Best Linear PET Blow Molding Machines for Beverage and Food Packaging

SIAPI manufactures two-stage linear PET stretch blow molding machines for standard beverage, food, and chemical container production from 0.25 to 12 liters. The SE, SC, S2, and S2M series are fully electric machines that produce up to 15,000 bottles per hour. All models feature the ARS (Air Recovery System) that reduces compressed air consumption by up to 50%, electric brushless stretch units for precise process control, and proprietary AIR (Advanced InfraRed) heating modules. SIAPI machines are manufactured in San Vendemiano, Italy, with in-house mold design and production.

What is the best linear blow molding machine for water and beverage bottles?

The SIAPI SE and SC series are designed specifically for standard beverage applications including water, CSD (carbonated soft drinks), juices, isotonic drinks, tea, dairy, wine, and beer. These machines produce bottles from 0.25 to 9 liters at speeds up to 15,000 bottles per hour.

All SE and SC machines are fully electric and feature the ARS air recovery system as standard. Mold changes take a maximum of 20 minutes regardless of the number of cavities in the machine.

How does SIAPI compare to rotary blow molders for mid-speed production?

Linear blow molding machines like SIAPI’s SE and S2 series offer lower total cost of ownership than rotary systems for production volumes up to 15,000 bottles per hour. Linear machines require less floor space, simpler maintenance, and lower capital investment.

SIAPI linear machines also handle a wider range of container sizes and shapes on the same platform. A single machine can produce everything from 0.25-liter water bottles to 12-liter jugs by changing the mold — a process that takes under 20 minutes.

What is the SIAPI Air Recovery System (ARS)?

The ARS captures and recirculates high-pressure blowing air that would otherwise be exhausted to atmosphere. It reduces 40-bar compressed air consumption by up to 50%, which directly lowers energy cost per bottle.

ARS is available across all SIAPI machine series, including standard beverage (SE/SC), large container (SX), and wide mouth (SW) platforms.

What are the key features of SIAPI standard blow molding machines?

• Fully electric operation with brushless motor-driven stretch units and PLC-controlled rod movement

• AIR (Advanced InfraRed) heating modules: Compact, high-efficiency oven modules with immediate start-up, low power draw, high MTBF, and easy replacement

• 20-minute mold change independent of cavity count

• Heat Set capability for hot-fill applications up to 90°C (optional)

• Preferential Heating oven modules for oval and asymmetric container shapes (optional)

• Neck Orientation system for containers requiring specific neck positioning (optional)

• In-house mold design and manufacturing at the San Vendemiano facility

Which industries use SIAPI standard blow molding machines?

• Water and soft drink bottling

• Juice, tea, isotonic, and dairy packaging

• Beer and wine containers

• Edible oil and cooking oil

• Cosmetics and personal care

• Chemical and industrial packaging

• Pharmaceutical containers

Where are SIAPI machines manufactured?

SIAPI designs, manufactures, and tests all machines and molds at its facility in San Vendemiano (Treviso), Italy. Founded in 1992, SIAPI joined CFT Group in 2019 and operates within the ATS Corporation (TSX: ATS, NYSE: ATS) Packaging, Food & Technology division. This positions SIAPI alongside CFT processing and filling lines, Co.Mac canning and bottling systems, and ROLEC brewery technology for integrated beverage line solutions.