Dosing Tube 2/4mm -(Silicone)

Dosing Tube 2/4mm -(Silicone)

Tubing & Fitting Compatibility Master Chart

Tubing Description OD (Outside) ID (Inside) Use Push-In Fitting Use Barbed Fitting
¼” RO Tubing 1/4″ ~4mm 1/4″ Push-Fit 4mm / 5mm Barb
⅜” RO Tubing 3/8″ ~6mm 3/8″ Push-Fit 6mm Barb
⅜” Brine Tubing 3/8″ 1/4″ 3/8″ Push-Fit 1/4″ (6mm) Barb
6/4mm Dosing Tube 6mm 4mm 6mm Metric 4mm Barb
8/5mm Dosing Tube 8mm 5mm 8mm Metric 5mm Barb
10/7mm Metric Tube 10mm 7mm 10mm Metric 7mm Barb
12/8mm Dosing Tube 12mm 8mm 12mm Metric 8mm Barb
½” Brine (Heavy) 1/2″ ~10mm 1/2″ Push-Fit 10mm Barb
½” Drain (PVC) ~16mm 1/2″ Not Compatible 1/2″ (13mm) Barb

💡 How to Use This Chart:

1. Are you using a “Push-In” (Quick-Connect) Fitting?

Look at the OD (Outside Diameter). The tube must match the fitting size exactly.

  • Warning: A 1/4″ (6.35mm) tube will not fit correctly into a 6mm Metric fitting. They look similar but will leak!

2. Are you using a “Barbed” (Hose-Tail) Fitting?

Look at the ID (Inside Diameter). The “hole” of the tube must stretch over the ridges of the barb.

  • Pro-Tip: If the fit is tight, dip the end of the tube in hot water for 30 seconds to soften the plastic before pushing it onto the barb.

3. Are you using a “Jaco” (Compression) Fitting?

These fittings use a nut and a small plastic sleeve (ferrule). You must match the OD of the tube to the nut size. These are most common on Brine Tanks and older RO systems.

SKU: QTDT.0204SIL Category: Tags: ,

Description

A high-performance, translucent silicone tube designed specifically for peristaltic dosing pump heads. Unlike standard tubing, our platinum-cured silicone features “high-memory rebound,” allowing it to be compressed by pump rollers millions of times without losing its shape, ensuring your dosing stays accurate to the milliliter.

Uses & Applications:

  • Peristaltic Pump Replacements: The internal “squeeze” tube for dosing pumps.

  • Reef Tank Additives: Safe for all aquarium supplements (Ca, Alk, Mg).

  • Food & Beverage: FDA-compliant for food-safe dispensing.

Benefits:

  • Non-Kinking: Ultra-flexible; can be tied in a knot without stopping flow.

  • Chemical Purity: Contains no phthalates or BPA; will not leach into sensitive fluids.

  • High Temp Rating: Stable from -40°C up to 200°C.

Size & Dimensions:

  • 2x4mm: Micro-dosing

  • 3x5mm: Standard hobbyist dosing

  • 4x6mm: High-flow / Universal

  • Length: Sold per meter

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