According to the AwSV, special constructions are prescribed on manhole chucks, e.g. feedthroughs to concrete structures to plastic pipelines. In accordance with the specifications, the new SABUG- AwSV shaft liner with approvals Z-40.23-578 and Z-74.9-198 meets the following requirements:
- chemically resistant give JGS
- pullout proof construction
- directly weldable with the IP-plus welding system
- freely adjustable to the wall thickness