| 1 | Pressure-Compensated Variable-Displacement Vane Pump | Injection molding, machine tools, presses, and systems with frequently changing flow demand | 10–250 cm³/rev | 140–210 bar | Reduces unloaded power consumption, automatically adjusts flow, and supports efficient pressure control | ISO 4406 16/14/11 | Use a return-line filter of approximately 10 µm β10 ≥ 200 and a pressure-line filter where valve sensitivity requires it. Keep reservoir breathing air filtered. | Check compensator stability, standby pressure, case leakage, filter restriction, and noise during load changes. | Inspect every 1,000 operating hours; replace wear components according to condition monitoring. |
| 2 | Balanced Fixed-Displacement Vane Pump | General hydraulic power units, material handling, presses, and industrial clamping circuits | 5–250 cm³/rev | 100–175 bar | Low radial shaft loading, relatively low noise, stable flow, and good suitability for continuous duty | ISO 4406 17/15/12 | Install a return filter around 10–25 µm with an appropriate beta ratio. Use a suction strainer only when permitted by the pump design and never allow cavitation-inducing restriction. | Monitor inlet vacuum, outlet pressure, shaft seal condition, vane wear, and oil temperature. | Routine inspection every 500–1,000 operating hours; sample fluid at least twice per year. |
| 3 | Single-Vane Cartridge Pump | Compact power units, service equipment, low-to-medium duty industrial actuators, and replacement applications | 4–100 cm³/rev | 70–140 bar | Simple cartridge replacement, easy servicing, compact installation, and reduced downtime | ISO 4406 18/16/13 | Use a clean reservoir, a properly sized return filter, and a suction-line arrangement that avoids air entrainment. Flush the circuit before commissioning. | Inspect cartridge seating, rotor and vane condition, shaft seal leakage, contamination ingress, and abnormal temperature rise. | Check at 500 hours, then every 1,000 hours or when performance declines. |
| 4 | Double Vane Pump | Systems requiring two independent flow circuits, such as presses, lifting equipment, and multi-function machinery | Two sections of 5–160 cm³/rev each | 100–175 bar per section | Two hydraulic circuits from one drive shaft, reduced packaging space, and flexible circuit design | ISO 4406 17/15/12 | Provide filtration for the common reservoir and verify that each circuit has suitable pressure and return filtration for its valves and actuators. | Compare pressure, flow, temperature, and noise between both sections; inspect coupling alignment and common shaft seals. | Inspect every 1,000 operating hours; investigate any imbalance between pump sections. |
| 5 | Variable-Displacement Vane Pump with Load-Sensing Control | Energy-efficient presses, industrial automation, test benches, and systems with intermittent actuator demand | 20–250 cm³/rev | 140–210 bar | Matches pump output to system demand, lowers heat generation, and improves part-load efficiency | ISO 4406 16/14/11 | Use high-efficiency pressure and return filtration. Protect the load-sensing orifice and control passages from fine particulate contamination. | Check standby pressure, differential pressure response, control-line cleanliness, compensator operation, and case-drain flow. | Trend pressure and case-drain flow every 500–1,000 hours. |
| 6 | High-Pressure Balanced Vane Pump | Heavy-duty presses, metal-forming machinery, industrial clamping, and demanding continuous-cycle equipment | 20–200 cm³/rev | 175–210 bar continuous; higher peaks may be permitted by design | Suitable for high-pressure service, balanced hydraulic loading, and reliable operation when fluid cleanliness is controlled | ISO 4406 16/14/11 | Use high-performance pressure filtration, offline kidney-loop filtration for large reservoirs, and a filtered breather. Avoid pressure spikes and cold starts. | Monitor case-drain flow, pressure ripple, bearing noise, housing temperature, and filter differential pressure. | Fluid analysis every 500–1,000 hours; inspect the pump when case-drain flow increases. |
| 7 | Low-Noise Vane Pump | Indoor manufacturing lines, precision machine tools, robotics, and operator-sensitive industrial environments | 5–160 cm³/rev | 100–175 bar | Lower pressure pulsation and acoustic emissions when correctly installed and supplied with aeration-free oil | ISO 4406 16/14/11 | Use clean hydraulic fluid, an adequately sized inlet line, anti-vibration mounting, and fine return filtration. Prevent reservoir turbulence and air ingestion. | Check acoustic changes, coupling alignment, inlet restriction, fluid aeration, and mounting fasteners. | Inspect noise and vibration trends every 500 hours. |
| 8 | High-Speed Vane Pump | Compact mobile-industrial equipment, auxiliary circuits, packaging machinery, and applications requiring high power density | 5–100 cm³/rev | 70–140 bar | High flow from a compact package, fast response, and efficient use of installation space | ISO 4406 17/15/12 | Maintain low inlet restriction, use correctly sized suction piping, control oil viscosity, and install efficient return filtration. | Monitor cavitation noise, inlet vacuum, oil temperature, shaft seal condition, and rotational-speed limits. | Inspect every 500 operating hours, especially in high-temperature or high-speed service. |
| 9 | Vane Pump for Fire-Resistant Hydraulic Fluid | Steel processing, foundry equipment, hot-forming machinery, and installations using water-glycol or phosphate-ester fluids | 5–160 cm³/rev | 70–140 bar, depending on fluid and pump materials | Can support applications where reduced flammability is required, provided fluid compatibility is confirmed | ISO 4406 18/16/13 | Use filters and seals compatible with the selected fluid. Control water content, viscosity, corrosion risk, and fluid temperature; do not mix incompatible fluids. | Check seal compatibility, corrosion, fluid concentration, viscosity, filter condition, and internal wear. | Analyze fluid every 500 hours or at least quarterly in critical service. |
| 10 | Servo-Compatible Precision Vane Pump | Closed-loop test systems, precision presses, industrial motion control, and high-response hydraulic circuits | 5–100 cm³/rev | 100–175 bar | Stable flow characteristics and compatibility with sensitive proportional or servo-control systems | ISO 4406 15/13/10 | Use high-efficiency pressure filtration, offline filtration, filtered reservoir air, and strict flushing procedures before connecting precision valves. | Trend contamination, pressure ripple, flow stability, valve response, case-drain flow, and filter differential pressure. | Continuous condition monitoring; fluid analysis every 250–500 hours. |
