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Frequently Asked Questions About Klarol Oil Filtration

Two product pillars. Sixteen industries. One promise: cleaner oil, better outcomes.

Frequently Asked Questions

Everything you need to know about the Klarol platform.

What does Klarol do?

Klarol designs and manufactures oil cleaning and filtration systems in India – for industrial lubricating oils in factories, power plants and heavy industry, and for frying oil in commercial kitchens. Since 1991, Klarol systems have helped oil last longer, machines run better, and operating costs come down.

How is Klarol different from imported oil filtration systems?

Klarol delivers world-class filtration performance at Indian pricing – without expensive imports, hidden costs or long lead times. Systems are purpose-built for Indian conditions: 45°C+ heat, dusty plant floors and continuous 24-hour shifts. Spare parts are made in India, always in stock, and dispatched fast.

Does oil filtration really extend oil life?

Yes. Most oil is discarded due to contamination, not because the base oil is exhausted – with regular Klarol filtration, oil life typically extends 2–5×. Some permanently installed Klarol systems have helped customers keep hydraulic oils in service for over 10 years, subject to regular oil analysis and additive health.

Does Klarol provide service across India?

Yes. Klarol offers pan-India sales and service with fast, responsive support – a phone call away in every city and state. Spare parts are locally manufactured and stocked, so replacements reach you quickly and your production keeps running.

Can I filter discarded oil using Klarol machines?

No once oil has fully degraded and been discarded, it cannot be recovered. Klarol works on oil while it’s in use: regular filtration removes contaminants before they degrade the oil. Industrial lubricating oils can often remain in service for years with continuous contamination control, while frying oils typically see 20–50% longer usable life, depending on operating conditions. The key is filtering early and consistently, so oil reaches the discard stage far less often.

Can I try a Klarol system before buying?

Yes. Under the Klarol zero-risk trial programme, you can run the system in your own plant or kitchen, with your own oil, under your own conditions. Keep it if it delivers; return it if it doesn’t no questions asked.

What contaminants do Klarol systems remove from lubricating oil?

Klarol systems remove particulate contamination (wear debris, dust, system-generated particles), free and dissolved water, sludge, varnish, acidic degradation products and oxidation products. The same platform handles cleaning and dehydration where other suppliers require two separate machines.

What NAS cleanliness level can Klarol filtration achieve?

Klarol systems routinely improve oil from NAS 12 to NAS 5 or better – equivalent to ISO 4406 cleanliness codes improving from 25/23/20 to 14/12/10 – the cleanliness level demanded by servo valves, precision hydraulics and turbine systems. Cleaner oil directly translates to fewer breakdowns, longer component life and less downtime.

How does Klarol remove moisture from oil?

Klarol’s LVDH (Low Vacuum Dehydration) systems remove free and dissolved water to below 100 PPM, along with dissolved gases. Moisture enters through breathers, seals and condensation removing it prevents rust, additive depletion and accelerated oxidation.

Can Klarol purify EHC fluids and phosphate ester control fluids (FRF)?

Yes. Klarol’s control fluid reconditioning and TAN reduction systems purify EHC (Electro-Hydraulic Control) fluids and phosphate ester fire-resistant fluids, restoring them to OEM specifications. At Kudankulam Nuclear Power Plant, independent analysis showed TAN reduced from 0.85 to 0.07 mg KOH/g and mechanical impurities from 135 to 65 ppm on 3,000 litres of Fyrquel.

Can oil filtration reduce hydraulic breakdowns?

Yes, dramatically. A Punjab aluminium extrusion plant reported hydraulic-related breakdowns fell 80–90% within the first month of installing Klarol and scaled to five machines running 24 hours a day. Mining customers have doubled engine oil life across 30-excavator fleets, saving approximately ₹55 lakh annually.

Is it better to filter oil or replace it?

Filtering. Most industrial oil is replaced because of contamination, not because the base oil has degraded. Klarol filtration restores oil to service condition at a fraction of replacement cost, extends oil life 2–5×, cuts disposal volumes and reduces pollution with fast ROI.

How do I know if my plant needs oil filtration?

Start with a free Klarol oil analysis. Rising NAS levels, moisture readings, frequent valve or pump failures, sludge in tanks, or shortened oil change intervals are all indicators. Klarol can arrange an on-site assessment within 7 working days and recommend the right system for your scale.

What is commercial frying oil filtration and how does it work?

Klarol uses two-stage filtration: mechanical filtration removes visible impurities – burnt food particles, salt, chillies, masala – while the adsorption stage removes oxidation products and polar degradation compounds that contribute to rising TPM and FFA levels, slowing oil degradation – the invisible damage conventional filtration misses. A cycle takes just 7–20 minutes depending on the model, and on continuous fryer lines the system runs in parallel as a kidney loop – zero. downtime.

Does filtered oil improve fried food quality?

Yes. Clean oil supports consistent colour, taste, texture and crunch, can reduce oil absorption for lighter products, and helps extend shelf life for packaged sweets and namkeen. That’s why Haldiram’s, Bikanervala and Zomato Hyperpure run Klarol systems in their kitchens.

Can Klarol filter desi ghee?

Yes. For traditional halwai and mithai operations, Klarol keeps both frying oil and desi ghee clean throughout the day – producing brighter, tastier sweets with less oil absorption and lower daily oil consumption.

I already filter my oil with a cloth or sieve – why do I need Klarol?

Cloth, sieves and built-in fryer filters only catch big, visible bits. The real damage comes from microscopic carbon and burnt residue that act as catalysts – accelerating oxidation, raising FFA, darkening oil and causing early smoke. Klarol removes particles down to 5 microns (1/20th the width of a human hair) with high filtration efficiency, and its adsorption stage removes the soluble degradants no mesh or paper can capture.

Does oil filtration help with sustainability and ESG goals?

Yes. Every Klarol system cuts oil waste by 20–50%, keeping used cooking oil out of India’s waste stream. With edible oil carrying a footprint of roughly 3 kg CO₂e per litre, extending oil life directly reduces your kitchen’s carbon footprint – measurable support for ESG reporting.

What is the minimum and maximum quantity of oil a Klarol machine can filter?

Klarol systems start at 15 litres per batch and go up to 100 litres on standard models – with 15, 20, 50 and 100-litre variants to match your fryer volume. Beyond 100 litres, custom-built and bag filtration systems handle industrial namkeen units and continuous FMCG fryer lines – there’s no upper limit.

How often should I filter my frying Oil?

Best practice is to filter after every frying batch, or a minimum of 2–3 times a day. Each cycle takes just 7–20 minutes, so filtration fits naturally between batches. Consistent filtration is what keeps good oil good – slowing FFA and TPM rise so oil stays in its peak window far longer.

Do I need a specialist to operate a Klarol machine?

No. Klarol machines are portable, on wheels and plug-and-play – any kitchen staff member can run one after a short training from our team. Your staff is operating it from day one; no technician, no specialist hire.

What about maintenance, warranty and service support?

Klarol machines are low-maintenance: SS filters are reusable long-term, and paper filters last 3–5 uses depending on contamination load. Every machine comes with a full warranty, and an AMC is available for ongoing support. Being made in India means spare parts are always in stock with no import delays, backed by pan-India service – one call and we’re there.

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