Cover for 90° bends, with captive pre-assembled rotary latch locks, height-independent cover for wide-span 90° bends. Due to external influences, such as wind loads, use outdoors is only possible with additional security (self-tapping screws, steel band, etc.). Rotary latches WDRS 20 F can be used for additional requirements. for wide-span 90° bends: WRBR ... F WSBR ... F Dimensions (approx. dimension) B (inside): 504 mm Material: Steel, hot-dip galvanized in accordance with DIN EN ISO 1461 Material rotary latch locks: Steel, hot-dip galvanized in accordance with DIN EN ISO 1461