GÜNTHER Hot Runner Technology – your hot runner and cold runner specialist
Experience high-performance, sustainable hot and cold runner technologies. With its perfected, future-oriented hot runner and cold runner systems, GÜNTHER is a top supplier for injection moulding applications in the plastics and silicone processing industry. We develop innovative hot runner and cold runner solutions as one of the world's leading providers. Our aim is to ensure maximum process reliability and efficient injection moulding. This will allow you to improve your product quality, reduce your energy and production costs, and increase your degree of production automation.
No matter how complex your requirements are for hot runners or cold runners, it is always easy to operate our optimally matched systems, whether they are standard modular systems or one-time special solutions. GÜNTHER hot and cold runner systems are synonymous with production stability and cost efficiency for LSR and thermoplastics injection moulding.
Service – from digital to personal
We will develop the optimal technical solution for your individual requirements together with you based on professional consultation, technical and digital support, and time-saving applications for your development or design processes.
Sector-specific solutions – accomplished and practice-based
Whether used in the automotive, electronics, health technology, packaging or consumer goods sectors, our high-performance GÜNTHER hot runner and cold runner systems set state-of-the-art cross-sector standards in plastics and silicone processing for highly efficient, cost-effective injection moulding processes.
Careers & training – true team players
“We are GÜNTHER” There is a committed, highly qualified team of around 240 employees behind the development of our innovative hot and cold runner systems. Join our team. Discover our exciting job offers, trainee vacancies, and cooperative degree programs.
More than a product configurator: the CADHOC® system designer: Configure your ideal hot runner system to your requirements now!
- 24/7 configuration for your systems
- Immediate overview of costs
- Obtain CAD data for the entire design process
Save up to 50% energy with BlueFlow®
The innovative BlueFlow® hot runner nozzle sets new standards in the quality and design of moulded parts made of thermally sensitive plastics. The compact design and excellent, energy-efficient temperature control never fail to impress during usage in production. The innovative thick-film heating technology combined with the two part shaft ensures savings of up to 50%.
Augmented reality support
Service 4.0 Obtain expert application consultation or immediate technical assistance through our digital support. Thanks to augmented reality, our technicians will follow closely what you are doing in a live feed while you are fitting your hot runner system or setting up your control units. As a technology leader, we will provide you with professional support for design, mould trials, commissioning, maintenance, or problem-solving, making everything quick and easy.
Achieve optimized injection moulding production on a lasting basis with GÜNTHER
With our high-performance hot runner solutions, we will help future-proof your entire injection moulding processes for both plastic injection moulding and LSR processing.
Greater production efficiency
Innovative nozzle designs for a wide variety of gate versions and modern material combinations – reduced cycle times – rapid color changes – very short closure times – low cavity spacing.
Lower production costs
Energy savings thanks to innovative heating elements – faster ROI and lower maintenance costs thanks to long service life – less material wastage, even with modern material compounds – fewer working hours thanks to service-friendly installation and simple operation.
Greater product quality
Excellent dimensional stability thanks to material-specific control – less waste thanks to process optimization – reduction in risk of complaints thanks to flawless gating.
Our product areas
Open hot runner nozzles
High-precision nozzles with a wide range of options for an optimized, energy-saving hot runner design. High process reliability, easy installation and simple maintenance.
Multi-drop hot runner nozzles
For problem-free plastic injection moulding for narrow cavity spacing. Perfect gating of small moulded parts or bonding moulded parts with various gate points. Vertical multi-drop injection possible.
Valve gate nozzles
Precise valve gate systems for a wide variety of applications with exacting visual requirements. Short cycle times, minimal shear stress, variable gate diameters, and high process reliability.
Cold runner valve gate nozzles
Highly efficient LSR processing in variable design for cost-efficient manufacture of high-grade silicone moulded parts. Single nozzles and system nozzles for optimized silicone injection moulding.
READY²CONNECT complete systems
Ready-to-install hot runner systems – custom-pre-assembled for fast, easy installation. Made of high-grade components for a long service life and optimum manufacturing quality.
Extremely rapid, highly precise temperature control, ranging from a one zone controller through to a 24-cavity controllers for highly specialized injection moulding applications with extensive functions.
Expert consultation worldwide
We are at your service with expert contact persons and personal consultation worldwide, no matter where you are. Do you have any questions? Do you need assistance? Our central service hotline will be glad to help you.
“We are GÜNTHER!”
It's no coincidence that we have become the technology leader in hot and cold runner technology. You need to be a passionate, dedicated team with a great deal of expertise to reach such heights. Our gate point systems always consist of optimally efficient innovative solutions, whether they are used for effective thermoplastics processing or precision silicone injection moulding. The basis for our success is our team’s enthusiasm and our expertise from over 35 years’ practical experience in hot and cold runner technology. What motivates our some 240 employees are our customers’ challenges and individual needs and the joy of developing efficient solutions as a team. We develop and optimize to ensure maximum process reliability, high-grade quality moulded parts, short processing cycles, and optimum cost-effectiveness for injection moulding of different materials for our customers’ success.
Working with GÜNTHER – jobs with a future
We offer exciting tasks, a friendly team and attractive prospects for your professional future, whether you are a specialist, manager, newcomer, technician or a seasoned professional. Come join us at GÜNTHER and set new standards together with us in the development of sustainable, future-proof technology for hot runner and cold runner technology.
Technical services in brief
We will assist you with comprehensive service. Benefit from our expertise, from project planning and design of an injection moulding system through to its practical use.
Online product configuration
Use our easy-to-operate CADHOC® System Designer configuration program. This premium software will allow you to obtain CAD data on everything from individual components through to complete hot runner or cold runner systems in the shortest possible time twenty-four hours a day.
In our technical centre, we will customer-configure energy-efficient hot runner and cold runner systems for efficient plastics injection moulding and LSR/silicone injection moulding. Depending on the material combination, moulded part and individual requirements, we can offer you a wide range of melt channel diameters, nozzle lengths and gate versions to create hot and cold runner systems in your injection mould. Choose from our wide selection of hot and cold runner systems, connecting elements and state-of-the-art control technology. Learn more about sophisticated system solutions for the perfect gate point system with energy-efficient heating elements.
Augmented Reality Support
Save time and effort with our virtual consultation. Thanks to our Augmented Reality Support, you won’t need to arrange a visit with our Field Sales team. You can receive instant help on a smartphone or tablet instead.
Our catalog, brochures, operating manuals and other useful information are available for download from our download section.