Manual Bottle-Top Dispenser

Precise · Safe · Controlled Liquid Dispensing for Laboratory Applications

What Is a Manual Bottle-Top Dispenser?

Manual bottle-top dispensers are laboratory liquid handling devices designed for accurate and repeatable dispensing of reagents directly from storage bottles.

For automated workflows, see our electronic bottle-top dispensers.

Compared with electronic systems, manual bottle-top dispensers provide reliable operation without power requirements, making them suitable for routine laboratory use, chemical handling, and environments requiring simple and robust dispensing solutions.

These dispensers are widely used in chemistry, pharmaceutical, and industrial laboratories where safe handling and precise volume control are required.

Key Features

• Manual operation: no power supply required, stable and reliable performance
• High chemical resistance: compatible with common acids, bases, and solvents
• Precise volume adjustment: adjustable dispensing range for accurate liquid handling
• Direct bottle mounting: reduces transfer steps and minimizes contamination risk
• Smooth piston mechanism: ensures consistent and repeatable dispensing
• Safety design: reduces exposure to hazardous chemicals during operation

Typical Applications

• Chemical reagent dispensing
• Acid and base handling
• Solvent distribution in laboratory workflows
• Routine liquid transfer and aliquoting
• Pharmaceutical and industrial laboratory applications

For complete liquid handling workflows, these dispensers are often used together with laboratory vials, reagent bottles, and centrifuge tubes.

Technical Specifications

Included Components & Accessories

Each manual bottle-top dispenser is supplied with standard adapters and tubing to ensure compatibility with common laboratory bottles.

Why Choose Manual Bottle-Top Dispensers?

Manual bottle-top dispensers provide a cost-effective and reliable solution for laboratories that require consistent liquid dispensing without the complexity of electronic systems.

• No power requirement, suitable for all laboratory environments
• Simple operation and low maintenance
• Reduced risk of cross-contamination
• Ideal for routine and high-frequency dispensing tasks

Manual vs Electronic Bottle-Top Dispensers

Ordering Information

Multiple volume ranges and sterilization options are available to meet different laboratory requirements.

Download PDF Datasheet

FAQ

What bottle sizes and thread types are compatible?

Standard adapters are provided to fit common bottle neck sizes (e.g., GL32, GL38, GL45). Custom adapters are available for special containers.

What is the dispensing accuracy and repeatability?

Typical accuracy is within ±0.5% and coefficient of variation ≤0.2% (depending on model and volume range). Calibration is recommended for critical applications.

Which chemicals is it compatible with?

Designed for acids, bases, and many solvents. For aggressive chemicals (e.g., strong oxidizers), material compatibility (PTFE, FEP, glass) should be confirmed before use.

How do I prevent cross-contamination?

Use dedicated units for specific reagents, flush the system after use, and avoid mixing incompatible chemicals. Optional safety valves and recirculation systems help reduce residue.

Is maintenance or calibration required?

Routine cleaning and periodic calibration are recommended. The dispenser is designed for easy disassembly and low maintenance.

Can it be autoclaved?

Selected components are autoclavable depending on the model. Check specifications before sterilization.

What is the typical service life?

With proper use and maintenance, the dispenser supports long-term daily operation. Wear parts such as seals can be replaced if needed.

Do you offer OEM or bulk supply?

Yes. OEM customization, private labeling, and bulk supply are available for distributors and laboratory procurement.