






BURETTES - Class A - Screw Type PTFE Needle Valve Stopcock
REILGLAS Class ‘A’ Burettes are high-precision volumetric measuring instruments fitted with a Screw Type PTFE Needle Valve Stopcock for fine and controlled liquid dispensing. Manufactured and calibrated in accordance with ISO 385 / IS 1997:2008 Class ‘A’, these burettes ensure superior accuracy, smooth flow regulation, and clear graduation markings. Available in Clear Glass and Amber Glass variants, with capacities from 10 ml to 100 ml, and supplied with Calibration Certificate or NABL-traceable Calibration Certificate options for regulatory and quality-critical laboratory applications.
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Product Details
REILGLAS Class ‘A’ Burettes are precision-engineered volumetric instruments designed for accurate and reproducible titration in analytical, research, and quality control laboratories. Manufactured from high-quality, chemically resistant glass with uniform straight bore construction, these burettes ensure consistent internal diameter and reliable volume delivery.
Each burette is equipped with a Screw Type PTFE Needle Valve Stopcock, providing exceptionally smooth operation, corrosion resistance, and precise flow control—especially beneficial for dropwise titration and high-accuracy analytical procedures. The PTFE needle valve allows fine adjustment of liquid flow, minimizing overshoot and enhancing endpoint determination.
All models conform to Class ‘A’ accuracy requirements as per ISO 385 / IS 1997:2008, featuring clearly etched, high-contrast graduation markings with fine subdivisions to ensure excellent readability and reduced parallax error. Calibration is performed to strict tolerances, ensuring dependable volumetric performance.
To suit varied laboratory requirements, REILGLAS burettes are offered in:
Clear Glass – suitable for routine and general analytical applications
Amber Glass – ideal for handling light-sensitive reagents and solutions
Available capacities include 10 ml, 25 ml, 50 ml, and 100 ml, making them suitable for a wide range of titration volumes. Select models are supplied with a Standard Calibration Certificate, while NABL-certified variants are provided with a NABL-traceable Calibration Certificate, meeting compliance needs of accredited laboratories and regulated industries.
These burettes are widely used in:
Analytical and QC laboratories
Pharmaceutical and chemical industries
Academic and research institutions
Environmental and food testing laboratories
REILGLAS Class ‘A’ burettes with PTFE needle valve stopcock combine high accuracy, controlled dispensing, and certified calibration, making them a reliable choice for precision volumetric analysis.
























