Stainless steel vacuum switch W117V

The Whitman Controls W117V Ultra Pure Stainless Steel Vacuum 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: 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: Electric beam welded, helium leak tested (4 x 10-9 Std cc/sec) • Weight: 3oz (varies slightly with electrical interface selection) • Cycling: 3H/5H – Not to exceed 60 CPM, 10H – 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