YISHG HVP-30 40 -F-140 A3 A2 electric special high-pressure variable vane oil pump with large displacement
Brand: YiHe
Product origin: China
Delivery time: 10-30days
Supply capacity: 300pcs/day
Model: HVP-30
Max Displacement: 30ml/rev
Max Working Pressure: 140Mpa
Shaft Speed Range: 900 r/min -1800 r/min
Rotation: Right and Left From Shaft End
Control Type: DOSING PUMP
Product Type: Vane Pump
Tired of High Hydraulic Heat and System Power Waste? Upgrade to Intelligent Pressure Compensation!
In shoe machinery, plastic injection machines, and CNC lathe clamping systems, running a standard fixed pump during long pressure-holding cycles is a massive waste of electricity. The bypassed oil constantly overheats, degrading seals and ruining fluid viscosity.
Our premium YISHG HVP-30 / HVP-40 High-Pressure Variable Vane Pumps solve this engineering flaw directly. Equipped with a built-in mechanical pressure-compensation mechanism, the pump automatically adjusts its volumetric displacement based on system load. You achieve maximum flow during fast cylinder strokes, and near-zero flow during pressure holding—reducing your electric bill by up to 40% and slashing cooling demands.
"Electric Special" Direct Integration: Engineered for seamless mounting directly to electric motor faces, eliminating complex external coupling brackets and shaft misalignment vibration.
High Pressure up to 140 Bar: True high-pressure variable capacity capable of continuous operation in heavy clamping and forming machinery.
Technical Parameters & Operational Comparison
Cross-verify your system's required flow rates, pressure limits, and installation standards with our factory engineering table below:
| Model Series | Max Displacement (cm³/rev) | Pressure Adjusting Range Code | Max Pressure (MPa / bar) | Speed Range (r/min) |
|---|---|---|---|---|
| HVP-30-F-140 | 30.0 cm³/rev (Large Displacement) | A2: 2.0 - 5.5 MPa A3: 5.0 - 14.0 MPa | 14.0 MPa / 140 bar (140 Code) | 800 - 1800 r/min |
| HVP-40-F-140 | 40.0 cm³/rev (Large Displacement) | A2: 2.0 - 5.5 MPa A3: 5.0 - 14.0 MPa | 14.0 MPa / 140 bar (140 Code) | 800 - 1800 r/min |
Nomenclature & Order Code Decoding: HVP-30/40-F-140-A3/A2
| Code Block | Technical Specifications Meaning | Hydraulic Circuit Application Fit |
|---|---|---|
| HVP | High-Pressure Variable Displacement Vane Pump | Self-regulating flow mechanism adjusts displacement to circuit demand. |
| F | Flange Mounting Configuration | Standardized physical envelope for direct motor housing bolt-on. |
| 140 | Max Working Pressure Rating (14.0 MPa) | Heavy-duty construction limits designed to prevent casing fatigue. |
| A2 / A3 | Pressure Adjusting Code Range | A2 (20-55 bar) for low-medium holding; A3 (50-140 bar) for high-clamping. |
Precision Tooling: Engineered for Sharp Variable Response
Variable vane pumps depend heavily on the rapid, frictionless movement of the internal cam ring against a spring-loaded compensator piston. Low-tier generic variable pumps suffer from poor internal track tolerances, causing sticky compensation responses, flow surges, and premature spring fatigue. We enforce absolute quality control directly from our facility floor:
Dual-Vane Pin Structure: The HVP series utilizes an advanced vane and pin design. Vanes are pressure-balanced to significantly lower direct friction wear against the stator ring, guaranteeing ultra-low sound output (under 65 dB) during full cut-off pressure states.
Precision Ground Compensator Pistons: The pressure control spool and feedback piston are honed to tolerances within 1 micron. This ensures instantaneous reaction response times when shifting from high-flow to low-flow states.
100% Dynamic Calibration & Test: Every variable pump is dynamic-tested on our hydraulic bench up to 14.0 MPa. We pre-calibrate the pressure offset curves to ensure out-of-the-box reliability.
Pro Maintenance Tip: Prevent the Catastrophic "Sandpaper Effect"
**When should you schedule a pump overhaul?** If your variable pump exhibits sluggish flow response, struggles to reach set system pressures, or produces a harsh metallic whining under high-load states, the internal variable track pathways have begun to wear down.
If your maintenance crew bolts on a brand-new variable pump without thoroughly scrubbing the system, these residual particles act as an aggressive grinding compound. They instantly trigger a destructive "sandpaper effect", scratching the ground side faces and seizing the compensator piston spool within hours of initial deployment.
Mandatory Engineering Action: Meticulously flush and clean the reservoir oil tank, purge system pipelines, and install a brand-new 10-micron absolute return-line filter concurrently with the new HVP pump installation.
Frequently Asked Questions: HVP Series Variable Vane Pumps
1. How does a variable displacement vane pump like the HVP series save energy compared to fixed pumps? +
2. Can this variable pump be mounted to any standard industrial electric motor? +
3. What is your standard factory shipment timeline for emergency replacement orders? +
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