Which part of the pipe does fire hydrant fire pipe mean?
Is connected to the fire hydrant pump and fire hydrant box in the middle of the pipe network, directly out of the fire hydrant called the main pipe, to reach each area or floor, there is a branch pipe to the fire hydrant box combination.
Never heard of fire pipes"! The fire water supply pipe and riser, ring pipe and branch pipe ground fire hydrant, fire hydrant box plate configuration with gun hose, hose disk and DN25 and DN25 connect the valve. Did you say "fire pipe" means the hose of the DN25?.
