Catalog HY15-3502/US
Dual Cross-Over Relief Valve
Series XR101
PC57
Check
Valves
Shuttle
Valves
Load/Motor
Controls
Flow
Controls
Pressure
Controls
Logic
Elements
Directional
Controls
Manual
Valves
Solenoid
Valves
Proportional
Valves
Coils &
Electronics
Bodies &
Cavities
Technical
Data
SH
CV
LM
FC
PC
LE
DC
MV
SV
PV
CE
BC
TD
Parker Hannifin Corporation
Hydraulic Cartridge Systems
Technical Information
Performance Curve
Flow vs. Inlet Pressure
(Pressure rise through cartridge only)
(2)
(1)
(1)
(2)
Flow (Q)
15.1
4
30.3
8
45.4
12
LPM
GPM
0
60.6
16
Hydraulic Oil 135 SSU @ 100°F (28 cSt)
0
1000
3000
276
345
138
69
207
Pressure Drop ( P)D
4000
5000
PSI Bar
2000
1 to 2
2 to 1
General Description
Dual Cross-Over Relief Valve in a single cartridge.
For additional information see Technical Tips on
pages PC1-PC6.
Features
Fast response
Compact size for reduced space requirements
Low leakage design
Single cartridge reduces plumbing, component and
manifold costs
Specifications
Flow Rate 60.6 LPM (16 GPM)
Maximum Inlet 245 Bar (3500 PSI)
Pressure
Maximum 210 Bar (3000 PSI)
Pressure Setting
Reseat Pressure 80% of crack pressure
Leakage at 10 drops/min. (.66 cc/min.)
150 SSU (32 cSt) @ 75% of crack pressure
Cartridge Material All parts steel. All operating
parts hardened steel.
Operating Temp. -40°C to +93.3°C (Nitrile)
Range (Ambient) (-40°F to +200°F)
-31.7°C to +121.1°C (Fluorocarbon)
(-25°F to +250°F)
Filtration ISO Code 16/13,
SAE Class 4 or better
Fluids Mineral-based or synthetic with
lubricating properties at viscosities
of 45 to 2000 SSU (6 to 420 cSt)
Approx. Weight .26 kg (.58 lbs.)
Cavity C10-2
Form Tool Rougher None
Finisher NFT10-2F
Dual Cross-Over Relief Valve
Series XR101
Catalog HY15-3502/US
PC58
Check
Valves
Shuttle
Valves
Load/Motor
Controls
Flow
Controls
Pressure
Controls
Logic
Elements
Directional
Controls
Manual
Valves
Proportional
Valves
Coils &
Electronics
Technical
Data
SH
CV
LM
FC
PC
LE
DC
MV
SV
PV
CE
BC
TD
Bodies &
Cavities
Solenoid
Valves
Parker Hannifin Corporation
Hydraulic Cartridge Systems
Technical Information
Dimensions
Millimeters (Inches)
Ordering Information
THIRD-ANGLE
PROJECTION
SealsPressure
Range
Adjustment
Style
Body
Material
Port
Size
Optional
Pressure
Setting
Code Seals / Kit No.
Omit Nitrile / (SK10-2N)
V Fluorocarbon / (SK10-2V)
Code Pressure Range
20 6.9 - 138 Bar (100 - 2000 PSI)
Standard Setting:
69 Bar (1000 PSI)
@ 11.3 LPM (3 GPM)
30 103 - 207 Bar (1500 - 3000 PSI)
Standard Setting:
172 Bar (2500 PSI)
@ 11.3 LPM (3 GPM)
Code Body Material
Omit Steel
A Aluminum
Code Adjustment Style / Kit No.
F Fixed style, preset at factory.
K Knob Adjust (717784-15)
S Screw Adjust
T Tamper Resistant Cap (717785)
Optional Pressure Setting
Pressure ÷ 10
i.e. 235 = 2350 PSI
(Omit if standard setting is used)
Setting Range:
100 to 3000 PSI
All settings at 11.3 LPM (3 GPM)
XR101
10 Size
Dual Cross-Over
Relief Valve
* Add “A” for aluminum, omit for steel.
Code Port Size Body Part No.
Omit Cartridge Only
8P 1/2 NPTF (B10-2-*8P)
6T SAE-6 (B10-2-*6T)
8T SAE-8 (B10-2-*8T)
(1)
(2)
31.8
(1.25)
74.4
(2.93)
Ø 15.8
(.62)
74.3
(2.92)
Fixed Cap/Tamper Resistant Version
7/8-14 UNF-2A
Thread
69.4
(2.73)
71.1
(2.80)
(1)
(2)
38.1 (1.50)
Knob
25.4 (1.00) Hex.
22 N.m.
(190 In.-Lbs.)
Torque
Screw/Knob Version