Specifications

Serpentine Condenser · Specifications

The following are general specifications. For custom sizes or special joint sizes, please contact our sales team.

Joint Size	Effective Length (mm)	Coil OD (mm)	Hose Barb OD (mm)	Material
Please contact us to confirm the available specifications.

* Dimensions are approximate.
* Effective length is the condensation length of the jacket.
* Number of coils can be customized.
* Custom joint sizes and lengths available upon request.

Joint Size	Effective Length (mm)
Please contact us to confirm the available specifications.

Product Description

The serpentine condenser is the most efficient condensation device in standard joint glassware, widely used in low-boiling solvent distillation, Soxhlet extraction, and volatile sample recovery. Its serpentine inner tube design provides an exceptionally long condensation path, allowing vapor to travel through a spiral channel for maximum cooling contact. The standard 1:10 taper ground glass joint ensures reliable sealing and interchangeability with all standard joint accessories. Manufactured from borosilicate glass 3.3, it offers excellent thermal and chemical resistance. Effective lengths range from 200mm to 1000mm to accommodate various experimental scales.

Key Features

Borosilicate Glass 3.3: ISO 3585 compliant, low expansion, thermal shock 280°C
Serpentine Inner Tube: Longest condensation path for maximum efficiency
Standard Joint: 1:10 taper, precision ground for reliable sealing
Multiple Sizes: Available in 14#, 19#, 24#, 29# joint sizes
Multiple Lengths: 200mm ~ 1000mm effective lengths
High Transparency: Easy observation of condensation process
Chemical Resistant: Suitable for various organic solvents

Quality Assurance

Every condenser undergoes strict dimensional inspection, joint taper testing, and thermal resistance testing to ensure compliance with applicable standards.

Note: Ensure joints are clean and dry before use to prevent sticking. Cooling water should flow from the lower inlet to the upper outlet for optimal efficiency. Serpentine condensers are particularly suitable for low-boiling solvents.

Applications

Typical Applications

Low-Boiling Solvent Distillation

Ether, dichloromethane, petroleum ether recovery

Soxhlet Extraction

Fat extraction, natural product extraction

Volatile Sample Condensation

Volatile organic compound collection

Organic Synthesis

Various condensation and reflux operations

Pharmaceutical R&D

Solvent recovery, sample concentration

Education

University organic chemistry lab teaching

Compatible Equipment

Standard joint round-bottom flasks, three-neck flasks

Distillation heads, fractionating heads

Soxhlet extractors

Heating mantles, oil baths

Tip: The serpentine condenser is the preferred condensation device for low-boiling solvent distillation, offering the longest condensation path and highest efficiency. 24# and 29# sizes are available in 1000mm extra-long length for large-scale solvent recovery. Use accessories of the same joint size for optimal sealing.

Operation & Maintenance

User Guide

Preparation

Inspect condenser for cracks, chips, or scratched joints
Clean joint surfaces with a soft cloth or cotton swab
Apply a small amount of vacuum grease if joints are too tight

Installation & Connection

Connect the condenser vertically to the distillation head or flask via the joint
Insert with gentle twisting motion, do not force
Secure the condenser with a clamp for vertical stability
Connect cooling water: lower inlet → upper outlet, ensure correct flow direction

Condensation Operation

Turn on cooling water before heating, maintain steady flow
For low-boiling solvents, use ice water or chilled circulating water for maximum efficiency
Observe condensate drip rate, adjust heating power accordingly
Monitor condenser outer wall temperature to ensure cooling efficiency
For extra-long condensers (1000mm), increase water flow rate as needed

Disassembly & Cleaning

Stop heating first, continue cooling water flow for cool down
Turn off cooling water, gently twist to detach
Clean immediately after use to prevent residue buildup
Wash joints with soft brush and detergent, avoid hard objects
Clean serpentine coil with a long-handled soft brush
Air dry after washing, store with soft paper between joints

Care & Notes

Show care & notes

Safety Tips

Ensure cooling water connections are secure to prevent leaks
Control temperature carefully when distilling low-boiling solvents to prevent bumping
Always work in a fume hood when handling hazardous chemicals

Do not

Do not use cracked or chipped condensers for experiments
For 1000mm extra-long condensers, ensure vertical installation to avoid bending stress

Serpentine Condenser

Specifications