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HEAT TREATMENT & FURNACES

Air That Holds Its Static, Build After Build

Duty:

30,000 CMH · 260 mmWC · 50 HP · direct drive

A Maharashtra-based heat-treatment furnace and oven OEM builds complete furnace and oven lines. On every line it ships, the air-handling sits on the critical path — if the air package is late or off-spec, the line does not go out the door.

The Duty, and Why It Is Hard

The air runs hot. Hot furnace air is unforgiving on a fan: it thins the gas, loads the bearings, and punishes any weakness in balance or construction. This one has to move 30,000 CMH against 260 mmWC of static — and hold that static, not just hit it on the first run.

It also has to run quietly. These blowers sit near operators, so noise is a spec line, not an afterthought. And it has to do all of that build after build, because the OEM ships furnace lines on a schedule and each one needs the same air package to behave the same way.

Hot, quiet, repeatable — that is three hard things at once, on the critical path of someone else's product.

What We Supplied

Blowers and direct-drive blowers sized to the 30,000 CMH / 260 mmWC / 50 HP duty, matched with silencers to bring the near-operator noise down. Direct drive removes the belt set — one less wear item to service on a hot-running machine.

Every unit was performance-tested in-house on our 200 HP VFD test rig, to the IS 4894 / AMCA 210 method, before it left the works. The curve you are promised is the curve we measured — proof, not promises.

The Relationship

This is not a one-off. We have supplied this OEM's furnace builds for years — order after order, across build after build — because the air package keeps behaving the same way on the floor, on the line, in front of the operator. Made to their line, not pulled off a shelf.

Let's Talk About Your Duty

If you build furnaces, ovens, or any line where hot air on the critical path has to hold its static and stay quiet, send us the duty point — flow, static, temperature, drive arrangement, and the noise limit you are working to. We will tell you what it takes, and we will test it before it ships.

— Mihir Kulkarni, Director, Jitamitra Electro Engineering

Engineered for Every Application.

From our own floor

Fans we've built for hot-gas process.

Real dispatched fans from this duty class — nameplate-scrubbed. Representative of the work; not the customer's own unit.

Jitamitra centrifugal fan built for hot-gas process
Jitamitra centrifugal fan built for hot-gas process
Jitamitra centrifugal fan built for hot-gas process
Jitamitra centrifugal fan built for hot-gas process
Jitamitra centrifugal fan built for hot-gas process
Jitamitra centrifugal fan built for hot-gas process
Questions

Frequently asked

I build furnace and oven lines — what makes the hot-air blower the hard part?

Hot furnace air is unforgiving on a fan: it thins the gas, loads the bearings, and punishes any weakness in balance or construction. This duty has to move 30,000 CMH against 260 mmWC of static — and hold that static, not just hit it on the first run. Hot, quiet, repeatable is three hard things at once.

Our blowers sit near operators — how do you bring the noise down?

Blowers and direct-drive blowers sized to the 30,000 CMH / 260 mmWC / 50 HP duty, matched with silencers to bring the near-operator noise down. Direct drive removes the belt set — one less wear item to service on a hot-running machine. Noise is a spec line here, not an afterthought; send us the limit you are working to.

Is the performance you quote measured, or calculated off a catalogue curve?

Measured. Every unit was performance-tested in-house on our 200 HP VFD test rig, to the IS 4894 / AMCA 210 method, before it left the works. The curve you are promised is the curve we measured — proof, not promises. On an OEM line where the air package sits on the critical path, that is the point.

Why direct drive instead of a belt set on a hot-air blower?

Direct drive removes the belt set — one less wear item to service on a hot-running machine. Hot air already loads the bearings and punishes any weakness in balance or construction, so taking a consumable out of the drive train is worth doing. The blowers here are sized to 30,000 CMH / 260 mmWC / 50 HP.

Are the fans photographed on this page the actual units from this job?

No. They are real dispatched fans from this duty class, nameplate-scrubbed — representative of the work, not the customer's own unit. The customer itself is identified only as a Maharashtra-based heat-treatment furnace and oven OEM, whose furnace builds we have supplied for years, order after order.

What do you need from me to size a blower for my furnace line?

Flow, static, temperature, drive arrangement, and the noise limit you are working to. Send the duty point and we will tell you what it takes — and we will test it before it ships. That holds for furnaces, ovens, or any line where hot air on the critical path has to keep its static and stay quiet.

Ready to quote?

Send us the duty point. We'll quote in 3 to 5 working days.*

Flow, static, gas temperature, application — or attach a spec, GA drawing or a multi-fan schedule. Engineer to engineer.

Get a quote → Email the desk

ISO 9001:2015 quality system · performance-tested to IS 4894 / ISO 5801 / AMCA 210 method · witnessed FAT on request.

*For our standard range. ATEX and special projects need 5 to 7 working days.