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
Specifications:
- Set point range: 0.80 to 500 PSIG
- Max System pressure: 150% of sensor capacity
- Temperature range: -65°F to +225°F (-54°C to +107°C)
- Amps: 5 Amps Max
- Sensor Element: Electric beam welded, helium leak tested
- Weight: 3.0 oz (varies slightly with electrical interface selection)
- 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: 1/4 VCR Male, 1/4-18 NPT Male
