Plastics
Featured events:
Heat Treatment Beijing Expo 2026
Booth A952 - Beijing, China
CHINAPLAS 2026
Booth: 2.1F91 - National Exhibition and Convention Center (NECC), Hongqiao, Shanghai, PR China
Smart solutions to shape the plastic of the future
A solid application know-how, the result of over 50 years of experience in the sector, makes Gefran the reference point for the people who operate in extrusion, injection and blowing processes. Our solutions are born from listening to the real needs of the market and combine precision sensors, advanced automation and digital technologies into an integrated and scalable ecosystem. Process reliability, energy efficiency and simplicity of integration: every Gefran proposal is designed to offer concrete and sustainable value to the people who transform plastic into innovation.
Applications of our products
Blown film extrusion line
Learn about the blown film extrusion process: an advanced technology for the continuous transformation of polymers into stretchable plastic films with specific mechanical properties and excellent resistance, mainly used for packaging.
Requirements:
Control of the extrusion process
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Temperature control
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Melt temperature and pressure measurement
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Haul-off tension
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Conveyor longitudinal and transverse opening
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Monitoring of the hydraulic circuit
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Enhancing Production Data
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Unloading the winders
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Requirement:
Control of the extrusion process
Synchronous and centralised regulation of critical parameters (speed and synchronisation with the other motors of the screw line, temperatures, melt pressure) to guarantee process stability, the rheological quality of the product and operational efficiency.
Solution:
Multitouch browser panel
Modular automation controller
Requirement:
Temperature control
Thermal stability of the molten polymer in every heating zone to ensure constant viscosity, dimensional consistency and surface quality.
Requirement:
Melt temperature and pressure measurement
Accurate monitoring of the temperature and pressure of the molten polymer prior to forming to ensure correct viscosity and process stability.
Requirement:
Haul-off tension
Constant and correct haul-off tension to keep the bubble stable during extrusion, avoiding deformation and breakage of the film.
Solution:
Requirement:
Conveyor longitudinal and transverse opening
Reliable and accurate detection of the opening of the bubble collapse guides at the top of the extrusion lines, essential for managing format changes and for the production of bags.
Draw wire sensor for linear position measurement with range from 1.8 to 8.3 m, available with analog and digital outputs.
Advanced Contactless Magnetostrictive - Rod Thread AISI 316 - Analogue Output
Requirement:
Monitoring of the hydraulic circuit
Centralised and continuous control of the pressure in the hydraulic circuits for the movement of rollers, internal/external guides and opening/closing actuators.
Solution:
Requirement:
Enhancing Production Data
In today’s industrial context, companies aim to leverage data to improve efficiency, prevent failures, and reduce energy consumption.
AI Conversational Assistant for Industry 5.0
Base modules
Requirement:
Unloading the winders
Precise control of the movement of the piston rods for the unloading of the automatic winders.
Gefran Services
Electrical engineering and automation
Electrical panel construction
PLC software development and supervision systems
PLC software development and supervision systems
PLC programming solutions based on Gefran components, with the possibility of integrating third-party hardware on request, and development of SCADA and supervision systems to ensure advanced control of processes, temperatures, motors and energy consumption.
Installation and commissioning of plants
Advanced remote assistance
Integration with management systems (ERP/MES)
Max and Gaia IoT platform
Max and Gaia IoT platform
Industrial IoT platform, available both in the cloud and on-premise and installable directly at the edge, designed for machine servitisation and increased added value. It allows continuous, uninterrupted monitoring and production optimisation, all integrated into a single solution available both as a purchase licence and as a service managed by Gefran Soluzioni.
GRZ-H
Three-phase solid-state relays, 10 A to 75A
- Zero-crossing voltage switching (ZC)
- Overtemperature protection
- Compact designs
WPA-A
Contactless linear position transducer with HYPERWAVE magnetostrictive technology
- Strokes from 50 to 4000 mm
- High precision and long life, aluminum profile with minimal footprint for industrial applications
- Analog output interface (voltage or current), up to 2 cursors for position and speed measurement
G-Mation P6
Modular automation controller
- Modular PLC based on IEC61131-3 standard
- Integrated web server for local and remote visualization
- Supports Docker architecture – advanced PLC functions, Industrial IoT connectivity, open-source applications
IE PLc
MELT pressure transmitter with IMPACT piezoresistive technology and no filling fluid
- Performance Level “C”
- Thick diaphragm and robust mechanics for long life and high reading stability
- RoHS compliant, integrated Autozero function, accuracy up to ±0.25% FS
