A-Series Explosion Proof Pressure Switch from Ashcroft

A-Series Explosion Proof Pressure Switch from Ashcroft
The Ashcroft® APA and APS explosion proof miniature pressure switches are designed for pressure control for applications in harsh or hazardous locations. The explosion-proof construction provides superior protection, while its compact design allows for easy integration into custom equipment or systems. Ideal for pressure alarm, shutdown or process control within hazardous areas when limited size and compatibility are required.


A-Series Explosion Proof Pressure Switch Features:

  • Compact, 316L stainless steel housing and wetted materials
  • Explosion-proof housing provides uncompromising protection
  • Pressure ranges from -15 psi (vacuum) to 15,000 psi
  • Wide operating temperature -40°F to 192°F (-40° to 89°C)
  • Factory set or field adjustable setpoint, Fixed deadband
  • Expanded selection of pressure and electrical connections
  • SIL3 Capable
  • FM,UL, CSA, ATEX and IECEx hazardous approvals
  • CE, CRN and 3A approved
  • RoHS compliant



A-Series Explosion Proof Pressure Switch Applications:

  • Process Market:
    • Refineries
    • Chemical and Petrochemical Plants
    • Offshore Oil Rigs
    • Oil and Gas Production
    • Oil Pipelines
    • Gas Transmission and Distribution Systems
    • Hydrogen applications
  • Industrial Market:
    • Pumps, Compressors and Turbines Specialized OEM Equipment



A-Series Explosion Proof Pressure Switch Specifications:

SetpointSingle setpoint - Factory set or field adjustable
Setpoint Repeatability (Accuracy)
  • ±2% of span. For ranges 200 through 15,000 psi
  • ±5% of span. For ranges -15/15 through 100 psi (additional setpoint shift ±2% of span per 40°F from initial setpoint setpoint at 70°F typical)
Diaphragm/Actuator Material316L stainless steel diaphragm or Stainless steel piston w/Viton or Buna-N O-ring
Enclosure Material316L Stainless steel
Enclosure RatingsNEMA 4X, 7, 9, IP 67
Pressure Connection
  • 1.5˝ Tri-Clover®, 2.0˝ Tri-Clover, G¼ B, G¼ A Type E Stub end
  • ½ FNPT, 7⁄16-20 SAE M, VCR, VCO, ¾˝ Tri-Clamp®,
  • 1⁄8 NPTF, ¼ NPTF, ¼ NPTM, 1⁄8 NPTM, ½ MNPT,
Switch OutputSPDT or DPDT
DeadbandFixed
Pressure RangesVacuum -15 to 15,000 psi
Ambient Temperature Range-40 °F to 192 °F (-40 ° to 89 °C)
Process Temperature
  • T5: -40°F to 192°F (-40°C to 89°C)
  • T6: -40°F to 165°F (-40°C to 74°C)


Download Ashcroft A-Series Explosion Proof Pressure Switch Datasheet


Contact us at (855) 737-4714 to learn more, or fill out our online form.
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