Dwyer Diaphragm Operated Pressure Switch, Series AP
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AP-7021-153-39

Series: Series AP Diaphragm Operated Pressure Switch Brand: Dwyer Instruments, LLC
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Specifications

Brand

Adjustment Type

  • External Screwdriver Slot

Approvals & Certifications

  • CE
  • FM
  • UL

Conduit Connection

  • 7/8” Hole for 1/2” Conduit Hub

Deadband

  • psig: 0.4 to 7 (kPa: 2.7 to 48, bar: 0.027 to 0.48)

Electrical Connectors

  • Screw Terminal

Electrical Rating

  • Mercury Switch: 2 A at 240 Vac/Vdc
  • Mercury Switch: 4 A at 120 Vac
  • Snap Switch: 0.25 A at 240 Vdc
  • Snap Switch: 0.5 A at 120 Vdc
  • Snap Switch: 15 A at 120 Vac
  • Snap Switch: 8 A at 240 Vac

Environmental Protection

  • Explosion-proof
  • Weatherproof

NPT Connection

  • 1/4” NPT Female

Sensor Orientation

  • Vertical for Mercury Switch Models

Set Point - Decreasing

  • bar: 0.07 to 8.62
  • Inches Hg: -10 to 0 psi
  • Inches WC: 0 to 50
  • kPa: 7 to 862
  • psig: 1 to 125

Set Point - Increasing

  • bar: 0.07 to 8.62
  • Inches Hg: -10 to 0 psi
  • Inches WC: 0 to 50
  • kPa: 7 to 862
  • psig: 1 to 125

Switch Type

  • SPDT Mercury Switch or Snap Switch

System Pressure

  • bar: 1.03 to 11.03
  • kPa: 103.4 to 1,103
  • psig: 15 to 160

Temperature Range

  • -35° to 66° C (-30° to 150° F)

Wetted Materials

  • 316 Stainless Steel
  • Nylon Reinforced Buna-N
  • PTFE
  • Steel

Documentation

Approvals

Catalogs

Manuals

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