Pumps
View Details
Gearboxes
View Details
Pipes and Piping Components
View Details
Gebhardt-Stahl Standard Square Duct Connection System
View Details
Electric Motors
View Details
Aerolift Vacuum Lifting Systems
View Details
Seonghwa Pipe Steel Hangers and Supports
View Details
Nursan Electromagnetic Brakes
View Details

Gebhardt-Stahl Flexible Duct Connector System

Gebhardt-Stahl Standard Square Duct Connection System​

View Details

Ex-proof Square Duct Connection System

View Details

Gebhardt-Stahl Sealants & Sealing Materials

View Details

If you want to increase assembly speed, guarantee safety, and choose a long-lasting solution for your projects, contact us immediately, the sole authorized dealer in Turkey, for detailed information about this system.

Do you have a project in mind?

Feel free to contact us.

Contact Us

İzmir Ofis

Instagram Linkedin Facebook

Gebhardt-Stahl Standard Square Duct Connection System​

Gebhardt-Stahl “Flexible Duct Connector System”, Flexible Duct Connector System” is a self-assembly solution developed for use with square air ducts.  The user can quickly+C276:C286
It ensures high airtightness, eliminating the need for additional sealing tape.
It offers ideal performance in fan-duct connections thanks to vibration and thermal expansion damping.
Compatible with existing slip strips and flange systems for easy integration with square ducts.
It saves approximately 50\% in installation time and can be commissioned immediately after assembly.


Material and Technical Specifications – flex.x-PVC
* Special PVC material, with sealing lips on both sides
* Ideal for producing flexible connections in square air duct connections
* Can also be used in circular compensators
* Color: Gray
* Temperature resistance: –30 °C to +80 °C
* Tested according to DIN EN ISO 846 standard
* Frame profile options: 20 mm / 30 mm
* Material options: Galvanized steel, AISI 1.4301 / 1.4404 stainless steel
* Complies with VDI 6022 hygiene standard

Standard Square Duct Connection System Product Brochure

Посмотреть детали

Standard Square Duct Connection System Product Catalog

Посмотреть детали

Gebhardt-Stahl Ex-proof Square Duct Connection System

Gebhardt-Stahl “Flexible Duct Connector System”, is a self-assembly solution designed for square air ducts. The user can quickly produce the required flexible connection on-site.
The system’s high sealing performance eliminates the need for additional gaskets.
Thanks to its vibration and thermal expansion damping features, it offers a long-lasting solution for fan-duct connections.
Fully compatible with slip strips and flange systems; it shortens assembly time by approximately 50\% and can be commissioned immediately after installation.


Material and Technical Specifications – flex.x-Atex
* Special PVC material for antistatic and EX-protected areas
* Structure with sealing lips on both sides
* Suitable for producing flexible connections for square air ducts
* Color: Black
* Temperature resistance: –10 °C to +70 °C
* Frame profiles: 20 mm / 30 mm
* Material options: Galvanized steel, AISI 1.4301 / 1.4404 stainless steel
* Complies with VDI 6022 standard

Standard Square Duct Connection System Product Brochure​

View Details

Standard Square Duct Connection System Product Catalog​

View Details

Gebhardt-Stahl Sealants & Sealing Materials

Gebhardt-MAXX

Product Type: High-Performance Hybrid Polymer-Based Sealant

Gebhardt-MAXX is a hybrid polymer-based sealant developed for ventilation ducts and industrial kitchens, offering outstanding adhesion performance. With compliance to VDI 6022 hygiene standards and resistance to powder coating processes, it is an ideal solution for the most demanding projects.

Key Features:

  • Fully Hygienic: Certified according to VDI 6022 (RLT systems) and ISO 846 standards; resistant to bacterial and fungal growth.
  • Suitable for Kitchen Exhaust Systems: Highly resistant to kitchen exhaust air, moisture, and seawater.
  • Paintable Surface: Can be painted after curing and is suitable for powder coating applications.
  • Environmentally Friendly: Free from solvents and silicone; classified as EMICODE EC1 (very low emissions).
  • Versatile Application: Provides excellent adhesion on metal, glass, wood, and concrete surfaces for both indoor and outdoor use.

Technical Details

  • Base Material: Hybrid Polymer
  • Temperature Resistance: -40 °C to +90 °C
  • Color: Grey
  • Packaging: 290 ml / 600 ml

Gebhardt-MASTIC

Product Type: Butyl Rubber-Based Sealing Mastic

Short Description:
Gebhardt-MASTIC is a silicone-free sealing mastic based on butyl rubber, specifically formulated to ensure airtight sealing in air duct systems. It is a durable filler material that maintains its plastic structure over time and can be safely used in kitchen exhaust systems.

Key Features:

  • Kitchen Compatibility: Resistant to kitchen exhaust air and moisture.
  • Standards Compliant: Meets VDI 6022 hygiene requirements and is ISO 846 certified.
  • Structural Properties: Retains its plasto-elastic structure after curing and adapts well to vibrations.
  • Application Areas: Suitable for both indoor and outdoor use.
  • Composition: Silicone-free and paintable (not suitable for powder coating curing processes).

Technical Details

  • Base Material: Butyl Rubber
  • Temperature Resistance: -20 °C to +70 °C
  • Color: Grey
  • Packaging: 310 ml / 560 ml

Gebhardt-PLAST

Product Type: Acrylic Dispersion-Based Mastic

Short Description:
Gebhardt-PLAST is a water-based, odorless acrylic mastic used for joint sealing and insulation applications in ventilation ducts. Offering an economical and reliable solution, it is ideal for standard HVAC applications.

Key Features:

  • Safe Composition: Water-based, solvent-free and silicone-free; odorless.
  • Certified Hygiene: Complies with VDI 6022 hygiene standards, ISO 846 certified, and classified as EMICODE EC1 Plus (very low emissions).
  • Application Performance: Provides good adhesion on surfaces such as metal, concrete, and brick.
  • Usage Limitation: Intended for standard ventilation systems; not recommended for kitchen exhaust systems or areas with continuous water exposure.
  • Paintability: Can be painted after curing.

Technical Details

  • Base Material: Polyacrylic Dispersion
  • Temperature Resistance: -20 °C to +80 °C
  • Color: Grey
  • Packaging: 310 ml / 600 ml / 5 kg / 6 kg / 15 kg

Gebhardt-SILIC A

Product Type: Acetoxy-Curing Silicone Sealant

Short Description:
Gebhardt-SILIC A is an acetoxy-curing silicone sealant developed for ventilation systems requiring high temperature resistance and excellent UV stability. It provides superior protection against harsh weather conditions and aging.

Key Features:

  • High Temperature Resistance: Maintains its properties across a wide temperature range from -60 °C to +150 °C.
  • Outdoor Durability: Fully resistant to UV radiation, aging, and light exposure.
  • Elasticity: Remains permanently elastic and is suitable for expansion joints.
  • Hygiene: Fungicidal properties help prevent fungal growth.

Important Note:
Due to its acidic curing (acetoxy) system, compatibility tests are recommended when used on galvanized steel and sensitive metals, as there may be a risk of corrosion.

Technical Details

  • Base Material: Acetoxy-Based Silicone
  • Temperature Resistance: -60 °C to +150 °C
  • Color: Grey
  • Packaging: 310 ml