1.1.3. Safe Change Filter Housing SCF classic

Ventilation systems in areas like laboratories, chemical, pharmaceutical or nuclear industry have to separate toxic particles, radioactive particles and pathogen agents in order to save the environment, the production or the health of the personnel. Filter systems have to meet high demands regarding the safety and efficiency of particle separation. For these applications Krantz developed the Safe Change Filter Housing, type SCF classic.





Nominal air flow per filter element up ro 6 675 l/s [24 000 m³/h] (higher on request)
Admissible differential pressure ± 6 000 Pa (higher on request)
Design temperature 90 °C
Tightness of filter housing acc. to
DIN 24 496
leckage rate < 3 · 10-5  of nominal air flow at Δp = 2 000 Pa
Tightness of filter seat acc. to
DIN 24 496
leckage rate < 3 · 10-5  of nominal air flow at Δp = 2 000 Pa



  • Compact stainless steel housing
  • Clamping of the HEPA filter elements by means of self-adjusting spring system
  • Test groove for each filter element
  • Special collar for the safe change technology

Various technical high-quality options to equip the system like e. g.

  • an automatic disinfection device, to be connected gastightly to the filter housing, utilize a disinfection of the filter housing and filter media
  • a gastight shut-off damper, which is integrated in the air inlet- and outlet chamber

complete the offer of this product.