Stop Cocks, Plastic

Quick answer: Plastic Stopcocks are 2-way or 3-way valves used to control and divert fluid flow through tubing, commonly used in school and college chemistry labs for titration setups and general fluid-handling assemblies. Stop Cocks, Plastic is priced at approximately ₹280 (indicative market benchmark, incl. GST, August 2026).

Plastic Stopcocks provide a simple, chemically-resistant way to open, close or redirect the flow of liquid through a tube or apparatus. Available in 2-way (simple shut-off) and 3-way (flow-diverting) configurations, they let students control fluid flow precisely — a common requirement in titration setups where controlled dropwise addition of titrant is needed, and in chromatography or other multi-branch tubing assemblies where flow needs to be directed to one path or another. Plastic construction offers good resistance to common laboratory chemicals while keeping the component lightweight and less prone to breakage than glass equivalents, making these stopcocks a practical, durable choice for regular classroom and lab use.

Technical Specifications

Applications

• Controlling dropwise titrant addition in titration setups
• Diverting fluid flow between multiple paths in chromatography or multi-branch tubing
• General shut-off control in fluid-handling laboratory assemblies
• Teaching flow-control apparatus setup as part of standard lab technique training

Care & Maintenance

• Clean thoroughly after use to prevent residue buildup that could affect valve action
• Check for leaks or stiff operation periodically and replace if the seal is compromised
• Store away from extreme heat, which can warp plastic components

Why Choose STEMAids

STEMAids supplies a wide range of Chemistry Lab Equipments including Conductivity Tester 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 the difference between a 2-way and 3-way stopcock?

A 2-way stopcock simply opens or closes a single flow path, while a 3-way stopcock can divert flow between two different paths — the right choice depends on the specific setup being used.

What experiments commonly use a stopcock like this?

Titration setups (for controlled titrant addition) and chromatography or multi-branch tubing assemblies (for directing flow) are common applications in school and college chemistry practicals.

Is plastic or glass better for a stopcock in a teaching lab?

Plastic stopcocks are generally more durable and less prone to breakage than glass equivalents for regular classroom handling, though glass may be preferred for certain chemical-compatibility needs — confirm the best choice for your specific application with STEMAids.

Does STEMAids supply this in bulk for institutional labs?

Yes — STEMAids supplies laboratory consumables including stopcocks for institutional and bulk orders; contact STEMAids to confirm current quantities and pricing.

Are exact stopcock dimensions and bore size available for tender specification?

Exact dimensions and bore size have not been independently verified for this listing. Institutions preparing tender documents should confirm precise specifications directly with STEMAids before finalising procurement paperwork.

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.