Product Description
Premium factory-direct HZ-PD075 (including HZ-P1075) Axial Piston Variable Displacement Pump, precision-engineered as a 100% plug-and-play interchangeable drop-in replacement for OEM Parker Hannifin PD075 and P1075 series. Specifically optimized for heavy-duty mobile construction equipment, forestry harvesters, and high-cycle industrial power units, this 75 displacement pump delivers remarkable volumetric efficiency and lightning-fast stroke adjustment. Featuring an ultra-robust nodular iron casing and dynamic vacuum-sintered bimetallic cylinder groups, our HZ-PD075 series comfortably sustains continuous operating pressures up to 280 bar and intermittent peak pressures up to 350 bar, ensuring smooth and uninterrupted fluid power.
-
Seamless Parker OEM Compatibility: Engineered to match exact Parker model codes including PD075PS01 (Pressure Limiter Control) and PD075PS02 (Load Sensing Control). Identical SAE mounting flanges, splined drive shafts, and high-pressure ports guarantee direct bolt-on installation with zero field modification.
-
Advanced Spherical Bimetal Interface: The cylinder block features vacuum-sintered bronze alloy bonded to a high-tensile steel core. This elite tribological pair offers superior resistance against friction wear and face scoring under fluctuating thermal conditions.
-
Instantaneous Compensator Tuning: Integrated PS01/PS02 compensator valve blocks are pre-calibrated on our digital diagnostic lines, aligning perfectly with OEM response limits to eliminate pressure spikes, system oscillations, or diesel engine lugging.
| Haozheng Model Code | OEM Cross Reference | Control Valve & Key Specs (75 cm³/rev) |
|---|---|---|
| HZ-PD075PS01SRS5ARM0S1000000 | Parker PD075PS01 Series | • Control Type: PS01 Proportional Pressure Limiter • Shaft & Mount: Splined / Standard SAE Flange • Cleanliness Rating: ISO 20/18/14 |
| HZ-PD075PS02SRS5BC00S0000000 | Parker PD075PS02 Series | • Control Type: PS02 Load Sensing (Flow & Pressure Comp.) • Shaft & Mount: Splined / Standard SAE Flange • Cleanliness Rating: ISO 20/18/14 |
| HZ-P1075 | Parker P1075 Series | • Application: High-Pressure Mobile Mining/Forestry • Rotation: Standard Right-Hand (CW) • Cleanliness Rating: ISO 20/18/14 |
PD Series Variable Displacement Piston Pump
Model: PD45 / PD60 / PD75 / PD100 / PD140
Medium-pressure open circuit axial piston pumps, compatible with multiple controllers (constant pressure, load sensing, electro-proportional control). Stable performance, low noise, widely used in industrial hydraulics & special mobile machinery.
Model-by-Model Application & Target Machinery
PD45 (45cc Displacement, Small Size)
- Small hydraulic power units, machine tool clamping systems
- Aerial work platforms, compact road sweepers
- Light agricultural machinery, small wood processing equipment
- Mini hydraulic test benches, auxiliary injection molding equipment
PD60 (60cc Displacement, Small-medium Size)
- Medium hydraulic stations, bending machines & small shearing machines
- Horizontal directional drilling rigs, compact geological exploration drills
- Waste compactors, scrap balers
- Light forest grapples, forage harvesting machinery
PD75 (75cc Displacement, Medium Size)
- Medium extrusion & plastic molding equipment
- Road maintenance machinery, small cold milling machines
- Light port handling equipment, hydraulic attachments for forklifts
- Hydraulic test benches, automated production line hydraulic systems
PD100 (100cc Displacement, Medium-large Size)
- Medium injection molding machines, hydraulic forging equipment
- Concrete conveying machinery, hydraulic systems for mini mixing plants
- Small tunnel auxiliary excavation equipment, light mining drills
- Large waste crushers, solid waste treatment equipment
PD140 (140cc Displacement, Large Size)
- Large hydraulic power stations, waterjet cutting equipment
- Offshore light lifting equipment, oil & gas pipeline processing machinery
- Heavy-duty balers, large metallurgical clamping devices
- Heavy-duty hydraulic test benches, supporting hydraulic units for construction machinery
General Industry Summary
1. Industrial Hydraulics
2. Special Mobile Construction Machinery
3. Environmental & Resource Equipment
4. Other Applications
Product Description
PD series variable displacement axial piston pumps (PD45, PD60, PD75, PD100, PD140) are medium-pressure pumps designed for open hydraulic circuits.
They are extensively equipped on hydraulic stations, metalworking machine tools, press equipment, hydraulic test benches, drilling rigs, road machinery, sanitation vehicles, forestry machines and waste recycling equipment.
Optional control types include constant pressure control, load sensing control and electro-proportional control.
-
Haozheng Hydraulic Production Processing Diagram
Haozheng Hydraulic Honorary Certificate
Exhibition
FAQ
Q1: For heavy forestry or material handling, we operate our machinery in sub-zero and extremely hot temperatures. Will the HZ-PD075 swashplate and bearings hold up without micro-cracking?
A: Absolutely. Severe climate fluctuations are a common cause of casing flexing and bearing seizure in low-cost pumps. Our HZ-PD075 pump housing is cast from high-density, stress-relieved ductile iron, paired with specialized polymer/copper-coated saddle bearings. This advanced material setup heavily dampens shock vibrations and resists thermal expansion misalignment, ensuring the swashplate maintains flawless angular travel from $-20^\circ\text{C}$ to over $90^\circ\text{C}$.
Q2: Does your HZ-PD075 pump handle the rapid load-sensing response times of Parker’s PS02 valve block without delay?
A: Yes, 100%. If a load-sensing pump has a sluggish response, it causes a severe lag in hydraulic cylinder movement and wastes immense diesel fuel. Our HZ-PD075 control blocks utilize micro-honed spool kits designed to react within milliseconds of pressure feedback. Every pump is dynamic-tested to ensure the load-sensing margin is perfectly calibrated to matching Parker factory curves before packing.
