Setup for Small & Medium Water Plants
Many small & medium-sized water plants and plastic bottle product manufacturers in Africa, the Middle East, and Southeast Asia face two major challenges. These are limited start-up capital and the unstable local power supply. While fully automated blow molding production lines offer high output, they require specialized operation and maintenance teams. This presents a significant challenge for startups and mid-sized manufacturers. In addition, the substantial budgets for equipment, installation space, and product storage are also direct pressures.
Our semi-automatic 5 Gallon Bottle Blow Molding Machine is designed to meet local market demands. Featuring wide voltage compatibility, low power consumption, and ease of operation. It helps you easily start a large 10 ~ 20-liter PET drum production line with lower investment and faster commissioning. Adopted a segmented temperature-controlled constant-temperature infrared preheating furnace. It ensures uniform heating of 5-gallon PET preforms and eliminates uneven wall thickness and bottle deformation. The heavy-duty crank arm locking frame and thickened channel steel base minimize vibration during high-speed molding. It allows for continuous operation at 90-120 bottles per hour for extended periods. The machine is designed for producing standard 5-gallon reusable water bottles, the most widely used containers in the distribution of purified water, mineral water, and drinking water.
Whether you start up a new factory or an existing plant upgrading production lines, this machine will be your reliable partner.
What is a semi-automatic 5-gallon PET blow molding machine?
The semi automatic 5 gallon PET blow molding machine is specifically designed for blowing 3 to 5 gallon PET preforms. It is suitable for a neck diameter of 55mm or above and a wall thickness of 0.8~1.2mm. It is used to produce 10L~20L disposable/recyclable, pressure-resistant large containers.
Its manual operation mode consists of four steps: 1. Place the preform in the oven, and adopt upgraded multi-segment infrared lamp temperature control system. It allows for independent temperature control of the neck, body, and bottom of the PET preform; 2. Standard 5-gallon preforms weigh 630g~750g and feature thick walls, which may lead to uneven heating. Thus, an internal heating device is required.; 3. Place the heated PET preform into a mold and shape it through high-pressure blowing and cooling; 4. Remove the shaped product. The pre-blowing, mold locking, high-pressure blowing, bottle shaping, and rapid cooling of the blow molding machine can be automatically operated through a Programmable Logic Controller(PLC) system.
Due to its modular structure including preform heating, clamping system, high-pressure blowing system and PLC control, this equipment can achieve semi-automatic and automatic production via PLC. New operators can start normal production simply by mastering parameter settings for PET preforms of different weights. The machine is equipped with an industrial touchscreen PLC control system and a PIN temperature module, solving common problems in the production of large PET bottles such as uneven wall thickness, bottle whitening, deformation, and incomplete forming.
Why Manufacturers Trust This 5 Gallon Bottle Blow Molding Machine?
The quality and price of PET bottle blowing machines on the market vary widely. Many inexpensive models suffer from frequent malfunctions, high defect rates, excessive energy consumption, and unstable operation due to factors such as low power of electrical appliances(not up to standard), poor-quality solenoid valves, or unstable mold clamping frames. Our upgraded semi-automatic 5-gallon PET blow molding machine, through expanded electronic components, upgraded parts brands, and optimized equipment structure, emphasizes practicality, stability, and long-term cost savings, bringing tangible benefits to blow molding production lines.
Advantages
Dual internal & external infrared rotary heating system. Upgraded dual-sided independent temperature control solves uneven heating for 630g~750g thick PET preforms, effectively avoiding bottle whitening and uneven wall thickness.
Multilingual PLC with preset parameter templates. It can store blowing parameters and fault prompts for 200 specifications; Chinese/English interface is optional for convenient use by local operators.
Reinforced heavy-duty mold clamping frame. The thickened frame and stress-relieved connecting rod structure ensure stable precision even under continuous 24 hours production.
Operational & Cost Advantages
Easy Operation
Operators can become familiar with the standard operating procedures through 1 to 2 hours of simple training. The control panel displays the equipment's working status, fault prompts, and parameter data in real time, facilitating operator monitoring of the equipment's production operation.
No need to hire senior technical workers, which greatly saves your labor costs.
Energy-Saving Design
The equipment employs segmented heating to optimize the layout of the heating system, and the oven cooling water channels are made of high-quality aluminum for better heat dissipation. The mold clamping system uses the reinforced double-arc arm (connecting rod) mechanism, which ensures the stability of continuous batch production while effectively reducing standby power consumption.
Lower power consumption means lower monthly operating expenses and higher profit margins for your plant.
Low Maintenance Cost
Components such as solenoid valves and temperature control modules use high-quality, well-known industrial parts. The equipment frame is coated with one layer of industrial-grade primer and two layers of topcoat. This provides exceptional wear resistance and aging resistance. The modular structure makes disassembly, inspection, and replacement extremely convenient, further simplifying routine maintenance.
Spend less time and money on equipment maintenance, and focus more on expanding your business.
Technical Specifications
We list real and practical production parameters to help you quickly verify whether the machine matches your production needs:
Applicable Bottle Volume: 3 Gallon to 5 Gallon (10L–20L) large PET water jugs and wide-mouth containers
Production Capacity: 90–120 bottles per hour
Control System: Industrial PLC intelligent control with precise digital timing
Heating System: Infrared rotary penetrating oven, compatible with 300g–730g thick PET preforms
Working Mode: Manual loading & unloading, automatic heating, blowing, shaping, and cooling
Finished Bottle Standard: Food-grade, no whitening, no deformation, uniform wall thickness
Application Materials: Standard food-grade PET preforms
Electric supply: Customized according to the client's country of origin.
Installation power: 35Kw
Actual power consumption: 15kw
Recommended high-pressure air source pressure: 3.0 Mp
Recommend water chiller model: 5Hp
Machine size and weight:
Bottle blowing machine size: 2200*730*1880mm; Weight: 1500Kg
Heater size: 2590*640*1460mm; Weight: 560Kg
Best Application Scenarios
• The semi automatic 5 gallon bottle blow molding machine is designed for stable small and medium-batch production scenarios, eliminating wasted capacity and unnecessary investment.
• It is ideal for small and medium-sized bottled water plants producing 18.9-liter reusable water bottles. Its stable product capacity and qualified finished products support the accompanying bottling line.
• Except producing drinking water bottles, it can also produce large-capacity PET containers for edible oil, detergents, etc., enriching product variety and expanding order sources.
• For starting up suppliers and water plants with limited budgets offering large-capacity bottled water, this equipment boasts advantages such as low entry barriers, quick installation and commissioning, and rapid return on investment. It is the safest and most reliable equipment choice for initial factory setup.
Reliable Supply & Services
Place of Origin
Our semi-automatic 5-gallon PET bottle blowing machine is manufactured in Huangyan, China. We have a professional technical team and production workshop. Each machine uses high-quality raw materials and components from well-known brands. All equipment is assembled and tested in-house, strictly adhering to quality control standards to ensure stable operation and long service life for our global customers. As a machinery manufacturer specializing in the large water bottle industry, we provide cost-effective and reliable products to small and medium-sized water plants worldwide.
Lead Time
We maintain ample inventory of standard model mold sets, PLCs, and other core components to support rapid assembly and delivery. For the standard model of this 18.9L/20L blow molding machine, the production and delivery cycle is 10-15 working days after contract confirmation and receipt of your deposit. For bulk orders starting from 5 units or customized models, we will confirm the specific delivery time with you in advance. We cooperate with established international logistics providers in Ningbo, Shanghai, and Guangzhou to arrange safe and efficient sea and land transportation, and track the goods throughout the entire process until they arrive at your destination port.
OEM & Custom Service
We support flexible customization services to meet your diverse production needs:
Specification Customization: We can adjust machine parameters according to actual PET preform weight and wall thickness requirements, adapting to large-capacity containers (10L-20L) for various industries.
Function Adjustment: We optimize the rated power, production speed, and temperature modules of electrical components based on your local power supply and production environment.
Auxiliary Configuration: We can add matching auxiliary equipment, such as air compressors and dedicated cooling systems, as needed.
We design economical and efficient solutions for you. Our technical team will provide one-on-one technical support. Standard customization does not incur additional design fees.
Warranty & After-sales
We provide full-cycle after-sales support, ensuring worry-free operation:
Installation and Commissioning: We provide detailed installation diagrams and video tutorials, along with 24/7 remote online guidance to help your employees quickly complete machine installation, commissioning, and parameter settings.
Warranty Policy: The entire machine is covered by a 12-month warranty from the date of shipment. During the warranty period, we will replace standard parts free of charge for damage caused by non-human factors.
Technical Support: Our professional engineering team provides lifetime technical consultation and troubleshooting services.
Spare Parts Supply: We maintain a year-round inventory of commonly used lamps, solenoid valves, and other consumable parts, readily available at preferential prices. Air freight is dispatched within 48 hours to ensure uninterrupted production.
Case
Malaysia Medium-Sized Water Plant Renovation Project
Equipment Configuration: 1 set semi-automatic 5 gallon bottle blow molding machine
Production Pain Points Before Upgrade: The old traditional machine suffered from uneven preform heating, frequent bottle whitening, and wall thickness deviation. Resulting in a high defective rate and serious PET preform waste. Unstable equipment operation also caused frequent production shutdowns.
Actual Operation Results: After replacing it with our upgraded machine, the infrared rotary heating system completely solved the whitening and uneven forming issues. The product defective rate is stably controlled below 0.1%. The factory only needs one worker for operation, saving regular labor expenses. The daily stable output reaches 1000–1500 bottles, meeting local bottled water market supply demands.
Get Your Free Quote & Technical Support
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Packaging & Shipping
FAQ
Q1: What type of PET preforms fit the 20L PET bucket blow molder?
A1: It supports 300g–750g PET preforms (wall thickness 0.8~1.2mm). Parameters can be adjusted for PET preforms.
Q2: What auxiliaries are needed for this blow molder?
A2: An air compressor, cooling system, etc are required. We provide matching auxiliary equipment as requested.
Q3: Is the 5 gallon bottle blowing machine easy to operate?
A3: Yes. New operators can get skilled in 1–2 hours. Core production steps run automatically via PLC control.
Q4: What products can the 20L PET bucket blow molder produce?
A4: It makes 10L–20L PET containers for drinking water, edible oil, detergents, and other containers.
Q5: What is the hourly output of the 5 gallon ? Does continuous running affect quality?
A5: Output: 90–120 bottles per hour. Stable structure ensures low defect rate even for long-time continuous production.
Q 6: What is the price of this 5 gallon PET bottle blow molding machine for sale?
A 6: We offer competitive factory prices. Pls send us your requirements and electric supply to get an exact quotation within 24 hours.
Q 7: How about the running cost and maintenance cost of the machine?
A 7: It features low power consumption and high-quality parts, so both daily running and maintenance costs are well controlled.
Q 8: Do you support OEM and customized service for this equipment?
A 8: Sure. We provide OEM and parameter customization to meet your different production needs.
Q 9: As a reliable supplier, how long is your delivery time?
A 9: Standard models take 10–15 working days after deposit. We also arrange full-process logistics tracking.
Q 10: What about warranty and after-sales service?
A 10: 12-month full machine warranty. Free replacement for non-artificial faults. Spare parts and lifelong technical support are available.
