ISO 14644-7 Transfer Devices - Foster Wheeler Italiana

ISO 14644-7: Design and Construction• Built-in test facilities and appropriate alarms shall be included.• Transfer device(s) shall be appropriate to process and routine operation.• Filtration shall be appropriate for application.• Whenever possible, items requiring maintenance shall be external to the separativedevice.• Materials used in the construction of separative devices, including sealing materials,fans, ventilation systems, piping and associated fittings, shall be chemically andmechanically compatible with the intended processes, process materials, applicationand decontamination methods. Protection against corrosion and degradation duringprolonged use shall be considered. Heat and fire resistant construction materialsshall be considered when appropriate (see Annex B). Where appropriate, materialsused shall be checked for thermal characteristics, sorption and out gassingproperties. Materials selected for viewing panels shall be tested and proven toremain transparent and resistant to changes that would prevent clear visibility.22