Use in on-site pipe sleeve or waterproof concrete core bore (white tank)
Permanent plug seal
Easy assembly thanks to precise dimensions
Permanently sealed – no need to re-tension later (maintenance-free)
Greater sealing performance of the gasket insert thanks to DOYMA-Grip
Water-tight welded bolts
Gas and water-tight
Single ‘plugged’ sealing
Certified under FHRK test regulation GE 101 (no. G 30 322-2-1)
Frame rings: steel rings, GGV triple corrosion protection coating; optionally made of stainless steel 1.4301 (V2A) or 1.4571/1.4404 (V4A)
Rubber seal: elastomer, 27 mm thick EPDM seal (DOYMA-Grip), optional EPDM-TW, NBR (fuel/oil-resistant) or silicone (high temperature-resistant) or FPM (chemical-resistant)
