Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.
| Payment Terms | Western Union,T/T,D/P,D/A,L/C |
| Supply Ability | 100 |
| Delivery Time | 2 weeks |
| Packaging Details | wooden box |
| Control Type | DFR1 (Pressure & Flow Control) |
| Displacement | 18 cm³/rev (Max geometric) |
| Nominal Pressure | 280 bar |
| Peak Pressure | 350 bar |
| Mounting Flange | ISO 3019-2 (SAE 2-bolt) |
| Brand Name | Rexroth |
| Model Number | R910991846 AA10VS018DFR1/31R-VPA12N00 |
| Certification | ISO |
| Place of Origin | Germany |
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Product Specification
| Payment Terms | Western Union,T/T,D/P,D/A,L/C | Supply Ability | 100 |
| Delivery Time | 2 weeks | Packaging Details | wooden box |
| Control Type | DFR1 (Pressure & Flow Control) | Displacement | 18 cm³/rev (Max geometric) |
| Nominal Pressure | 280 bar | Peak Pressure | 350 bar |
| Mounting Flange | ISO 3019-2 (SAE 2-bolt) | Brand Name | Rexroth |
| Model Number | R910991846 AA10VS018DFR1/31R-VPA12N00 | Certification | ISO |
| Place of Origin | Germany | ||
| High Light | Rexroth hydraulic piston pump ，AA10VS018DFR1 hydraulic pump ，Germany made piston pump | ||
|
Parameter |
Specification |
|---|---|
|
Manufacturer / Series |
Rexroth A10VSO Series 31 |
|
Order Code |
R910991846 |
|
Full Model |
AA10VS018DFR1/31R-VPA12N00 |
|
Pump Type |
Axial Piston Variable Pump (Swashplate Design, Open Circuit) |
|
Control Type |
DFR1 (Pressure & Flow Control) |
|
Displacement |
18 cm³/rev (Max geometric) |
|
Nominal Pressure |
280 bar |
|
Peak Pressure |
350 bar |
|
Nominal Size |
NG 18 |
|
Rotation Direction |
Right-hand (R, viewed from shaft end) |
|
Shaft Type |
Parallel Keyed Shaft (DIN 6885) |
|
Ports |
S (Suction), B (Pressure), L (Case Drain), X (Control) |
|
Port Size |
Code 12 (Metric threads) |
|
Mounting Flange |
ISO 3019-2 (SAE 2-bolt) |
|
Max. Speed |
3300 rpm (at max displacement) |
|
Max. Flow |
~59 L/min (at 3300 rpm) |
|
Seal Material |
FKM (Viton) |
|
Hydraulic Fluid |
Mineral oils (HL, HLP), HETG, HEES, HFDU |
|
Operating Temperature |
-20°C to +80°C |
|
Weight |
Approx. 12.9 kg |
|
Country of Origin |
Germany |
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Q1: What is the function of the "DFR1" control?
A: DFR1 stands for "Pressure Flow Controller". It combines two functions:
Pressure Control (Limiting): Acts as a pressure compensator, destrokeing the pump when system pressure reaches the set value (like a DR control).
Flow Control (Load Sensing): Automatically adjusts displacement to maintain a constant pressure differential (Δp) across a downstream orifice, providing load-independent flow control. This makes it highly energy-efficient for systems with varying loads.
Q2: What does the "VPA12N00" suffix indicate?
A: This code defines the mechanical configuration:
V: FKM (Viton) seals, offering superior chemical and temperature resistance.
P: Standard parallel key shaft (DIN 6885).
A12: Port size code 12 (metric threads).
N00: No through-drive (solid shaft end, cannot mount additional pumps on the shaft).
Q3: What is the key difference between DFR and DFR1?
A: The primary difference is the integration of the pressure limiter and flow controller. The DFR1 is a more compact and optimized version of the DFR control, offering similar functionality with potentially faster response times and simplified external piping.
Q4: What are the X and L ports used for?
A:
X Port (Control): Used for load-sensing feedback. It connects to the downstream system to sense the load pressure, allowing the pump to adjust its displacement to maintain the set Δp.
L Port (Case Drain): Must be connected directly to the tank. It relieves internal leakage pressure to protect the shaft seal (max backpressure typically 2 bar).
Q5: Can this pump be used in a closed-loop system?
A: No. The A10VSO DFR1 is designed exclusively for open-circuit applications (pump → valve → actuator → tank). For closed-loop hydrostatic transmissions, you would need an A4VG or A2FM series unit.
Company Details
Business Type:
Manufacturer,Exporter
Total Annual:
1 million-10 millon
Employee Number:
>50
Ecer Certification：
Verified Supplier
Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha... Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha...
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