Large bore flange couplings are specially designed for large bore hoses starting from DN 200 up to DN 400. Due to the lightweight, large bore flange couplings are very user friendly during hose assembly.
 

Stainless steel AISI 304 and white plated steel.
 

Smooth hose shank: RK safety clamps according to EN 14420-3.

Serrated hose shank: band or bolted clamps.