Polymer Diaphragm Seal


NOSHOK announces the availability of a new reduced pressure polymer diaphragm seal, which is ideal for wastewater and chemical feed applications  as well as most applications with a corrosive media. This seal protects pressure or vacuum instruments used on ultra-pure or highly corrosive fluid lines such as demineralized water, sulfuric acid, hydrochloric acid and caustics.         

Applications include wastewater and chemical feed, deionized water systems, reverse osmosis systems, desalinization  systems and electroplating. 


  • Constructed of corrosion-resistant PP glass fiber reinforced upper housing and PP, PVC or PVDF lower housing
  • Teflon™ coated EPDM diaphragms are standard on all assemblies
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