F-172, Integrated Sealing System for Sewer and Stormwater Pipes

System description

Forsheda 172 is designed for manhole systems in accordance with DIN V 4034-1. It is a load distribution element that is placed on the outer spigot end face of the manhole components in addition to the sealing ring. The plastomeric strip compensates for any unevenness between the load bearing surfaces of the manhole components, distributing the vertical load and preventing concrete to concrete contact which could lead to point loading and structural failure.

Forshesa 172, Trelleborg

Seal Performance

Forsheda 172 meets or exceeds the requirements of all the current relevant European standards including the requirements of DIN V 4034-1 regarding static load transfer.  


For safe and easy installation of manhole systems Trelleborg Pipe Seals offer F104, F116 and F118 sealing systems which can be used in conjunction with the F172 load distribution element.

The F160 integrated manhole sealing system is also recommended to be used with F172. 

Element dimensions

Available for manhole systems in accordance with DIN V 4034-1 in following dimensions:

Forsheda 172, Trelleborg


Ensure the surfaces of the manhole components are clean and free from damage. 

Take the F-172 from the packaging, unroll and place on the outer spigot and face as shown above. Install the sealing ring onto the spigot, and joint as normal. 

DN 800
DN 1000
DN 1200
DN 1500
DN 2000
DN 2500
DN 3000


Technical Approvals, Patents, Quality Standards

CE Mark

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