Stopcock

Laboratory Stopcock - Precision Flow Control Solutions

Professional laboratory stopcocks are essential precision instruments designed for accurate flow control in analytical and research applications. These high-quality glass stopcocks provide reliable, leak-proof operation for managing liquid and gas flow in complex laboratory setups, ensuring optimal performance in critical experimental procedures.

Key Features

• Precision-ground glass construction for superior sealing and durability
• Smooth, accurate flow control with minimal dead volume
• Chemical-resistant borosilicate glass compatible with most laboratory reagents
• Standard taper joints for seamless integration with existing glassware
• Available in straight-bore and oblique-bore configurations
• PTFE plug options for enhanced chemical compatibility

Applications

Laboratory stopcocks are indispensable in analytical chemistry, titration procedures, distillation systems, and vacuum applications. They excel in organic synthesis, pharmaceutical research, quality control laboratories, and educational institutions where precise flow control is paramount for accurate results.

Technical Specifications

Available in multiple sizes from 2mm to 8mm bore diameter, featuring standard taper joints (10/19, 14/23, 19/26, 24/29). Manufactured from premium borosilicate 3.3 glass with excellent thermal shock resistance. Operating temperature range: -196°C to +500°C. All stopcocks meet international laboratory standards for precision and reliability.