Design: Hydrodynamic, single-arch rubber bellows with selfsealing rubber bulges and swivel backing flanges with support collar and tie rods Optionally with vacuum support ring

 

Nominal diameters: NB 20 to NB 1200, intermediate sizes possible

 

Installation length: Standard LE = 130 to 350 mm  Other installation lengths on request

 

Pressure: Depending on the nominal diameter up to 25 bar Vacuum-proof up to 0.8 bar absolute, with vacuum support ring up to 0.05 bar absolute Design in accordance with Pressure Equipment Directive PED 97/23/EC

 

Movement: For lateral movements Installation gap tolerances possible in the context of axial compression and extension

 

Stiffness rate: Lateral stiffness rates

 

Application: 

 

Cooling water systems, desalination plants, drinking water supply, plant construction, e. g. in pipelines, on pumps, as dismantling joints, on condensers and vessels