Type 5 Polymer Diaphragm Seals

Key Features

  • For wastewater and chemical feed applications, as well as most applications with a corrosive media
  • Constructed of corrosion-resistant PP glass fiber reinforced upper housing and
    PP, PVC or PVDF lower housing
  • Protects pressure or vacuum instruments used on ultra-pure or highly corrosive
    fluid lines such as demineralized water, sulfuric acid, hydrochloric acid, and caustics
  • PTFE coated EPDM diaphragms are standard on all assemblies
  • 100% non-metallic wetted parts assures maximum chemical and temperature 

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  • Wastewater and chemical feed
  • Deionized water systems
  • Reverse osmosis systems
  • Desalinization systems
  • Electroplating 

Suitable pressure gauge sizes 2-1/2", 4", 4-1/2" and 6"
Will also operate with most transducers, transmitters and pressure switches
Minimum span pressure 30 psig
Maximum working pressure see temperature / pressure chart
Upper housing material PP
Diaphragm material EPDM-PTFE coated on process side
Lower housing material PVC, PP or PVDF