Compression Ignitor (Pneumatic)
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Product Code : LSK-CL-10052
Compression Ignitor (Pneumatic) (SKU LSK-CL-10052), also known as a fire syringe or fire piston, demonstrates the generation of heat by a gas under compression. A plunger rapidly compresses the gas inside a heavy-walled tube, and cotton at the bottom of the tube ignites in a flash. Physics and chemistry teachers use it for lessons on gases, energy and compression ignition. Science Lab Supplies quotes and dispatches this demonstrator from Ambala, India for schools, colleges, training institutes, tender contractors and distributors.
Specifications
Each part of the fire syringe is given its own row in the table. The outline: a piston runs inside a heavy-walled combustion tube, and that tube is housed within a transparent plastic outer cylinder, giving an unobstructed view of the flash when the plunger compresses the gas and ignites the cotton.
| Specification | Value |
|---|---|
| SKU | LSK-CL-10052 |
| Also known as | Fire syringe |
| Alternative name | Fire piston |
| Moving part | Piston (plunger) |
| Working tube | Heavy-walled combustion tube |
| Outer housing | Transparent plastic cylinder |
| Visibility | Unobstructed view of the action inside the tube |
| Ignition material | Cotton placed at the bottom of the tube (provided by user) |
| Demonstrates | Generation of heat by gas under rapid compression |
| Supplied by | Science Lab Supplies, Ambala, India |
Applications and Experiments for the Compression Ignitor
The fire syringe demonstrates adiabatic compression: the work done by the plunger raises the temperature of the trapped air so fast that it passes the ignition point of cotton before heat can escape. It links the gas laws and the first law of thermodynamics to real compression-ignition engines.
- Class 11 physics: thermodynamics and adiabatic processes.
- Class 11 chemistry: behaviour of gases and energy changes.
- Diploma and ITI mechanical trades: the principle behind the Two-Stroke Compression Ignition Engine Model.
- B.Sc. heat and thermodynamics: work turning into internal energy, set beside the Joule's Mechanical Heat Experiment Apparatus.
The demonstration produces a real flame inside the tube. Use only a tiny piece of cotton, keep the device pointed away from people, check the tube for cracks before use, and operate it only under teacher supervision.
Standard Scope of Supply
The Compression Ignitor (Pneumatic) is supplied as a single unit made up of the piston, the heavy-walled combustion tube and the transparent outer cylinder. Cotton wool for the demonstration is not included and is provided by the user; gas-law apparatus can be added to the same quotation.
Packing, MOQ and Lead Time
Quotations can cover one demonstration unit or a quantity for several labs. Each quotation gives packing, delivery time and price for that order, and gas-law apparatus or other school chemistry lab equipment in India can be added to the same document.
Having an Importer-Exporter Code means Science Lab Supplies can ship to buyers in Egypt, Iraq, Nigeria, Kenya, Ghana and Ethiopia. Science Lab Supplies is registered for GST (GSTIN 06ADEPJ0574F2ZU). Teachers assembling a thermodynamics demonstration set can send their list through the contact page or save it in the enquiry cart; institutions bound by tender rules should read the lab tender page first.
Frequently Asked Questions
How does the fire syringe light cotton without a flame?
Pushing the plunger in quickly compresses the gas so fast that its temperature rises above the ignition point of cotton, which flashes alight at the bottom of the heavy-walled tube.
Why is there a transparent outer cylinder?
It houses the heavy-walled combustion tube and gives the class a clear, unobstructed view of the flash inside while the piston is pressed, so everyone can see the moment of ignition.
Who supplies the Compression Ignitor (Pneumatic)?
It is supplied by Science Lab Supplies of Ambala, India, which can list it on a single quotation with Boyle's law, Charles's law and kinetic theory apparatus for a gas-laws teaching set.
Is this apparatus suitable for student use?
It is intended mainly as a teacher demonstration or used by older students under close supervision, because it produces a flame inside the tube and relies on a sharp push of the plunger.
Related Gas Laws, Pressure and Heat Apparatus
The compression ignitor fits into a sequence of gas and heat lessons. These items cover pressure–volume and temperature relationships, vacuum and air pressure, the molecular picture behind them and heat radiation, and they can be quoted together.
- Apparatus Boyles Law Pressure Type — 80 cm tall unit supplied with a hand pump.
- Apparatus Charle's Law — beaker reservoir with a 10 mm glass U-tube; needs 20 ml of mercury.
- Manometer Cylinder with Piston Temperature Meter — screw-type plunger with a manometer scale in Pa.
- Kinetic Theory Model — motor-vibrated piston with speed control moving spheres at random.
- Magdeburg Hemispheres — two metal hemispheres held together once air is pumped out.
- Hand Vacuum Pump with Pressure Gauge — 15 ml per stroke, displacing up to 725 ml of air.
- Heat Receiver / Leslie-Type Receiver — 80 mm cylinder with black and polished silver faces.
Browse the full Chemistry Lab range, the Heat range for thermodynamics apparatus, or all school lab equipment.
Last updated: 9 October 2026
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