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• 2026/3/11
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YUshun Heavy-Duty PET Large Water Bottle Blow Molding Machine

YUshun Heavy-Duty PET Large Water Bottle Blow Molding Machine: The Ideal Solution for 5 Gallon & 20L Containers

In the rapidly growing bottled water industry, the demand for reliable, efficient, and flexible production equipment is paramount. At YUshun Machinery, we understand the specific needs of drinking water and mineral water producers. Our PET Large Water Bottle Blow Molding Machine (also known as the 5 Gallon / One-Trip Bottle Blower or Semi-Automatic PET Stretch Blow Molding Machine) is precision-engineered to manufacture high-quality, durable PET containers ranging from 10L to 20L.

Designed specifically for the challenges of producing bulk water containers—including the industry-standard 18.9L (5 gallon) bottles—our machine offers the perfect balance of affordability, operational simplicity, and robust performance.

Versatile Production for Bulk Containers

Whether you are producing re-usable bottles or lightweight one-trip bottles, YUshun's equipment handles the full spectrum of large-format packaging. Our machine efficiently processes PET preforms into:

• 5 Gallon (18.9L) Water Bottles: The global standard for water coolers and dispensers.

• 10L to 20L Mineral Water Jugs: Ideal for home and office delivery services.

• Large Custom PET Jars: Suitable for bulk edible oils or other liquid food products.

Key Features of YUshun's Semi-Automatic Large Bottle Blower

1. Rugged Construction for Heavy-Duty Cycles
Producing large 20L containers requires significant clamping force and stability. YUshun machinery features a reinforced toggle clamp system and heavy-duty frame, ensuring precise mold alignment and consistent wall thickness even during extended production runs.

2. Optimized Infrared Heating Technology
Uniform preform heating is critical for the quality of large bottles. Our advanced infrared oven is configured with adjustable heating zones and auto-rotation spindles, ensuring the thicker preforms used for 20L bottles are heated evenly. This guarantees excellent material distribution, transparency, and mechanical strength in the final container.

3. Flexible & Cost-Effective Semi-Automatic Operation
For small to medium-sized enterprises or startups looking to enter the bulk water market, our semi-automatic model is the perfect entry-level solution. With a simple design that requires manual preform loading, the machine drastically reduces initial investment costs compared to fully automatic lines. It allows for quick mold changes, enabling producers to switch between different bottle sizes with minimal downtime.

4. High Output with Stable Performance
Despite its semi-automatic nature, the machine delivers consistent output suitable for growing a business. It is designed for continuous operation, utilizing high-quality pneumatic components to maintain a low defect rate and ensure that every bottle meets strict quality standards.

5. Energy-Efficient & Easy to Maintain
Incorporating energy-saving logic and durable components, the YUshun blower minimizes power consumption during the heating and blowing cycles. The modular design allows for easy access to parts, simplifying routine maintenance and ensuring long-term reliability.

Technical Highlights

• Container Volume: 10L, 18.9L (5 Gallon), 20L

• Machine Type: Semi-Automatic / Manual Loading

• Clamping: High-Force Toggle System

• Heating: Step-less Infrared Adjustment

• Applications: PET Water Bottles, Mineral Water Jugs, Beverage Containers

YUshun Machinery is committed to providing durable, user-friendly, and efficient solutions for the packaging industry. Partner with us to equip your production line with a machine built to handle the heavy demands of the large-bottle water market.