Water-Cooled Low Noise Oil-Free Scroll Air Compressor
The unit integrates dual or multi-scroll air ends driven by high-efficiency motors, suppressing mechanical vibration through counter-balanced crankshafts while rejecting heat via an integrated plate heat exchanger and water jacket for continuous industrial duty.
Product Overview
The unit integrates dual or multi-scroll air ends driven by high-efficiency motors, suppressing mechanical vibration through counter-balanced crankshafts while rejecting heat via an integrated plate heat exchanger and water jacket for continuous industrial duty.
Key Specifications
|
Parameter |
Specification Details |
|
Discharge Pressure |
0.8 MPa to 1.0 MPa (8 bar to 10 bar) |
|
Volume Flow Rate (FAD) |
0.12 m³/min to 1.50 m³/min |
|
Motor Power Range |
1.5 kW to 15 kW (multi-module parallel) |
|
Air Purity Class |
ISO 8573-1 Class 0 (zero oil content) |
|
Sound Pressure Level |
52 dB(A) to 58 dB(A) at 1 meter |
|
Cooling Water Requirement |
Inlet ≤ 32°C, flow 15 L/min to 60 L/min |
Thermal Management System
Closed-Loop Jacket Design: Coolant channels wrap directly around compression chambers to remove frictional heat before thermal expansion alters internal clearances.
Plate Heat Exchanger: Stainless steel brazed exchangers isolate internal loops from facility water, preventing mineral scale accumulation inside the core.
Temperature Regulation: Integrated sensors automatically modulate solenoid valves, maintaining operating stability within a 45°C to 55°C window.
Performance & Air Delivery
Multi-stage scroll phasing synchronizes compression strokes, flattening the discharge pulsation curve without large receiver tanks.
Volumetric efficiency exceeds 88% due to precision tip-seal clearances, reducing specific power consumption per cubic meter.
Enclosed steel cabinets lined with 30mm acoustic foam isolate airborne frequencies, while rubber-in-shear isolators eliminate floor resonance.
Purity & Contamination Control
Zero Lubrication Chambers: Compression takes place without oil, grease, or sealing liquids, ensuring zero hydrocarbon introduction into the airstream.
Filtration Elimination: Removes the necessity for activated carbon towers and recurring filter replacements, cutting ongoing maintenance overhead.
Contaminant Protection: Complies with strict purity validations required for medical, laboratory, and electronics applications where oil vapor causes spoilage.
Typical Applications
Medical Operatories:
Supplies sterile, dry air for chairside dental units and hospital ventilators, meeting strict biological safety thresholds.
Pharmaceutical Packaging:
Powers pneumatic actuation valves and blister-packaging lines where process air contacts active ingredients.
Precision Electronics:
Drives pick-and-place micro-components and wire-bonding tools without risk of optical lens or circuit board contamination.
Laboratory Instruments:
Delivers ultra-clean carrier gas and instrument purge air for mass spectrometers and analytical testing benches.
Selection Guide
Duty Cycle Matching: Select unit capacities with a 20% margin above peak consumption to prevent continuous 100% load operation.
Cooling Infrastructure: Verify facility cooling water temperature and pressure differential match the heat rejection requirements.
Pressure Configuration: Choose 0.8 MPa standard units for general instrumentation or 1.0 MPa variants for high-resistance valve manifolds.
Installation Guidelines
Footprint & Clearance: Compact vertical footprint allows placement directly inside production floors, requiring 500mm perimeter clearance.
Utility Connections: Standard NPT/BSP threaded ports and electrical terminal blocks simplify hookup to plant lines and 3-phase power.
Floor Requirements: Static load distribution eliminates dynamic balancing requirements, allowing direct installation without anchoring pads.
Quality Control Standards
Dimensional Inspection:
CMM verify scroll involute profile tolerances within ±0.005mm to ensure gas-tight sealing during operation.
Pressure Testing:
Compressor housings and water jackets undergo pneumatic and hydrostatic testing at 1.5 times working pressure.
Performance Run:
Every completed unit undergoes a 4-hour hot-run test logging vibration, current draw, flow rate, and discharge temperature.
Packaging & Logistics
Export-Grade Crate: Sealed inside vacuum barrier foil with desiccant packs, secured within fumigation-free plywood crates with internal braces.
Accessory Kit: Ships complete with matched vibration damper pads, flexible stainless steel water hoses, and technical documentation manuals.
Frequently Asked Questions
Q: What is the tip-seal replacement interval?
A: Tip-seals require inspection at 8,000 operating hours and replacement between 10,000 and 12,000 hours.
Q: Can this operate using open-loop well water?
A: Facility water must be filtered below 50 microns with neutral pH; closed-loop systems are strongly recommended.
Q: How does water cooling affect moisture content?
A: Water cooling lowers internal compression temperatures, resulting in lower initial dew points entering downstream dryers.
Q: Is inverter control available?
A: Yes, VSD models dynamically modulate motor frequency from 30 Hz to 60 Hz to match fluctuating plant air demand.
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