0-30 gpm0 pages
ELECTRONICALLY ADJUSTABLE PROPORTIONAL
PRESSURE COMPENSATED FLOW CONTROL
“EFC”
EFC
INLET (IN)
CONTROL
FLOW (CF)
EXCESS
FLOW (EX)
EFC12-10-12
EFC WITH RELIEF
INLET (IN)
CONTROL
FLOW (CF)
EXCESS
FLOW (EX)
EFC12-15-12R22
FEATURES:
DIAMOND HONED SPOOL BORE provides consistent spool fit with low leakage.
O’RING PORTS to eliminate leakage.
EVERY EFC IS TESTED for shutoff, linearity, max. flow, crack open and pressure compensation.
STANDARD 3-PORT allows for pressure compensated flow out of the CF and EX ports.
MANUAL OVERRIDE when electrical power is lost.
OPTIONAL 2-PORT allows for pressure compensated flow out of CF port.
OPTIONAL FREE REVERSE FLOW allows fluid to move from the CF port to the inlet.
OPTIONAL HIGH LIFT RELIEF.
SPECIFICATIONS:
See flow chart for capacity.
3000 psi (207 bar) rating.
Weighs 8-1/2 lbs. (3.9 kg).
Standard Port size #12SAE (1-1/16 – 12).
10-Micron Filtration Recommended.
Pulse Frequency (90 to 115 hz).
Coil
-12 VDC standard (24 VDC).
-9.6 ohms
(48 ohms).
-15 watts
(15 watts).
-1.0 amp max
(0.5 amp max.).
12-13
Response Time
-0.035” Standard dash pot (375 ms).
-0.020” Dash pot (900 ms).
-0.093 Dash pot (175 ms to 350 ms
depending on flow).
Spool leakage (3.05 in3/min. @ 1000 psi
((50 ml/min. @ 68.9 bar) on EX port).
MATERIALS:
Ductile Cast Iron Body
Heat Treated Steel Spools
Buna N O’Rings
Heat Treated Free Reverse Check Seat
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