Double parallel piping Delta-p 1 1/4" VA For the hydraulically ideal flow through two triple water sofeners type Delta-p 1 1/4" consisting of: 2 Connection sets for the quick connection of Delta-p 1 1/4" water softeners, free of strain consisting of: 1 Connection block with 2 ball-type shut-off valves 2 Flexible stainless steel fabric hoses DN 32 1 Parallel piping (Tichelmann piping) of two triple water softeners, incl. all required connection components Material : stainless steel Flange connection: DN 50