Oil Impregnated Sintered Self-Lubricating Square Hole Bronze Bushing

Fire / smoke / volume control damper is a important safety device for high building to be used for fire protection in heating, ventilation, and air conditioning ducts to reduce and prevent the spread of fire and smoke inside the building through fire-resistance walls, doors and floors.

This kind of device is not using daily, only in emergent status like fire happens. It maybe keep silence for long time before it works. But when it should working, it should working very well immediately.

Currently we are producing the bronze bush bearing for square shaft of fire damper. The bronze bush is with 12% oil impregnated, no needs checking or adding oil lubricant during the whole lifetime of it. Also bronze material is anti-corrosive.

Check here (oil sintered bronze bush) to know more about this square hole flanged bronze self lubricating bushing.

We can produce the customized size bushings as per you requirements.