Replace SQP Double Vane Pump | SQP42-50-21, SQP43-60-30 | Low Noise
| Model Number | SQP, SQP42-50-21-11AA-18-505, SQP43-6030-86AA-18-S116 |
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Product Description
Replace SQP Series High-Performance Low Noise Double Vane Pumps
Product Overview: The SQP Series double fixed displacement vane pumps are globally recognized as the “Power Core” and “Silent Experts” for industrial hydraulic systems. Featuring an advanced cartridge-based design, the SQP series is specifically engineered to meet the stringent demands of heavy-duty industrial environments. This featured range includes high-spec double pump configurations such as SQP42-50-21-11AA-18-505 and the specially modified SQP43-60-30-86AA-18-S116. Utilizing a precision pressure-balanced construction, the SQP series delivers exceptionally smooth, independent dual-circuit flow even under working pressures up to 17.2 MPa, making it the premier choice for large-scale injection molding and die-casting machinery.
Key Technical Advantages:
Ultimate Silent Operation: Utilizing specialized silencing grooves and optimized vane geometry, operational decibel levels are significantly lower than competing products, improving the working environment and extending bearing life.
Integrated Dual-Circuit Power: Integrates two independent cartridges within a single housing. Models like SQP42 or SQP43 allow one drive shaft to power separate circuits—drastically simplifying system plumbing and saving space.
Modular Cartridge Kit Maintenance: The internal components feature a “drop-in” modular design. During maintenance, performance can be restored in minutes by swapping the cartridge without disconnecting complex plumbing, minimizing downtime.
High Volumetric Efficiency & Durability: Built-in automatic wear compensation ensures that volumetric efficiency remains stable and output performance stays like new even after thousands of high-frequency pressure cycles.
Target Applications: Large plastic injection molding machines, metal balers, hydraulic shears, precision CNC machine tools, and energy-saving industrial power units.
Detailed Models & Parameters:
Core Series: SQP42, SQP43 Series Double Vane Pump.
Model Keywords: SQP42-50-21-11AA-18-505, SQP43-60-30-86AA-18-S116.
Flow Codes (GPM @ 1200rpm): Complete spectrum featuring combinations like 60-30 and 50-21.
Technical Specs: 11 / 86 (Shaft identifiers); AA (Port orientation layout: Standard 180°); 18 (Design sequence code); 505 / S116 (Specific performance modification & seal identifiers).
Pressure Ratings: Rated continuous working pressures up to 17.2 MPa (172 Bar).


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