2
1
FOR ALUMINUM OR STEEL VALVE HOUSING CONFIGURATIONS SEE PAGE 0-013.1
FOR ALUMINUM OR STEEL VALVE HOUSING CONFIGURATIONS SEE PAGE 0-013.1
PRESSURE DROP ( P)
PRESSURE DROP ( P)
207
207
G.P.M.(135 SUS)
G.P.M.(135 SUS)
FLOW PORT 1 T0 PORT 2
FLOW PORT 1 T0 PORT 2
FLOW PORT 2 T0 PORT 1
FLOW PORT 2 T0 PORT 1
1000
1000
0
PSI
PSI
10
10
2000
2000
3000
3000
30
30
20
20
40
40
69
69
BAR
BAR
138
138
276
276
L/M (28,5 cSt)
L/M (28,5 cSt)
4000
4000
38
38
76
76
114
114
152
152
[44,5]
[44,5]
1.75"
1.75"
[51,8]
[51,8]
2.04"
2.04"
[69,9]
[69,9]
[69,9]
[69,9]
2.75"
2.75"
2.75"
2.75"
[33,4]
[33,4]
1.31"
1.31"
HEX
HEX
2
1
.315" [8,0] HEX.
.315" [8,0] HEX.
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
50 = 500 TO 5000 PSI
50 = 500 TO 5000 PSI
30 = 300 TO 3000 PSI
30 = 300 TO 3000 PSI
15 = 100 TO 1500 PSI
15 = 100 TO 1500 PSI
PRESSURE RANGE
PRESSURE RANGE
= 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
S
S
C
C
T
T
RVBD-12-X-X-X-XX
RVBD-12-X-X-X-XX
POPPET TYPE, BI-DIRECTIONAL (CROSS-OVER)
POPPET TYPE, BI-DIRECTIONAL (CROSS-OVER)
RELIEF VALVE
RELIEF VALVE
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-030530-EN-00/09.2015
RVBD-12
SPECIFICATIONS
SPECIFICATIONS
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 CAVITY: #C1220, See Page 0-013.0.
VALVE CAVITY: #C1220, See Page 0-013.0.
WEIGHT: 0.68 lb [.34 kg] cartridge only.
WEIGHT: 0.68 lb [.34 kg] cartridge only.
SKV-1222 for viton.
SKV-1222 for viton.
SEAL KIT NUMBER: SKN-1222 for buna "N".
SEAL KIT NUMBER: SKN-1222 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: 40.0 GPM [152 L/M] nominal. See performance chart.
FLOW: 40.0 GPM [152 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]
adjustments.
adjustments.
Valve is available with screw, tamperproof, capped and handknob
Valve is available with screw, tamperproof, capped and handknob
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, dependable
A unibody cage construction provides very low hysteresis, dependable
Hardened precision fitted poppet & cage provides reliable, long life.
Hardened precision fitted poppet & 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.
Leakproof screw adjustment is standard.
Leakproof screw adjustment is standard.
BI-DIRECTIONAL, ADJUSTABLE, HYDRAULIC PRESSURE RELIEF VALVE.
BI-DIRECTIONAL, ADJUSTABLE, HYDRAULIC PRESSURE RELIEF VALVE.
This unit is a CARTRIDGE STYLE, DIFFERENTIAL AREA, POPPET TYPE,
This unit is a CARTRIDGE STYLE, DIFFERENTIAL AREA, POPPET TYPE,
and has a good pressure vs. flow characteristics.
and has a good pressure vs. flow characteristics.
This valve provides a fast response, rugged, dirt tolerant operation
This valve provides a fast response, rugged, dirt tolerant operation
This valve relieves from port 1 to port 2 and port 2 to port 1.
This valve relieves from port 1 to port 2 and port 2 to port 1.
Industry common cavity.
Industry common cavity.
POPPET TYPE, BI-DIRECTIONAL (CROSS-OVER)
POPPET TYPE, BI-DIRECTIONAL (CROSS-OVER)
RELIEF VALVE
RELIEF VALVE
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-030530-EN-00/09.2015
RVBD-12