WASCO UHP169-31L2B-X1601

  • Product Name:​ Ultra-High-Purity Pressure Switch (UHP160 Series)
  • Product Introduction:​ All-welded stainless vacuum/pressure switch for corrosive and ultra-clean gas service. No elastomers, no O-rings, no leak paths.
  • Technical Specifications:
    • Setpoint Range:​ 1.6–29.5 inHg (vacuum side)
Category:
Description
    • Max System Pressure:​ 30 inHg (sensor 3 type)
    • Setpoint Tolerance:​ ±1.2 inHg
    • Reset Band:​ 1.0–4.6 inHg
    • Sensor Body:​ 316L stainless steel
    • Diaphragm:​ 17-7 PH SS + 316L SS
    • Fitting:​ 1/4″ VCR face seal (L2B code)
    • Leak Rate:​ ≤1×10⁻⁹ std cc/s He (SEMI F1)
    • Cycle Life:​ ≥1,000,000 operations
    • Protection:​ IP67 enclosure rating
    • Temp Range:​ -54 °C to +107 °C
    • Cleanroom:​ Built/packed in ISO Class 5 (Fed Std 100)
  • Functional Features:​ Hermetically welded; fixed or adjustable setpoint; snap-action microswitch output.
  • Application Scenarios:​ Semiconductor gas cabinets, ozone systems, UHP gas distribution, wet benches.
  • Installation Requirements:​ Torque VCR fittings to spec; orient away from vibration; purge line before pressurization.
  • Usage Notes:​ Never disassemble (welded); verify setpoint band matches process; store in clean bag until install.
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