Glass Stopcocks for Glass Blowing

Discover our extensive range of glass stopcocks specifically designed for
scientific glassblowing, laboratory glassware fabrication, and precision
fluid control applications. Crafted from high-quality borosilicate glass,
these stopcocks deliver exceptional chemical resistance,
thermal stability, and leak-proof performance for every glassblowing project.

Why Choose Our Glass Stopcocks?

✅ Premium Borosilicate Glass — High thermal shock resistance, perfect for demanding glassblowing environments
✅ Precision Ground Plug — Ensures airtight, vacuum-tight seal with smooth rotation
✅ Grease-Compatible & PTFE Options — Suitable for a wide range of chemicals and solvents
✅ Multiple Bore Sizes — Available in 1mm, 2mm, 4mm, and larger for varied flow requirements
✅ Standard Joint Compatibility — Seamlessly fits into existing lab and glassblowing assemblies

Applications

🔥 Scientific & Artistic Glass Blowing Setups
🔬 Research & Analytical Laboratory Glassware
🧪 Vacuum & Pressure Line Assemblies
⚗️ Distillation, Reflux & Condensation Apparatus
🏭 Custom Industrial Glass Fabrication

Types Available

2-Way Glass Stopcocks — Simple on/off flow control for single-line glassblowing setups
3-Way Glass Stopcocks — Multi-directional flow switching for complex glass apparatus
High-Vacuum Glass Stopcocks — Ground glass plug design for leak-proof vacuum line assemblies
Straight & Angled Bore Stopcocks — Flexible configurations to suit custom glassblowing needs

Each stopcock is carefully inspected for dimensional accuracy and
plug-to-barrel fit to ensure consistent, reliable performance.
Trusted by professional glass blowers, university labs, R&D facilities,
and industrial glassware manufacturers across India and globally.

📦 Bulk orders & custom sizes available. Contact our team for OEM requirements,
special bore configurations, or expert guidance in choosing the right glass stopcock for your application.