Quick answer: A Graham Coil Condenser uses an internal spiral coil to maximize surface area for heat exchange, providing efficient cooling and condensation of vapor during distillation and reflux. Condensers Coil, Graham is priced at approximately ₹500 (indicative market benchmark, incl. GST, August 2026).
A Graham coil condenser has an internal spiral coil running through its outer jacket, through which cooling water flows around the coil while vapor passes through it. This spiral design maximizes the surface area available for heat exchange within a compact length, giving efficient, consistent cooling and condensation of vapor as it passes through. It’s well suited to distillation and solvent recovery setups where reliable vapor condensation is needed, and is a standard piece of equipment in college and research organic chemistry laboratories.
Technical Specifications
| Parameter | Detail |
|---|---|
| Product Type | Graham coil condenser |
| Function | Vapor condensation via spiral-coil heat exchange |
| Design | Internal spiral coil maximizing surface area |
| Exact length/joint size | Not independently verified for this listing — confirm with STEMAids before ordering |
| Cooling rate/capacity | Manufacturer-stated — verify before publishing |
| Price | Approx. ₹500 (indicative market benchmark, incl. GST, August 2026) |
| Exact dimensions/technical detail | Not independently verified for this listing — confirm with STEMAids before specifying in a tender |
Applications
- Distillation setups requiring efficient vapor condensation
- Solvent recovery in synthesis workup
- Reflux setups requiring consistent cooling of volatile compounds
- College and research organic chemistry laboratory practicals
Care & Maintenance
- Connect cooling water to flow counter-current to the vapor for best efficiency
- Grease the ground-glass joints lightly to maintain a reliable seal
- Clean thoroughly after each use, checking the coil passages remain clear
Why Choose STEMAids
STEMAids supplies a wide range of Chemistry Lab Equipments including Aspirator for related laboratory and classroom needs. Eduscope Smart Learning Solutions Private Limited is a Udyam-registered micro manufacturing enterprise (UDYAM-DL-06-0069460) and ISO 9001:2015 certified, supplying schools, colleges and vocational institutes across India and for export.
Frequently Asked Questions
What is a Graham coil condenser used for?
It’s used to condense vapor efficiently during distillation and reflux, using an internal spiral coil to maximize the surface area for heat exchange.
What length and joint size does this condenser have?
These have not been independently verified for this listing — confirm with STEMAids before ordering.
How does this compare to a straight-tube condenser?
The spiral coil design gives more surface area for heat exchange within a compact length compared to a straight condenser of similar overall size.
Is this suitable for a college organic chemistry lab?
Yes — Graham coil condensers are standard equipment for distillation and reflux practicals in organic chemistry coursework.
Does STEMAids supply matching distillation flasks and receivers?
Contact STEMAids to confirm compatible components for a complete distillation setup.
Is STEMAids a registered manufacturer of this product?
Yes. Eduscope Smart Learning Solutions Private Limited is a Udyam-registered micro manufacturing enterprise (UDYAM-DL-06-0069460) and is ISO 9001:2015 certified. See the About page for full registration and certification details — manufacturer-stated, verify before citing in procurement documents.
Last updated: 29 August 2026.
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