Design and manufacture of hot runner systems for injection molding, with a focus on Automotive Lighting and technical applications
INglass S.p.A. – Oerlikon HRSflow
San Polo di Piave (IT) · Hangzhou (CN) · Michigan (US) · Raunheim (DE) · Windsor, Ontario (CA) · São Paulo (BR)New on Amplifa
About Oerlikon HRSflow
Oerlikon HRSflow (INglass S.p.A.) develops and manufactures hot runner systems for plastic injection molding. The company was founded in 1987 by Maurizio Bazzo near Treviso and originated in the construction of rotating multi-color and multi-component molds for automotive lighting lenses. Since 2001, the HRSflow division has been at the center: hot runner systems with patented technologies such as Fail-Safe equipment (dual heaters and thermocouples), the servo-driven valve gate system FLEXflow, and gate-free valve gate technology for direct PMMA injection and fiber-reinforced polymers. The portfolio is complemented by process monitoring control units (T-Flow, V-Flow), FIM film injection molding, SLM technology, and CAE analysis and pressure loss calculation. Materials processed include ABS, PP, PMMA, polycarbonate, R-PET, and fiber-reinforced polymers. Customer industries include Automotive (Lighting, Interior, Exterior, Underhood), Thin Wall Packaging, Medical, Household Appliances, Beauty & Personal Care, and technical applications. Production takes place at the Italian headquarters, at the Hangzhou plant in China, and since 2015 in Michigan (USA); since 2021 the company has belonged to Oerlikon. The HRSflow GmbH in Raunheim is responsible for the DACH region.
- Site
- San Polo di Piave (TV)
- Processes
- Hot runner systems for injection molding (manufacturing and design), FIM – Film Injection Molding (back-/over-molding of decorated films in a one-step process), Servo-driven valve gate system FLEXflow HRS (independent control of stroke, force and, SLM technology (selective laser melting), CAE analysis and pressure loss calculation (gate number/placement, cascading,, Mold making for rotating multi-color and multi-component molds (automotive lighting), 24/7 customer service: installation, process fine-tuning, try-out, training, spare parts (standard, 2D/3D data provision for hot runner system components
- Materials
- ABS, R-PET, PP, PMMA, Polycarbonate, fiber-reinforced plastics, technical polymers, FLEXflow HRS
- Certificates
- ISO 9001:2015, ISO 14001:2015
- Founded
- 1987
- Industries
- Automotive Lighting, Automotive Interior, Automotive Exterior, Automotive Underhood, Autonomous and Electric Vehicles, Mobility
- 01
CAE analysis / pressure loss calculation
- 02
Hot runner design
- 03
Manufacturing (nozzles, manifolds, valve gates)
- 04
Control units T-Flow/V-Flow
- 05
Installation at the customer
- 06
Try-out and process optimization
- 07
Training, spare parts, 24/7 service
Materials & Processes
ABS
For high-stress, large-surface parts such as washing machine portholes with color-change requirements.
PP
Used, among other things, in compact stack molds for large automotive parts, containers, and pallets.
PMMA
Direct injection onto PMMA surfaces with gate-free valve gate technology.
Polycarbonate
Material for large-surface polycarbonate molded parts in the field of Plastic Glazing and Automotive Lighting.
R-PET
Sustainable applications such as the R-Box with the Pezzutti Group.
fiber-reinforced plastics
Processing with special valve gate technology to improve gate quality.
technical polymers
TECHflow HRS hot runner line for technical polymers and electronic applications.
FLEXflow HRS
Servo-driven valve gate system with independent control of stroke, force, and movement of each pin.
FIM – Film Injection Molding
Back-molding or over-molding of decorated films in a one-step process.
SLM Technology
Selective laser melting in the field of process optimization.
CAE analysis
Determination of gate number/placement, cascading, and cooling circuits.
T-Flow & V-Flow HRS
Control units for temperature regulation and sequential monitoring of the injection molding process.
Locations
San Polo di Piave (TV)
ITHeadquarters and European HQ, Via Piave 4
- Materials
- Plastics (ABS, PP, PMMA, PC, R-PET)
- Hot runner manufacturing
- Control units T-Flow/V-Flow
Hangzhou
CNProduction plant INglass Tooling & Hot Runner Manufacturing (China), Qiantang District
- Materials
- Plastics
- Hot runner production to the standards of the Italian HQ
Michigan
USProduction plant for North and South America (since 2015)
- Materials
- Plastics
- Hot runner production to the standards of the Italian HQ
Raunheim
DEDACH branch HRSflow GmbH, Am Prime-Parc 2A
- German-language service and hotline
Parts & Applications
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Hot runner systems for injection molding (manufacturing and design)Plastics | – | – | – | – | ABS, R-PET, PP, PMMA, Polycarbonate, fiber-reinforced plastics |
| FIM – Film Injection Molding (back-/over-molding of decorated films in a one-step process)Plastics | – | – | – | – | thermoplastic resins |
| Servo-driven valve gate system FLEXflow HRS (independent control of stroke, force andPlastics | – | – | – | – | – |
| SLM technology (selective laser melting)Additive | – | – | – | – | – |
| CAE analysis and pressure loss calculation (gate number/placement, cascading,Engineering | – | – | – | – | – |
| Mold making for rotating multi-color and multi-component molds (automotive lighting)Plastics | – | – | – | – | Polycarbonate |
| 24/7 customer service: installation, process fine-tuning, try-out, training, spare parts (standardAssembly | – | – | – | – | – |
| 2D/3D data provision for hot runner system componentsEngineering | – | – | – | – | – |
4 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Hot runner production plant | INglass Tooling & Hot Runner Manufacturing (China) Co., Ltd. | – | Total area 12,200 m², of which 9,600 m² production | 2009 | Hangzhou, China |
| Hot runner production plant | Oerlikon HRSflow | – | – | 2015 | Michigan, USA |
| Control units for process monitoring | Oerlikon HRSflow T-Flow HRS / V-Flow HRS | – | – | – | – |
| Special machinery fleet for rapid production of custom components | Oerlikon HRSflow | – | – | – | – |
Additional services
Reference customers
Quality & Certifications
The European HQ is certified to ISO 9001:2015 (SGS) and ISO 14001:2015; the Asian plant in Hangzhou holds its own ISO 9001:2015 certification. The plants manufacture according to uniform quality standards of the Italian headquarters.
| Evidence | San Polo di Piave (HQ) | Hangzhou |
|---|---|---|
| ISO 9001:2015 | ||
| ISO 14001:2015 |
History
- 1987
Maurizio Bazzo founds the company near Treviso; focus on rotating multi-color/multi-component molds for automotive lighting lenses
- 2000
Acquisition of A.S. (Attrezzature Speciali), Milan, with over 20 years of experience in the hot runner field
- 2001
Founding of the HRSflow division for the design and manufacture of hot runner systems; start of globalization
- 2003
Patent on the Fail-Safe system (dual heating elements and thermocouples)
- 2006
INglass becomes the company name; introduction of control units for monitoring the entire injection molding process
- 2009
Opening of the plant in Hangzhou, China (12,200 m² total, 9,600 m² production)
- 2013
Introduction of FLEXflow: patented electrically driven valve gate system
- 2015
Completion of the third production plant in Michigan (USA)
- 2016
Introduction of FLEXflow One
- 2017
Introduction of the FLEXflow Evo family
- 2018
New gate-free valve gate technology for direct PMMA injection and fiber-reinforced polymers
- 2019
Solution without water cooling of the actuator (thermal insulation, compact maintenance)
- 2021
Oerlikon acquires the company; Oerlikon HRSflow brand
- 2026
Opening of a new highly efficient production plant (15.01.2026)