Forsheda 165, Sealing System for Sewer and Stormwater Concrete Pipes

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System Description

Forsheda 165 is a one-piece integrated seal that is cast into the socket during pipe or manhole manufacture. The seal can also be used for concrete pipe connections to manholes.

Forheda 165. Trelleborg

Seal design & function


The seal is produced from two different hardness of rubber.
  1. Forming part, made of hard rubber, (70 IRHD) ensures a secure and accurate joint profile during casting. 
  2. Sealing part, made of soft rubber, (50 IRHD) is a combined lip and compression seal.
  3. Holding sections are cast into the concrete during pipe manufacture and secure the seal in the correct position.
  4. Slurry lips seal against the pallet preventing ingress during concrete compaction.

Forheda 165. Seal performane. Trelleborg

Seal Performance

The seal meets or exceeds the requirements of all current relevant European standards including the FBS demands.


Rubber

Material

  • Synthetic EPDM rubber
  • Dual hardness 
  • Sealing part 50±5 IRHD
  • Forming part 70±5 IRHD
  • Approved in accordance with EN 681-1
  • Protected against ozone

Seal Dimensions

Examples of Sizes (mm)

PROFILE Effective thickness MM A- MM  B- MM

12

12.0 12.4 64.5
14 14.0 14.7 72.4
14T 14.0 14.6 86.5
18 18.0 18.4 89.2
18N 18.0 18.4 98.3
18T 18.0 18.4 109.2
22 22.0 22.4 107.1
22T 22.0 22.6 119.4
26 26.0 26.5 128.3
Forheda 165. Trelleborg

Dimensions and designation

All data in millimeter.

On each seal, profile thickness, outer diameter, recommended pipe measurement and production period are given. The corresponding data are also on the packaging.

Subject to change for technical reasons

service

Do you need support?

Please contact Trelleborg Pipe Seals for technical advice and joint design recommendations to meet your performance requirements. We will be happy to support you.

Video Joint Assembly

Forheda 165. Trelleborg

Step 1

Check that the socket and spigot are in good condition and free from mud and gravel. Apply lubricant to the spigot. This should be spread evenly over the surface paying special attention to the front radius of the spigot.

Forheda 165. Trelleborg

Step 2

Center the spigot into the socket and push the pipes together. The seal design prevents concrete to concrete contact.

Downloads

More detailed information]

Datasheet Forsheda 165

 

Download (pdf)

Brochure Forsheda 165

 

Download (pdf)

Certificates

Technical Approvals, Patents, Quality Standards

Kitemark
BVQI
CE Mark
Kiwa
MFPA
FBS

Contact

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