Purple Silicone Vacuum Hose — Food Grade Rubber Tube for Hot Water & Coffee Lines
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Purple Silicone Vacuum Hose — Food Grade Rubber Tube for Hot Water & Coffee Lines

Purple Silicone Vacuum Hose — Food Grade Rubber Tube for Hot Water & Coffee Lines

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Beschreibung

Purple Silicone Vacuum Hose — Flexible Food Grade Tube for Hot Water, Coffee & Vacuum Lines

Finding a hose that holds up to heat, stays flexible after years of use, and won't taint the taste of your coffee or drinking water is harder than it should be. DIYers, home baristas, automotive enthusiasts, and lab technicians all run into the same problem: generic rubber tubing cracks, stiffens, or leaches odors over time. This purple silicone vacuum hose is built to solve that — a food-grade silicone rubber tube that stays pliable from -60°C to 200°C and resists the UV, ozone, and chemical exposure that kills ordinary hose.

Each meter of hose is cut from a continuous silicone extrusion with a uniform wall thickness of 1mm (ID to OD difference). Available inner diameters range from 2mm (≈5/64") to 6mm (≈15/64"), with corresponding outer diameters from 4mm (≈5/32") to 8mm (≈5/16"). Choose your diameter and length — 1M (≈3.3 ft), 2M (≈6.6 ft), 3M (≈9.8 ft), 5M (≈16.4 ft), 10M (≈32.8 ft), or 20M (≈65.6 ft) — so you get exactly what the job requires.

Typical uses include espresso machine and drip coffee maker water lines, automotive vacuum hose replacement for emissions and brake boost systems, laboratory vacuum tubing, aquarium airline connections, and DIY hot-water plumbing runs where a flexible silicone vacuum tube for coffee machines or a food-safe rubber hose for hot water is needed.

🔗 Compatibility: Fits standard barb fittings matching the listed inner diameter. Works with 1/8" NPT, 3/16" NPT, and metric push-fit connectors in the corresponding size range. Confirm your fitting OD matches the hose ID before ordering.

✅ Key Features of These Purple Silicone Vacuum Hoses

  • 🍵Food-Grade Silicone Material — Odor-neutral and taste-neutral silicone rubber compound suitable for hot water lines, espresso machines, and coffee brewing equipment where material safety matters.
  • 🌡️Wide Temperature Range — Rated for continuous use from -60°C (-76°F) to 200°C (392°F), handling boiling water, steam-adjacent environments, and cold-side vacuum lines without hardening or cracking.
  • 📏5 Diameter Options, 6 Length Cuts — Inner diameters from 2mm to 6mm paired with lengths from 1M to 20M let you order the exact silicone vacuum tube size for your project without buying excess.
  • 🔧Flexible & Easy to Route — Soft silicone wall bends around tight corners without kinking, making routing through engine bays, appliance cabinets, or lab setups straightforward even in confined spaces.
  • ☀️UV & Ozone Resistant — Unlike standard rubber tubing, silicone does not degrade from UV exposure or ozone, making this hose a reliable choice for outdoor runs and under-hood automotive vacuum applications.
  • ✂️Clean-Cut, No-Fray Ends — Silicone extrusion cuts cleanly with a utility knife and slips over barb fittings without fraying, so installation is fast and the seal is consistent from the first use.

📐 Technical Specifications — Silicone Vacuum Hose Tube

Material Food-grade silicone rubber
Color Purple
Inner Diameter (ID) Options 2mm (≈5/64"), 3mm (≈1/8"), 4mm (≈5/32"), 5mm (≈13/64"), 6mm (≈15/64")
Outer Diameter (OD) ID + 2mm wall (e.g., 2mm ID → 4mm OD; 6mm ID → 8mm OD)
Wall Thickness 1mm per side (uniform across all sizes)
Available Lengths 1M, 2M, 3M, 5M, 10M, 20M (sold by the meter, cut to length)
Temperature Range -60°C to 200°C (-76°F to 392°F) — typical for this silicone grade
Pressure Rating See variant options — typically suitable for low-to-moderate vacuum/pressure up to ~30 PSI
Flexibility Highly flexible; kink-resistant under normal routing conditions
UV / Ozone Resistance Yes — inherent silicone property
Food Contact Suitability Generally food-grade; contact us to confirm certification requirements
Country of Origin China
⚠️ Note: This is a thin-wall vacuum hose. It is not designed for high-pressure hydraulic lines or direct fuel (gasoline/diesel) contact. If you need a reinforced or fuel-rated hose, please contact us before ordering.

❓ Frequently Asked Questions

How do I choose the right inner diameter (ID) for my application?

Match the ID to the outer diameter of the fitting or barb it will slip over. For example, a 4mm barb fitting typically requires a hose with a 4mm ID. When in doubt, size down slightly — silicone stretches and a snug fit reduces the chance of leaks. Available sizes range from 2mm (≈5/64") to 6mm (≈15/64") ID.

What length should I order?

Measure the run from fitting to fitting and add at least 10–15% for routing curves and clamp overlap. This hose is sold in 1M (≈3.3 ft), 2M (≈6.6 ft), 3M (≈9.8 ft), 5M (≈16.4 ft), 10M (≈32.8 ft), and 20M (≈65.6 ft) lengths so you can order exactly what you need without waste.

Is this hose safe for food and beverage contact?

Yes. The silicone compound used is generally food-grade and odor-neutral, making it suitable for hot water lines, espresso machines, and coffee brewing equipment. If your application requires a specific FDA or NSF certification, please contact us to confirm before ordering.

What is the maximum temperature this hose can handle?

Silicone rubber hose of this type typically handles continuous temperatures from -60°C (-76°F) up to 200°C (392°F), making it well-suited for hot water, steam-adjacent, and engine vacuum applications. Actual limits depend on wall thickness and pressure — contact us to confirm for critical uses.

Can I use this hose outdoors or in an engine bay?

Silicone is inherently UV-resistant and does not crack or harden from ozone exposure the way standard rubber does, so outdoor and under-hood use is generally fine. It is not recommended for direct fuel contact (gasoline, diesel) — use a fuel-rated hose for those applications.

What vacuum or pressure rating does this hose support?

This is a thin-wall vacuum hose designed for low-to-moderate vacuum and pressure applications (typically up to 30 PSI depending on diameter and wall thickness). For high-pressure hydraulic or pneumatic lines, a reinforced hose is recommended. See variant options for wall thickness details.

How do I cut and install this hose?

A sharp utility knife or hose cutter gives the cleanest cut. Silicone stretches easily over barb fittings — no lubricant is usually needed, but a drop of water helps on tight fits. Secure with a worm-drive hose clamp for pressurized lines.

🛒 Select your diameter and length above, then add to cart — ships from our US warehouse.

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