Superior Sealing for Chemical and Abrasive Processing Applications

  • The Science Inside: Proprietary diaphragm technology provides exceptional sealing and complete emissions control.
  • Unmatched Experience & Innovation:  A comprehensive selection of polymers delivers superior corrosion and abrasion resistance for a wide range of demanding applications, since 1928.
  • Efficient Operation: Top  Entry design enables in-line maintenance to reduce plant downtime

Lining Chemical name Body material Size Temperature
PFA Perfluoralkoxy SG Iron DN15 - DN200 -10 Deg C to 175 Deg C
ETFE Ethylene Tetrafluoroethylene SG Iron DN15 - DN150 -10 Deg C to 150 Deg C
PVDF Polyvinylidene Fluoride SG Iron DN15 - DN150 -10 Deg C to 125 Deg C
PP Polypropylene SG Iron DN20 - DN150 -10 Deg C to 85 Deg C


Our Metal bodies provide simultaneous mechanical support for the linings and protection against Ultraviolet (UV) attack. The nominal bore thickness of Saunders linings range from 1 to 5.5mm depending on lining material and valve size: Glass 1mm, Rubber 2 – 4.5mm, Plastic 4 – 5.5mm.


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