Industry knowledge

Application of OPPAIR High-Pressure Blow Molding Air Compressors in Blow Molding/PET/Bottle Blowing
OPPAIR High-Pressure blow molding air compressors play a crucial role in the blow molding industry. Firstly, they provide a stable and high-pressure air Read more...
Applications of OPPAIR Diesel Mobile Screw Air Compressors
The OPPAIR diesel-powered mobile screw air compressor utilizes mature screw compression technology, ensuring stable operation and continuous, uninterrupted air Read more...
Reasons for Screw Air Compressor Pressure Drop
Pressure drop after air compressor shutdown is a common phenomenon, but the rate of pressure drop and the final value have normal and abnormal ranges. If the Read more...
OPPAIR Nitrogen Generator Applications for High-Power Laser Cutting: 150 m³/h for 30 kW and 180 m³/h for 60–80 kW Machines
OPPAIR, a professional supplier of industrial gas solutions, is highlighting two practical configurations: a 150 m³/h 99% nitrogen generator used with a 30 kW laser cutting machine for cutting 25–30 mm carbon steel, and a 180 m³/h 99% nitrogen generator designed to support a 60 kW or 80 kW laser cutting machine for applications involving carbon steel up to approximately 50 mm, subject to cutting parameters and process conditions. Matching Nitrogen Supply With Laser Cutting Requirements In nitrogen-assisted laser cutting, the cutting gas plays an important role in the cutting... Read more...
OPPAIR Two Stage Screw Air Compressor: A Smarter Solution for High-Pressure Industrial Applications
As industrial manufacturers look for more efficient and reliable compressed air systems, the OPPAIR two stage screw air compressor is gaining attention as a Read more...
What Is a Screw Air Compressor? A Practical Buyer’s Guide
What a screw air compressor is, how it works, the main types, key specs, and what to check before you buy one for your factory. Read more...
How to Choose a Screw Air Compressor for a Factory
A practical selection method for factory compressed air: demand, pressure, capacity, air quality, drive type, dryers and supplier checks. Read more...
Screw Air Compressor Factory Checklist: What to Verify Before Ordering
What to verify with a screw air compressor factory before ordering: certificates, product range, exports, customization, QC and documentation. Read more...
How Two-Stage Screw Air Compressors Work (and When You Need One)
Two-stage screw air compressor engineering explained: inter-stage cooling, pressure classes from 3–5 bar to 20–30 bar, and real applications. Read more...
Oil-Cooled vs Oil-Free Screw Air Compressors: Matching the Technology to the Application
Oil-cooled vs oil-free screw air compressors explained: how oil works in compression, air purity classes, costs, and which applications need which. Read more...
Screw Air Compressor + Air Dryer: Designing a Reliable Compressed Air System
How to design a compressed air system: compressor sizing, receiver tanks, air dryer selection, filters, piping and dew point logic. Read more...
Screw Air Compressors for Laser Cutting and Manufacturing
What laser cutting demands from compressed air — clean, dry, stable supply — and how screw compressors and integrated packages deliver it. Read more...