9WPS Explosion Proof Compact Pressure Switch

Brand: Winters Instruments

The 9WPS Series is a explosion proof compact pressure switch. This is a miniature size hazardous location pressure switch having factory set or field-adjustable set points, fixed deadbands (differentials) and a piston sensor. The switch is designed to provide long life and maintain excellent set-point accuracy despite environmental conditions.
Features
  • Vac to 10,000 psi pressure range
  • Explosion proof SPDT or DPDT switch
  • Stainless steel with FKM and PTFE wetted parts
  • ANSI dual seal design
  • Diaphragm seal/piston sensor
  • Safe to adjust during operation
  • Lockable setpoint wheel to avoid shifting during operation
  • ±2% of full scale accuracy
  • NEMA 4X, 7 & 9 enclosure rating
  • CSA approved for hazardous locations
  • Designed for sour gas applications requiring NACE standards MR0175-2009
  • CRN registered (up to 3,000 psi models)
  • 5 year warranty

Specifications

Switch Type

  • Vacuum Pressure: 1 to 30 Hg
  • Low Pressure: 2 to 500 psi
  • High Pressure: 100 to 10,000 psi

Wetted Material

  • Fitting: 316 SS
  • Piston: 410 SS (Heat Treated to RC. 36-42)
  • Back-up Ring: PTFE

Ambient Temperature

  • -40 °F to 149 °F
  • -40 °C to 65 °C

Documentation

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