
IPVP7‑125‑111 IPV Series Hydraulic Oil Gear Pump IPVS IPVAP IPVP3‑IPVP7
Wuhan Xinlaifu Hydraulic Equipment Co., Ltd. is one of the leading manufacturers and suppliers of ipvp7‑125‑111 ipv series hydraulic oil gear pump ipvs ipvap ipvp3‑ipvp7 in China. With abundant experience, we warmly welcome you to buy high quality customized products at competitive price from our factory. Also, OEM&ODM service is available.
Technical specifications

| Item | Specification |
|---|---|
| Part Number | IPVP7‑125‑111 |
| Product Type | Internal Hydraulic Gear Pump |
| Applicable Machine | Injection molding machine, hydraulic power unit, industrial machinery |
| Brand Reference | VOITH IPV Series |
| Application | Industrial hydraulic system, pressure oil supply |
| Gear Structure | Internal meshing gear structure, floating side plate compensation |
| Material | Ductile cast iron pump housing, alloy steel gear pair |
| Output Torque | Subject to system pressure & displacement (125.8 cm³/rev displacement) |
| Working Pressure | Continuous:250 bar; Peak:300 bar |
| Installation Form | Flange mounting, shaft‑drive |
| Working Condition | Hydraulic mineral oil,‑20℃~+80℃ fluid temperature |
| Sealing Type | High‑pressure skeleton oil seal |
| Weight | Approx.84 kg |
| Remark | Drop‑in replacement; full IPV series IPVS,IPVAP,IPVP3‑IPVP7 available |
Product Overview
The IPVP7‑125‑111 is an internal‑meshing hydraulic gear pump belonging to the IPV series, including variants IPVS, IPVAP, IPVP3‑IPVP7. Designed as a drop‑in replacement unit, it delivers stable flow output for industrial hydraulic systems. Widely fitted on hydraulic power units, injection molding machines and general engineering machinery. Complete IPV‑series pump models are available for your selection.
Features and Advantages
Features
- IPVP7‑125‑111, part of IPV series internal‑meshing gear pump, compatible with IPVS, IPVAP, IPVP3‑IPVP7 full variants
- Floating side‑plate clearance compensation structure for sustained volumetric efficiency
- Ductile iron pump housing & alloy steel gear pair for stable continuous operation
- Standard flange shaft‑drive mounting form for direct installation
- High‑pressure sealing assembly for long‑term hydraulic mineral‑oil working conditions
Advantages
- Drop‑in interchangeable replacement, no extra modification required
- Consistent flow performance under rated working pressure
- Wide compatibility for hydraulic power units, injection‑molding and industrial machinery
- Complete IPV‑series model coverage for one‑stop sourcing
- Easy maintenance and low failure rate for industrial heavy‑duty cycles
Typical applications
IPVP7‑125‑111 IPV series hydraulic gear pump (IPVS, IPVAP, IPVP3‑IPVP7 variants) supplies pressure oil for diverse industrial hydraulic systems, widely deployed in:
- Plastic & injection‑molding machinery
- Hydraulic power units (HPU)
- Metal‑working presses, punching & bending equipment
- Die‑casting machines
- Special‑purpose industrial machinery
- Lifting & conveying equipment
- Machine‑tool hydraulic assemblies
- Marine and municipal vehicle hydraulic systems




Q: What is IPVP7‑125‑111?
A: IPVP7‑125‑111 is an internal‑meshing hydraulic gear pump from the IPV series. This product line includes IPVS, IPVAP, IPVP3, IPVP4, IPVP5, IPVP6 and IPVP7 variants for industrial hydraulic systems.
Q: Can IPVP7‑125‑111 be used as a direct replacement pump?
A: Yes. IPVP7‑125‑111 is a drop‑in interchangeable replacement unit. No major modification is required for matching equipment.
Q: What working pressure does IPVP7‑125‑111 support?
A: Continuous operating pressure up to 250 bar, peak pressure reaches 300 bar, suitable for mineral hydraulic oil working medium.
Q: What machines can IPVP7‑125‑111 fit into?
A: It is widely applied for hydraulic power units, injection molding machines, die‑casting machines, metal‑working presses and other special‑purpose
industrial machinery.
Q: What models are covered in the IPV series gear pump range?
A: The full IPV series consists of IPVS, IPVAP, IPVP3, IPVP4, IPVP5, IPVP6, IPVP7, including the IPVP7‑125‑111 displacement variant.
Q: Does IPVP7‑125‑111 require special installation tools?
A: It adopts standard flange shaft‑drive mounting. Standard hydraulic installation tools are sufficient for assembly and commissioning.
Q: What is the main structure feature of IPVP7‑125‑111 hydraulic gear pump?
A: It features internal‑meshing gear design with floating side‑plate compensation, maintaining stable volumetric efficiency under continuous working cycles.
Q: Are other IPV series pump variants available besides IPVP7‑125‑111?
A: Yes, full stock support for IPVS, IPVAP and IPVP3‑IPVP7 series. Send inquiry for model confirmation and quotation.
Model Displacement
| Item | Specification |
|---|---|
| Part Number | IPVP7‑125‑111 |
| Product Type | Internal‑Meshing Hydraulic Gear Pump |
| Brand Reference | VOITH IPV Series |
| Displacement | 125.8 cm³/rev |
| Theoretical Flow @1500 rpm | 188.7 L/min |
| Min. Operating Speed | 400 rpm |
| Max. Continuous Speed | 2200 rpmmelco.com.... |
| Continuous Working Pressure | 300 bar |
| Peak Pressure (15% duty‑cycle, max 1min cycle) | 330 barmelco.com.... |
| Gear Structure | Internal‑meshing gear, floating side‑plate axial & radial clearance compensation |
| Material | Ductile cast iron housing, alloy‑steel gear pair |
| Installation Form | ISO‑3019‑2 Flange mounting, shaft‑drive |
| Rotation Direction | Clockwise (111 code: right‑hand rotation) |
| Working Fluid | Mineral hydraulic oil DIN 51524 |
| Fluid Viscosity Range | 20‑40 mm²/s (optimum) |
| Working Fluid Temperature | -20 ℃ ~ +80 ℃ |
| Sealing Type | High‑pressure skeleton oil seal |
| Volumetric Efficiency | ≥93% under rated condition |
| Weight | Approx. 84.05 kg |
| Applicable Machine | Injection molding machine, hydraulic power unit, die‑casting machine, metal‑working press, industrial special‑purpose machinery |
| Remark | Drop‑in replacement; full IPV‑series variants IPVS, IPVAP, IPVP3‑IPVP7 available. Peak pressure only for intermittent operation (15% cycle max)melco.com.... |
Note:
Peak pressure is only allowed for 15% of total operating time, maximum cycle duration 1 minute.
Weight marked "Approx."; minor tolerance exists for aftermarket replacement units.
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