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F-Series NEMA 7 Pressure Switch

Brand: Ashcroft Inc

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The Ashcroft® F7 Pressure Switch was designed for use in harsh or hazardous applications where shutdown, control or alarms are required.

Its slim profile allows for easy installation and retrofits with many similar models. Ideal choice for satisfying hazardous and corrosive environments.

Specifications:
  • Accuracy: ±1.00% full scale
  • NEMA 3,4, 7 & 9 (IP66) anodized aluminum enclosure
  • Single setpoint
  • Pressure ranges: vacuum to 4,000 psi
  • Fixed deadband
  • 1/2" NPT male conduit connection
  • SPDT or DPDT switching option
Features
  • Explosion-proof enclosure with hermetically sealed switch elements provide added safety and reliability 
  • Wide selection of switch elements wetted materials 
  • Multiple process connections available 
  • Adjustable setpoints from 15%-100% of range 
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The Ashcroft® F7 Pressure Switch was designed for use in harsh or hazardous applications where shutdown, control or alarms are required.

Its slim profile allows for easy installation and retrofits with many similar models. Ideal choice for satisfying hazardous and corrosive environments.

Specifications:
  • Accuracy: ±1.00% full scale
  • NEMA 3,4, 7 & 9 (IP66) anodized aluminum enclosure
  • Single setpoint
  • Pressure ranges: vacuum to 4,000 psi
  • Fixed deadband
  • 1/2" NPT male conduit connection
  • SPDT or DPDT switching option
Features
  • Explosion-proof enclosure with hermetically sealed switch elements provide added safety and reliability 
  • Wide selection of switch elements wetted materials 
  • Multiple process connections available 
  • Adjustable setpoints from 15%-100% of range 

Specifications

Adjustment Type

  • Factory Set (Pre-Set)
  • Field Adjustable

Ambient Temperature Range

  • -29° to 65° C (-20° to 150° F)

Approvals & Certifications

  • CE
  • CSA
  • UL

Deadband, Approximate

  • bar: 0.12 to 5.51
  • bar: 3.45 to 24.13
  • kPa: 12.41 to 551
  • kPa: 345 to 2,413
  • psig: 1.8 to 80
  • psig: 50 to 350

Electrical Connectors

  • 1/2” NPT Male

Electrical Rating

  • 1 A at 125 Vac
  • 11 A, 125/250 Vac, 5 A, 30 Vdc
  • 5 A at 125/250 Vac

Enclosure, Body Material

  • Aluminum

Environmental Protection

  • IP54
  • IP66
  • NEMA 3, 4, 7, 9 / IP54, 66
  • NEMA 4
  • NEMA 7
  • NEMA 9

NPT Connection

  • 1/2” NPT Female
  • 1/4” NPT Female

O-Ring Material

  • Buna-N
  • None
  • Teflon
  • Viton

Operating Temperature

  • -18° to 93° C (0° to 200° F)

Process Connection Material

  • 316 Stainless Steel

Proof Pressure

  • bar: 68.94 to 275.79
  • bar: 827 to 1,103
  • kPa: 6,894 to 27,579
  • kPa: 82,737 to 110,316
  • psig: 1,000 to 4,000
  • psig: 12,000 to 16,000

Set Point - Decreasing

  • 30” Hg to 4,000 psig
  • bar: 0 to 275.8
  • Inches Hg: -30 to 0
  • kPa: 0 to 27,580
  • psig: 0 to 4,000

Set Point - Increasing

  • 30” Hg to 4,000 psig
  • bar: 0 to 275.8
  • Inches Hg: -30 to 0
  • kPa: 0 to 27,580
  • psig: 0 to 4,000

Standard Features

  • Dual Set Point
  • Hermetic Seal Snap-Acting Switch Element

Switch Type

  • SPDT

System Pressure

  • bar: 0 to 275.8
  • Inches Hg: -30 to 0
  • kPa: 0 to 110,316
  • psig: 0 to 16,000