Jitamitra Electro Engineering Private Limited

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Jitamitra Electro Engineering Private Limited Ahilyanagar & Pune · jitamitrablowers.com

Custom-engineered centrifugal fans & blowers, sized to your exact duty and proven on our in-house test rig. 15,000+ fans since 2011 · up to 2,25,000 CMH / 2,000 mmWC / 425 HP / 500°C · ISO 9001-certified. Custom-engineered centrifugal fans & blowers, sized to your exact duty and proven on our in-house test rig. 15,000+ fans since 2011 · up to 2,00,000 CMH / 2,000 mmWC / 400 HP / 600°C · ISO 9001-certified.

Lose the supply fan in an engine room and the running machinery starts to starve. What takes that fan out at sea is noth...
30/09/2026

Lose the supply fan in an engine room and the running machinery starts to starve. What takes that fan out at sea is nothing a landside fan ever meets.

Salt-laden humid air gets under the coating and works on every weld, fastener and cut edge. The fan lives with vibration and the vessel's roll, so mountings, shaft and bearings carry loads no landside fan ever does. And in a cargo hold or pump room the atmosphere being cleared can be flammable — which changes the wheel, the clearances and the materials, not just the motor.

Three jobs, one unforgiving environment: supply air into the machinery space for combustion and cooling, exhaust for heat and oil mist, purge for a closed hold before crew go in.

We will not claim a long marine reference list we do not have. What we will do is engineer to your duty and state every choice — corrosion protection, spark-resistant construction, class-society intent — on the GA drawing you sign before we cut metal. Up to 2,25,000 CMH, 2,000 mmWC and 425 HP.

What the salt, the roll and the flammable hold each change: https://jitamitrablowers.com/applications/engine-room-cargo-hold-vent/?utm_source=fb&utm_medium=social&utm_campaign=q4-2026-library

Two plants order the same fan for what the datasheet calls the same dust. One runs 5 years. The other is scrap before th...
29/09/2026

Two plants order the same fan for what the datasheet calls the same dust. One runs 5 years. The other is scrap before the next shutdown.

The difference is never the CMH. It is what the dust does once it is on the wheel. Abrasive grit thins the blade from the leading edge back. Sticky organic dust builds on one side and walks off with the balance. Fine combustible dust needs a build that gives it no ignition source at all.

So the first question is not the flow. It is whether the fan sits clean-side of the filter or dirty-side, what the dust actually is, and how it behaves when the air cools against the casing wall.

Every one of those answers goes on the GA drawing you sign before we cut metal — wheel type, material, clearances, wear protection. Not a generic wheel with a bigger motor behind it. Envelope up to 2,25,000 CMH, 2,000 mmWC and 425 HP.

Which of the three dust behaviours is yours? All three are on the page: https://jitamitrablowers.com/applications/dust-extraction/?utm_source=fb&utm_medium=social&utm_campaign=q4-2026-library

Walk the fabrication bay on any given morning and you will not find two fans that are the same machine.Different scroll ...
28/09/2026

Walk the fabrication bay on any given morning and you will not find two fans that are the same machine.

Different scroll radii, different wheel types, different metallurgy, different shaft sizes — standing side by side under one crane at different stages of build. That is not disorder on the floor. It is what made-to-order actually looks like.

One edible-oil solvent-extraction plant explains it better than we can. The hexane vapour exhaust runs in a classified area, so the fan has to be built so that it cannot become the ignition source. The desolventiser-toaster and meal-dryer vents carry moist, sticky, oil-laden air that lays fatty deposits on the wheel until it fouls and unbalances. The conveying and dedusting lines move fine oil-meal dust that is abrasive and combustible at once.

Three duties on one flowsheet, and nothing about them is interchangeable — the wheel that is right for the dust line is wrong for the vapour line. Which is exactly why the bay looks the way it does.

https://jitamitrablowers.com/industries/edible-oil-solvent-extraction/?utm_source=fb&utm_medium=social&utm_campaign=q4-2026-library

"The motor keeps tripping" sends most maintenance teams straight into stripping a machine that has nothing wrong with it...
25/09/2026

"The motor keeps tripping" sends most maintenance teams straight into stripping a machine that has nothing wrong with it.

A foundry reported exactly that on a centrifugal blower. No trip frequency. No measured current. No damper position, no photographs. And there was no noise, no vibration, no bearing heat, no aerodynamic symptom of any kind — the only fact on the table was electrical. The protection was doing its job.

So the honest question was not what has broken, but why is this motor being asked for more current than it is rated for. Two answers, neither of them the fan. The damper sat open past the design point, and a centrifugal fan absorbs more power the more air it passes. And it was started direct-on-line, which holds the motor in inrush against all that impeller inertia far longer than a light load would.

Damper adjusted on site, a star-delta start advised, no spare parts required. The record carries no post-fix current reading and no customer confirmation of trip-free running, so we claim none.

https://jitamitrablowers.com/case-studies/foundry-blower-start-method/?utm_source=fb&utm_medium=social&utm_campaign=q4-2026-library

On a blast-room extraction fan, the impeller is a consumable.Grit arrives at the wheel at tip speed and thins the leadin...
24/09/2026

On a blast-room extraction fan, the impeller is a consumable.

Grit arrives at the wheel at tip speed and thins the leading edges unevenly — so the fan walks out of balance long before anything is holed.

That is why blast duty gets a radial wheel, not an aerofoil. And why access for a wheel change belongs on the drawing.

Hall B, Stall C08 | 19-21 November 2026
Auto Cluster Exhibition Centre, Chinchwad, Pune
https://jitamitrablowers.com/industries/surface-coating-plating/?utm_source=fb&utm_medium=social&utm_campaign=cii-surface-coating-2026

An energy audit that ends in "buy a new fan" was usually a quotation wearing a lab coat.We measure the true operating po...
24/09/2026

An energy audit that ends in "buy a new fan" was usually a quotation wearing a lab coat.

We measure the true operating point against the design duty on any make of centrifugal fan, ours or not — actual flow, static and power, corrected for density to real site conditions rather than to a catalogue's assumptions. Then the wasted kilowatts get priced in money, with a payback case attached.

More often than not the machine is innocent. One weak-suction call on a ~7,500 CMH · 280 mmWC duty came back as the ductwork — a hidden system-effect loss, not a fan that had stopped performing. A duct correction or a VFD saves more than a replacement would have.

Because the same engineers who size and build fans are the ones reading your data, the recommendation comes out of selection maths instead of a pitch to replace hardware. Alongside the audits: basic impeller FEA in-house before a re-rate, with the fuller CFD and modal menu a capability we build or partner on, scoped per study; selection and compliance reviews against your real duty; and operator training that stops the greasing and start-up habits that kill fans early.

https://jitamitrablowers.com/services/engineering-efficiency/?utm_source=fb&utm_medium=social&utm_campaign=q4-2026-library

On a spray dryer, the powder building up on the exhaust wheel is the product you were going to sell.A dryer runs on two ...
23/09/2026

On a spray dryer, the powder building up on the exhaust wheel is the product you were going to sell.

A dryer runs on two fans and they could not be less alike. The supply fan pushes clean heated air into the chamber at up to 350 °C — a thermal duty, not a dirty one, with the shaft sized for growth and the curve held stable across the whole drying profile rather than at one convenient point.

The exhaust fan is the other job entirely: fine, sticky, hygroscopic powder and evaporated moisture pulled out to the cyclone or baghouse. Build-up on that wheel is yield loss and a hygiene breach at the same moment, and an unbalanced rotor not long after.

So the exhaust side defaults to a radial-tipped self-cleaning wheel with crevice-free sloped blade faces that encourage shedding, cleanable coatings and inspection access. We size the geometry to your specific powder, not to a generic wheel. Spray, fluid-bed or flash — the two duties get engineered as two different machines.

https://jitamitrablowers.com/applications/drying/?utm_source=fb&utm_medium=social&utm_campaign=q4-2026-library

Look inside a fan built for a desalination plant and you will find a drain at every low point in the casing.Brine vapour...
22/09/2026

Look inside a fan built for a desalination plant and you will find a drain at every low point in the casing.

Brine vapour comes off the evaporator side warm — up to about 60 °C — but at or near 100% relative humidity. It condenses inside the fan, on the clean side as well as the dirty one, and what it leaves behind on every surface it touched is salt water. Ordinary steel pits in months.

So the engineering here is metallurgy and drainage, not heat. Wetted surfaces designed for continuous condensation. Drains at every low spot so no brine can pool. Blade geometry that does not let salt build on the wheel. Bearings kept out of the airstream entirely.

And it is not only the process side. The coastal air the plant draws in is salt-laden all day, so even the hall-ventilation and clean-side supply fans need corrosion margin rather than a last point of static efficiency. On a plant that never stops, the fan that lasts beats the fan that looks marginally better on paper.

https://jitamitrablowers.com/industries/desalination/?utm_source=fb&utm_medium=social&utm_campaign=q4-2026-library

On a brand-new turnkey line, the bought-in component is guilty until proven otherwise.An OEM that builds paint and surfa...
21/09/2026

On a brand-new turnkey line, the bought-in component is guilty until proven otherwise.

An OEM that builds paint and surface-coating systems had just put up a line for its end customer. A motor failed. One fan started shaking soon after start-up. The air-handling fans were ours, so the question came fast, and it was fair: is it the fan?

Three faults were reported across the line and only site work could separate them. Our engineer took them one at a time, measuring and looking before concluding. The shaking traced to the mounting, not the impeller. The failed motor was replaced at no cost to the customer under warranty and routed back to the motor supplier — the fan itself checked out and ran. The third item was not the fan either, and we make no claim to have closed it.

A ~27,000 CMH class line, settled in one visit, because we solved it first and settled the cause second. Saying that calmly comes from evidence: our fans are performance-tested in-house on a 200 HP VFD test rig, and the report ships with the machine.

https://jitamitrablowers.com/case-studies/field-service-single-visit-repair/?utm_source=fb&utm_medium=social&utm_campaign=q4-2026-library

A smoke extract fan does almost nothing for years. Then it starts into hot gas and is judged on the next two hours.Which...
18/09/2026

A smoke extract fan does almost nothing for years. Then it starts into hot gas and is judged on the next two hours.

Which is why the duty is not a flow figure. It is a temperature held for a rated time: the fan must deliver full rated flow at its class temperature for the whole hold period. A common design point is 300 °C for 2 h, with classes to 400 °C and, at the ceiling, 500 °C.

The failure that matters is not efficiency. It is the drive or the bearing giving out before the hold time is up. So the shaft is sized for thermal growth, running clearances are set for the hot condition rather than the cold one, and bearings, drive and seals are specified and tested to the same class as the impeller.

The other half of the problem is the standstill before it. Bearing pre-load, motor insulation and impeller balance have to survive years of doing nothing, then start on demand — cold or hot, with no notice at all.

https://jitamitrablowers.com/applications/smoke-fire-emergency/?utm_source=fb&utm_medium=social&utm_campaign=q4-2026-library

Address

Plot No. N-7
Ahmednagar
414111

Opening Hours

Monday 9am - 6pm
Tuesday 9am - 6pm
Wednesday 9am - 6pm
Thursday 9am - 6pm
Friday 9am - 6pm
Saturday 9am - 6pm
Sunday 9am - 6pm

Telephone

9011840123

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