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Diaphragm-Sealed Valves — Ultrahigh-Purity High-Flow Diaphragm Valves, DF Series

Valves available with these specifications:

  • 1/4 to 1/2 in.
  • –10°F (–23°C) to 150°F (65°C)
  • 316L VIM-VAR stainless steel
  • 125 psig (8.6 bar) to 300 psig (20.6 bar)

Your local authorized Swagelok sales and service center may have additional options.

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Safe Product Selection

The complete catalog contents must be reviewed to ensure that the system designer and user make a safe product selection. When selecting products, the total system design must be considered to ensure safe, trouble-free performance. Function, material compatibility, adequate ratings, proper installation, operation, and maintenance are the responsibilities of the system designer and user.

⚠ Warning: Do not mix/interchange Swagelok two-ferrule tube-fitting end connection components (or other products not governed by industrial design standards) with those of other manufacturers.

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