Each boiler should be equipped with an independent sewage discharge pipe, and the sewage discharge pipe should minimize bends to ensure smooth discharge and connect to a safe outdoor location or sewage expansion tank. If several boilers regularly discharge sewage through a common pipeline, proper safety measures must be taken. When using a pressurized sewage expansion tank, a safety valve should be installed on the sewage discharge tank.
Each boiler shall be equipped with separate sewage pipes, sewage pipes should minimize the elbow, ensure smooth blowdown and to the outdoor safe place or expansion of the sewage box, periodic blowdown several boilers use a total drainage pipe, there must be proper safety precautions, the sewage expansion tank pressure, equipped with safety valve should the sewage tank.