What this duty is
A heater is a heat exchanger sized so the cold stream leaves at a specified temperature. The hot side is typically steam, thermal oil, or a hotter process fluid. Selection is driven by duty, allowable pressure drop, fouling, and whether the hot side condenses.
Where it is used
- Reactor feed and jacket-water heaters
- Storage-tank and pipeline tracing circuits (when a process exchanger is specified)
- Column feed preheat
- Utility water and CIP solution heating where a shell-and-tube unit is the specified construction
Typical services
Steam heating of process liquidsHot-oil heatingProcess-to-process heating (interchangers)Water and glycol heating
Engineering selection
- Condensing steam on the shell side is common because it gives a high coefficient and even temperature — unless the purchaser specification puts steam in the tubes.
- Control of outlet temperature is a process/instrument issue. The exchanger is sized for the design case; turndown and bypass must be stated if they affect area.
- Thermal expansion between a hot shell and cooler tubes favours U-tube construction or a fixed tubesheet with a shell expansion joint when ΔT is large.
- Do not assume a single steam pressure or heat-transfer area. Those follow the enquiry.
Configurations Ohm manufactures for this duty
Shell & TubePrimary configuration for industrial liquid heaters.U-TubeLarge tube-to-shell temperature difference or removable bundle.Double-PipeModest area or high-pressure inner pipe.
Industries that specify this duty
Sectors — not named customers.
What to send with the RFQ
- Cold-side fluid, flow, inlet and required outlet temperature
- Heating medium (steam pressure / hot oil temperatures / process hot stream)
- Operating and design pressures, allowable ΔP
- Materials and named design code if any
Related engineering guides
FAQ
- What heat exchanger types does Ohm use for process heating?
- Configuration follows the duty. Typical starting points are Shell & Tube, U-Tube, Double-Pipe. Send process data — we do not pick a catalogue SKU first.
- What information do you need to quote this duty?
- Cold-side fluid, flow, inlet and required outlet temperature; Heating medium (steam pressure / hot oil temperatures / process hot stream); Operating and design pressures, allowable ΔP; Materials and named design code if any.
Technical RFQ — Process Heating
Upload a datasheet or drawing if you have one. This is an engineering enquiry, not a retail price request.
WHAT HAPPENS NEXT
- We receive your enquiry and reply by email.
- If a quote needs process data, we ask for the missing fields.
- A technical and commercial response follows when the case supports it.