DEPA® Air Operated Diaphragm Pumps, Stainless Steel Pumps, Series L, Type DL-SF/SFS

DEPA® DL-SFS and DEPA® DL-SF pumps are made of electropolished cast stainless steel with a surface finish of up to Ra 3,2 μm and FDA (Food & Drug Administration) approved elastomers. The pumps distinguish themselves through their versatile application range and rugged construction.

Features And Benefits

  • Polished Cast Stainless Steel surface provides easy cleaning
  • Tri-Clamp industry standard connections suitable for food and pharmaceutical applications
  • Rugged Design with FDA approved diaphragms, valve balls and valve seats

Technical Details


  • Housing Material 1.4404/316L electropolished
  • Clamp band design
  • Center Block 1.4301/304 or 3.2383 nickel plated, polished
  • Air chamber 1.4404/316L or 1.4301/304


  • ½” (DL15), 1” (DL25), 1 ½” (DL40), 2″ (DL50), 3″ (DL80)


  • Beverage & Food
  • Chemical
  • Cosmetics
  • Pharmaceutical


  • Machinery Directive 2006/42/EC

ATEX compliant in accordance with directive 2014/34 EU:

  • II 2GD Ex h IIB T6…T4 GbDb
  • II 2GD Ex h IIC T6…T4 GbDb
  • only SFS: I M2 Ex h IIB T6…T4 Mb
  • Eurasian Conformity
  • FDA Conformity
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