Author Archives: Khashayar Hajiahmad

How VIM & VPR Certifications Transformed My Approach to Turbine Oil Reliability When I look back at my journey in lubrication—from field troubleshooting to global consultancy—there is a very clear inflection point: obtaining my VIM (Varnish Identification and Measurement) and VPR (Varnish Prevention and Removal) certifications from ICML. These were not just certifications.They fundamentally changed how I see, measure, and solve turbine oil problems.ContinueContinue reading “How VIM & VPR Certifications Transformed My Approach to Turbine Oil Reliability”

ASTM D1500 – Color of Petroleum Products A Deep Technical Perspective for Turbine Oil Engineers I was in the field and noted two cases. Darker used turbine oil sample noted but had lower varnish potential after testing done ( every one felt there is more varnish in that ) Lighter color used Turbine oil hadContinueContinue reading “ASTM D1500 – Color of Turbine Oils”

Today On the Road , I asked Khash 😉 below There are many studies showing how mechanical filtration and better ISO codes increase the life of equipment like hydraulic systems , bearings or water removal how increases the life of these components, I have not seen how varnish removal increases the life of journal bearingsContinueContinue reading “MPC vs Bearing Life: The Relationship No One Talks About”

https://videopress.com/v/pYmAIGZN?resizeToParent=true&cover=true&loop=true&posterUrl=https%3A%2F%2Fturbineoilreliability.com%2Fwp-content%2Fuploads%2F2026%2F04%2FWhatsApp-Image-2026-04-21-at-06.01.39.jpeg&preloadContent=metadata&useAverageColor=true 🎥 From the Field – Not the Brochure ⚠️ Four Questions You MUST Ask Before Selecting a Varnish Removal System I’ve seen too many turbine oil systems where money was spent…equipment was installed…but varnish problems were still there. Why? Because the right questions were never asked. Let’s simplify this 👇 🔹 1. Does the system work when varnish isContinueContinue reading “Turbine Oil Filtration Unit Inspections – Field Tip From Khash”

Why Is the Knowledge Level on Demulsibility Still So Limited? Demulsibility is one of the most important properties in steam-turbine lubrication, yet it is still one of the least understood. ASTM D4378 treats water separation by ASTM D1401 as a suggested monitoring item for steam and combined-cycle systems, and it explains why: water enters throughContinueContinue reading “Why Is the Knowledge Level on Demulsibility Still So Limited?”

The uncomfortable truth first: If you are expecting a single number like 15… or 20… as “safe”, you are asking the wrong question. And the industry—very diplomatically—has been avoiding giving you the real answer. 1) The Diplomatic Reality Behind ASTM and Limits Standards like ASTM International (including ASTM D4378 and ASTM D7843) are written through committees. Those committeesContinueContinue reading “Finally… What MPC Value Is Safe?”

🛢️ Varnish in Turbomachinery Where It Starts… and Where It Explodes Varnish formation is not random. It follows thermodynamics, fluid dynamics, and surface chemistry.If you understand where it starts and where it accelerates, you control the entire failure chain. 1️⃣ Where Does Varnish FIRST Form in Turbomachinery? ❗Short Answer: The first varnish formation occurs in the highest temperature +ContinueContinue reading “Where does varnish start? & Where does it grow fastest?”

Turbomachinery Oil Sampling: Good vs. Bad Practices (Why “Where and How You Sample” Can Make or Break Your Entire Oil Analysis Program) Your image captures a fundamental truth that many plants still overlook: Oil analysis is only as good as the sample. And in turbomachinery—where varnish, oxidation by-products, water, and micro-contaminants behave differently across the system—sampling isContinueContinue reading “Turbomachinery Oil Sampling: Good vs. Bad Practices”

⚠️ Are There Fake Turbine Oils in the Market? Reality, Detection, and Consequences in Critical Turbomachinery 1. The Reality: Yes — Counterfeit Lubricants Exist (and Are Increasing) From multiple industry and enforcement reports, the answer is not theoretical — it is factual. The lubricant industry is considered high-risk for counterfeiting because products are difficult to verify once packaged ContinueContinue reading “⚠️ Are There Fake Turbine Oils in the Market?”

🔥 When Is Turbine Oil Flushing Really Needed ? And When It Can Be Avoided by Proper Varnish Removal & Filtration 1. What Flushing Actually Does (Fundamental Purpose) Turbine oil flushing is not an oil treatment process — it is a system cleaning process. Its objective is to remove: Deposits (varnish, sludge, oxidation residues) Solid contaminants (metal, rust,ContinueContinue reading “🔥 When Is Turbine Oil Flushing Really Needed ?”