Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.
| Payment Terms | Western Union,T/T,D/A,D/P,L/C |
| Supply Ability | 100 |
| Delivery Time | 2 weeks |
| Packaging Details | wooden box |
| Weight | 88 - 99 kg |
| Operating Temperature | -20°C to +80°C |
| Max. Speed | 1800 rpm (at Vg max) |
| Peak Pressure | 400 bar (Intermittent) |
| Max. Displacement | 125 cm³/rev |
| Brand Name | Rexroth |
| Model Number | R910999362 A4VSO125DR/30R-VPB13N00 |
| Certification | ISO |
| Place of Origin | German |
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Product Specification
| Payment Terms | Western Union,T/T,D/A,D/P,L/C | Supply Ability | 100 |
| Delivery Time | 2 weeks | Packaging Details | wooden box |
| Weight | 88 - 99 kg | Operating Temperature | -20°C to +80°C |
| Max. Speed | 1800 rpm (at Vg max) | Peak Pressure | 400 bar (Intermittent) |
| Max. Displacement | 125 cm³/rev | Brand Name | Rexroth |
| Model Number | R910999362 A4VSO125DR/30R-VPB13N00 | Certification | ISO |
| Place of Origin | German | ||
| High Light | Rexroth German made piston pump ，A4VSO125DR piston pump ，VPB13N00 hydraulic piston pump | ||
|
Parameter |
Specification |
|---|---|
|
Manufacturer / Series |
Rexroth A4VSO Series 30 |
|
Order Code |
R910999362 |
|
Full Model |
AA4VSO125DR/30R-VPB13N00 |
|
Pump Type |
Axial Piston Variable Pump (Swashplate Design, Open Circuit) |
|
Control Type |
DR (Pressure Control / Pressure Compensator) |
|
Max. Displacement |
125 cm³/rev |
|
Nominal Pressure |
350 bar |
|
Peak Pressure |
400 bar (Intermittent) |
|
Nominal Size |
NG 125 |
|
Rotation Direction |
Right-hand (R, Clockwise, viewed from shaft end) |
|
Shaft Type |
Parallel Keyed Shaft (DIN 6885) |
|
Ports |
S (Suction), B (Pressure), L (Case Drain), X (Control) |
|
Port Size |
Code 13 (SAE Flange, Metric Threads) |
|
Mounting Flange |
ISO 3019-2 / SAE 4-bolt |
|
Max. Speed |
1800 rpm (at Vg max) |
|
Max. Flow |
~225 L/min (at 1800 rpm) |
|
Seal Material |
FKM (Viton) |
|
Hydraulic Fluid |
Mineral oils (HL, HLP), HFD (Synthetic) |
|
Operating Temperature |
-20°C to +80°C |
|
Weight |
Approx. 88 - 99 kg |
|
Country of Origin |
Germany |
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Q1: What is the function of the "DR" control?
A: The DR is a Pressure Compensator. It automatically reduces the pump's displacement (destrokes) when the system pressure reaches the preset value. This maintains constant pressure while minimizing energy consumption and heat generation. It is ideal for systems requiring a constant pressure supply, such as hydraulic power units (HPUs).
Q2: What does the "VPB13N00" suffix indicate?
A: This code defines the mechanical configuration:
V: FKM (Viton) seals, offering superior chemical and high-temperature resistance compared to standard NBR (P).
P: Standard parallel key shaft (DIN 6885).
B13: Port size code 13 (SAE flange ports with metric threads).
N00: No through-drive (solid shaft end, cannot mount additional pumps on the shaft).
Q3: What is the key difference between A4VSO and the previously mentioned A10VSO pumps?
A: The A4VSO is a heavier-duty industrial pump compared to the A10VSO:
Pressure Rating: A4VSO operates at 350 bar nominal (400 bar peak), while A10VSO is typically 280 bar nominal.
Size & Robustness: A4VSO 125 is significantly larger and heavier (~90 kg vs ~35 kg for A10VSO71), designed for high-power industrial applications like presses and heavy machinery.
Control Options: A4VSO offers more complex control variants (e.g., LR power control, HD remote control).
Q4: What are the X and L ports used for?
A:
X Port (Control): External Control Pressure. Used for remote pressure control or external pilot pressure supply for the DR control valve.
L Port (Case Drain): Must be connected directly to the tank. It relieves internal leakage pressure to protect the shaft seal. Maximum allowable backpressure is typically 0.5-2 bar.
Q5: Can this pump be used in a closed-loop system?
A: No. The A4VSO DR 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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