liquid pressure switch / stainless steel



  • Fluid:

    for liquids

  • Other characteristics:

    stainless steel

  • Process temperature:

    Max.: 225 °F (107 °C)

    Min.: -65 °F (-54 °C)

  • Pressure range:

    Max.: 500 psi

    Min.: 0.8 psi


The Whitman Controls W117G Ultra Pure Stainless Steel Pressure Switches have all welded stainless steel interiors which are Helium leak checked to pass 4 x 10-9 Std CC/Sec. These switches are used in silicon wafer ovens, numerous medical devices and other applications where even the slightest impurities are not tolerated. There are a number of fitting options available featuring the ¼” VCR Male and many interface options to fit any application.
Key Features:
• High purity
• Welded stainless steel body and interiors, helium leak checked
• Set point options: Factory set, field adjustable, or a combination
• Extensive operating temperature range
• Wide range of electrical interfaces available
• SPDT or SPST availability
• Set point range: 0.80 to 500 PSIG
• Max System pressure: 150% of
sensor capacity
• Temperature range: -65oF to +225oF (-54oC to +107oC)
• Amps: 5 Amps Max
• Sensor Element: Electric beam welded, helium leak tested • Weight: 3oz (approx.)
• Cycling: 3H/5H – Not to exceed 60 CPM, 10H/25H/50H – Not to exceed 20 CPM
• Wetted Parts:
Capsule: 17-7 PH, electron beam welded
Fitting: 303 Stainless steel
Standard Thread: ⅛-27 NPT male
Optional Threads: ¼ VCR male, ¼-18 NPT male