768-S Diaphragm
Pressure Switches

Compact model for cleanliness and sterilization

Our Model 768-S diaphragm pressure switch is ideal for low pressure and vacuum applications, and its compact size allows it to meet tight space requirements. The Delrin® housing makes this switch an excellent choice when sterilization and cleanliness are necessary.

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Features

  • Fixed pressure
  • Diaphragm
  • 26”Hg-125psig range
  • 3-125psig range

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Specifications

  • Temperature range from -40 to 160°F
  • Pressure connection: 1/8″-27 NPT
  • At 28 VDC:
    • 7 amps resistive
    • 4 amps inductive
    • 2 1/2 amps lamp load
  • 3 terminal tabs #8 – 32 with SEMS screws
  • Delrin hydraulic housing
  • Aluminum electric module anodized
  • Nitrile, fluorocarbon and ethylene propylene
  • NEMA Type 2
  • 3 to 125 PSIG
  • 3 to 26 inches Hg

Available Options

  • Snap-action electrical switch tested to 1 million cycles
  • Available in brass and stainless steel
  • Exceptional accuracy and repeatability
  • Low hysteresis
  • Media compatibility

Applications

  • Emission and air quality monitoring
  • Load monitoring
  • Water systems
Operating Pressure Data
Series Range Number Pressure Range Tolerance On Set Pressure* Dead Band* Max System Pressure Proof Pressure
768-S Hg – * 3″ Hg – 26″ Hg ± 0.5 / ± 1.5″ Hg 1.0″ / 3.0″ Hg 10 PSIG 15 PSIG
768-S – * 3 – 125 PSIG ± 1.0 / ± 2.5 PSIG 1.5 / 6.0 PSIG 150 PSIG 225 PSIG

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