

PET Stretch Blow Moulding Machine Range
Our PET Stretch Blow Moulding Machines are available in different configurations to meet the requirements of small, medium and industrial-scale bottle production.
| Machine Model | Bottle / Jar Range | Production Output | Cavity |
|---|---|---|---|
| HP-1000-2B | 50 ml – 1000 ml | 600–700 BPH | 2 |
| HP-2000-2JB | 50 ml – 3000 ml | 450–700 BPH | 2 |
| HP-5000-JB | 50 ml – 7500 ml | 350–700 BPH | 2 / 1 |
| HP-20-CS | 5 Litre – 25 Litre | 150–240 BPH | 1 |
Actual production output can vary according to preform weight, bottle design, material characteristics and mould configuration.
What Is a Stretch Blow Moulding Machine?
A stretch blow moulding machine converts a heated PET preform into a finished bottle or container. The process combines controlled heating, mechanical stretching and high-pressure air blowing inside a mould.
The preform is first heated to the required condition. It is then positioned inside the mould, stretched using a stretch mechanism and expanded with compressed air until it takes the shape of the mould.
This process allows manufacturers to produce lightweight PET containers with consistent dimensions, good transparency, controlled wall thickness and the required mechanical strength.
How Does a PET Stretch Blow Moulding Machine Work?
The PET bottle manufacturing process generally follows these stages:
1. PET Preform Loading
PET preforms are loaded into the machine manually or through an automated feeding arrangement depending on the machine configuration.
2. Preform Heating
The preform passes through the heating section where controlled heating prepares the PET material for stretching and blowing.
Uniform heating is important because uneven preform temperature can affect bottle wall distribution, clarity and final bottle quality.
3. Mould Clamping
The heated preform is transferred into the bottle mould. The mould closes and holds the preform securely during the blowing process.
4. Stretching
A stretch mechanism extends the heated preform vertically. Controlled stretching helps distribute the PET material along the length and body of the bottle.
5. High-Pressure Blowing
Compressed air expands the stretched preform against the mould cavity, creating the required bottle shape and dimensions.
6. Cooling and Bottle Ejection
After forming, the bottle cools sufficiently for removal from the mould. The finished PET bottle can then move to subsequent filling, capping, labelling or packaging operations.
Key Features of Our Stretch Blow Moulding Machines
Suraj Plastic Industries focuses on machine performance, bottle consistency and practical operation.
Efficient Preform Heating
Controlled heating helps prepare PET preforms for consistent stretching and bottle formation.
Hydro-Pneumatic Operation
Our listed machine models use hydro-pneumatic operation for stable moulding performance and controlled machine movement.
Consistent Bottle Formation
Controlled stretching and blowing help maintain consistent bottle shape, dimensions and wall distribution when the machine is correctly configured for the application.
Multiple Bottle Sizes
Depending on the machine model and mould, our machines can manufacture containers ranging from 50 ml bottles to 25-litre containers.
Flexible Mould Configuration
Different mould cavity and bottle configurations can be selected according to production requirements.
Industrial Construction
The machines are designed for continuous manufacturing environments where reliability, repeatability and ease of maintenance are important.
Practical Operation
Machine controls and operating systems are designed to support straightforward machine operation, production monitoring and routine maintenance.
Stretch Blow Moulding Machine Specifications
| Parameter | HP-1000-2B | HP-2000-2JB | HP-5000-JB | HP-20-CS |
|---|---|---|---|---|
| Product Size | 50 ml–1000 ml | 50 ml–3000 ml | 50 ml–7500 ml | 5–25 Litre |
| Output | 600–700 BPH | 450–700 BPH | 350–700 BPH | 150–240 BPH |
| Mould Cavity | 2 | 2 | 2 up to 3L / 1 up to 7.5L | 1 |
| Neck Size | 19–32 mm | 19–96 mm | 19–120 mm | 45–135 mm |
| Heater Power | 10 kW | 12 kW | 12 kW | 32 kW |
| Clamping Stroke | 150 mm | 200 mm | 250 mm | 350 mm |
| Working Pressure | 8 kg/cm² | 8 kg/cm² | 8 kg/cm² | 8 kg/cm² |
| Blowing Pressure | 22–25 kg/cm² | 22–25 kg/cm² | 22–25 kg/cm² | 22–25 kg/cm² |
| Air Requirement | 0.7 m³/min | 0.8 m³/min | 0.9 m³/min | 2 m³/min |
| Operation | Hydro-Pneumatic | Hydro-Pneumatic | Hydro-Pneumatic | Hydro-Pneumatic |
| Area Required | 5 × 5 m | 5 × 5 m | 5 × 5 m | 5 × 5 m |
| Staff Required | 2 | 2 | 2 | 2 |
Specifications may vary according to machine configuration, mould, bottle design and production requirements.
Applications of PET Stretch Blow Moulding Machines
PET stretch blow moulding technology is used across several packaging industries.
Packaged Drinking Water
- PET bottles for packaged drinking water require consistent dimensions, good clarity and reliable bottle strength. Our machines can be configured for different bottle capacities according to production requirements.
Carbonated Drinks and Beverages
- PET bottles used for soft drinks and other carbonated beverages require suitable bottle design, neck dimensions and material distribution.
Edible Oil Packaging
- PET bottles are widely used for edible oils because they are lightweight, transparent and suitable for different bottle designs.
Juice and Beverage Bottles
- Manufacturers of juices, energy drinks and other beverages can use PET stretch blow moulding technology for different bottle formats.
Pharmaceutical Packaging
- PET containers can be produced for selected pharmaceutical and healthcare packaging applications where the bottle design and material requirements are suitable.
Cosmetics and Personal Care
- Shampoo, lotion, personal-care and cosmetic packaging can use PET containers in a wide range of shapes and sizes.
Household and Chemical Packaging
- PET bottles and containers are also used for selected detergents, cleaning products, chemicals and industrial liquids.
Semi Automatic vs Fully Automatic Stretch Blow Moulding Machine
Choosing between a semi automatic and fully automatic machine depends mainly on production volume, available manpower, factory layout and investment requirements.
Semi Automatic Stretch Blow Moulding Machine
A semi automatic system is suitable for businesses where operators can handle preform loading and other production activities.
It can be a practical option for:
- Small and medium production requirements
- New PET bottle manufacturing units
- Businesses with moderate bottle demand
- Plants looking for controlled initial investment
Fully Automatic Stretch Blow Moulding Machine
A fully automatic system reduces manual intervention and is more suitable for higher-volume production environments.
It can be considered for:
- High production requirements
- Larger manufacturing plants
- Continuous bottle production
- Businesses looking to reduce manual handling
The right choice should be made according to required bottles per hour, bottle size, mould cavity, available utilities and overall production plan.
How to Choose the Right Stretch Blow Moulding Machine?
Selecting a PET bottle blowing machine only on the basis of its price can result in an unsuitable production setup. Before purchasing, consider the following:
1. Bottle Capacity
Determine whether you need 250 ml, 500 ml, 1 litre, 2 litre, 5 litre, 20 litre or another bottle format.
2. Required Production Output
Calculate the number of bottles required per hour or per day. This helps determine the appropriate machine capacity and cavity configuration.
3. Bottle Design
Bottle shape, neck diameter, height, diameter and preform design affect machine and mould selection.
4. Number of Cavities
Higher cavity configurations can increase production output, depending on the machine and bottle application.
5. Available Factory Space
Machine dimensions and supporting equipment should be considered before installation.
6. Compressed Air Requirements
High-pressure air availability and compressor capacity should match the selected machine configuration.
7. Energy Consumption
Consider heater load, compressed-air requirements and overall operating costs when comparing machines.
8. After-Sales Support
Installation, operator training, spare parts and technical support can have a significant impact on long-term machine uptime.
Why Choose Suraj Plastic Industries?
Choosing a PET bottle manufacturing machine is a long-term investment. The manufacturer should therefore be evaluated not only on machine price but also on engineering experience, production support and service capability.
More Than 40 Years of Manufacturing Experience
Suraj Plastic Industries was established in 1982 and has dedicated experience in PET Preform Stretch Blow Moulding Machines since 1997.
4000+ Machines Sold
Our machines have been supplied to customers across India and international markets.
ISO 9001:2015 Certified
Our company operates with a focus on consistent manufacturing quality and engineering standards.
PET Bottle Manufacturing Expertise
Our product range includes semi automatic, high-speed, automatic hand-feed and fully automatic PET stretch blow moulding solutions.
Installation and Technical Support
We support customers with machine installation, commissioning, operator guidance and technical assistance.
Spare Parts and Service
Reliable spare parts availability and after-sales assistance help customers maintain machine performance and minimize avoidable downtime.
PET Bottle Making Machine for Different Production Requirements
Different businesses require different production capacities. A small packaged drinking water plant may have different requirements from a large beverage manufacturer.
For this reason, the machine should be selected according to:
- Bottle capacity
- Required bottles per hour
- Number of cavities
- Preform specification
- Bottle design
- Available compressed air
- Factory space
- Automation level
- Future production expansion
Our team can evaluate these requirements and recommend a suitable PET stretch blow moulding machine configuration.
Frequently Asked Questions
A PET stretch blow moulding machine converts heated PET preforms into finished bottles or containers using controlled heating, stretching and high-pressure blowing.
Depending on the machine and mould configuration, PET bottles and jars can be produced in capacities ranging from small bottles to large containers. Suraj Plastic Industries offers models covering 50 ml to 25 litres.
Production capacity depends on the model, number of cavities, bottle size, preform weight and bottle design. Our listed models provide outputs from approximately 150 BPH to 700 BPH.
Semi automatic machines require more operator involvement, particularly during preform handling, while fully automatic systems are designed to reduce manual intervention and support higher-volume production.
PET stretch blow moulding machines are used for water, beverages, edible oil, cosmetics, pharmaceutical, household and selected industrial packaging applications.
Yes. Different machine models and mould configurations support different bottle capacities, neck sizes and container designs.
Consider required bottle size, production capacity, bottle design, cavity configuration, compressed-air requirements, power requirements, available factory space, mould requirements and after-sales support.
Yes. Suraj Plastic Industries provides installation assistance, operator guidance, technical support and after-sales service for its machines.
Get the Right PET Stretch Blow Moulding Machine for Your Production
If you are looking for a Stretch Blow Moulding Machine Manufacturer in India, Suraj Plastic Industries can help you select a machine according to your bottle size, production target and application.
Share your requirements with our team, including:
- Bottle capacity
- Required production per hour
- Bottle design
- Number of cavities required
- PET preform details
- Production application
Our technical team can then help you identify a suitable machine configuration for your PET bottle manufacturing setup.
Suraj Plastic Industries PET Preform Stretch Blow Moulding Machine Manufacturer Manufacturing Since 1982 | PET Stretch Blow Moulding Experience Since 1997 | ISO 9001:2015 Certified