List No. 1: Adapter flanges

piece repair couplings, repair rings for muffs, adapter flanges with gripping clamps, adapter couplings with gripping clamps, adapter flanges with easily replaceable grippers, adapter couplings with easily replaceable grippers) – according to specification lists

Elements for water supply network rehabilitation (adapter flanges, adapter couplings, adapter flanges for polyethylene, adapter couplings for polyethylene, adapter flanges with fixers, adapter couplings with fixers, two­