Orange Silicone Rubber Vacuum Hose — Food Grade Tube for Water, Coffee & Lab Use

Roll over image to zoom in Click on image to zoom

Orange Silicone Rubber Vacuum Hose — Food Grade Tube for Water, Coffee & Lab Use

HomeDIYer

No reviews

By HomeDIYer®

Ø(ID x OD): 2mm x 4mm

Length（M）: 1M

Price:

$11.33 USD

Stock:

In stock (500 units), ready to be shipped

Quantity:

Share this product

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

DIY Expert Support

Get fitment advice & recommendations

Mon–Fri 8:30 AM – 8:00 PM

WhatsApp Email Us

24-Hour Fast Ship

Arrives in 3–14 Days

Worldwide Shipping

30-Day Returns

1 tree planted with every purchase

Orange Silicone Rubber Vacuum Hose — Flexible Food Grade Tube for Fluid Transfer & Vacuum Lines

Whether you're routing a vacuum line on a small engine, plumbing a home espresso machine, or setting up a lab fluid transfer system, finding tubing that is simultaneously flexible, heat-resistant, and safe for food contact is harder than it should be. Standard PVC tubing goes stiff in the cold, leaches odors into beverages, and cracks under heat cycling. This orange silicone rubber vacuum hose is built for builders, brewers, and technicians who need a tube they can trust across a wide range of conditions.

Each order is a continuous cut of food-grade silicone tubing in your chosen diameter and length. Available inner diameter (ID) × outer diameter (OD) combinations are 2mm × 4mm (≈5/64" × 5/32"), 3mm × 5mm (≈1/8" × 13/64"), 4mm × 6mm (≈5/32" × 15/64"), 5mm × 7mm (≈13/64" × 9/32"), and 6mm × 8mm (≈15/64" × 5/16") — all with a consistent 1mm wall thickness. Length options run from 1M (≈3.3 ft) up to 20M (≈65.6 ft), letting you order exactly what your project requires without splicing.

Typical applications include automotive vacuum hose replacement for emissions and brake-booster lines, coffee machine and espresso group-head tubing, homebrewing and winemaking transfer lines, peristaltic pump tubing in lab and medical equipment, and aquarium or hydroponic nutrient dosing lines — anywhere a flexible silicone vacuum tube with food-safe certification is the right call.

🔗 Compatibility: Fits standard metric barb fittings matching the selected ID. Use a barb-to-thread adapter for NPT or BSP threaded ports. Not compatible with push-to-connect (John Guest style) fittings without an adapter.

⚠️ Size tip: Always measure your fitting's barb OD before ordering — the hose ID should match the barb OD for a secure, leak-free seal. See the FAQ below for a quick sizing guide.

✅ Key Features of These Orange Silicone Rubber Vacuum Hoses

🍊High-Visibility Orange Color — The bright orange finish makes routing easy to trace during installation and simplifies inspection in crowded engine bays or equipment cabinets.
🥤Certified Food-Grade Silicone — Odor-free and taste-neutral construction makes this food grade silicone tube safe for direct contact with water, coffee, juice, and other consumable liquids.
🌡️Wide Temperature Range — Silicone rubber maintains flexibility from approximately -60°C (-76°F) to 200°C (392°F), handling heat cycling that would crack standard rubber or PVC vacuum hose.
📐Consistent 1mm Wall Thickness — Uniform wall construction across all diameter variants ensures predictable flexibility and a reliable push-on fit with matching barb fittings — no guesswork on wall variation.
✂️Cut-to-Length Flexibility — Continuous lengths up to 20M (≈65.6 ft) mean you can trim exactly what you need with scissors or a utility knife, eliminating mid-run splices on longer silicone vacuum tube runs.
🔬Chemical & UV Resistance — Silicone resists ozone, UV exposure, and many common lab chemicals better than EPDM or natural rubber, making it a durable choice for both indoor lab setups and semi-exposed outdoor installations.

📐 Technical Specifications — Silicone Rubber Vacuum Hose Tube

Material	Food-grade silicone rubber
Color	Orange
Wall Thickness	1mm (consistent across all sizes)
Available ID × OD	2×4mm / 3×5mm / 4×6mm / 5×7mm / 6×8mm
ID Range (inch approx.)	≈5/64" (2mm) to ≈15/64" (6mm)
OD Range (inch approx.)	≈5/32" (4mm) to ≈5/16" (8mm)
Available Lengths	1M, 2M, 3M, 5M, 10M, 20M (continuous cut)
Temperature Range	Typically -60°C to 200°C (-76°F to 392°F)
Connection Type	Push-on / barb fit (not threaded)
Food Safety	Food-grade silicone; odor-free and taste-neutral
Typical Applications	Vacuum lines, coffee/espresso machines, homebrewing, lab tubing, aquarium dosing
Country of Origin	China
Sold As	Single continuous length per order

❓ Frequently Asked Questions

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

Measure the outer diameter of the fitting or barb you need to connect to — the hose ID should match or be very slightly smaller for a snug, leak-free fit. For example, a 4mm barb fitting typically pairs with the 4mm ID (4mm × 6mm) variant. When in doubt, size down rather than up to ensure a secure seal. If you're replacing an existing tube, measure the old tube's ID directly.

What pressure can this silicone hose handle?

Silicone hose of this wall thickness (1mm) is generally rated for low-to-medium pressure applications — typically up to 30–60 PSI depending on temperature and ID size. It is well-suited for vacuum lines, gravity-fed fluid transfer, and peristaltic pump tubing. For high-pressure hydraulic use, please contact us to confirm suitability.

Is this hose safe for outdoor or UV-exposed installations?

Silicone is inherently more UV- and ozone-resistant than standard rubber or PVC tubing, making it a reasonable choice for semi-exposed outdoor runs. However, for prolonged direct sunlight exposure, we recommend adding a protective sleeve or conduit to extend service life.

What fitting standards is this hose compatible with?

This hose uses a push-on / barb-fit connection style and is compatible with standard barb fittings in matching metric sizes (2mm, 3mm, 4mm, 5mm, 6mm ID). It is not threaded itself. For NPT or BSP threaded connections, use a barb-to-thread adapter at the fitting end. It is not compatible with push-to-connect (John Guest style) fittings without an adapter.

How do I convert the length options from meters to feet?

Quick reference: 1M ≈ 3.3 ft, 2M ≈ 6.6 ft, 3M ≈ 9.8 ft, 5M ≈ 16.4 ft, 10M ≈ 32.8 ft, 20M ≈ 65.6 ft. Choose the next size up if your run is close to a boundary — silicone hose can be trimmed cleanly with scissors or a utility knife, so a little extra is never wasted.

Can I use this hose for hot beverages like espresso or coffee brewing?

Yes. This hose is made from food-grade silicone that is odor-free and taste-neutral, making it suitable for coffee machines, espresso equipment, and home brewing setups. Silicone generally handles continuous temperatures up to around 200°C (392°F), well above typical beverage service temperatures. It will not impart flavors or odors to your drinks.

Which size should I choose for a vacuum line on a small engine or automotive application?

For most small-engine vacuum ports and automotive vacuum nipples, the 3mm × 5mm or 4mm × 6mm variants are the most common fit. Measure your existing vacuum nipple OD and match it to the hose ID. The orange color also makes routing easy to trace during inspection — a practical advantage over black rubber hose in a crowded engine bay.

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