GÜNTHER Heisskanaltechnik

What GÜNTHER Heisskanaltechnik does

GÜNTHER Heisskanaltechnik GmbH is a privately held, family-owned German manufacturer of hot runner and cold runner systems for plastics and silicone injection molding. Founded approximately three and a half decades ago by Herbert Günther and headquartered in Frankenberg/Eder, Germany, the company employs roughly 240 people and operates a single manufacturing and engineering site that includes a technical centre with four injection moulding machines for pre-deployment material testing. GÜNTHER's legal form is a GmbH with no external equity investors, no subsidiaries in the data, and a January 2023 leadership transition that installed Dr. Stefan Sommer alongside long-tenured Managing Director Siegrid Sommer.

The company's product portfolio centres on open hot runner systems, valve gate systems, multi-drop nozzles (OktaFlow®), and precision multi-tip valve gate systems (ClusterFlow, PRISMA), supported by manifolds, gate bushings, needle actuators, electrical connections, and accessories. Underlying technology is anchored by the patented BlueFlow® thick-film heating element with a two-part shaft design, which the company claims yields up to 50% energy savings versus conventional hot runner nozzles. The ColdFlow cold runner system targets LSR (liquid silicone rubber) processing, and the blueMaster family of temperature controllers (compact, pro, step) closes the loop with control electronics including OPC UA, self-optimizing control, mould databases, and cloud data upload. Software tools include the CADHOC® 24/7 online System Designer for configuration and CAD data, the Delta Tool for height calculations, and the DATAHUB QR-code gateway to product documentation.

GÜNTHER serves five primary verticals — automotive (primary), consumer goods, electronics, medical technology, and packaging — with end-use applications spanning interior and exterior vehicle parts, medical devices, electronic housings, packaging lids and closures, and consumer goods. Revenue is generated predominantly through custom-engineered, quote-based hardware sales of hot and cold runner systems and controls, supplemented by technical services (engineering, repair, AR-assisted support) and emerging subscription-like digital services through CADHOC and DATAHUB. The go-to-market is enterprise field sales with inside-sales hotline support, complemented by trade-show presence, technical seminars, and the CADHOC self-serve configurator. Certifications include DIN EN ISO 9001:2015, DIN EN ISO 14001:2015, and AEO customs status.

Name

GÜNTHER Heisskanaltechnik

Legal name

GÜNTHER Heisskanaltechnik GmbH

Website

https://guenther-hotrunner.com

Company type

Private

Founded year

1989

Operating status

Operating

Headcount range

251–500 employees

Short description

GÜNTHER Heisskanaltechnik GmbH is a German, family-owned manufacturer of custom-engineered hot runner and cold runner systems for plastics and silicone injection molding. It serves automotive, consumer goods, electronics, medical technology, and packaging customers worldwide through direct field sales.

Ownership category

akta.pro rank

Product category

Hot Runner and Cold Runner Systems for Injection Moulding

NAICS

Industrial Process Furnace and Oven Manufacturing (333994)

SIC

Industrial Process Furnaces & Ovens (3567)

akta.pro primary industry

Boilers, Furnaces & Process Heating Equipment (IMAHAKAD)

Keywords

• Hot runner systems
• Cold runner systems
• Injection moulding equipment
• Valve gate systems
• Plastic mould components

Headquarters

HQ city

Frankenberg

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Hot Runner Systems and Components: Sale of hot runner nozzles, manifolds, valve gate systems, hot halves, and cold runner systems. Custom-engineered solutions for specific applications. Pricing is project-based and quote-driven for industrial equipment.
2. Control Technology: Sale of temperature control units (blueMaster compact, blueMaster pro, blueMaster step) for hot runner systems. Includes software-enabled controllers with varying circuit capacities.
3. Technical Services and Engineering: Custom engineering, application consulting, material testing at technical centre, repair and maintenance services. Technical support including augmented reality assistance.
4. Software and Digital Services: CADHOC System Designer for configuration and CAD data generation. Delta Tool for hot runner height calculations. DATAHUB for digital access to technical information via QR codes.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

GÜNTHER Heisskanaltechnik GmbH designs, manufactures, and sells hot runner and cold runner systems for plastic and silicone injection moulding. Its portfolio includes open hot runner nozzles, multi-drop nozzles, valve gate systems, manifolds, hot halves, complete Ready2Connect® systems, ColdFlow cold runner systems for LSR processing, and blueMaster temperature control units. The company also provides application engineering, technical centre material testing, repair and maintenance services, and configuration software (CADHOC, Delta Tool) to industrial customers.

Product overview

GÜNTHER Heisskanaltechnik is a manufacturer of hot runner and cold runner systems for injection moulding applications. The product portfolio is organized around two main system types: hot runner systems (including open hot runner nozzles, multi-drop nozzles, valve gate systems, manifolds, and complete ready-to-install solutions) and cold runner systems (ColdFlow for LSR processing). Supporting products include BlueFlow technology (patented thick-film heating with up to 50% energy savings), control technology (blueMaster controllers in compact, pro, and step variants), electrical connections, and accessories. Software tools include CADHOC System Designer for 3D configuration and Delta Tool for height calculations. The company offers complete hot halves and Ready2Connect pre-assembled systems as turnkey solutions.

Differentiator

Problem solved

Functional benefit

Brands

• BlueFlow®: Energy-saving hot runner nozzle technology using thick-film heating for up to 50% energy savings
• Ready2Connect®
• CADHOC®
• ColdFlow
• OktaFlow®
• ClusterFlow
• PRISMA nozzle
• blueMaster
• DATAHUB
• Delta Tool

Products and services

• Hot Runner Nozzles High-precision open hot runner nozzles available in a wide variety of melt-channel diameters, nozzle lengths and gate geometries for modern injection moulding, with process temperatures up to 450°C. Sold to plastics processors and mould makers.
• Multi-Drop Hot Runner Nozzles (OktaFlow®) Multi-drop hot runner nozzles in radial or linear design for lateral injection of small parts with minimal cavity spacing; OktaFlow® variants enable up to 8 tips per nozzle for 90-degree side gating without cold slugs. For mould makers producing small, high-cavity-count parts.
• Gate Bushings Gate bushings for easy introduction of required nozzle geometries in mould plates, used with BlueFlow® and standard heated open hot runner nozzles. For mould makers and tool shops.
• Manifolds Externally heated hot runner manifolds with pressed-in heating elements for homogeneous temperature distribution and efficient heat transfer, available in straight, cross and custom configurations. For injection moulding tool builders.
• Connecting Elements Heated adapters and connection pieces for reliable attachment of machine nozzles and manifolds, available for hot runner diameters from 4 to 12 mm. For mould makers and plastics processors.
• Valve Gate Systems Valve gate systems for perfect surface appearance with maximum process reliability, featuring unambiguous opening behaviour and consistent gate point quality. For mould makers and OEMs requiring cosmetically critical plastic parts.
• Valve Gate Nozzles Valve gate nozzles with sprue mark cross-sections from 0.8 to 4.0 mm capable of processing up to 50% filled plastics; innovative needle guide design for low-wear operation. For filled-polymer moulding applications.
• Multi-Drop Valve Gate Nozzles (ClusterFlow and PRISMA) ClusterFlow multi-drop valve gate system (32 gate points in 70x35 mm, scalable to 96) and PRISMA multi-tip nozzle (2-5 gating points with smallest pitch circle diameters) for precision valve gate injection moulding. For mould makers needing dense gating in compact areas.
• Valve Gate Manifolds Hot runner manifolds for valve gate systems including straight, cross, star, H- and T-manifolds with variable nozzle positioning and freely selectable gauge. For injection moulding tool builders.
• Needle Actuator Needle control systems for valve gate systems with electrical, hydraulic, or pneumatic drives, including single-needle drives (SNV) and multi-needle drives for synchronized nozzle opening. For mould makers and plastics processors.
• Hot Halves Ready-to-install hot halves customised to customer specifications, fully wired and checked for proper operation, supplied with extended warranty conditions. For mould makers and plastics processors seeking plug-and-play mould halves.
• Ready2Connect® Complete Systems Pre-assembled complete hot runner systems with standardised cable boxes, installation-friendly design, full wiring, and pre-tested operation for fast installation and safe commissioning. For plastics processors seeking turnkey hot runner solutions.
• BlueFlow® Technology Hot Runner Nozzles Patented thick-film heating hot runner nozzle with two-part shaft design and compact form factor, achieving up to 50% energy savings versus conventional hot runner nozzles with no pre-heating required and homogeneous temperature distribution. Heating elements manufactured in GÜNTHER's in-house cleanroom. For energy-conscious plastics processors.
• ColdFlow Cold Runner Systems Cold runner systems for LSR (liquid silicone rubber) processing with modular nozzle design and excellent thermal separation between nozzle and cavity. For silicone moulders.
• blueMaster Control Technology Smart temperature controllers for hot runner systems including blueMaster compact (3-6 control circuits, smartphone-app controlled), blueMaster pro (6-24 control circuits with OPC UA interface, self-optimising control, mould database, cloud data upload), and blueMaster step (up to 16 stepper motors for valve gate needles). For plastics processors using GÜNTHER hot runners.
• Electrical Connections Custom-developed electrical connecting cables fabricated at the company for trouble-free control of hot runner and valve gate technology. For plastics processors using GÜNTHER hot runner systems.
• Accessories Supporting products including retainers, spacer rings, seals, insulating caps, and the DATAHUB QR-code system for digital access to technical product information. For plastics processors and mould makers.
• CADHOC® System Designer Online product configuration software for hot runner systems providing CAD data, 3D models and price information, available 24/7 for configuring individual components to complete systems. Self-serve tool for mould designers and engineers.
• Delta Tool Software Software tool for calculating hot runner heights needed when reworking smaller sprue points with diameters ≤1.2 mm where nozzles must be installed in lagging position. For mould designers and process engineers.

Quantifiable outcome

• Up to 50% energy savings with BlueFlow® technology
• +4 more outcomes

Named customers1 record

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Scale indicators4 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Mold-Masters: One of the world's largest hot runner manufacturers, offering a full product line of hot runner nozzles, manifolds, valve gate systems, and temperature controllers to the same injection molding customer base as GÜNTHER across automotive, packaging, medical, and electronics.
• Synventive Molding Solutions: A Barnes Group company specializing in hot runner systems for injection molding, with a strong presence in valve gate technology and large multi-cavity applications—directly comparable to GÜNTHER's open and valve gate portfolio.
• Heitec Heißkanalsysteme: German niche manufacturer of hot runner systems focusing on technical plastics and LSR processing—a direct regional competitor with similar Mittelstand scale and target verticals.
• HRSflow: Hot runner business of Haitian International, one of the largest global injection molding machine OEMs. HRSflow supplies hot runner systems integrated with Haitian presses, competing head-to-head with GÜNTHER on systems for automotive and packaging applications.
• Yudo Co., Ltd. Korean hot runner manufacturer with global sales coverage, supplying valve gate and open hot runner systems to automotive, electronics, and packaging customers—directly competing with GÜNTHER for non-European and cost-sensitive projects.
• Mastip Technology: New Zealand-based specialist in hot runner systems and multi-tip nozzles, with growing European and Asian presence. Comparable product breadth in valve gate and open hot runner systems serving medical, packaging, and consumer goods.
• EWIKON Heißkanalsysteme: German privately held hot runner specialist similar in size and family-business character to GÜNTHER, offering valve gate systems, nozzles, and manifolds for injection molding across similar end-markets in Europe.
• INglass S.p.A. Italian hot runner manufacturer with a strong European installed base in valve gate technology and LSR (liquid silicone rubber) systems—competing directly with GÜNTHER's valve gate and ColdFlow silicone product lines.
• Stäubli Hot Runner Systems: Division of Swiss Stäubli group offering hot runner and valve gate systems for high-end injection molding, particularly in medical and packaging. Comparable technical depth and European manufacturing footprint to GÜNTHER.

Broad incumbents

• Husky Injection Molding Systems: Canadian global leader in injection molding equipment, hot runners (historically via Mold-Masters), and tooling. A broader incumbent that competes with GÜNTHER especially on integrated system sales to large Tier-1 automotive and packaging customers.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/c/G%C3%9CNTHERHeisskanaltechnikGmbHFrankenbergEder
• LinkedInlinkedin.com/company/g%C3%BCnther-heisskanaltechnik-gmbh

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about GÜNTHER Heisskanaltechnik