How to Integrate Combibloc Systems in Small Production Lines

Views: 2930 Author: Howie SUN Publish Time:
A combiblock puts blow moulding, filling and capping on one frame with one control system, so the preform goes in and the capped bottle comes out.
Key facts at a glance
CombinesBlow moulding, filling and capping in one block
Output range2,000-48,000 BPH
Bottle range0.2-16 L PET
ProductsStill water, CSD, juice, tea, edible oil
ValvesLoad cell, volumetric, mechanical or semi-electric
OperationOne operator for the complete block

What does a combiblock actually combine?

A combiblock joins blow moulding, filling and capping into one frame with one drive and one control system. The preform goes in at one end and the capped bottle comes out at the other, with no intermediate buffer and no bottle storage between blowing and filling.

Why does removing the buffer change the economics?

A conventional line stores empty bottles between the blower and the filler, and that buffer is floor space, conveyor, and a place where bottles collect dust. A combiblock removes all three, and because the three machines share one control system, one operator can run the block. The saving is in the building, not in the machine price.

ConfigurationWhat is insideTypical use
3-in-1 monoblockRinse, fill, capStill water in bought bottles
CombiblockBlow, fill, capPET lines with in-house blowing
Combiblock + labellerBlow, fill, cap, labelSingle-footprint PET line
Combiblock + packerBlow to caseHigh-volume single-format plant

Sizing for this duty runs through the Still Water 5L Volumetric, where the valve count is set out.

How is the hygiene zone around the block maintained?

With a positive-pressure enclosure over the blow-fill-cap path, filtered air, and a defined cleaning cycle for the filler and the capper. The bottle is formed, filled and closed inside the same zone, which is the reason the format exists.

The specification sheet for the Blow-fill-cap Combibloc for Still Water carries the utility figures quoted here.

What does a combiblock need from the preform supply?

Consistent dimensions, a stable colour and a controlled moisture level. A preform that varies in neck dimension stops the filler; one that varies in temperature response changes the bottle. The block cannot compensate for an inconsistent input.

The same question is worked through from another angle in How Blow-Fill-Cap Machines Improve Bottled Water Safety.

How to read the numbers. The BPH figures quoted are reference ranges on the product specification. Mould changes and the shared CIP cycle sit outside a rated BPH, so plan on 0.65-0.85.

Frequently asked questions

What is the difference between a combiblock and a monoblock?

A monoblock combines rinsing, filling and capping. A combiblock adds blow moulding, so the preform goes in and the capped bottle comes out. The two terms are often confused, and the difference is whether a blow moulder is inside the block.

Does a combiblock save labour?

It is designed for one operator on the complete block, which is fewer people than three separate machines need. The saving is real only if the plant also removes the buffer and the bottle handling between stations.

What happens if the blower stops?

The filler stops within seconds because there is no accumulation. That is why the uptime target for a combiblock is set for the block, not for each machine, and why preventive maintenance on the blower is not optional.

Does a combiblock need a separate compressor?

It needs high-pressure air for blowing, which is usually a dedicated circuit. Sharing a low-pressure line with the rest of the plant is the most common cause of unstable bottle quality.

Key takeaways
  1. One uptime target for the block, not three for the machines.
  2. Foundation and levelling matter more because the machines are linked.
  3. The buffer is the space you save and the cushion you give up.
  4. Blowing and filling keep separate cleaning regimes.
About the author
Written by the Sunswell engineering team - led by Howie SUN, Founder & CEO, with 14 years in filling and blow-moulding equipment R&D and turnkey project delivery across 71+ countries.
Last reviewed: 2026-08-28 . Reviewed by Sunswell engineering team
×

Contact Us

captcha

*We respect your privacy. When you submit your contact information, we agree to only contact you in accordance with our Privacy Policy.

×

Inquire

*Name
*Email
Company Name
Phone/Whatsap
*Message

*We respect your privacy. When you submit your contact information, we agree to only contact you in accordance with our Privacy Policy.