SGA Scientific Silver Vacuum Jacketed Oldershaw Mixing Column

New 42-Inch Laboratory Gravity Mixing Column with 50/30 Ball Joints, Silver Vacuum Jacket, Corrugated Jacket, and Expansion Bellows

The SGA Scientific Silver Vacuum Jacketed Oldershaw Mixing Column is a new specialty laboratory glass column designed for gravity-fed liquid contact, mixing support, thermal isolation, and custom chemical processing workflows. With a 42-inch / 1066.8 mm overall length, 1-inch / 25.4 mm inside diameter, 50/30 top and bottom ball joints, a silver vacuum jacket, corrugated vacuum jacket, and expansion bellows, this column is built for laboratories that need an extended vertical path for controlled liquid flow and process contact.

An Oldershaw mixing column is a laboratory-scale fractional gravity mixing column used to improve contact as liquid flows through the column. Unlike a plated Oldershaw distillation column, which is designed for boiling-point separation using perforated plates and downcomers, an Oldershaw mixing column is positioned for gravity-based liquid movement, contact, and mixing support in compatible laboratory assemblies.

This SGA Scientific column stands out from shorter mixing columns because of its extra-long 42-inch column length. The longer body provides more vertical flow distance, making it useful for laboratories that need extended residence path, improved liquid contact time, and greater process visibility in a vacuum-jacketed format.

For related equipment, browse HiTechTrader’s used laboratory equipment, laboratory reactors, laboratory pumps, and analytical instruments.

Extra-Long 42-Inch Gravity Mixing Column

The main advantage of this SGA Scientific Oldershaw mixing column is its extended 42-inch / 1066.8 mm length. This longer format gives laboratories more vertical column length for gravity-fed liquid contact and process observation.

This makes the column useful for workflows where a shorter mixing column may not provide enough contact distance.

Potential uses include:

• gravity-fed liquid mixing
• solvent contact workflows
• chemical process development
• laboratory-scale liquid handling
• vapor-liquid contact support
• temperature-sensitive flow applications
• custom glassware assemblies
• organic chemistry research
• QA/QC method development
• specialty chemical workflows

For buyers comparing multiple Oldershaw style columns, this unit is best positioned as a long format mixing column for workflows where extended liquid path length matters.

What Makes This SGA Scientific Mixing Column Stand Out

This column is different from many similar Oldershaw listings because it combines new condition, long 42-inch length, 50/30 ball joint connections, and expansion bellows in one specialty vacuum-jacketed column.

This column stands out because it offers:

• New condition instead of used
• 42-inch length for extended gravity flow contact
• 1-inch inside diameter for laboratory scale liquid flow
• 2-inch outside diameter for a slim, long column format
• 50/30 top and bottom ball joints for flexible glassware alignment
• Silver vacuum jacket for reduced radiant heat transfer
• Corrugated vacuum jacket for jacketed thermal isolation
• Expansion bellows to help reduce thermal stress

This makes it a strong option for labs that need specialty long-form glassware for liquid contact, thermal isolation, process observation, and gravity assisted mixing workflows.

Silver Vacuum Jacket for Reduced Radiant Heat Transfer

The silver coating on a vacuum jacketed Oldershaw column is used primarily to reduce heat transfer by radiation. In laboratory mixing and process-support workflows, limiting radiant heat transfer can help maintain more stable internal column conditions.

The silver vacuum jacket helps support:

• reduced radiant heat transfer
• improved thermal isolation
• more stable internal flow conditions
• reduced influence from ambient lab temperature
• better repeatability in temperature sensitive workflows
• improved process control during liquid handling

For laboratories handling temperature-sensitive liquids, solvents, or process streams, the silver vacuum jacket can help support more consistent workflow conditions compared with non-jacketed glassware.

50/30 Top and Bottom Ball Joint Configuration

This column is configured with 50/30 top and bottom ball joints. Ball joints can be helpful in laboratory glassware assemblies because they provide more alignment flexibility than rigid taper joints.

The 50/30 ball joint configuration may support:

• custom gravity-flow assemblies
• liquid contact systems
• process development glassware
• reflux support workflows
• vapor-liquid contact setups
• solvent handling systems
• specialty laboratory glassware rigs

Because this column uses 50/30 ball joints, buyers should confirm compatibility with existing flasks, adapters, condensers, receivers, clamps, and other glassware components before purchase.

Corrugated Vacuum Jacket with Expansion Bellows

This SGA Scientific column includes both a corrugated vacuum jacket and expansion bellows. This is an important feature for a long vacuum-jacketed column because heating and cooling cycles can place stress on the glass.

The expansion bellows help accommodate thermal expansion and contraction, supporting more dependable performance during repeated laboratory use.

Benefits include:

• reduced stress during thermal cycling
• improved durability for a long 42-inch column format
• added flexibility compared with rigid jacketed glassware
• better support for repeated heating and cooling workflows
• improved long-term usability in laboratory process setups

For laboratories using long jacketed glassware, expansion bellows are especially valuable because they help reduce the risk of thermal stress across the extended column body.

Laboratory Glass Column for Custom Process Workflows

This SGA Scientific Silver Vacuum Jacketed Oldershaw Mixing Column is useful for laboratories building custom glassware assemblies that require controlled liquid movement, thermal isolation, and process visibility.

The column’s long vertical design may support:

• extended gravity flow
• liquid contact studies
• solvent handling
• temperature-sensitive liquid workflows
• chemical process development
• vapor-liquid interaction support
• laboratory-scale method development
• specialty glassware configurations

The clear column format also allows users to observe liquid behavior inside the column, which can be helpful for troubleshooting, process development, and workflow optimization.

Technical Specifications

Typical Applications

The SGA Scientific Silver Vacuum Jacketed Oldershaw Mixing Column is suitable for laboratories that need an extended column path for gravity fed mixing, liquid contact, or process-support applications.

Common applications include:

• gravity-fed liquid mixing
• solvent handling
• chemical process development
• liquid contact workflows
• vapor-liquid contact support
• organic chemistry research
• temperature sensitive liquid movement
• custom laboratory glassware assemblies
• reflux support workflows
• method development
• QA/QC testing
• academic teaching labs
• small-scale process optimization

This column is especially useful when a lab needs a longer vacuum-jacketed mixing column instead of a compact 12-inch or 22-inch format.

Key Benefits

New SGA Scientific Glassware

Offered in new condition, making it a strong option for laboratories seeking unused specialty glassware.

Extra-Long 42-Inch Column

Provides an extended vertical path for gravity-fed liquid contact and process observation.

Silver Vacuum Jacket

Helps reduce radiant heat transfer and supports more stable internal conditions.

Corrugated Vacuum Jacket

Provides thermal isolation support in a specialty jacketed glass format.

Expansion Bellows Included

Helps reduce thermal stress during repeated heating and cooling cycles.

50/30 Ball Joint Connections

Offers flexible alignment for compatible custom laboratory glassware assemblies.

Strong Fit for Custom Workflows

Useful for labs building specialty liquid handling, process development, or vapor-liquid contact setups.

Why Buy This SGA Scientific Oldershaw Mixing Column from HiTechTrader?

HiTechTrader helps laboratories source scientific, analytical, chemical processing, and laboratory equipment for research, testing, purification, process development, and education. This new SGA Scientific Silver Vacuum Jacketed Oldershaw Mixing Column is a strong choice for buyers who need a long-format specialty glass column for gravity mixing, liquid contact, or thermal isolation.

This column can be paired with compatible lab systems and equipment, including:

• laboratory reactors
• Parr reactors
• laboratory pumps
• analytical instruments
• used GC-MS systems
• containment and safety equipment
• used laboratory equipment

For laboratories building a complete chemical processing or liquid handling workflow, this column may be used alongside compatible reactors, condensers, receiving vessels, vacuum systems, pumps, heating equipment, and analytical instruments.

New SGA Scientific Silver Vacuum Jacketed Oldershaw Mixing Column for Sale

HiTechTrader offers this new SGA Scientific Silver Vacuum Jacketed Oldershaw Mixing Column for laboratories needing long-format specialty glassware for gravity mixing, liquid contact, thermal isolation, or chemical process development.

This column is a strong fit for research labs, organic chemistry labs, specialty chemical workflows, solvent handling setups, process development systems, and custom glassware assemblies.

Contact HiTechTrader to request pricing, verify 50/30 joint compatibility, or source additional laboratory glassware and chemical processing equipment for your setup.

FAQs

What is an Oldershaw mixing column?

An Oldershaw mixing column is a laboratory-scale gravity mixing column used to support liquid contact and mixing as liquid flows through the column.

What is this SGA Scientific column used for?

This column is used for gravity-fed liquid mixing, solvent handling, liquid contact workflows, vapor-liquid contact support, chemical process development, and custom laboratory glassware assemblies.

How long is this column?

This SGA Scientific Oldershaw mixing column is 42 inches / 1066.8 mm long.

Why does the column have a silver vacuum jacket?

The silver coating helps reduce heat transfer by radiation. This supports better thermal isolation and more stable internal column conditions.

What are the joint sizes?

This column has 50/30 top and bottom joints, with the bottom listed as a 50/30 ball joint.

Does this column have expansion bellows?

Yes. This column includes expansion bellows and a corrugated vacuum jacket.

Is this column for distillation or mixing?

This product is best described as an Oldershaw mixing column, not a plated Oldershaw distillation column. It is intended for gravity based liquid contact and mixing support rather than staged boiling-point separation.

Is this column new or used?

This SGA Scientific Oldershaw mixing column is listed in new condition.