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Hoffman Clips
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 Hoffman Clips are laboratory tools used to control the flow of liquids or gases through flexible tubing. Designed with a screw mechanism, these clips compress tubing to restrict, regulate, or completely stop the passage of fluids. Made from durable metals like nickel-plated brass or stainless steel, Hoffman Clips are chemically resistant, reusable, and adjustable to fit different tubing sizes. Commonly used in laboratory setups involving distillation, filtration, and fluid transfer, they provide a simple and effective method for managing fluid control without disconnecting the tubing.
Description
Uses
Primary Uses
Laboratory Fluid Control
- Regulating the flow of liquids or gases through rubber or plastic tubing.
- Used in filtration setups to control drainage or flow rate.
- Controlling reagent delivery in titration or chemical transfer systems.
- Managing flow in distillation apparatus or separatory funnels.
- Temporarily stopping flow without detaching tubing from equipment.
Secondary Uses
Industrial and Educational Applications
- Flow regulation in pilot-scale and quality control setups.
- Teaching fluid dynamics and pressure systems in laboratory experiments.
- Applied in bioprocessing labs for managing nutrient or waste flow lines.
- Used in aquariums or water systems for hobbyist or small-scale industrial purposes.
PRODUCT KEY FEATURES
Basic Identification Attributes
- Material: Stainless steel or nickel-plated brass
- Design: Adjustable screw clamp for various tubing diameters
- Compatibility: Suitable for flexible rubber, silicone, or PVC tubing
Physical & Chemical Properties
- Chemically resistant and non-reactive with most lab-grade fluids
- Durable and corrosion-resistant surface
Safety & Hazard Attributes
- Mechanical part; care required to avoid pinching fingers during adjustment
- Over-tightening may damage tubing or cause leaks
Storage & Handling Attributes
- Store in dry environments to avoid corrosion (especially brass versions)
- Clean after use to remove chemical residue
Regulatory & Compliance Attributes
- Manufactured according to laboratory hardware and safety equipment standards
Environmental & Health Impact
- Reusable and long-lasting, reducing equipment waste
- No hazardous materials used in construction
SAFETY HANDLING PRECAUTIONS
Safety Handling Precautions
- Do not force the clip beyond tubing capacity
- Ensure tubing is properly aligned to prevent accidental leaks
First Aid Measures
- For pinching injuries, apply cold compress and seek medical attention if severe
Firefighting Measures
- Non-flammable
- Use appropriate extinguishing agents for surrounding materials if involved in fire
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