DESCRIPTION
A screw-in, cartridge-style, direct-acting, differential area poppet-type hydraulic
relief valve for use as a pressure limiting device in more demanding hydraulic
circuits, requiring low hysteresis and low internal leakage.
OPERATION
The RV10-22 blocks fl ow from ➁ to ➀ until suffi cient pressure is present at ➁ to
force the poppet from its seat.
The cartridge offers smooth transition in response to load changes in common
hydraulic circuits.
Note: The RV10-22 may be used in cross-over relief applications (back pressure
on
➀) with the use of the “C” double back-up ring seal option. See Ordering Table.
FEATURES
• Adjustments cannot be backed out of the valve.
• Adjustment options A, B, and C: positive stops prevent springs from going solid.
• Hardened poppet and cage for long life.
• Optional spring ranges to 241 bar (3500 psi).
• Smooth response to pressure surges.
• Industry common cavity.
RATINGS
Operating Pressure: 241 bar (3500 psi)
Flow: The Performance Chart illustrates fl ow handling capacity at maximum setting
for each spring range option. Pressure rise will vary with spring (range) and with
setting within range due to fl ow forces. Consult factory for specifi c fl ow
characteristic values.
Pressure Rise: 0.34 bar/l (5 psi/g)
Internal Leakage: 0.25 cc/minute (5 drops/minute) max. to 85% of nominal setting
Crack (Set) Pressure Defi ned: bar (psi) evident at 0.95 lpm (0.25 gpm) attained
Standard Spring Ranges: Due to manufacturing tolerances, it may be possible to
adjust the valve either lower or higher than the nominal ratings shown below.
Temperature: -40 to 120°C
Filtration: See page 9.010.1
Fluids: Mineral-based or synthetics with lubricating properties at viscosities of
7.4 to 420 cSt (50 to 2000 sus); See Temperature and Oil Viscosity, page 9.060.1
Installation: No restrictions; See page 9.020.1
Cavity: VC10-2; See page 9.110.1
Cavity Tool: CT10-2XX; See page 8.600.1
Seal Kit: SK10-2X-T; See page 8.650.1; SK10-2X-M (for cross-over relief application)
PRESSURE CONTROLS
RV10-22 Relief, Differential Area Poppet
USASI/ISO:
SYMBOLS
PERFORMANCE (Cartridge Only)
6.050.1
276/4000
221/3200
166/2400
110/1600
55/800
18.9
5
37.9
10
FLOW RATE lpm/gpm
PRESSURE RISE bar/psi
Flow Characteristic
32 cSt/150 ssu oil at 40°C
56.8
15
75.8
20
94.6
25
113.6
30
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Spring Nominal Maximum Solid
Model Code Factory Rating Adjustment
6 10.34 – 41.38 bar (150 – 600 psi) 55.17 bar (800 psi)
13 10.34 – 89.66 bar (150 – 1300 psi) 117.24 bar (1700 psi)
25 25.86 – 165.52 bar (375 – 2400 psi) 206.9 bar (3000 psi)
35 17.24 – 241.38 bar (250 – 3500 psi) 296.55 bar (4300 psi)
Blue rectangles are links to other catalog pages.
Setting in bar
†
(Blank) for Adjustable, or
Specify, for example:
M25 25 bar
M100 100 bar
Setting in psi
†
(Blank) for Adjustable, or
Specify, for example:
9.0 900 psi
23.5 2350 psi
DIMENSIONS
MATERIALS
Cartridge: Weight: 0.23 kg. (0.50 lbs.)
Steel with hardened work surfaces.
Zinc-plated exposed surfaces.
Buna N O-rings and polyester
elastomer back-ups standard.
Optional polyurethane seals with
Fluorocarbon back-ups recommend-
ed for pressures over 207 bar
(3000 psi). Anodized aluminum knob.
Standard Ported Body: Weight:
0.16 kg. (0.35 lbs.) Anodized high-
strength 6061 T6 aluminum alloy,
rated to 207 bar (3000 psi). Ductile
iron bodies available; dimensions
may differ. See page 8.010.1
TO ORDER
RV10-22__ - __ __ __ - __ - __ __ / __ __ __ __
Adjustment Option
1/4 in. Hex Allen Head A
1-1/2 in. Dia. Alum. Knob B
Option A w/ Cover Cap C
Factory Preset Non-Adj. F
Factory Preset
Hidden Adj. H
Option C w/
Lockwire Holes L
Porting
Cartridge Only 0
SAE 6 6T
SAE 8 8T
1/4 in. BSP* 2B
3/8 in. BSP* 3B
1/2 in. BSP* 4B
*BSP Body; U.K. Mfr. Only
Spring Range
6 10.34 to 41.38 bar
(150 to 600 psi)
13 10.34 to 89.66 bar
(150 to 1300 psi)
25 25.86 to 165.52 bar
(375 to 2400 psi)
35 17.24 to 241.38 bar
(250 to 3500 psi)
Seals
Pressure on
P Only:
N Buna N (Std.)
V Fluorocarbon
Bidirectional
Pressure:
NC Buna N
VC Fluorocarbon
†
Adjustable valves will be
preset to approx. 50% of
spring max. potential.
RV10-22
6.050.2
Note: For higher fl ow applications,
bodies with SAE 10 and SAE 12
ports are available. See page 8.010.1
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Blue rectangles are links to other catalog pages.
