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Home > Packaging & Printing > Package & Conveyance > Packaging Cartons > Oak Barrel With Viewing Window - 1-Year Warranty, Mill Test Report, Standard Compliant, 5 Gallon

Oak Barrel With Viewing Window - 1-Year Warranty, Mill Test Report, Standard Compliant, 5 Gallon

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Oak Barrel With Viewing Window - 1-Year Warranty, Mill Test Report, Standard Compliant, 5 Gallon photo-5

Product Spotlights

5-Gallon oak barrel with a clear viewing window for real-time aging monitoring. Includes 1-year warranty and Mill Test Report for material transparency. Crafted from premium American oak with medium toast, ideal for wine, whiskey, and beer. Customizable toast level, window size, and branding. Trusted manufacturer since 1998 with global export experience.

Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)

Key Specifications

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Material:

Other, American Oak (medium toast)

Application:

Other, Wine

Capacity:

5 Gallon (18.9 Liters)

Contact Supplier Request Quote Chat Now

Anping County Boli Hardware Wiremesh Products Factory

2Yrs

Payment & Shipping

Payment Methods:

Port of Shipment:

tianjin shanghai qingdao

Delivery Detail:

Delivery time depends on order quantity.

Product Details
Company Profile
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Material Other, American Oak (medium toast)

Application Other, Wine

Capacity 5 Gallon (18.9 Liters)

Dimensions Approx. 14.5 inches (H) x 11.5 inches (D)

Window Material Tempered glass or polycarbonate (optional)

Color Natural oak finish

Standard Standard compliant (meets international barrel construction norms)

Warranty 1 Year

Included Mill Test Report (material analysis)

Weight Approx. 12-15 lbs (empty)

Welcome to Anping County Boli Hardware Wiremesh Products Factory – a trusted manufacturer since 1998 with annual export value exceeding US$5 million. Our 5-Gallon Oak Barrel with Viewing Window combines traditional coopering craftsmanship with modern monitoring convenience. Designed for winemakers, distillers, and hobbyists, this barrel allows you to visually track the aging process without opening the bung, reducing oxygen exposure and preserving flavor integrity. Each barrel comes with a 1-Year Warranty and a Mill Test Report verifying the quality of the oak, ensuring your investment is protected.

Key Features & Technical Specifications

Premium Oak Construction: Made from selected American oak with medium toast level, providing optimal flavor extraction for wine, whiskey, or beer. The wood is kiln-dried and seasoned to prevent cracking.
Integrated Viewing Window: A tempered glass or food-grade polycarbonate window (optional) is installed on the side, secured with a stainless steel ring and silicone gasket for leak-proof performance. Allows real-time monitoring of color change and sediment.
Standard Compliant Design: Manufactured in accordance with international barrel standards, ensuring proper stave thickness, head curvature, and bung hole placement. Suitable for both alcoholic and non-alcoholic aging.
Complete Set Includes: Barrel, viewing window assembly, wooden bung, metal hoops (galvanized or stainless steel), and a spigot hole (pre-drilled or pluggable). Mill Test Report is provided with each order.
Easy Maintenance: The interior is lightly charred to enhance flavor, but can be re-conditioned. The window can be removed for cleaning. A user manual is included.

Parameter	Value
Capacity	5 Gallons (18.9 Liters)
Overall Height	Approx. 14.5 inches (36.8 cm)
Diameter (at bilge)	Approx. 11.5 inches (29.2 cm)
Wood Thickness	0.75 – 1.0 inch (19–25 mm)
Window Diameter	3.0 inches (76 mm) – customizable
Hoop Material	Galvanized steel (standard) / Stainless steel (optional)
Bung Type	Wooden tapered bung (silicone seal available)
Weight (empty)	Approx. 12–15 lbs (5.4–6.8 kg)

Advantages & Customer Benefits

Enhanced Monitoring: The viewing window eliminates the need to open the barrel for sampling, reducing oxidation and contamination risk. You can track color, clarity, and sediment development at any time.
Perfect for Small Batches: 5-gallon size is ideal for home winemakers, craft distillers, and brewers who want to experiment with barrel aging without committing to full-size barrels.
Durable Build: Triple-stave construction with galvanized hoops ensures long service life. The oak provides natural insulation and moisture regulation.
Mill Test Report Included: Each barrel comes with a certified report showing the wood's origin, moisture content, and grain structure, giving you full transparency.
1-Year Warranty: Covers defects in material and workmanship. Our after-sales team is available for technical support and replacement parts.

Our factory has been exporting to North America, South America, Europe, Southeast Asia, Africa, Oceania, and the Middle East for over two decades. With annual export value between US$5–10 million, we have the capacity to handle large OEM/ODM orders while maintaining strict quality control. All barrels are fumigated and packed in sturdy wooden crates for safe sea freight from Tianjin, Qingdao, or Shanghai.

Why choose us? We combine traditional barrel-making techniques with modern quality assurance. Each barrel undergoes a leak test, dimensional check, and visual inspection before shipment. Our 1-year warranty and Mill Test Report demonstrate our commitment to quality. Whether you need a single barrel for home use or a container for a distillery, we can customize the toast level, window size, hoop finish, and branding (laser engraving available upon request). Contact us today for a quote or sample order.

Frequently Asked Questions

Q: Is the viewing window safe for long-term use?
A: Yes, the window is made of tempered glass or optional polycarbonate that is impact-resistant and food-grade. The silicone gasket prevents leakage. It is designed to withstand the internal pressure of aging spirits.
Q: Can I use this barrel for whiskey or wine?
A: Absolutely. The medium toast oak is suitable for both. For whiskey, you may want a heavier char; we can customize the toast level upon request. For wine, the barrel can be used for aging, malolactic fermentation, or even as a decanter.
Q: How do I clean the barrel and the window?
A: Rinse the interior with warm water (no soap) and use a barrel-cleaning kit. The window can be removed by unscrewing the retaining ring. Clean with a soft cloth and mild detergent, then rinse thoroughly.
Q: Does the warranty cover the window?
A: The 1-year warranty covers manufacturing defects for the entire barrel, including the window assembly. However, damage caused by improper use or cleaning is not covered.
Q: What is the Mill Test Report?
A: It is a document that provides the chemical and physical analysis of the oak wood used, including moisture content, density, and grain classification. It confirms the wood meets standard quality parameters.
Q: How long does shipping take?
A: Delivery time depends on destination. For standard orders, lead time is 7–15 days. Sea freight to North America or Europe takes approximately 20–35 days. Express shipping is available for small orders.
Q: Do you offer custom branding or engraving?
A: Yes, we can laser engrave your logo or text on the barrel head or side. Custom hoop colors and window shapes are also available. Minimum order quantity may apply.
Q: Can I use this barrel for beer aging?
A: Yes, many brewers use 5-gallon barrels for sour beer, barrel-aged stouts, or wild ales. The window is especially useful for monitoring the pellicle formation and color changes.

Contact us today to place your order or request a sample. Anping County Boli Hardware Wiremesh Products Factory is your reliable partner for premium oak barrels with viewing windows. We look forward to serving your aging needs!

Product Tags: Oak Barrel with Viewing Window , 5 Gallon Aging Barrel , Mill Test Report Barrel