Proportional Valves Technical Information
PPR09-POD
OPERATION
Proportional Pressure Reducing / Relieving Valve, Pilot Operated, Normally Open to Drain. With no current to the coil, the “reduced pressure” (port 3) is connected to drain (port 4), while blocking the inlet (port 2). As current is increased to the coil, inlet (port 2) is connected to “reduced pressure” (port 3), proportionally increasing the “reduced pressure” as shown on the performance curve(s). If the“reduced pressure”exceeds the setting induced by the coil, pressure is relieved to drain (port 4). This 09 Series valve uses a 10 size cavity with an 08 size tube and coil, providing an optimal product for high flow and low pressure, while minimizing pressure drop in the system. This valve was formerly branded as XRP 044.
APPLICATION
Common applications include low-pressure proportional pilot control of clutches or hydraulically piloting large directional spool valves. Refer to example circuits. Use the optional screen to help protect the actuator from large particles. Select the robust coil for those extreme environmental conditions – voltage extremes, high temperature, shock & vibration, chemicals, and/or water ingression.
THEORETICAL PERFORMANCE
SPECIFICATIONS
Rated pressure |
50 bar [725 psi] |
Rated flow at 7 bar |
25 l/min |
[100 psi] |
[7 US gal/min] |
Weight |
0.34 kg [0.75 lb] |
Hysteresis |
6% maximum |
Threshold current |
0.15 A (12 VDC coil) |
|
0.08 A (24 VDC coil) |
Maximum control current |
1.2 A (12 VDC coil) |
DIMENSIONS |
0.6 A (24 VDC coil) |
Cavity |
SDC10-4 |
Standard Coil |
M13 20 Watt |
Robust Coil |
R13 16 Watt |
|
Robust Nut P/N 173800539 |
|
No coil O-rings needed. |
Shown with Standard Coil and Filter
Shown with Robust Coil and Filter
SCHEMATICS
BC332375973113en-000101 • February 2020 |
PV - 57 |
Proportional Valves Technical Information
PPR09-POD
DIMENSIONS
mm [in] |
Cross-sectional view |
EXAMPLE APPLICATION CIRCUITS
ORDERING INFORMATION
BC332375973113en-000101 • February 2020 |
PV - 58 |