New Stanland Glassblowing Lakes High Capacity 20-Plate Oldershaw Distillation Column

43-Inch Borosilicate Glass Fractional Distillation Apparatus | 20 Theoretical Stages | 2-Inch ID

• Manufacturer: Stanland Glassblowing / Lakes

• Condition: New 

• Internal Architecture: 20 Perforated Plates / Trays

• Scale: High-Capacity 2-Inch (50.8 mm) Internal Diameter

• Joint Configuration: Customizable / Open Specification (Top and Bottom)

• Thermal Protection: Silver Coated Vacuum Jacket with Corrugated Expansion Bellows

Technical Overview: The Pinnacle of Fractional Separation

When separating chemical mixtures with nearly identical boiling points, maximizing vapor-liquid contact is the only way to achieve absolute purity. The New Stanland Glassblowing Lakes 20-Plate Oldershaw Distillation Column is a towering, high efficiency fractional distillation apparatus designed for pilot scale and advanced laboratory applications.

Measuring an impressive 43 inches (1092.2 mm) in length, this brand-new borosilicate glass column features an internal architecture of 20 perforated plates and downcomers, spaced exactly 2 inches apart. Each plate acts as a distinct theoretical stage. As rising vapor bubbles through the descending liquid reflux across 20 successive levels, the column achieves an extreme degree of fractional separation. Shielded by a silvered vacuum jacket and fortified with expansion bellows, this pristine glassware is engineered for adult scientists and process engineers in the scientific community who demand industrial-grade precision.

Master Technical Specifications

Core Engineering & Design Advantages

Massive 20-Stage Fractionation Power

The extraordinary separating power of this column comes from its 43-inch length and 20 discrete perforated plates. Each tray holds a layer of descending liquid reflux; as hot vapor ascends, it is forced through the perforations, creating a violent bubbling action. This repeated vaporization and condensation across 20 theoretical stages allows for the sharp separation of complex chemical mixtures that Vigreux or simple packed columns cannot resolve.

High-Throughput 2-Inch Internal Diameter

While standard benchtop Oldershaw columns are restricted to a 1-inch ID, this Stanland model boasts a 2-inch (50.8 mm) Internal Diameter. This massive cross-sectional area accommodates significantly higher vapor velocities and liquid reflux rates, preventing column flooding during multi-liter batch processing or pilot-scale scale-up operations.

Near-Adiabatic Stability via Silvered Jacketing

For a column standing nearly four feet tall, thermal loss is a critical concern. If the vapor cools prematurely, the reflux ratio collapses, destroying separation efficiency. The 3.5-inch outer jacket is evacuated to eliminate conductive heat loss, but its primary defense is internal: the silver coating on a vacuum-jacketed Oldershaw column is there primarily to reduce heat transfer by radiation. By acting as a thermal mirror, the silvering ensures the entire 43-inch vertical gradient remains near-adiabatic, perfectly isolating the process from ambient laboratory drafts.

Corrugated Expansion Bellows

A 43-inch internal glass tube subjected to high-temperature vapor will expand significantly. Because the outer silvered vacuum jacket remains near room temperature, this differential thermal expansion can easily shatter rigid glass welds. Stanland engineered this unit with corrugated expansion bellows integrated into the outer jacket. These glass folds physically flex to absorb the linear expansion, serving as a critical mechanical shock absorber during intense distillation cycles.

Ideal Scale-Up & Processing Applications

This pristine, oversized column is specifically geared toward the scientific community for high level R&D and pilot-plant operations:

• Difficult Isomer Separations: Isolating active compounds with boiling point differentials of just a few degrees.

• Pilot Plant Scale Up: Testing and refining distillation parameters for chemical manufacturing processes.

• High Volume Hydrocarbon Fractionation: Processing large petroleum samples for detailed boiling-point characterizations.

• Bulk Solvent Recovery: Rapidly purifying large volumes of heavily contaminated industrial or synthetic solvents.

Complete Your High Capacity Distillation Train

A column of this magnitude requires robust, high-capacity surrounding infrastructure. Source compatible equipment directly from HiTechTrader:

• Custom Joint Integration: Because this new column features customizable ends, browse our used laboratory equipment to find the perfect heavy-duty adapters, condensers, and receiving flasks for your specific build.

• Pilot-Scale Synthesis: Feed this massive separation stage directly from high-volume laboratory reactors or jacketed Parr reactors.

• Fluid & Vacuum Dynamics: Drive continuous high-volume feed and maintain deep system vacuum using industrial-grade laboratory pumps.

• Quality Assurance: Confirm the absolute purity of your bulk fractions with high-precision analytical instruments, including fully refurbished used GC-MS systems.

• Operator Safety: Secure this towering, 43-inch high-temperature setup using appropriate structural containment and safety equipment.

Buy the New Stanland Glassblowing Lakes 20-Plate Column

HiTechTrader offers this New Stanland Glassblowing Lakes 2-Inch ID Silver Vacuum Jacketed Oldershaw Distillation Column completely unused and pristine. Bypass the immense capital costs and multi-month fabrication delays associated with commissioning custom, large-bore scientific glassware.

Contact HiTechTrader today to:

• Request formal pricing and confirm compatibility.

• Discuss joint customization and compatible heavy duty clamping systems.

• Arrange secure, custom crated domestic or international freight shipping for this oversized component.

FAQs

What is a 20-plate Oldershaw distillation column?

A 20-plate Oldershaw distillation column is a highly efficient, laboratory-scale fractional distillation apparatus constructed from borosilicate glass. It features an internal series of 20 perforated plates and downcomers. Because each plate acts as an individual theoretical stage, a 20-plate column maximizes vapor-liquid contact, allowing scientists to precisely separate chemical mixtures based on minute boiling point differences.

Why does a high capacity Oldershaw column need a silver vacuum jacket and expansion bellows?

In tall, high-capacity columns, the silver coating on a vacuum-jacketed Oldershaw column is applied primarily to reduce heat transfer by thermal radiation, preventing radiant cooling and maintaining the critical internal temperature gradient. Because the massive internal glass tube gets much hotter than the outer jacket, corrugated expansion bellows are integrated into the design to physically flex and absorb the resulting thermal expansion, preventing the borosilicate glass from shattering under extreme stress.