30L Classic Keg
Maximize your draft distribution economy with the Petainer 30L Classic Keg. Combining our highest single-use volume with premium boxed protection, it is custom-built to lower per-liter shipping costs for high-turnover craft beers heading to busy regional markets and large-scale venues.
- Maximum volume efficiency for high-turnover draft beer lines.
- Rigid outer box shields beer entirely from UV light strike.
- Massive freight weight savings compared to traditional 30L steel.
- Zero return logistics or tracking costs across long distances.
- Pre-purged, sterile, and ready for immediate brewery filling.
Product Specifications
| Colour | Volume | Diameter | Height | Weight | Neck Type | rPET |
|---|---|---|---|---|---|---|
| Brown | 30000ml | 298mm | 554mm | 1130g | G Type | - |
| Brown | 30000ml | 298mm | 554mm | 1130g | A Type | - |
| Brown | 30000ml | 298mm | 554mm | 1351g | S Type | - |
| Brown | 30000ml | 298mm | 554mm | 1351g | D Type | - |
30L Classic 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
Yes. The heavy-duty rectangular cardboard boxes are specifically engineered for structural integrity, allowing secure, uniform stacking on standard shipping pallets.
It eliminates the heavy deadweight of empty steel and packs tighter horizontally due to its squared footprint, significantly lowering fuel costs per liter shipped.
Absolutely. The 30L Classic PET keg is pressure-tested to industry standards, safely maintaining proper carbonation levels for lagers, IPAs, and wheat beers during transit.



