1
2
FOR ALUMINUM OR STEEL VALVE HOUSING CONFIGURATIONS SEE PAGE 0-011.1
FOR ALUMINUM OR STEEL VALVE HOUSING CONFIGURATIONS SEE PAGE 0-011.1
06TX = SAE - #6
06TX = SAE - #6
"S" - STEEL HOUSING
"S" - STEEL HOUSING
"A" - ALUM. HOUSING
"A" - ALUM. HOUSING
02BX = G 1/4" BSPP
02BX = G 1/4" BSPP
0 = CARTRIDGE ONLY
0 = CARTRIDGE ONLY
PORTS
PORTS
.315" [8.0] HEX.
.315" [8.0] HEX.
1.88"
1.88"
[47,62]
[47,62]
1.88"
1.88"
[47,62]
[47,62]
1.10"
1.10"
[27,9]
[27,9]
1
2
1.62"
1.62"
[41,1]
[41,1]
[25,4]
[25,4]
HEX
HEX
1.00"
1.00"
PRESSURE DROP ( P)
PRESSURE DROP ( P)
PSI
PSI
0
2000
2000
G.P.M.(135 SUS)
G.P.M.(135 SUS)
1
4000
4000
3000
3000
L/M (28,5 cSt)
L/M (28,5 cSt)
3,8
3,8
BAR
BAR
2
138
138
276
276
207
207
7,6
7,6
1000
1000
69
69
2,0
2,0
.5
.5
1.5
1.5
5,7
5,7
SEALS
SEALS
08 = 3/4"-16 UNF
08 = 3/4"-16 UNF
BASIC
BASIC
SIZE
SIZE
PRESSURE RANGE
PRESSURE RANGE
15
15
30
30
50
50
= 0 TO 1500 PSI
= 0 TO 1500 PSI
= 0 TO 3000 PSI
= 0 TO 3000 PSI
= 0 TO 5000 PSI
= 0 TO 5000 PSI
N = BUNA "N"
N = BUNA "N"
V = VITON
V = VITON
RVPD-08-X-X-X-XX
RVPD-08-X-X-X-XX
RELIEF VALVE DIRECT ACTING,
RELIEF VALVE DIRECT ACTING,
LOW FLOW, PILOT CONTROL
LOW FLOW, PILOT CONTROL
= 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
Steel = 35/40 Ft-Lb. [47/54 Nm]
Steel = 35/40 Ft-Lb. [47/54 Nm]
TORQUE:
TORQUE:
Aluminum = 25/30 Ft-Lb. [34/41 Nm]
Aluminum = 25/30 Ft-Lb. [34/41 Nm]
Reference: 520-P-030110-EN-00/09.2015
RVPD-08
SPECIFICATIONS
SPECIFICATIONS
FEATURES AND BENEFITS
FEATURES AND BENEFITS
OPERATIONS
OPERATIONS
DESCRIPTION
DESCRIPTION
VALVE CAVITY: #C0820, See Page 0-011.0.
VALVE CAVITY: #C0820, See Page 0-011.0.
WEIGHT: 0.30 lb [.14 kg] cartridge only.
WEIGHT: 0.30 lb [.14 kg] cartridge only.
SKV-0822 for Viton.
SKV-0822 for Viton.
SEAL KIT NUMBER: SKN-0822 for Buna "N".
SEAL KIT NUMBER: SKN-0822 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 drops/min [.25 cc/m] @ 85% of crack pressure.
INTERNAL LEAKAGE: 5 drops/min [.25 cc/m] @ 85% of crack pressure.
FLOW: 2.0 GPM [7.6 L/M] nominal. See performance chart.
FLOW: 2.0 GPM [7.6 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]
Industry common cavity.
Industry common cavity.
All cartridge valves are 100% functionally tested.
All cartridge valves are 100% functionally tested.
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.
adjustments.
adjustments.
response to a load change in a hydraulic circuit.
response to a load change in a hydraulic circuit.
This cartridge relief valve offers a smooth transition in
This cartridge relief valve offers a smooth transition in
from its seat thus opening the valve.
from its seat thus opening the valve.
sufficient pressure is present at port #1 to force the steel ball
sufficient pressure is present at port #1 to force the steel ball
This valve (RVPD) blocks flow from port #1 to port #2 until
This valve (RVPD) blocks flow from port #1 to port #2 until
and reliable operation.
and reliable operation.
A unique self aligning (floating) cage provides very low hysteresis
A unique self aligning (floating) cage provides very low hysteresis
Hardened precision steel ball & seat provides reliable, long life.
Hardened precision steel ball & seat 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 valve.
Adjustment screw can not be backed out of valve.
Leakproof screw adjustment.
Leakproof screw adjustment.
adjustable, pressure control valve.
adjustable, pressure control valve.
PILOT FLOW, cartridge type, steel ball, low leakage, screw in type,
PILOT FLOW, cartridge type, steel ball, low leakage, screw in type,
This unit is a DIRECT ACTING, REMOTE CONTROL FOR VALVES WITH LOW
This unit is a DIRECT ACTING, REMOTE CONTROL FOR VALVES WITH LOW
Pressure in tank port (2) will add to the bias spring setting,
Pressure in tank port (2) will add to the bias spring setting,
and is limited to 2000 PSI.
and is limited to 2000 PSI.
RELIEF VALVE DIRECT ACTING,
RELIEF VALVE DIRECT ACTING,
LOW FLOW, PILOT CONTROL.
LOW FLOW, PILOT CONTROL.
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-030110-EN-00/09.2015
RVPD-08