Rotaflow Stopcocks & Needle Valve Stopcocks for Glass Blowing

Explore our premium range of Rotaflow stopcocks and needle valve stopcocks —
precision-engineered for scientific glassblowing, laboratory apparatus, and custom glass fabrication.
Whether you’re a professional glass blower or a lab equipment manufacturer, these stopcocks offer
fine flow control, airtight sealing, and long-lasting durability.

Why Choose Rotaflow & Needle Valve Stopcocks?

• ✅ Smooth Quarter-Turn Operation — Rotaflow design allows effortless, precise flow regulation
• ✅ PTFE / Glass Plug Options — Chemically resistant, no grease required
• ✅ Borosilicate Glass Construction — High thermal resistance, ideal for lab-grade glassblowing
• ✅ Multiple Bore Sizes — Available in 2mm, 4mm, and custom configurations
• ✅ Compatible with Standard Glass Joints — Easy integration into existing lab setups

Applications

• 🔬 Scientific & Research Laboratory Glassware
• 🧪 Vacuum Line Assemblies
• 🔥 Custom Scientific Glass Blowing Projects
• ⚗️ Distillation & Condensation Apparatus
• 🏭 Industrial Glass Fabrication

Types Available

• Rotaflow Stopcocks — Quick-turn, grease-free PTFE plug stopcocks for high-vacuum applications
• Needle Valve Stopcocks — Ultra-fine metering for precise gas/liquid flow control in glassblowing setups
• Two-Way & Three-Way Configurations — For complex manifold or multi-line setups

All products are manufactured to strict dimensional tolerances ensuring a perfect fit with
standard borosilicate glassware. Ideal for glass blowers, R&D labs, universities,
and industrial manufacturers across India and worldwide.

📦 Bulk orders welcome. Contact us for custom specifications, OEM requirements,
or technical assistance in selecting the right stopcock for your application.