These Duct Access Doors for Circular Ducting can be easily removed to allow for duct cleaning and routine hygiene maintenance also for inspection and testing of induct items. The FastFix range of Circular Duct Access Doors is manufactured in the UK by Ace Filtration, to provide a quick and efficient means of access/inspection to in-duct items such as control dampers, fire dampers, heating/cooling coils, attenuates and filter sections
Please refer to DW144: Specification for Sheet Metal Ductwork, Appendix M, Table 25 which gives recommendations regarding the number, minimum size and location of doors. TR/19, the HVCA’s Guide to Good Practice on Cleanliness of Ventilating Systems, states that in addition to the recommendations of DW144, Spiral Duct Access Panels should be located at a minimum every 10m for general systems and at a maximum 3m centres for kitchen extract systems
