The difference between outdoor and outdoor fire hydrant pump adapter?
The two, the main difference is that, in the fire hydrant is fire pipeline system to a jet device, which is in fire pump adapter
The outdoor fire hydrant can have a DN100 interface for the fire vehicle, this function with the same pump adapter, another DN65 port for enterprise self rescue. It can only be used to pump water with fire sprinkler
When the fire inside the building of the water pipeline system pressure is small, then the car fire hose connected to the pipe on the pump adapter, internal water, used to supplement the piping system pressure is an essential difference, out of water, a water inside.