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Stopcocks, Glass Key, Straight Through Manufacturer,Supplier and Exporter in India

Stopcocks, Glass Key, Straight Through

Product Code : JA-SCSAS-1657

Stopcocks, Glass Key, Straight Through (product code JA-SCSAS-1657) are all-glass valves for controlling flow in laboratory apparatus. A glass key stopcock has a ground glass key turning in a glass barrel, with a bore that passes straight through to open or close a single line. They are listed in five bore sizes, 2 mm to 10 mm, for laboratories and glassblowing workshops that build, modify or repair glass apparatus.

Specifications

These stopcocks have a glass key and a straight-through bore, listed in five bore sizes from 2 mm to 10 mm. A glass key is normally used with a thin film of stopcock grease so that it turns smoothly and seals.

ProductStopcocks, Glass Key, Straight Through
SKU / Product codeJA-SCSAS-1657
TypeStopcock, straight through
KeyGlass
Bore sizes2 mm, 4 mm, 6 mm, 8 mm, 10 mm
FunctionControls the flow of liquids or gases in glassware set-ups

Applications of the glass key stopcock

Glass key stopcocks are used where an all-glass flow path is wanted, for example on apparatus handling solvents that can attack some plastics.

  • Fitting on-off valves to glass apparatus during glassblowing
  • Controlling liquid flow from burettes, reservoirs and funnels
  • Opening and closing gas lines on glass manifolds
  • Replacing damaged stopcocks on existing apparatus

Scope of supply and ordering

The listing covers straight-through glass key stopcocks in the bore sizes and quantities you order.

Frequently asked questions

Which bore sizes are listed?
2, 4, 6, 8 and 10 mm.

Does a glass key need grease?
Glass keys are normally used with a thin film of stopcock grease. PTFE key stopcocks are listed for grease-free use.

Is a PTFE key version available?
Yes. Stopcocks, PTFE Key, Straight Through are listed in the same bore sizes.

Related products

Other stopcocks in the same category:

Browse the Screw Caps, Stoppers and Stopcocks category, part of the range from JaincoLab, a laboratory glassware manufacturer in India.

Request a quote

To order Stopcocks, Glass Key, Straight Through, send the bore sizes, quantities and delivery destination through the JaincoLab contact page or email [email protected]. Tender and project enquiries can be sent through the tenders page.

Last updated: September 2026

   

Office Address

Jain Scientific Suppliers
2475-84, Hargolal Road,
Ambala Cantt, Haryana, India

[email protected]

+91-85699-09696

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