by ep | Jul 28, 2026 | Water-injected oil-free screw air compressor
Why Independent Certification Matters More Than the Manufacturer’s Own Claim When a compressor manufacturer states that their machine is “ISO 8573-1 Class 0 certified,” the first question a serious buyer should ask is: certified by whom? The...
by ep | Jul 28, 2026 | Water-injected oil-free screw air compressor
The Short Answer — and Why It Is More Nuanced Than It Appears ISO 8573-1 Class 0 certification is mandatory when the consequences of oil contamination in the compressed air stream are unacceptable — either from a product quality, patient safety, food safety, or...
by ep | Jul 28, 2026 | Water-injected oil-free screw air compressor
Why Pharmaceutical Air Is Held to a Different Standard Compressed air in a pharmaceutical facility is not simply a utility — in many applications it is classified as a direct contact material, touching active pharmaceutical ingredients, finished dosage forms,...
by ep | Jul 28, 2026 | Water-injected oil-free screw air compressor
The “Oil-Free” Label: What It Means and What It Does Not Walk through any industrial compressor catalogue and you will find the term “oil-free” applied to machines with very different designs and very different actual air purity levels at the...
by ep | Jul 28, 2026 | Water-injected oil-free screw air compressor
What ISO 8573-1 Actually Measures and Why It Matters Compressed air leaving a compressor is never perfectly clean. It carries contaminants introduced from three sources: the inlet air drawn into the machine (atmospheric dust, water vapour, microorganisms), the...
by ep | Jul 28, 2026 | Water-injected oil-free screw air compressor
Why the Water Circuit Is Designed as a Closed Loop In a water-injected oil-free screw compressor, water serves as the compression medium — simultaneously cooling, sealing, and lubricating inside the compression element. Unlike an open system where water would be...
