Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.
| Oil Cleanliness Requirement | ISO 4406 18/16/13 (NAS 1638 Class 8–9) |
| Packaging Details | wooden box |
| Seal Material | FKM (Fluoroelastomer / Viton, standard for mineral oil HLP) |
| Supply Ability | 100 |
| Recommended Oil Viscosity | 16 – 100 mm²/s (optimal ISO VG 46 at operating temp) |
| Net Weight (Approx.) | ≈ 145–150 kg (dry, excl. coupling) |
| Payment Terms | Western Union,T/T,D/P,D/A,L/C |
| Case Drain | Two case drain ports — must be routed to tank < 2 bar backpressure |
| Delivery Time | 2 weeks |
| Model Number | A4VSO250DRG/30L-PPB25N00 |
| Certification | ISO |
| Brand Name | Rexroth |
| Place of Origin | German |
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Product Specification
| Oil Cleanliness Requirement | ISO 4406 18/16/13 (NAS 1638 Class 8–9) | Packaging Details | wooden box |
| Seal Material | FKM (Fluoroelastomer / Viton, standard for mineral oil HLP) | Supply Ability | 100 |
| Recommended Oil Viscosity | 16 – 100 mm²/s (optimal ISO VG 46 at operating temp) | Net Weight (Approx.) | ≈ 145–150 kg (dry, excl. coupling) |
| Payment Terms | Western Union,T/T,D/P,D/A,L/C | Case Drain | Two case drain ports — must be routed to tank < 2 bar backpressure |
| Delivery Time | 2 weeks | Model Number | A4VSO250DRG/30L-PPB25N00 |
| Certification | ISO | Brand Name | Rexroth |
| Place of Origin | German | ||
| High Light | Rexroth A4VSO250 piston pump ，German Rexroth piston pump with warranty ，original packaging Rexroth piston pump | ||
Original Rexroth axial piston variable pump imported from Germany with complete factory packaging. This swashplate-type pump features pressure control with remote setting capability for precise hydraulic system control.
| Parameter | Specification |
|---|---|
| Model | A4VSO250DRG/30L-PPB25N00 |
| Brand / Origin | Rexroth / Germany |
| Type | Swashplate-type axial piston variable pump (Open circuit) |
| Displacement (Vg max) | 250 cm³/rev |
| Control Type | DRG - Pressure control with remote pressure setting (remote constant pressure / pressure cut-off) |
| Nominal Pressure | 350 bar (35 MPa) Continuous |
| Peak / Maximum Pressure | 400 bar (40 MPa) Intermittent |
| Maximum Speed (nₘₐₓ) | 1800 rpm |
| Theoretical Flow @ 1500 rpm | ≈ 375 L/min (Q = n × Vg / 1000) |
| Rotation Direction | L - Counter‑clockwise (viewed from shaft end) |
| Mounting Flange | ISO 3019‑2 / Series 30, 4‑bolt (Code PP) |
| Through‑drive | Yes - PPB indicates through‑drive capable |
| Port Configuration | PPB25 - SAE flange side ports (P & T 90° apart) |
| Seal Material | FKM (Fluoroelastomer / Viton, standard for mineral oil HLP) |
| Case Drain | Two case drain ports - must be routed to tank < 2 bar backpressure |
| Recommended Oil Viscosity | 16 - 100 mm²/s (optimal ISO VG 46 at operating temp) |
| Oil Cleanliness Requirement | ISO 4406 18/16/13 (NAS 1638 Class 8-9) |
| Net Weight (Approx.) | ≈ 145-150 kg (dry, excl. coupling) |
| Package / Condition | Original factory wooden crate, new unused, imported with original packaging |
| Supply Region | Global - Available via Rexroth authorized industrial hydraulics distributors |
This pump is compatible with various A4VSO series models including:
DRG is pressure control with remote pressure setting. Like DR (direct-set constant pressure), the pump limits system pressure by reducing displacement when pressure reaches the setpoint. The difference: DRG's pressure setpoint is not set by an onboard spring knob but is determined by an externally connected pilot relief valve (on port XD/X).
DR has an onboard adjusting screw for direct setting; DRG is used when you want to adjust the pump's pressure setpoint remotely (e.g. from a cabinet or PLC-controlled pilot valve).
Connect a pilot relief valve (DB …-5X/… type recommended) between the DRG's XD port and tank. The pilot valve's cracking pressure determines the base setpoint. The XD port must never be blocked - blocking XD will prevent the DRG from functioning and the pump may stay at full displacement. A small amount of pilot oil (≈1.5-3 L/min) flows through the DRG when active.
Yes. The PPB code indicates through‑drive capability. You can flange-mount another A4VSO pump (same or smaller size) on the rear to form a tandem/combo pump. N00 = no auxiliary gear pump pre-fitted, through-drive shaft is present.
Yes, strongly recommended. DRG provides pressure limiting under normal conditions but has finite response time. A system safety relief valve (e.g. DB type, set slightly above max DRG setpoint + margin) protects against pressure spikes from thermal expansion, control lag, or pilot valve failure.
Maintain ISO 4406 18/16/13 (NAS 1638 Class 8 -9) minimum using a return-line filter β₁₀ ≥ 200. Contamination is the primary cause of premature wear in A4VSO pumps.
B25 = SAE flange side ports with pressure port (B) and tank port (S) 90° apart, plus a second pressure port (B1) on the opposite side of B, normally plugged with a SAE flange blank. This allows cascade loading or superimposing signals in multi-pump systems.
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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