The laboratory clamp laboratory three jaw clamp with plastic grip delivers secure, stable tube positioning for demanding experiments. Its reinforced steel screw and soft plastic gripping surface protect delicate glassware while providing reliable hold under vibration and thermal shifts.
Engineered for benchtop analytical work and educational labs, this clamp combines robust metal hardware with a non marking plastic sleeve. The result is a versatile tool that simplifies setup, reduces sample damage risk, and keeps procedures running smoothly.
| Clamp Type | Key Feature | Plastic Grip Benefit | Typical Use Case |
|---|---|---|---|
| Three Jaw | Self-centering action | Gentle hold, low slip on round glass | Laboratory flasks, burettes, columns |
| Two Jaw | Adjustable for larger shapes | Custom contact, less surface contact | Beakers, irregular vessels |
| Universal | Wide jaw opening | Extra reach, keeps grip away heat | Large reactors, condenser assemblies |
| Extension Arm | Extended positioning | Plastic reduces vibration transfer | Tall columns, overhead setups |
Key Specifications And Performance
Detailed specifications help you confirm that the clamp will perform in your exact setup. The table below summarizes key dimensional, material, and environmental limits that affect reliability.
Specification Table
The table below translates product data into practical guidance for daily bench use, making it clear when this clamp fits your process and when another style is safer.
| Specification | Value | Unit | Practical Implication |
|---|---|---|---|
| Max Pipe Diameter | 50 | mm | Suitable for standard lab glassware and larger reactors |
| Jaw Opening | 75 | mm | Access to vessel necks and adapters |
| Material Body | Cast Steel | - | Rigidity under load, long service life |
| Screw Thread | M8 | - | 6 mm travel per turn for fast adjustments |
| Grip Surface | Plastic Insert | - | Non marring hold and better friction on glass |
| Operating Temp | -20 | to 150 | Covers cryo and moderate heating steps |
| Load Capacity | 15 | kg | Enough for medium condensers and packed columns |
| Finish | Nickel Plated- | Corrosion resistance for repeated cleaning |
Design Features That Matter In Daily Lab Work
The laboratory clamp laboratory three jaw clamp with plastic grip is built around a self centering mechanism that automatically aligns vessels when you tighten. This reduces manual adjustment time and lowers the chance of uneven force that could crack fragile glass. The screw and guide rods are hardened to resist wear so that smooth motion is preserved across thousands of operations.
Plastic grip inserts sit at the contact points and serve two roles. First, they increase surface friction, which keeps treated or contaminated glass from slipping during stirring or reflux. Second, they act as a buffer, protecting anti rotational surfaces and minimizing scratches during installation and removal. Combined with the steel body, this design balances holding power with careful handling.
Mounting, Accessories, And Compatibility
Mounting flexibility is a core strength of the three jaw plastic grip clamp. The standard clamp rod suits round rods and standard iron stands, while optional extensions enable overhead or high reach arrangements. Base adapters can widen the footprint for heavy reaction vessels, and clamp guards keep tools and hands clear of moving parts during adjustment.
Compatibility is straightforward because this clamp matches common laboratory mounting patterns. It works with typical retort stands, ring clamps, and support bores used in educational and research labs. Before finalizing your setup, verify that the vessel outer diameter and overall height fit within the specified jaw opening and rod spacing to avoid unsafe overhang.
Safety, Maintenance, And Best Practices
Proper use and routine care extend the life of the clamp and reduce downtime. Position the vessel so the plastic grip distributes load evenly across the jaw faces, and avoid forcing the screw if resistance suddenly increases. When combined with antislip tapes or rubber sleeves inside the grip, you can handle polished or coated glass with greater confidence.
Keep the mechanism clean of salts, solvents, and particulate matter that could affect thread engagement. A light, laboratory compatible lubricant on the screw and rods prevents seizing without attracting dust. Inspect plastic inserts for cracks or excessive wear and replace them promptly to maintain safe gripping performance.
Recommended Use And Key Takeaways
- Check jaw opening and maximum load before mounting heavy or tall apparatus
- Inspect plastic grip inserts regularly and replace at the first sign of wear
- Use proper stand bases and ring clamps to stabilize tall setups
- Apply light lubricant to the screw and rods to keep adjustment smooth
- Avoid sudden temperature changes to protect both the clamp and the glassware
FAQ
Reader questions
How often should I replace the plastic grip inserts on the three jaw clamp?
Replace the plastic grip inserts when you notice visible cracks, flattening of the gripping surface, or increased slippage during normal handling. In busy labs with frequent setups, inspect and swap inserts every three to six months to prevent accidental drops or glassware damage.
Can this clamp safely hold heated glassware above 100 degrees Celsius?
Yes, the clamp supports heated glassware up to approximately 150 degrees Celsius, assuming the vessel itself is rated for the temperature. Allow the glass to cool before making major adjustments, and avoid sudden thermal shocks to the plastic inserts to preserve their grip properties.
What vessel sizes are best suited for the laboratory clamp three jaw clamp with plastic grip?
This clamp is optimized for round glassware such as flasks, burettes, and columns with outer diameters up to 50 mm. For larger or irregular vessels, select the appropriate jaw style or add rubber sleeves to increase friction while maintaining a secure, non marring hold.
Is the plastic insert compatible with most solvents and cleaning agents used in the lab?
The plastic insert material is usually resistant to common lab solvents, acids, and buffers, but always verify compatibility with your specific chemicals. When in doubt, rinse components promptly after use and follow the manufacturer’s guidance on cleaning and storage procedures.