FOR ALUMINUM OR STEEL VALVE HOUSING CONFIGURATIONS SEE PAGE 0-012.1
FOR ALUMINUM OR STEEL VALVE HOUSING CONFIGURATIONS SEE PAGE 0-012.1
Pat.#5,546,980
Pat.#5,546,980
PRESSURE DROP ( P)
PRESSURE DROP ( P)
30
30
G.P.M.(135 SUS)
G.P.M.(135 SUS)
0
PSI
PSI
50
50
10
10
100
100
150
150
20
20
3.5
3.5
BAR
BAR
7.0
7.0
10.5
10.5
114
114
PORT #1 TO PORT #2 UNLOADED
PORT #1 TO PORT #2 UNLOADED
L/M (28,5 cSt)
L/M (28,5 cSt)
250
250
200
200
38
38
76
76
[32,5]
[32,5]
1.28"
1.28"
[44,5]
[44,5]
MAX.
MAX.
1.75"
1.75"
14.0
14.0
17.5
17.5
[50,8]
[50,8]
2.00"
2.00"
2.00"
2.00"
[50,8]
[50,8]
.315" [8,0] HEX.
.315" [8,0] HEX.
[27,0]
[27,0]
HEX
HEX
1.06"
1.06"
2
1
30 = 50 TO 3000 PSI
30 = 50 TO 3000 PSI
50 = 50 TO 5000 PSI
50 = 50 TO 5000 PSI
15 = 50 TO 1500 PSI
15 = 50 TO 1500 PSI
PRESSURE RANGE
PRESSURE RANGE
SEALS
SEALS
10 = 7/8"-14 UNF
10 = 7/8"-14 UNF
BASIC
BASIC
SIZE
SIZE
PORTS
PORTS
0
02BX
02BX
03BX
03BX
06TX
06TX
08TX
08TX
= CARTRIDGE ONLY
= CARTRIDGE ONLY
= G 1/4" BSPP
= G 1/4" BSPP
= G 3/8" BSPP
= G 3/8" BSPP
= SAE - #6
= SAE - #6
= SAE - #8
= SAE - #8
"A" - ALUM. HOUSING
"A" - ALUM. HOUSING
"S" - STEEL HOUSING
"S" - STEEL HOUSING
N = BUNA "N"
N = BUNA "N"
V = VITON
V = VITON
RVBS-10-X-X-X-XX
RVBS-10-X-X-X-XX
= ADJUSTING SCREW
= ADJUSTING SCREW
= CAPPED
= CAPPED
= TAMPERPROOF
= TAMPERPROOF
= HANDKNOB
= HANDKNOB
= METAL HANDKNOB
= METAL HANDKNOB
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
K
K
M
M
BREAKER RELIEF VALVE PILOT OPERATED,
BREAKER RELIEF VALVE PILOT OPERATED,
SLIDING SPOOL, KICK-DOWN VALVE.
SLIDING SPOOL, KICK-DOWN VALVE.
1
2
Steel = 55/60 Ft-Lb. [74/81 Nm]
Steel = 55/60 Ft-Lb. [74/81 Nm]
TORQUE:
TORQUE:
Aluminum = 35/40 Ft-Lb. [47/54 Nm]
Aluminum = 35/40 Ft-Lb. [47/54 Nm]
Reference: 520-P-030720-EN-00/09.2015
RVBS-10
All cartridge valves are 100% functionally tested.
All cartridge valves are 100% functionally tested.
Valve is available with screw, tamperproof, capped and handknob adjustments.
Valve is available with screw, tamperproof, capped and handknob adjustments.
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.
A unique self aligning (floating) cage provides very low hysteresis
A unique self aligning (floating) cage provides very low hysteresis
Hardened precision fitted spool & cage provides reliable, long life.
Hardened precision fitted spool & cage provides reliable, long life.
Overset protection - pilot spring can not go solid.
Overset protection - pilot 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.
Pressure in tank port (2) will add to the bias spring setting,
Pressure in tank port (2) will add to the bias spring setting,
VALVE,cartridge style, screw in type valve.
VALVE,cartridge style, screw in type valve.
This unit is a PILOT OPERATED, SLIDING SPOOL, PRESSURE BREAKER RELIEF
This unit is a PILOT OPERATED, SLIDING SPOOL, PRESSURE BREAKER RELIEF
VALVE CAVITY: #C1020, See Page 0-012.0.
VALVE CAVITY: #C1020, See Page 0-012.0.
WEIGHT: 0.38 lb [.17 kg] cartridge only.
WEIGHT: 0.38 lb [.17 kg] cartridge only.
SKV-1022 for Viton.
SKV-1022 for Viton.
SEAL KIT NUMBER: SKN-1022 for Buna "N".
SEAL KIT NUMBER: SKN-1022 for Buna "N".
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] @ 95% of crack pressure.
INTERNAL LEAKAGE: 5 cu.in/min [85 cc/m] @ 95% of crack pressure.
FLOW: 25.0 GPM [95 L/M] nominal. See performance chart.
FLOW: 25.0 GPM [95 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]
re-set itself to the original pressure setting.
re-set itself to the original pressure setting.
After the flow and pressure is removed from the valve the valve will
After the flow and pressure is removed from the valve the valve will
pressure. Acts as a circuit breaker in a hydraulic system.
pressure. Acts as a circuit breaker in a hydraulic system.
from its seat thus opening the valve and unloads the system to a low
from its seat thus opening the valve and unloads the system to a low
sufficient pressure is present at port #1 to force the pilot poppet
sufficient pressure is present at port #1 to force the pilot poppet
This valve (RVBS) blocks flow from port #1 to port #2 until
This valve (RVBS) blocks flow from port #1 to port #2 until
FILTRATION: 25 microns or better.
FILTRATION: 25 microns or better.
INSTALLATION: No restriction.
INSTALLATION: No restriction.
Industry common cavity.
Industry common cavity.
and reliable operation.
and reliable operation.
Leakproof screw adjustment.
Leakproof screw adjustment.
and is limited to 2000 PSI.
and is limited to 2000 PSI.
PILOT OPERATED, SLIDING SPOOL, KICK-DOWN VALVE.
PILOT OPERATED, SLIDING SPOOL, KICK-DOWN VALVE.
BREAKER RELIEF VALVE
BREAKER RELIEF VALVE
SPECIFICATIONS
SPECIFICATIONS
FEATURES AND BENEFITS
FEATURES AND BENEFITS
DESCRIPTION
DESCRIPTION
OPERATIONS
OPERATIONS
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-030720-EN-00/09.2015
RVBS-10