Forsheda 171 is a sliding seal with a prelubricated closed sliding mantle resulting in low jointing force as there is no friction between rubber and concrete.
The joint design should comply with the requirements of Din V 4034-1. Connected to the seal is a load distributor element which prevents concrete to concrete contact between the manhole sections.
Protected against ozone
A combination of a pre-lubricated sliding seal with integrated load distributor element for concrete manhole systems
100 % leak-free
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
Stretch the seal onto the spigot and position against the shoulder.
Equalize the stress in the seal by lifting and releasing at a few points.
The seal must sit evenly against the spigot shoulder all around the manhole. Lubrication of the socket or spigot is not required.
Technical Approvals, Patents, Quality Standards
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