Industrial Rotary Screw Air Compressor Manufacturer & Supplier
Panrui designs and manufactures industrial rotary screw air compressors from 5.5kW to 315kW. Every unit is factory-tested, ISO/CE certified, and shipped worldwide with direct factory pricing. From variable-speed energy-saving models to oil-free and high-pressure systems, Panrui supplies complete compressed air solutions for continuous production.
Explore Our Rotary Screw Air Compressor Types
Permanent Magnet VSD Screw Air Compressors
Save up to 35% energy with a variable speed rotary screw air compressor that matches air output to real-time demand.
Two-Stage High-Efficiency Screw Compressors
Two-stage compression reduces internal leakage and improves specific power for heavy-duty continuous operation.
Oil-Free Rotary Screw Air Compressors
Class 0 oil-free air for food, pharmaceutical, electronics and precision industries.
Integrated Screw Compressor with Air Dryer & Tank
16bar-30bar high-pressure screw air compressor systems configured for laser cutting and other high-pressure applications.
Technical Specifications & Parameter Comparison
| Model Type | Power (kW/HP) | FAD (m³/min) | Working Pressure (Bar) | Noise Level (dB) |
|---|---|---|---|---|
| Standard Rotary Screw | 5.5–315 / 7.5–430 | 0.8–55 | 7–13 | 62–78 |
| Permanent Magnet VSD | 7.5–250 / 10–340 | 1.1–45 | 7–13 | 60–75 |
| Two-Stage High-Efficiency | 55–315 / 75–430 | 10–60 | 7–13 | 68–82 |
| Oil-Free Rotary Screw | 15–250 / 20–340 | 2.0–42 | 7–13 | 66–80 |
Why Choose Panrui Screw Air Compressors?
Premium Air End & High-Efficiency Motor
Panrui uses high-precision airends and IE3/IE4 motors to maintain high specific power and stable long-term output.
Smart PLC Control System & Remote Monitoring
Intelligent controllers support real-time monitoring, scheduled maintenance alerts, and optional remote connectivity.
Strict Quality Control & Factory Direct Pricing
Each rotary screw air compressor is tested before dispatch. Buying directly from the factory reduces procurement cost and delivery time.
Industrial Applications & Global Case Studies
Panrui screw air compressor solutions are used in laser cutting, food and medicine, building materials and cement, and chemical and injection molding production lines worldwide.
Technical Guides & Industry Articles
In-depth factory-level guides to help you choose, run, and maintain industrial screw air compressors. Click any title to read the full article.
Latest Screw Air Compressor Guides
- 15 kW vs 22 kW Screw Compressor: Matching kW to Real Air Demand
- Air End Failure Warning Signs in a Rotary Screw Compressor
- Air Line Contamination Recovery: Flushing Oil-Polluted Pipe Networks
- Air Receiver Tank Sizing for Screw Compressors: The 10-20% Formula
- Air-End Overhaul vs. Replacement: When Is It Time to Rebuild Your Screw Rotors?
- Air-Oil Separator Differential Pressure: How to Detect Clogging Before Failure
- B2B Warranty Claim Processing: How Fast Can You Get Free Replacement Parts?
- Bearing Vibration Analysis: Detecting Early Rotor Instability Before Breakdown
- Building a Recurring Revenue Stream with Preventive Maintenance Contracts
- Cement & Powder Handling: Preventing Air Line Clogging with Dry Screw Power
- Chemical Plant Air Systems: Explosion-Proof (ATEX) Screw Compressor Specs
- CIF vs. FOB Shipping Terms for Heavy Compressor Freight: B2B Cost Breakdown
- Co-Branding and Marketing Collateral Support from Chinese OEM Manufacturers
- Compressed Air Filter Micron Rating Guide for Precision Manufacturing
- Compressed Air for EV Battery Manufacturing: Ultra-Low Dew Point Requirements
- Compressed Air Leak Repair ROI: How Much Can Plugging Leaks Save?
- Consignment Stock and Spare Parts Warehousing Models for Regional Dealers
- Containerization Tactics: Fitting Air Tanks, Dryers & Compressors in 20ft/40ft HQ
- Desiccant Dryer vs Refrigerated Dryer for Paint Shop Screw Compressors
- Emergency Standby Air Systems: N+1 Redundancy Configurations for Critical Plants
- Establishing 24/7 Rapid Response Services for Local Compressor Fleet Accounts
- EV Charging Station Manufacturing: Compressed Air for Automated Assembly Lines
- Evaluating B2B Supplier Financial Stability & Production Scale Before Bulk Orders
- Fire Prevention in Screw Compressors: Oil Flash Points and Thermal Shutdowns
- Fixed Speed vs VSD Screw Compressor: Which One Saves More at Partial Load?
- Food Packaging Screw Air Compressor: Oil-Free vs Oil-Injected Air
- Glass Bottle Blow Molding: High-Load 10-15 Bar Continuous Air Delivery
- Handling Unexpected Voltage Drops in Rural Factory Industrial Grids
- High Altitude Operation: Atmospheric Density Adjustments for Screw CFM
- High Temperature Trip on a Screw Compressor: Causes and Fixes
- High-Efficiency Radiators and Thermal Design in Compact Screw Compressors
- How Much Electricity Can a Two-Stage Screw Compressor Save? A 37 kW Factory Case
- How to Calculate Air Compressor Electricity Cost Before Buying
- How to Conduct Factory Acceptance Testing (FAT) Remotely via Live Stream
- How to Design a Compressed Air Piping System with Low Pressure Drop
- How to Import a Screw Air Compressor from China Without Hidden Costs
- How to Market Chinese Screw Compressors Under Your Own Local Brand (White Label)
- How to Rebuild vs Replace a Worn Screw Compressor Air End
- How to Reduce Compressed Air Energy Cost per Cubic Meter in a Textile Factory
- How to Request and Evaluate Custom OEM Prototyping for Screw Compressors
- How to Right-Size a Screw Compressor for a Growing Factory
- How to Select a Screw Compressor for High-Dust Cement Plants
- How to Set Up Compressor Sequencing for Two or More Screw Units
- How to Showcase Local Demo Machines to Drive Regional Screw Compressor Sales
- How to Verify a Chinese Screw Compressor Supplier Before Payment
- How to Write a Screw Compressor ROI Proposal for Management
- Intake Valve Control Mechanisms: Modulating Control vs. Load/Unload
- ISO 8573-1 Class 0 Explained for Pharma and Electronics Buyers
- Letters of Credit (L/C) and Payment Terms for Bulk Compressor Purchases
- Low-Pressure Screw Blowers for Wastewater Treatment Aeration: Saving Up to 30% Energy
- Managing Used Machine Trade-Ins When Selling New PM VSD Screw Units
- Marine & Offshore Screw Compressors: Salt-Spray Resistance and Class Certification
- Mining Tunnel Ventilation & Rock Drilling: Portable & Stationary Heavy Duty Units
- Navigating Tariff Classifications: HS Code 841480 Optimization for Import Duties
- Noise Insulation Booths: Retrofitting Acoustic Enclosures on Site
- OEM Screw Compressor Air End Brands: What Buyers Should Know
- Permanent Magnet VSD Screw Compressor for Fluctuating Production Lines
- Pharmaceutical Fermentation: Oil-Free Screw Units vs. Oil-Injected Risk
- Phase Reverse and Phase Loss Protection: Preventing Motor Burnout
- PLC Controller Upgrades: Transitioning Legacy Screw Units to Touchscreen Systems
- Preventing Winter Freeze-Ups in Air Lines: Cold Weather Screw Compressor Setup
- Preventive Maintenance Contract for Screw Compressors: Is It Worth It?
- Refrigerated Air Dryer Sizing for a Screw Compressor System
- Remote Monitoring for Screw Compressor Fleets: What Data to Watch
- Rotary Screw vs Piston Compressor for Laser Cutting: Which Is Better?
- Screw Compressor Commissioning Checklist Before First Production Run
- Screw Compressor Energy Audit: 8 Checks That Reveal Hidden kW Waste
- Screw Compressor Factory Audit Checklist for Overseas Buyers
- Screw Compressor Lifespan: How Many Hours Should a Good Unit Last?
- Screw Compressor Noise Reduction: dB Limits and Acoustic Enclosure Costs
- Screw Compressor Oil Change Interval and Why It Shortens Over Time
- Screw Compressor Spare Parts Kit: What to Stock for 1 Year
- Selling Energy Audits as a Service to Pitch PM VSD Screw Upgrades
- Semiconductor & Electronics Fab: Ultra-Clean Air Sourcing Without Micro-Dust
- Shaft Seal Leakage in Direct-Drive Screw Compressors: Prevention and Repair
- Soft Starters vs. VFD Drives: Choosing the Right Motor Starting Method
- Spare Parts Kits (1-Year, 2-Year, 5-Year) Packaging Strategies for Buyers
- Technical Training for Local Service Technicians: Scaling Your Maintenance Team
- Thermostatic Expansion Valve Failures: Preventing Cold Sludge and Thermal Shock
- Total Cost of Ownership (TCO) Comparison: Chinese Brand vs. European Brand
- Two-Stage Screw Compressor Payback: How Long Until the Savings Pay for the Unit?
- Understanding Minimum Pressure Valves (MPV): Why Your Compressor Fails to Build Pressure
- VSD Screw Compressor Control Band: Why ±0.1 Bar Matters
- Waste Heat Recovery from Screw Compressors: Turning Hot Air into Free Energy
- Water Ingress into Lubricating Oil: Causes, Dangers, and Dew-Point Adjustments
- What to Do After an Emergency Stop (E-Stop) Trip: Safe Restart Protocols
- Winning B2B Tenders: Structuring Compressor Proposals for Government/Corporate Bids
- Reference Case Library: Win Big Screw Compressor Tenders
- WhatsApp & Video: Close International Compressor Orders
- Predictive Maintenance Data: The Repeat-Order Engine
- Installation & Commissioning: Price It as a Profitable Service
- Distributor Territory Plan: Avoid Channel Conflict Before the First Quote
- Demo & Trial Program: Show the Energy Bill Falling, Not Just a Running Machine
- Duty Cycle Segmentation: Recommend the Right Compressor
- Compressor Breakdown: Turn It Into a Long-Term Service Contract
- LinkedIn & B2B Marketing: Why Generic Compressor Posts Get Zero Replies
- Retrofit vs New Machine: Price the 53.24 kW Upgrade Correctly
- New Distributor Onboarding: Product Training and Marketing Kits
- Financing Options: Structure Industrial Compressor Buyer Deals
- Warranty Claims: Handle Them Without Losing Distributor Reputation
- Maintenance Contracts: Turn Repeat Parts Sales Into Recurring Revenue
- Before-and-After Energy Data: Close Big Compressor Deals
- Local Service Territory: Protect Distributor Margins and Trust
- Oil-Free vs Oil-Injected: Position the Purity Claim to Win
- Dealer Margins on PM VSD Screw Compressors: Price the Savings Spread
- Compressed Air Audit Lead Magnet for Distributors
- Sales Training: Sell Energy Savings, Not Just kW and Pressure
- Rental Fleet: Build a Low-Risk Screw Compressor Business
- Standard vs Custom Screw Compressor: 1 Extra Bar Costs ~8% More Energy
- Damaged Compressor Shipment: File the Insurance Claim Correctly
- Noise Data: One Bad Reading Can Shut Down an Urban Factory
- Spare Parts Budget: The First Five Years Without Overstocking
- Efficiency Test Reports: Compare Specific Power, Not Just Motor kW
- Trial Order: Test a New Screw Compressor Supplier Without Risk
- Incoterm for First-Time Buyers: EXW Can Make You Pay Twice
- Customs Inspection: Plan to Avoid a 30-Day Port Hold
- Pre-Loading Inspection: Inspect a Screw Compressor Before Container Loading
- Trade Assurance & Escrow: Protect a Compressor Order Before You Wire Deposit
- Power Supply & Frequency: Specify the Right Input for an Imported Compressor
- 10-Year Total Cost: Chinese vs Western Compressors Compared
- Supplier After-Sales Lead Time: Evaluate Spare Parts Speed
- Import Documents for a Screw Compressor Shipment: The Checklist
- Air Compressor Nameplate: Flow, Pressure, Voltage and Duty Explained
- Air-Cooled vs Water-Cooled Import: Choose the Right Screw Compressor
- Bulk Screw Compressor Pricing: Negotiate Without Losing Quality
- Budget Screw Compressor Installation, Freight and Commissioning
- Compressor Shipping Route: Plan to Avoid Port Demurrage Charges
- Verify CE, ISO 9001 and Test Reports Before Ordering
- Compare Compressor Warranty Terms Across Chinese Suppliers
- Read a Screw Compressor Quotation: Line Items and Hidden Extras
- High Dust Air Filters: Extend Life Beyond a Few Hundred Hours
- Corrosive & Saline Environments: Maintain Screw Compressors to Last
- Parallel Screw Compressors: Balance Air Flow to Stop Short Cycling
- Air Dryer Performance: Test It When Product Quality Drops
- Water Hammer in Air Lines: Prevent Condensate Damage
- Screw Compressor Alarm Codes: Interpret and Reset Them Safely
- Compressor Dew Point Monitoring: Stop Pipe Corrosion and Product Defects
- Storing Spare Air Ends: Prevent Corrosion Before It Ruins Parts
- Screw Compressor Oil: Choose the Right One for Extended Service Life
- Air Leak Testing: Ultrasonic Detectors and Soap Water
- Compressor Keeps Losing Pressure? The Step-by-Step Diagnostic Guide
- Shutdown Maintenance: Plan Screw Compressor Service Around Production
- Motor Overload Trips on Hot Restart: Prevent the Double Cost
- Dusty Plant Control Panels: Keep VFDs Clean and Cool
- Condensate Management: Drain Compressed Air Without Wasting Air
- Air End Bearing Wear: Detect It With Vibration and Temperature Trends
- Low Oil Pressure Alarm: Troubleshoot the Warning Before It Kills the Air End
- Hot Climate Screw Compressor: Which Oil Viscosity Prevents Trips?
- Inlet and Discharge Valves: How to Check and Set Them Correctly
- Safety Valve Testing: How Often to Test Relief Devices
- V-Belt Slippage & Misalignment: The Waste Before the Belt Snaps
- Clogged Air Oil Separator: The Back-Pressure That Adds 7% Energy per 0.1 MPa
- Hour Meter vs Service Counter: Read Both or Risk an Overheated Air End
- High Discharge Temperature Trips in Summer: Why Your Screw Compressor Stops
- Agricultural Processing: Conveying and Packing Air Without Overpressure
- Tobacco Processing Air: Cleanliness and Humidity Control
- Chemical Powder & Granule Processing: Compressed Air Applications
- Shipyard Sandblasting & Air Tools: Screw Compressors That Hold Volume
- Ceramic & Tile Production: Dust and Continuous Duty Compressed Air
- Beverage Bottling Air: Flow and Purity — Size From Measured Flow, Not Nameplate
- Dairy Processing Air: Hygiene, Dryness and Reliability
- Aerospace Clean Dry Air: Assembly and Testing Requirements
- Wire & Cable Extrusion: The Wrong Screw Compressor Sizing Stops Your Line
- Leather & Footwear Lines: How Compressed Air Keeps Production Running
- Water Treatment Air: Blowers vs Compressors — Which One Fits?
- Laboratory Oil-Free Air: Instruments and Analysis Without Contamination
- Rubber & Tire Manufacturing: Screw Compressor Selection Guide
- Grain & Powder Pneumatic Conveying: Compressed Air That Moves Product
- Metal Fabrication: Sizing Screw Compressors for Plasma and CNC Cutting
- Food & Beverage Nitrogen and Air Systems: Screw Compressor Applications
- Glass Tempering & Bottle Production: High-Flow Compressed Air Needs
- Printing Press Air: Sheet Separation and Drying Without Pressure Drops
- Plastic Injection Molding: How to Size the Screw Compressor Correctly
- Furniture Spray Booth Air: Pressure and Cleanliness Requirements
- Textile Mills: How to Hold Constant Pressure During Shift Changes
- Electronics Assembly Air: Oil-Free vs Dry Contact Screw Compressor Selection
- Pharma Cleanroom Compressed Air: 24/7 Dry, Oil-Free System Design
- Auto Paint Line Air: Oil-Free and Dry to Stop Fisheye Craters
- Data Logging: Find the Demand Spikes Behind a 7% Pressure Penalty
- VSD Sizing for Screw Compressors: One Size Too Small Trips on Ramp-Up
- Power Factor Correction: The Hidden Line on a Screw Compressor Electricity Bill
- VSD Retrofit Payback: Start With the Wasted Kilowatts, Not the Drive Price
- Master Controller: Stop Unloaded Hours That Draw 23–50% Power for No Air
- Multi-Compressor Setpoints: Every Extra Bar Is a Hidden kW Tax
- Ambient Humidity: The Hidden Cost in Screw Compressor Cooling and Power
- Measure Compressed Air Leaks Without Expensive Flow Meters
- Cheap Screw Compressor? Specific Energy vs Machine Price Shows the Real Cost
- Variable Demand: How Fixed-Speed Screw Compressors Pay for Air Nobody Uses
- Set System Pressure to the Lowest Safe Level: Every 1 Bar Adds ~7% Electricity
- Cost per Compressed Cubic Meter: The KPI That Exposes Hidden kW Waste
- Energy Baseline Before & After: A 250 kW Unit at 4.9 Bar Pays for Pressure It Never Uses
- CNC Demand Swings: Why Fixed-Speed Compressor Energy Cost Spirals
- Case Study: Three Piston Units Replaced by One PM VSD Screw Compressor
- Compressor Heat Recovery: Your 75 kW Unit Is Already a Factory Heater
- Unloading vs Stop-Start: Which One Stops the 40% Idle Power Drain?
- Inlet Air Temperature: Every 10°C Cut Reduces Screw Compressor Power
- PM Motor vs Induction Motor: Cut 20–50% Electricity on Fluctuating Demand
- GB19153-2019 Grade 1: Benchmark 7.9 vs 6.0 kW/m³/min to Find Hidden Energy Leaks
- Pressure Settings: How 1 Extra Bar Quietly Adds 8% to Your Compressed Air Bill
- Night & Weekend Shutdowns: Cut the 10–30% Idle Electricity Drain
- Specific Power vs Motor kW: Why Two 37 kW Compressors Burn Different Electricity
- 75 kW Screw Compressor: The Real 300,000–600,000 kWh Annual Energy Use
- Compressor Room Layout: The Clearance and Ventilation Mistakes That Kill Airend Life
- Screw Compressor Aftercooler Sizing: Why Undersizing Shows Up as Repair Bills
- Air-Jet Weaving Compressed Air: One Bar of Pressure Drop Destroys Fabric Quality
- Oil-Free vs Oil-Flooded Screw Compressor: The 5-Point Comparison Before You Buy the Wrong Machine
- Screw Compressor Specific Power: 7.47 kW/m³/min Is Costing You 134,700 kWh a Year
- Screw Compressor Dew Point: Why -40°C vs -20°C Changes Your Air System Design
- How to Calculate Total Cost of Ownership for a Screw Compressor
- Winterizing a Screw Compressor Room: Freeze Protection Guide
- FOB vs CIF vs DDP for Screw Compressor Imports: Total Landed Cost Explained
- Screw Compressor Duty and Customs: A Buyer’s Guide to HS Code 841480
Frequently Asked Questions (FAQ)
What is the lifespan of a rotary screw air compressor?
With correct maintenance, a Panrui rotary screw air compressor typically operates for 10–15 years. The airend is designed for long service life, and maintenance intervals are supported by the PLC controller.
How to select the right kW capacity for my factory?
Calculate total air demand in m³/min, required working pressure, duty cycle, and future expansion. Panrui engineers can size a fixed-speed, VSD, or two-stage rotary screw air compressor based on your production profile.
Need a factory quote? Contact Panrui with your required pressure, air flow, and power supply.
