Plastics

• PP

  PP = Polypropylene
  (Synonym Hostalen®)
  Used with pumps, housings and hand nozzles

  • Good resistance against aggressive media, acids, alkalis and neutral, non-flammable liquids
  • Available as semi-finished products in tubes and flat material
  • Available as granulate for injection moulding
  • Weldable
  • Colour: grey at the pumps
  • Temperature range up to approx. 50 – 60 °C
• PVDF

  PVDF = Polyvinylidene fluoride

  • Used with pumps and housings
  • Very good resistance against strong acids and alkalis and neutral, non-flammable liquids
  • Available as semi-finished products in tubes and flat material
  • Available as granulate for injection moulding
  • Weldable
  • Colour: white as the pumps
  • Temperature range up to approx. 80 °C
  • Twice as expensive as PP
• PPS

  PPS = Polyphenylene sulphide
  (Synonym Ryton®)

  • Used at the measuring chamber of the flow meter FMC 100
  • Used at the housing and oval rotors of the flow meter FMO
  • Good resistance against acids and alkalis
  • High dimensional accuracy
  • High mechanical strength
  • Available as granulate for injection moulding
• PTFE

  PTFE = Polytetrafluoroethylene
  (Synonym Teflon®)

  • Used with diaphragms, stators, slide bearings
  • Very good resistance against all liquids
  • Available as semi-finished products in tubes and flat material
  • Easy to handle
  • Not weldable
• PTFE / Carbon

  PTFE / carbon
  PTFE = Polytetrafluoroethylene + 33 % carbon
  (Synonym Teflon®)

  • Used with slide bearings and mechanical seals
  • Very good resistance against all liquids
  • Electrically conductive
• ETFE

  ETFE = Ethylene tetrafluoroethylene
  (Synonym Tefzel®)

  • Used at rotors and measuring chambers of the flow meter FMC
  • Very good resistance against all liquids
  • High dimensional accuracy
  • High mechanical strength
  • Available as granulate for injection moulding
• POM

  POM = Polyoxymethylene
  (Synonyms Acetal® or Delrin®)

  • Used with the housing of air-operated diaphragm pumps
  • High dimensional accuracy
  • High mechanical strength
  • Easy to handle
  • Do not use with strong acids and oils
  • Electrically conductive
• PA

  PA = Polyamide
  (Synonyms Nylon® or Rilsan®)

  • Used with the motor housing FEM 4070
  • High dimensional accuracy
  • High mechanical strength
  • High temperature stability
• PE

  PE = Polyethylene
  (Synonyms Hostalen® or Lupolen®)

  • Used at the measuring chamber of the flow meter FMC 250
  • Good resistance against acids and alkalis
  • Easy to handle
  • Available as granulate for injection moulding