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PTFE Flexible Dispensing Needles

PTFE Flexible Dispensing Needles

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Pack of 12 flexible PTFE dispensing needles for controlled transfer and application of laboratory liquids, solvents, electrolytes and other fluid materials where a non-metallic flexible tip is preferred.

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S4R PTFE Flexible Dispensing Needles are designed for controlled transfer and application of laboratory liquids where a flexible, non-metallic dispensing tip is preferred. Their PTFE fluid-contact tube is well suited to precision dispensing and laboratory sample-preparation workflows. Supplied in packs of 12 and available in three selected nominal gauges.

Key Features

✓ Flexible PTFE dispensing tube
✓ Non-metallic fluid-contact tip
✓ 16G, 20G and 25G nominal gauges
✓ Flexible configuration for controlled dispensing
✓ Suitable for low-volume laboratory fluid handling
✓ Supplied as a pack of 12

Typical Applications

• Electrolyte dispensing
• Solvent and reagent transfer
• Precision liquid application
• Laboratory sample preparation
• Small-volume fluid transfer
• Applications where metallic tip contact is undesirable
Technical Specifications
Product Type Flexible dispensing needle
Fluid-Contact Tube Material PTFE
Tip Construction Flexible, non-metallic
Available Gauges 16G / 20G / 25G
Package Quantity 12 needles
Available Gauges
Nominal Gauge Confirmed Nominal ID Selection Guide
16G Approx. 0.9 mm Higher-flow dispensing
20G Approx. 0.5 mm General precision dispensing
25G — Fine low-flow dispensing
Design & Handling
• The flexible PTFE tube provides a non-metallic fluid-contact tip for controlled laboratory dispensing.
• Larger nominal gauges are suited to higher-flow applications, while smaller gauges support finer liquid dispensing.
• Select the gauge according to fluid viscosity, required flow and dispensing precision.
Technical Notes
• Verify chemical compatibility with the specific liquid, solvent or electrolyte before use.
• Avoid excessive bending, kinking or mechanical loading of the flexible PTFE tube.
• Smaller flow paths are more sensitive to clogging with viscous or particle-containing liquids.
Package Contents
12×
PTFE Flexible Dispensing Needles
Selected gauge
Selection & Use
These flexible PTFE dispensing needles are intended for laboratory and industrial liquid-handling applications. Select the appropriate gauge according to fluid viscosity, required flow and dispensing precision. Verify chemical and mechanical compatibility with the complete dispensing system before use.

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