
Colossal 1.5-Inch ID Pilot-Scale Column | 65/40 Heavy-Duty Ball Joints | Maximum Thermal Isolation
Manufacturer: SGA
Condition: Used (Fully Inspected & Vacuum Tested)
Scale: Massive 54 Inches (1371.6 mm) Overall Length
Internal Capacity: High-Throughput 1.5-Inch (38.1 mm) Inside Diameter
Insulation Profile: 3-Inch (76.2 mm) Outside Diameter with Silver Coating
Joint Configuration: 65/40 Heavy-Duty Spherical Ball Joints (Top and Bottom)
Thermal Protection: Silver-Coated Vacuum Jacket with Integrated Expansion Bellows
When transitioning from benchtop fractionation to pilot-scale production, maintaining a strict adiabatic gradient across an extreme vertical drop is the most difficult engineering hurdle. The Used SGA 54-Inch Silver Vacuum Jacketed Distillation Column is a towering testament to thermal control, designed specifically for adult scientists and process engineers in the scientific community who demand industrial throughput without sacrificing separation purity.
Measuring an astonishing 54 inches (1371.6 mm) in length, this pre-owned borosilicate glass column features a wide, high-volume 1.5-inch (38.1 mm) internal diameter. This massive bore accommodates extreme vapor velocities, preventing column flooding during multi-liter bulk solvent recovery operations. To ensure the hot ascending vapor doesn't collapse midway up this 4.5-foot journey, the entire column is fortified by a deep, silvered vacuum jacket and structural expansion bellows. Outfitted with massive 65/40 spherical ball joints, this SGA column delivers the sheer physical strength required for high-capacity continuous-flow infrastructure.
| Feature / Metric | Specification |
| Manufacturer | SGA |
| Product Type | Vacuum Jacketed Distillation Column |
| Condition | Used (Inspected for structural integrity and vacuum seal) |
| Overall Length | 54 inches / 1371.6 mm |
| Column Outside Diameter (OD) | 3 inches / 76.2 mm |
| Column Inside Diameter (ID) | 1.5 inches / 38.1 mm |
| Top Joint Format | 65/40 Spherical Ball Joint |
| Bottom Joint Format | 65/40 Spherical Ball Joint |
| Thermal Insulation | Silver-Coated Vacuum Jacket |
| Mechanical Stress Relief | Expansion Bellows / Expansion Joint (Yes) |
The sheer length of this SGA column provides an immense physical pathway for vapor-liquid equilibration, making it ideal for packing with structured materials (like Raschig rings or structured stainless mesh) to achieve extreme theoretical stage counts. Because the 54-inch span is highly vulnerable to radiant heat loss, the silver coating on the vacuum-jacketed column acts as an inward-facing thermal mirror, drastically reducing heat transfer by radiation. This ensures the vapor reaches the massive 65/40 top joint without premature condensation.
Benchtop columns (typically 0.5" to 1" ID) create immediate pressure bottlenecks when subjected to industrial boiling loads. The expansive 1.5-inch (38.1 mm) ID of this SGA column is explicitly designed for pilot-scale throughput. It allows massive volumes of vapor to ascend freely while simultaneously allowing heavy liquid reflux to return to the boiling flask without choking the column.
Subjecting a 54-inch internal glass tube to boiling vapor while the outer 3-inch jacket remains at room temperature creates a catastrophic differential in linear thermal expansion. SGA engineered this column with an expansion joint (bellows) built into the outer glass wall. These corrugations act as a critical mechanical shock absorber, physically flexing to accommodate the massive thermal gradients of pilot-scale distillation, preventing the borosilicate welds from shattering.
A 54-inch, 3-inch OD glass column carries an immense amount of physical weight. Rigid standard taper joints would instantly snap under the lateral stress. SGA equipped this titan with 65/40 spherical ball joints at both ends. These specialty rounded joints allow for slight angular deflection during assembly. When locked down with heavy-duty pinch clamps and O-rings, they provide a durable, grease-free vacuum seal capable of supporting the column's immense size safely within a pilot plant framework.
This massive, pre owned SGA column is engineered for high-throughput scientific environments:
Pilot Plant Scale Up: Translating complex benchtop fractionations into high volume continuous production workflows.
Bulk Solvent Recovery: Rapidly distilling and recovering multi gallon batches of industrial or synthetic solvents without vapor choking.
High Volume Packed Distillation: Serving as a massive, thermally stable housing for structured packings to achieve high theoretical stage counts in bulk processing.
Botanical & Essential Oil Processing: Handling the massive vapor loads and heavy reflux associated with large scale terpene isolation.
An apparatus of this massive scale requires industrial grade laboratory infrastructure. Build out your high throughput distillation system with fully compatible equipment from HiTechTrader:
Large Scale Glassware Integration: Safely mount this 54-inch titan with compatible heavy-duty 65/40 adapters, massive reflux splitters, and industrial pinch clamps from our used laboratory equipment inventory.
High Capacity Fluid Dynamics: Maintain deep vacuum and drive bulk fluid transfers using our robust laboratory pumps.
Pilot Reactor Integration: Feed massive vapor loads directly into this column by mounting it onto pilot-scale laboratory reactors or multi-liter Parr reactors.
Bulk Purity Verification: Validate the purity of your recovered solvents using our premium analytical instruments, featuring fully refurbished used GC-MS systems.
Industry Insights: Discover the latest methodologies in pilot-plant scale-up, safety, and equipment sourcing in the newest issue of HTT Magazine.
HiTechTrader offers this Used SGA 54-Inch Silver Vacuum Jacketed Distillation Column fully inspected for structural integrity and vacuum seal quality. Bypass the immense capital costs and multi month fabrication delays associated with commissioning custom, large bore pilot glassware.
Contact HiTechTrader today to:
Learn about current specials and request official pricing.
Discuss compatibility with 65/40 heavy duty hardware and structural clamping systems.
Arrange for custom crated, heavily padded domestic or international freight shipping to safely transport this towering 54-inch component.
Why does a 54-inch distillation column require heavy-duty 65/40 ball joints?
A massive 54-inch tall distillation column made of heavy-wall borosilicate glass carries immense physical weight and acts as a long lever arm. Standard rigid taper joints would easily crack or shatter under the lateral stress. Heavy-duty 65/40 spherical ball joints are utilized because they allow for slight angular deflection and movement during assembly and operation. This flexibility, combined with specialized heavy-duty clamping, safely supports the massive weight of pilot-scale glassware while maintaining a perfect high-vacuum seal.
What is the purpose of an expansion joint on a vacuum-jacketed column?
In tall, vacuum-jacketed distillation columns (like a 54-inch SGA model), the inner glass tube gets extremely hot from rising vapor, causing it to expand linearly. However, the outer vacuum jacket remains near room temperature and does not expand at the same rate. An expansion joint (or expansion bellows) is a corrugated section of the outer glass wall designed to act as a mechanical shock absorber. It physically stretches and compresses to absorb this massive differential in thermal expansion, preventing the borosilicate glass from shattering under the intense structural stress.