The Whitman Controls J205V High Vacuum Low Set Point Vacuum Switches are among our most versatile offering, affording the end user an extensive operating environment and a wide range of set point op¬tionality. These switches can be exposed to severe vacuum conditions without compromising integrity or switch functionality. Uses include gas bottle change switches and oil or water supply control. They are frequently used in pump and reservoir applications. The internals are stainless steel with a diaphragm o-ring that is available in numerous options.
Key Features:
• Vacuum set points with overpres-sure feature, allowing the switch to be subject to high pressure without compromising integrity
• Set point options: Factory set, field adjustable, or a combination
• Extensive operating temperature range
• Wide range of electrical interfaces available
• SPDT or SPST availability
• Wide range of set point optionality
Specifications:
• Set point range: 1.6 to 28.2 InHg
• Max System vacuum: 29.9 InHg
• Temperature range: -65oF to +225oF (-54oC to +107oC)
• Amps: 5 Amps Max
• Sensor Element: Diaphragm
• Weight: 4.0 oz (varies slightly with electrical interface selection)
• Cycling: Not to exceed 100 CPM
• Wetted Parts:
Diaphragm: 316 Stainless steel
Seal: Loctite #271
Body / Fitting: 303 Stainless steel
O-Ring: Buna N Standard (Special material available upon request)
Standard Thread: 1/8-27 NPT male
Optional Threads: 1/4 VCR male, ¼-18 NPT male, 7/16-20 UNF male