SAUNDERS® ER Resilience Elastomer Diaphragm

Saunders® elastomer diaphragms consist of a range of proprietary materials specifically developed by Saunders® team of in-house polymer technologists to meet the demands of Life Science applications.

Features And Benefits

  • Excellent mechanical strength and good all round resistance to Life Science process and utility applications
  • Full batch traceability provides maximum security, reliability and repeatable performance
  • Organic peroxide cured for reduced extractables and leachables
  • Full global compliance and testing to FDA, USP Class VI and BSE/TSE

Technical Details


  • One piece design utilises a threaded engagement to the valve compressor
  • Fabric reinforcement positioned to provide support and optimise mechanical strength


  • EPDM


  • DN8 (0.25”) – DN150 (6.00”)


  • -40 ⁰C (-40 ⁰F) to 110 ⁰C (230 ⁰F) Liquid Media
  • 150 °C (302 ⁰F) Max Steam Sterilization (Max 180 minutes per cycle)


  • FDA-compliant to 21CFR part 177.2600
  • Compliant to USP Class V and VI, <87>, <88>
  • Compliant with ASME BPE part SG

Certified ADCF (Animal Derived Component Free), certified

  • Certified ADCF (Animal Derived Component Free), phthalate free and PFOA free
  • Fully lot traceable to EN 10204 3.1
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