Robot Animation
Vessels in Heating Mantles

Vessels in Heating Mantles

Vessels in heating mantles are specialised glass reaction and distillation assemblies designed to provide controlled, uniform bottom heating for chemical, pharmaceutical, and laboratory applications. Goel Scientific Glass Works Ltd. manufactures high-purity borosilicate 3.3 glass vessels paired with custom-fit electric heating mantles and rigid support frameworks. This integrated design ensures stable load distribution, vertical vessel alignment, and safe, high-temperature operation.
Heating mantles surround the lower hemisphere of spherical or cylindrical glass vessels with electric heating elements embedded in flexible fibreglass or metal housings. This conforming fit transfers thermal energy evenly across the wetted glass surface, eliminating localised hot spots and reducing thermal shock risks during prolonged heating.
Request a Quote

Key Features

  • Uniform Thermal Distribution: Flexible heating elements conform tightly to the glass vessel contour, preventing localised hot spots.
  • Precision Load Support: Cradle-style frameworks distribute vessel weight evenly, protecting the glass from point-stress fractures.
  • High-Purity Borosilicate 3.3 Glass: Completely inert contact surfaces prevent product contamination and resist aggressive acids and solvents.
  • Unobstructed Overhead Access: Frame geometry leaves the vessel neck clear for agitator drives, reflux condensers, addition funnels, and probes.
  • Modular Assembly: Designed for easy insertion and removal of the glass vessel for cleaning and maintenance between batch runs.

Specifications

Parameter Standard Range
Vessel Capacity 20 Litres to 200 Litres (Custom lab/pilot units available)
Glass Construction Certified Borosilicate Glass 3.3
Support Frame Material Galvanised Iron / Stainless Steel (SS 304 / SS 316)
Mantle Profile Compatibility Spherical (Round-Bottom) & Cylindrical Vessels
Operating Temperature Up to 300°C (Mantle element rating)
Alignment Tolerance Within 2 mm per metre vertical alignment

Applications

  • Benchtop Synthesis & R&D: Controlled heating of reaction flasks in chemical research laboratories.
  • Pilot-Scale Distillation: Bottom heating for solvent recovery, fractionating, and reflux assemblies.
  • Extraction Operations: Uniform heating for organic extraction units handling volatile solvents.
  • Pharmaceutical API Development: High-purity thermal processing where metallic contamination must be strictly avoided.

Why Choose Us?

Goel Scientific Glass Works Ltd., established in 1977 and part of Borosil Scientific, provides engineered scientific glass fabrication and industrial glass equipment for specialised process applications. The company serves over 2,800 customers globally and manufactures glass vessels, heating systems, and structural support assemblies in accordance with specified catalogue dimensions. Rigorous pressure testing, dimensional checks, and material documentation are carried out for each unit to facilitate dependable installation within GMP-compliant facilities.

FAQs

Vessels in heating mantles are used across chemical, pharmaceutical, and research facilities for reactions and distillations requiring safe, uniform, and high-temperature bottom heating.

Proper support holds the vessel perfectly upright, distributes the fluid weight evenly across the mantle cradle, and prevents mechanical stress on the glass neck connections during thermal expansion.

Heating mantles feature electric heating elements woven into flexible, heat-resistant insulation that conforms to the outer curve of the glass vessel, transferring heat evenly across the wetted area.

Yes, Goel Scientific Glass Works Ltd. manufactures custom support frames and glass vessels in heating mantles tailored to specific vessel capacities, bench dimensions, and plant layouts.