NB-500 semi automatic PET blow molding machine

NB-500 Semi Automatic Blow Molding Machine 2 Cavity Large Bottle Blowing Machine PET Bottle Making Machine

The NB-500 semi automatic blow molding machine is designed for producing large-volume PET bottles from 3 to 5 liters. With a 1–2 cavity configuration, stable heating system, and compact structure, it delivers reliable output at a low investment cost, making it an ideal solution for edible oil, detergent, and household packaging manufacturers.

Additional information

Theoretical output

400-800 Pcs/hr

Container volume

3-5 L

Preform inner diameter

28-48 mm

Cavity

1-2 Pc

NB-500 Semi-automatic Blow Molding Machine

High-efficiency solution for small & medium batch production

Detailed Description

The NB-500 semi automatic PET blow molding machine is specially developed for large-volume bottle production ranging from 3L to 5L. Featuring a flexible 1–2 cavity mold design, it provides stable production capacity while maintaining consistent bottle shape and wall thickness.

Its compact and space-saving design allows installation in small workshops without complex infrastructure. The machine is equipped with a reliable heating system that ensures uniform preform heating, resulting in strong, transparent, and evenly formed bottles suitable for thick-wall applications.

Operation is simple and requires minimal labor, making it suitable for factories with limited manpower. Maintenance is easy, with straightforward daily inspection and servicing. With low initial investment and dependable performance, the NB-500 offers a cost-effective solution for small and medium batch production of large PET containers across various packaging industries.

NB500 big bottle semi-automatic blow molding machine

Suitable Products & Applications

  • Edible oil bottles (3–5L)

  • Detergent and cleaning product containers

  • Household chemical bottles

  • Industrial liquid containers

  • Large-volume PET packaging bottles

Key Features

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Large Volume Bottle Capability

Designed specifically for 3–5L PET bottle production.

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Compact & Space-Saving Design

Small footprint suitable for workshops with limited space.

Adaptability icon

Flexible 1–2 Cavity Configuration

Supports different production needs with adjustable cavity options.

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Cost-Effective Investment

Low purchase and operating cost, ideal for small and medium enterprises.

The Working Process of a Bottle Blowing Bachine

The working process of a bottle blowing machine

Frequently Asked Questions

What bottle sizes can the NB-500 produce?

The machine is designed for PET bottles with volumes from 3L to 5L.

How many cavities does the machine support?

The NB-500 supports 1 or 2 cavity mold configurations depending on production requirements.

Is the machine suitable for large-volume bottles with thick walls?

Yes. The stable heating system ensures even wall thickness and high bottle strength.

How many operators are required?

Usually 1–2 operators are sufficient for normal operation.

Is the NB-500 suitable for startups or small factories?

Yes. Its low investment cost and simple operation make it ideal for startups and small manufacturers.

Interested in our NB-500 semi automatic PET blow molding machine ?

Contact us now for a quotation or more detailed specifications

Model No. Unit NB-500
Theoretical output Pcs/hr 400-800
Container volume L 3-5
Preform inner diameter mm 24-48
Max.bottle diameter mm 170
Max.bottle height mm 380
Cavity Pc 1-2
Main machine size M 1.9×0.8×1.7
Machine weight T 0.75
Heater size M 2.1×0.7×1.38
Heater weight T 0.35
Max heating power KW 14
Installation power KW 45

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