GB T554-96 Type A Bollard GB/T 554-96 type A bollard is an ordinary double bitts bollard with a base.
GB 554-83 Bollard Marine bollard is one type of marine hardware that is installed on the dock for mooring ropes.
Double bitt bollard, namely bollard that having two pillars, has different shapes due to its different dock structures, berthing capacity or decorative purpose.
DIN82607 Mooring Bollard DIN 82607-1995 mooring bollard is a double bitt type bollard.
Features of DIN82607 Double Bollard 1. Industrial Standard: DIN82607-1995;
BSMA12 Double Bollards Marine bollards have many different types due to different conditions of wharf structure, ship size or other factors.
Double Bollard DIN 82607
Bollard NS2584