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EL Diaphragm Valves

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Description

We have developed a New material EL-PVDF and ELPTFE for the purpose of preventing the generation  of blisters and stress cracks. Their superior performance are proven by excellent laboratory and long term field tests. The EL material design extends the life approx.. twice as long as compared to conventional PVDF.L-PVDF  We designed the EL PVDF diaphragm valve specifically for Electrolysis plant applications. The Body and PTFE diaphragm are made from specially developed materials. The PVDF gas barrier prevents permeation of chlorinated gases. The diaphragm and compressor inserts are made of Palladium Titanium to prevent environmental stress cracks

Features and Benefits

  • Flanged (ANSI) face-to-face dimensions are equivalent to most commonly used metallic valves
  • Rugged body and bonnet are of solid thermo-plastic for maximum corrosion resistance
  • Uniquely designed body and bonnet together with diaphragms of new sealing designs by computer dynamic analysis for superior sealing
  • Weir design for excellent throttling
  • Bubble-tight sealing, even in applications such as slurries or suspended particles
  • Bonnet seals to protect internals from corrosive environments
  • Built-in travel stop to prevent over-tightening or compressive strain on diaphragm
  • Integrally molded bottom stand for simple yet firm panel mounting

Materials

  • Sizes: 1/2" - 4"
  • Models: Flanged (ANSI) Connection Only
  • Bodies: EL-PVDF
  • Bonnets: PVDF, PPG
  • Diaphragms: EL-PTFE
  • Hardware; Stainless Steel, Titanium
    • Indicator at the top for indication of valve position.

 

Available Actuators

  • Series 79 Pneumatic
  • Series 92 & 94 Electric
  • Series 83 Electromni

 

Options

  • 2" square nut
  • "T"operating nut for remote operation
  • Stem extensions (single and two-piece design)
  • Locking device for tamper-proofing
  • Manual limit switches for remote position indication by lights or for sequencing of other equipment

Typical Applications

  • Chemical Processing
  • Water & Wastewater
  • Landfills
  • Irrigation
  • Food Processing
  • Mining