20L Hybrid Keg
The Petainer 20L Hybrid Keg combines traditional steel-like ergonomics with industry-leading environmental performance. Weighing only 1.2 kg compared to a 5.8 kg steel counterpart , this highly sustainable PET keg features integrated top and bottom chimes molded from 100% recycled material, providing a robust, stackable one-way format optimized for high-efficiency craft breweries.
- Cuts packaging carbon emissions by roughly 50% compared to steel fleets
- Integrated chimes utilize 100% recycled polypropylene for extreme durability
- Reclaims valuable labor with zero pre-washing or sanitizing required
- Manufactured using renewable energy to ensure a low-carbon footprint
- Lightweight 1.2 kg build significantly drops regional freight costs
Product Specifications
| Colour | Volume | Diameter | Height | Weight | Neck Type | rPET |
|---|---|---|---|---|---|---|
| Brown | 20000ml | 243mm | 593.5mm | 1189g | A Type | - |
| Brown | 20000ml | 243mm | 593.5mm | 1189g | G Type | - |
| Brown | 20000ml | 243mm | 593.5mm | 1210g | D Type | - |
| Brown | 20000ml | 243mm | 593.5mm | 1210g | S Type | - |
20L Hybrid Keg Properties
| Max Content Pressure | 3.1 bar / 45 psi |
|---|---|
| Dispense Working Pressure | < 3.1 bar / 45 psi |
| Burst Pressure | > 7.75 bar/ > 112 psi |
| Drop Functional Test | 1.2 m flat metal surface |
| ASTM D4169-14 (pre-condition 40°C; 72h) | Transport Simulation Test filled kegs |
| Sanitising Recommendation | 70 % Ethanol |
| Ph Range Compatibility | 3 to 9 |
| Fill Window (Based on Storage Conditions) | Optimum: Within 6 months Max: Within 9 months (if optimum storage conditions met) |
| CO2 Loss | < 15 % ( 22 °C / 72 °F) 12 months |
|---|---|
| O2 Ingress | < 0.2 ppm (22 °C / 72 °F) 9 months |
| Cleaning | Cleaning detergents & chemicals may cause stress cracks on the components |
| UV and Light Protection | Up to 500 nm |
| Materials – Keg | PET |
| Materials – Fitting | POM, PP, TPE, NBR, Stainless Steel |
| Recommended Storage Conditions Unfilled | Optimum: < 22 °C / 72 °F Max: 50 °C / 122 °F |
| Shelf Life - Filled Based on optimum storage; (below 22°C), out of direct sunlight. | O2 Barrier: 18 months from manufacture CO2 Barrier: 12 months from fill date |
Compliance & certifications
Produced in accordance with the following regulations and standards:
Case Study
How PET Kegs Helped Scale Cold Brew Distribution
Ferris Coffee adopted Petainer's 20L one-way PET Hybrid Kegs to expand cold brew distribution beyond its own cafés. The move reduced the cost and complexity of steel keg logistics, while helping protect product quality and support growth in new markets.
Frequently Asked Questions
It is made with renewable energy , weighs 80% less , and removes the fuel-heavy return logistics and water-intensive washing cycles required by steel fleets.
Yes. The 100% recycled polypropylene chimes are structurally optimized for high vertical load capacities, ensuring safe storage on pallets or cellars.
While optimized for craft beer, its high-barrier PET construction safely maintains carbonation and flavor purity for cider, wine, and cold brew coffee.



