Bunsen Burner with Stop Cock (Pack of 2)
Product Code : SCL-CLE-11942
Quick Answer: The Bunsen Burner with Stop Cock (Pack of 2) is a pair of Bunsen burners with chrome-plated brass tubes, heavy cast iron bases and a brass needle-valve stopcock at the base for fine control of gas flow and flame height.
Last updated: 18 October 2026
Key Features
- Built-in needle-valve stopcock allows micro-adjustment of the flame at the burner itself.
- Flame can be turned down to a small pilot flame between tasks without going out.
- Rotating collar regulates the air mixed with the gas.
- Weighted, anti-tip base.
- Ribbed, serrated inlet holds 8 mm tubing securely.
- Made in LPG and natural gas versions.
Technical Specifications
| Specification | Value |
|---|---|
| Burner tube | Chrome-plated brass |
| Base | Cast iron, weighted |
| Gas control | Brass needle valve (stopcock) |
| Air control | Rotatable aluminium collar |
| Gas type | LPG (propane/butane) or natural gas (methane) version |
| Inlet | Serrated, for 8 mm tubing |
| Flame temperature | Approx. 1100–1300 °C, depending on fuel |
| Pack | 2 burners |
How It Is Used
This school Bunsen burner is connected to the bench gas tap with 8 mm tubing; the stopcock then sets the gas flow at the burner while the collar adjusts the air for the flame needed. The fine control suits controlled distillations and glass bending, and gives a second control point when the main gas tap is some distance away.
Frequently Asked Questions
What does the stopcock on the Bunsen Burner with Stop Cock (Pack of 2) do?
It is a needle valve at the base that fine-tunes the gas flow, so flame height and intensity can be set at the burner or turned down to a pilot flame.
Which gas does the Bunsen Burner with Stop Cock (Pack of 2) use?
It is made in LPG (propane/butane) and natural gas (methane) versions, with an inlet for 8 mm tubing.
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For a quotation on the Bunsen Burner with Stop Cock (Pack of 2), contact JLab India on +91-8569909696.