Valves

Diaphragm Valves for High Performance

Diaphragm Valves for High Performance

DQ-Series - Springless Diaphragm Valves for High Performance

  • 316L VIM-VAR stainless steel body
  • Suitable for ultrahigh-purity applications
  • Elgiloy material for strength and corrosion resistance for
  • long cycle life
  • Fully contained PCTFE seat design provides excellent
  • resistance to swelling and contamination
  • Ultrahigh-Purity Process Specification
  • Wetted Surface Electropolished, Roughness Ra finished
  • to an average of 0.13 μm.
  • -9 3 helium leak tested, maximum leak rate of 1x10 std cm /s
  • Low-pressure and high-pressure models
  • Manual or pneumatic actuation
  • aluminum piston accelerated open/close speed
  • handle types and colors are available

DM-Series: All-metal Diaphragm Valves for High Performance

  • All metal containment packless
  • Repetitive shutoff with fully contained softseat stem tip
  • Working pressures from vacuum to 3500 psig (241 bar)
  • Temperatures from-100 to 250°F (-73 to 121°C)
  • Round handle, approximately one and one-half turns to operate from fully open to closed.
  • Lever handle, just one-quarter turn of the handle to actuate the valve from fully open to closed.
SeriesDescriptionWorking Pressure
SW-SeriesBellows-Sealed Valves68.9 Bar
SU-Series

Bellows-Sealed Valves

172 Bar
DQ-Series

High-Pressure Diaphragm Valves

210 Bar
DQ-Series

Low-Pressure Diaphragm Valves

17.2 Bar
DM-SeriesAll-metal Diaphragm Valves 241 Bar
VDV30-Series

High-Pressure Diaphragm Valves 

300 Bar