W 50/2022
Via Malavolti, 36 - 41122 Modena - ITALY - Phone +39 (059) 254895 - Fax +39 (059) 253512 - mail: tecnord@tecnord.com - www.tecnord.com
WARNING: the specications/application data shown in our catalogs and data sheets are intended only as a general guide for the product described (herein). Any specic application should not be undertaken
without independent study, evaluation, and testing for suitability.
EG-F2A 2 WAY PRESSURE COMPENSATED PROPORTIONAL FLOW REGULATOR
DESCRIPTION
10 size, 7/8-14 thread, “Delta” series, solenoid operated, normally closed, poppet style, restrictive type 2 ways
pressure compensated proportional ow regulator.
OPERATION
EG-F2A maintains a constant ow rate out of (2) regardless of load pressure variations in the circuit downstream
of (1). When coil is not energized, there is no regulated ow out of (2). The valve begins to respond to load
variations when the ow through the valve creates a pressure differential across the control spool.
Reverse ow from (2) to (1) returns through the control spool and is not compensated.
OPERATION OF MANUAL OVERRIDE OPTION: to override, turn the manual override screw counterclockwise.
To release turn the manual override screw clockwise.
FEATURES
• Hardened parts for long-life.
• Industry common cavity.
• Excellent linearity and low hysteresis characteristics.
• Cartridges are voltage interchangeable.
• Optional coil voltages and terminations available.
• Unitized, molded coil design.
• Continuous duty rated solenoid.
800
0
20
10
15
30
600400 500
700 900 1000
I (mA)
FLOW (lt/min) vs. CURRENT (mA - PWM @ 100 Hz)
14 bar COMPENSATED
Q (lt/min)
1200 150014001300
25
40
35
50
45
5
300
800
0
20
10
15
30
600400 500
700
900 1000
I (mA)
FLOW (lt/min) vs. CURRENT (mA - PWM @ 100 Hz)
14 bar COMPENSATED
Q (lt/min)
1200 150014001300
25
40
35
50
45
5
300
Flow Range See curves for various versions
Max System Pressure 3500 PSI (241 bar)
Leakage 0-10 drops / min @ 245 bar
Hysteresis ±5%
Viscosity Range 36 to 3000 SSU (3 to 647 cSt)
Filtration ISO 18/16/13
Media Operating Temp. Range -30°C / +100°C
Operating Fluid Media General Purpose Hydraulic Fluid
Cartridge Torque Requirements 30 ft-lbs (41 Nm)
Coil Nut Torque Requirements 2-3 ft-lbs (3-4 Nm)
Cavity T308
Cavity Tools Kit
(form tool, reamer, tap) K-T308
Current Supply Characteristics PWM (Pulse Width Modulation)
Rated Current Range 400-1400 mA
PWM or Super-Imposed
Dither Frequency 100 Hz
Coil Resistance (12 VDC) 7.2 Ohm ±5% at 68°F (20°C)
VALVE SPECIFICATIONS
COIL SPECIFICATIONS
Port (1) must be connected
in the manifold to port (3).
HYDRAULIC SYMBOL
PERFORMANCE
Flow (lt/min) vs. Current (mA - PWM @ 100 Hz)
14 bar Compensated
Q (l/min)
l (mA)
1
2
3
2
3
PROPORTIONAL CONTROLS
Page PT45
W 50/ 2022
Via Malavolti, 36 - 41122 Modena - ITALY - Phone +39 (059) 254895 - Fax +39 (059) 253512 - mail: tecnord@tecnord.com - www.tecnord.com
WARNING: the specications/application data shown in our catalogs and data sheets are intended only as a general guide for the product described (herein). Any specic application should not be undertaken
without independent study, evaluation, and testing for suitability.
Regulated Flow Vs. Pressure Drop (bar)
2 W a y - 1 2 V co il - 1 3 0 H z P W M - oil 2 6 cS t @ 5 0 °C
500 100 150 200 250
Regulated Flow (l/min)
20
30
40
50
0
Pressure Drop (bar)
10
Regulated Flow vs. Pressure
Coil 12 VDC - 130 Hz PWM - Oil 26 cSt (121 SSU) @ 50°C (104°F)
Regulated Flow Vs. Pressure Drop (bar)
2 W a y - 1 2 V c o il - 1 3 0 H z P W M - o il 26 c S t @ 5 0 °C
500 100 150 200 250
Regulated Flow (l/min)
20
30
40
50
0
Pressure Drop (bar)
10
DIMENSIONS
ORDERING INFORMATION
(for bodies style and sizes see section “Accessories”)
EG-F2A – – – –
OPTIONS BODIES
Buna Standard A0 Up to 15 l/min Blank Without Body
Buna, Screw Type Override (Knob) AS Up to 15 l/min N 3/8” BSP Ports
Buna, Screw Type Override (Grad. Knob) AK Up to 15 l/min S #6 SAE Ports
Buna Standard B0 Up to 30 l/min
Buna, Screw Type Override (Knob) BS Up to 30 l/min
Buna, Screw Type Override (Grad. Knob) BK Up to 30 l/min
VOLTAGE
12 12 VDC
Buna Standard C0 Up to 45 l/min 24 24 VDC
Buna, Screw Type Override (Knob) CS Up to 45 l/min
“F” COIL TERMINATION
Buna, Screw Type Override (Grad. Knob) CK Up to 45 l/min HC DIN 43650 (Hirschmann)
DI Deutsch-Integral DT04-2P
JT AMP Jr. Timer
Approximate Coil Weight: .47 lbs (.21 kg)
NOTE: for other seals, consult factory.
Pressure Drop (bar)
Regulated Flow (l/min)
1
2
3
