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Swagelok® Diaphragm Valves for High-Purity and Ultrahigh-Purity Service
Swagelok diaphragm-sealed valves are available in a wide variety of sizes,Diaphragm valves materials, and configurations to fill your needs for high-purity and ultrahigh-purity applications.

  • DP series springless diaphragm valves for high performance—working pressures up to 3045 psig and temperatures up to 300°F (150°C)
  • DF series high-flow, springless diaphragm valves—working pressures up to 300 psig (220 bar) and temperatures up to 270°F (132°C)
  • ALD diaphragm valves for atomic layer deposition—working pressures up to 145 psig (10.0 bar) and temperatures up to 392°F (200°C)
  • DL and DS series diaphragm valves—working pressures up to 3500 psig (241 bar) and temperatures up to 250°F (121°C)
  • LD series bulk gas diaphragm valves—working pressures up to 300 psig (20.6 bar) and temperatures up to 300°F (148°C)

See Swagelok diaphragm valves specifications and features:

More Information
Download these Swagelok diaphragm-sealed valves catalogs and technical reports.
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Ball valves, instrumentation, 40G series and 40 series

Instrumention Ball Valves—40G Series and 40 Series
Swagelok® 40G series and 40 series one-piece instrumentation ball valves are ideal for analytical instrumentation, laboratory, and research applications.
Ball valves, multipurpose SK series

Multipurpose Ball Valves—SK Series
Swagelok® SK series ball valves offer low-torque, quarter-turn operation in a compact design providing positive shutoff in applications up to 6000 psig (413 bar).