1
3
2
FOR ALUMINUM OR STEEL VALVE HOUSING CONFIGURATIONS SEE PAGE 0-023-1.
FOR ALUMINUM OR STEEL VALVE HOUSING CONFIGURATIONS SEE PAGE 0-023-1.
[76,2]
[76,2]
3.00"
3.00"
PRESSURE DROP ( P)
PRESSURE DROP ( P)
7.0
7.0
100
100
G.P.M.(135 SUS)
G.P.M.(135 SUS)
PSI
PSI
0
9
50
50
18
18
27
27
BAR
BAR
36
36
3.5
3.5
L/M (28,5 cSt)
L/M (28,5 cSt)
150
150
200
200
34
34
[59,4]
[59,4]
2.34"
2.34"
102
102
68
68
10.5
10.5
136
136
14.0
14.0
"S" screw adjustment
"S" screw adjustment
[88,9]
[88,9]
3.50"
3.50"
[49,2]
[49,2]
1.94"
1.94"
"F" fixed
"F" fixed
[31,7]
[31,7]
1.25"
1.25"
HEX
HEX
1.31"
1.31"
[33,4]
[33,4]
.315"[8,0] HEX.
.315"[8,0] HEX.
3
2
1
SEALS
SEALS
12 = 1.062"-12 UNF
12 = 1.062"-12 UNF
BASIC
BASIC
SIZE
SIZE
PORTS
PORTS
0
04BX
04BX
06BX
06BX
10TX
10TX
12TX
12TX
= CARTRIDGE ONLY
= CARTRIDGE ONLY
= G 1/2" BSPP
= G 1/2" BSPP
= G 3/4" BSPP
= G 3/4" BSPP
= SAE - #10
= SAE - #10
= SAE - #12
= SAE - #12
"A" - ALUM. HOUSING
"A" - ALUM. HOUSING
"S" - STEEL HOUSING
"S" - STEEL HOUSING
N = BUNA "N"
N = BUNA "N"
V = VITON
V = VITON
PRESSURE BIAS SPRING
PRESSURE BIAS SPRING
070
070
100
100
160
160
= 70 PSI (FIXED)
= 70 PSI (FIXED)
= 100 PSI (FIXED)
= 100 PSI (FIXED)
= 40-160 PSI (ADJ)
= 40-160 PSI (ADJ)
SPOOL
SPOOL
"A"=SPOOL (PILOT TO CLOSE)
"A"=SPOOL (PILOT TO CLOSE)
= FIXED (FACTORY SET)
= FIXED (FACTORY SET)
= ADJUSTING SCREW
= ADJUSTING SCREW
= CAPPED
= CAPPED
= TAMPERPROOF
= TAMPERPROOF
FOR ADJUSTMENT CONTROL
FOR ADJUSTMENT CONTROL
OPTIONS SEE PAGE 0-050.0
OPTIONS SEE PAGE 0-050.0
ADJUSTMENT
ADJUSTMENT
F
F
S
S
C
C
T
T
LCEF-12-X-A-X-X-XXX
LCEF-12-X-A-X-X-XXX
LOGIC CONTROL ELEMENT
LOGIC CONTROL ELEMENT
SPOOL TYPE, PILOT TO CLOSE, SPOOL "A".
SPOOL TYPE, PILOT TO CLOSE, SPOOL "A".
Steel = 70/75 Ft-Lb. [95/102 Nm]
Steel = 70/75 Ft-Lb. [95/102 Nm]
TORQUE:
TORQUE:
Aluminum = 55/60 Ft-Lb. [74/81 Nm]
Aluminum = 55/60 Ft-Lb. [74/81 Nm]
Reference: 520-P-070130-EN-00/09.2015
LCEF-12-A
FEATURES AND BENEFITS
FEATURES AND BENEFITS
OPERATIONS
OPERATIONS
DESCRIPTION
DESCRIPTION
All cartridge valves are 100% functionally tested.
All cartridge valves are 100% functionally tested.
Valve is available with fixed, screw, tamperproof and capped
Valve is available with fixed, screw, tamperproof and capped
All external carbon steel parts are plated for longer life against the elements.
All external carbon steel parts are plated for longer life against the elements.
and reliable operation.
and reliable operation.
A unibody cage construction provides very low hysteresis
A unibody cage construction provides very low hysteresis
adjustments.
adjustments.
Hardened precision fitted spool & cage provides reliable, long life.
Hardened precision fitted spool & cage provides reliable, long life.
Overset protection - spring can not go solid.
Overset protection - spring can not go solid.
Adjustment screw can not be backed out of the valve.
Adjustment screw can not be backed out of the valve.
This valve has a fixed or an adjustable bias spring.
This valve has a fixed or an adjustable bias spring.
Leakproof screw adjustment.
Leakproof screw adjustment.
in port 1. This is pilot to close directional logic element.
in port 1. This is pilot to close directional logic element.
to port 2 once the bias spring force is overcome by the pressure
to port 2 once the bias spring force is overcome by the pressure
When no pressure is present at port 3, it will allow flow from port 1
When no pressure is present at port 3, it will allow flow from port 1
the bias spring force value.
the bias spring force value.
pressure in port 1 exceeds the cumulative pressure of port 3 plus
pressure in port 1 exceeds the cumulative pressure of port 3 plus
It will shift to allow full flow from port 1 to port 2 only when the
It will shift to allow full flow from port 1 to port 2 only when the
This valve blocks flow from port 1 to port 2 with a spring bias.
This valve blocks flow from port 1 to port 2 with a spring bias.
pressure or flow control devices.
pressure or flow control devices.
multi-functional potential when used with other directional,
multi-functional potential when used with other directional,
SPOOL TYPE, HYDRAULIC DIRECTIONAL LOGIC ELEMENT, with
SPOOL TYPE, HYDRAULIC DIRECTIONAL LOGIC ELEMENT, with
This unit is a DIRECT ACTING, SCREW IN CARTRIDGE STYLE,
This unit is a DIRECT ACTING, SCREW IN CARTRIDGE STYLE,
SPOOL TYPE, PILOT TO CLOSE, SPOOL "A".
SPOOL TYPE, PILOT TO CLOSE, SPOOL "A".
LOGIC CONTROL ELEMENT
LOGIC CONTROL ELEMENT
Reference: 520-P-070130-EN-00/09.2015
LCEF-12-A
SPECIFICATIONS
SPECIFICATIONS
VALVE CAVITY: #C1225, See Page 0-023.0.
VALVE CAVITY: #C1225, See Page 0-023.0.
WEIGHT: 0.84 lb [.38 kg] cartridge only.
WEIGHT: 0.84 lb [.38 kg] cartridge only.
SKV-1227 for Viton.
SKV-1227 for Viton.
SEAL KIT NUMBER: SKN-1227 for Buna "N".
SEAL KIT NUMBER: SKN-1227 for Buna "N".
FILTRATION: 25 microns or better.
FILTRATION: 25 microns or better.
INSTALLATION: No restriction.
INSTALLATION: No restriction.
DEFINITION OF CRACK: evident at 0.06 GPM [0.25 LPM]
DEFINITION OF CRACK: evident at 0.06 GPM [0.25 LPM]
INTERNAL LEAKAGE: 5 cu.in./min. [85 cc/m] @ 85% of crack pressure.
INTERNAL LEAKAGE: 5 cu.in./min. [85 cc/m] @ 85% of crack pressure.
FLOW: 36.0 GPM [136 L/M] nominal. See performance chart.
FLOW: 36.0 GPM [136 L/M] nominal. See performance chart.
PROOF PRESSURE: 10,000 PSI [700 Bar]
PROOF PRESSURE: 10,000 PSI [700 Bar]
OPERATING PRESSURE: 5,000 PSI [350 Bar]
OPERATING PRESSURE: 5,000 PSI [350 Bar]
SPOOL TYPE, PILOT TO CLOSE, SPOOL "A".
SPOOL TYPE, PILOT TO CLOSE, SPOOL "A".
LOGIC CONTROL ELEMENT
LOGIC CONTROL ELEMENT
MIL-H-5606, SAE-#10, SAE-#20, etc.
MIL-H-5606, SAE-#10, SAE-#20, etc.
OPERATING MEDIA: All general purpose hydraulic fluids such as
OPERATING MEDIA: All general purpose hydraulic fluids such as
OPERATING TEMPERATURE: -40° to +250° F. [-40° to +120° C.]
OPERATING TEMPERATURE: -40° to +250° F. [-40° to +120° C.]
5000 PSI [350 Bar] = Steel - Unplated.
5000 PSI [350 Bar] = Steel - Unplated.
VALVE HOUSINGS: 2500 PSI [175 Bar] = Aluminum - Anodized.
VALVE HOUSINGS: 2500 PSI [175 Bar] = Aluminum - Anodized.
info.el@bucherhydraulics.com www.bucherhydraulics.com/commoncavity
2015 by Bucher Hydraulics, Inc., 2545 Northwest Parkway, Elgin, Illinois 60124, USA
All rights reserved.
Data is provided for the purpose of product description only, and must not be construed as warranted characteristics in the legal sense.
The information does not relieve users from the duty of conducting their own evaluations and tests. Because the products are subject to
continual improvement, we reserve the right to amend the product specifications contained in this catalogue.
©
Reference: 520-P-070130-EN-00/09.2015
LCEF-12-A