
75 mm Rubber Gasket
Rubber sealing gasket for flexible duct systems
These rubber gaskets ensure complete and long-lasting airtightness of the ventilation system. Made of high-quality rubber, they easily fit onto flexible ducts and guarantee sealed connections without the need for additional glue or tapes.
Why choose these sealing gaskets?
These gaskets are an essential component when installing a flexible duct ventilation system. Made from durable EPDM rubber, they are resistant to aging, temperature fluctuations, and moisture, ensuring long-lasting airtightness.
The importance of system airtightness
Failing to ensure proper airtightness at the ventilation system's joints can lead to air leaks, which drops the efficiency of the heat recovery unit and increases electricity consumption. High-quality rubber gaskets prevent air from escaping at connection points, thereby guaranteeing efficient and quiet system operation.
Compatibility with ventilation components
The gaskets are perfectly adapted for 75 mm and 90 mm diameter flexible ducts. They are used when connecting ducts to diffuser boxes, distribution manifolds, dampers, and other connection fittings. ORO Haus specialists will help you assemble all the necessary sealing elements for your system.
Technical specifications
Key parameters of the rubber gasket ensuring system longevity and reliability.
| Parameter | Value |
|---|---|
| Material | EPDM rubber |
| Purpose | Joint sealing |
| Duct diameter | 75 mm / 90 mm |
| Moisture resistance | Yes |
Dimensions by diameter
Exact dimensions of the gasket according to the selected duct size can be found below.
| Parameter | 75 mmSelected | 90 mm |
|---|---|---|
| Outer diameter (D) | 79 mm | 94 mm |
Installing rubber gaskets is a quick process that ensures reliable airtightness without any special tools.
Preparation
Before fitting the gasket, ensure the duct end is cut straight and cleanly, and the surface is not damaged.
Fitting the gasket
The gasket is carefully slipped onto the end of the duct, typically fitting it into the first or second groove of the duct's corrugation, depending on the depth of the connecting fitting.
Connecting to the fitting
The duct with the fitted gasket is firmly pushed into the port of the distribution box, manifold, or other fitting until you feel it lock into place. To ease insertion, the gasket can be slightly moistened.

Complete your flexible duct system
Choose ventilation ducts, distribution boxes, locking clips, and other installation elements for quick setup.
Frequently Asked Questions
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