Use in on-site pipe sleeve or waterproof concrete core bore (white tank)
Hinged design, for pipes that are already installed
Easy assembly thanks to precise dimensions, large sealing areas
Permanently sealed – no need to re-tension later (maintenance-free)
Greater sealing performance of the gasket insert thanks to DPS and DOYMA-Grip
Water-tight welded bolts
With quick release (up to DN 500) for safe and secure closure
For retrofitting around existing pipe
Can be used for twin/element walls
Gas and water-tight
Bending of medium pipes up to 8º is possible
Can accommodate axial movements
Single sealing
Hinged design – available from DN 600 in split version with additional steel ring for stabilisation
Certified under FHRK test regulation GE 101 (no. G 30 322-2-1)
Split frame rings: asymmetrically profiled steel rings (DPS to KB/DN 350), with quick release (up to DN 500), GGV triple corrosion protection coating; optionally made of stainless steel 1.4301 (V2A) or 1.4571/1.4404 (V4A)
Split rubber seal with step cut: elastomer, 27 mm thick EPDM seals (DOYMA-Grip), optional EPDM-TW, NBR (fuel/ oil-resistant) or silicone (high temperature-resistant) or FPM (chemical-resistant)