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SPDS Series Ultra-High Purity Diaphragm Valve

Brand: Carten-Fujikin, Inc

This SPDS (diaphragm Design) is intended for bulk gas distribution where containment, cleanliness and purity are of the utmost importance.
Features
  • High Cv Manual Diaphragm Valve, Compact “T” Round Body Design
  • Ultra-High Purity Bar Stock Stainless Steel/PCTFE/Vespel® Valve Construction
  • Elgiloy® Tied-Diaphragm for Maximum Flow on Valve Sizes – .500" and .750" Only
  • Springless, Packless Design – Low Dead Volume / Internal Flowpath
  • 10 Ra Max – Electropolished Surface Finish – Std (Optional Surface Finishes Available)
  • Purge Connections and Purge Valves are Integrated in Valve Body
  • Valve Body and Tube Stubs are Serialized for Material Certification

Specifications

Material of Construction

  • Elgiloy, 316L Stainless Steel, PCTFE
  • 303 Stainless Steel

Maximum Operating Pressure

  • SPDA, SPDSA: Vacuum to 250 psig (0 to 17.2 bar)
  • SPDS: Vacuum to 375 psig (25.8 bar)

Operating Temperature

  • -22° to 302° F (-30° to 150° C)

Orifice

  • 0.25” (6.35 mm)
  • 0.5” (12.7 mm)

Flow Coefficient

  • 0.41 Cv, 0.64 Cv, 0.68 Cv, 2.81 Cv, 3.15 Cv, 7 Cv, 9 Cv

  • High-purity gas system control valves
  • High-purity gas control for point-of-use service
  • Superior containment and cleanliness for your most critical valve applications
  • Use with inert and most toxic gases
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