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A-Series Watertight Pressure Switch

Brand: Ashcroft Inc

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The Ashcroft® APA and APS watertight miniature pressure switches are designed for pressure control in harsh applications.

Its design allows easy integration into custom equipment or systems.

This model is ideal for pressure alarm, shutdown or control where size or compatibility is a consideration.

Specifications:
  • Accuracy: ±2.00% full scale
  • NEMA 6 (IP67); 316 stainless steel
  • SPDT or DPDT switching models
  • Pressure ranges: vacuum to 7,500 psi
Features
  • 316SS enclosure provides uncompromising protection 
  • Wide operating temperature (-40° to 100° C) 
  • Factory set or field adjustable setpoint 
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The Ashcroft® APA and APS watertight miniature pressure switches are designed for pressure control in harsh applications.

Its design allows easy integration into custom equipment or systems.

This model is ideal for pressure alarm, shutdown or control where size or compatibility is a consideration.

Specifications:
  • Accuracy: ±2.00% full scale
  • NEMA 6 (IP67); 316 stainless steel
  • SPDT or DPDT switching models
  • Pressure ranges: vacuum to 7,500 psi
Features
  • 316SS enclosure provides uncompromising protection 
  • Wide operating temperature (-40° to 100° C) 
  • Factory set or field adjustable setpoint 

Specifications

Adjustment Type

  • Factory Set (Pre-Set)
  • Field Adjustable

SAE Connection

  • 7/16”-20 SAE Male

Set Point - Increasing

  • bar: -1 to 500
  • kPa: -100 to 50,000
  • psi: -15 to 7,500

Enclosure, Body Material

  • 316L Stainless Steel
  • Stainless Steel

Repeatability

  • ± 2 % of Range

Switch Type

  • DPDT Switch: 5 A or 3 A 120 Vac, 2A @ 30 Vdc
  • SPDT Switch: 5 A or 3 A 120 Vac, 2A @ 30 Vdc

Shock

  • 75 G, 10 milliseconds 3 Axis

System Pressure

  • bar: 55 to 700
  • kPa: 5,500 to 70,000
  • psig: 800 to 10,000

Vibration

  • Passed MIL-STD-202 G

Deadband, Approximate

  • bar: 0.07 to 2.0
  • bar: 0.2 to 75
  • kPa: 20 to 7,500
  • kPa: 7 to 200
  • psig: 1 to 30
  • psig: 3 to 1,100

Set Point - Decreasing

  • bar: -1 to 500
  • kPa: -100 to 50,000
  • psi: -15 to 7,500

Electrical Rating

  • 2 A at 30 Vdc
  • 5 A at 28 Vac
  • 5 A or 3 A at 120 Vac

Diaphragm Material

  • 316 Stainless Steel

VCR / VCO Connection

  • VCO
  • VCR

NPT Connection

  • 1/2” NPT Female
  • 1/4” NPT Female
  • 1/8” NPT Female
  • 1/8” NPT Male

Approvals & Certifications

  • CE
  • CRN
  • CSA
  • RoHS
  • UL

Tri-Clamp Connection

  • 1-1/2” Tri-Clover
  • 2” Tri-Clover
  • 3/4” Tri-Clamp

Pressure Cycles

  • > 1 Million

Environmental Protection

  • IP67
  • NEMA 4X, 7, 9 / IP67
  • NEMA 7
  • NEMA 9

Pressure Range

  • bar: 1.03 to 13.8
  • bar: 7 to 500
  • kPa: 103.4 to 1,379
  • kPa: 700 to 50,000
  • psig: 100 to 7,500
  • psig: 15 to 200

Electrical - Free Leads

  • 18 AWG Wire Leads

Burst Pressure

  • bar: 655 to 3,500
  • kPa: 65,500 to 350,000
  • psi: 9,500 to 50,000

Proof Pressure

  • bar: 70 to 1,000
  • kPa: 7,000 to 100,000
  • psig: 1,000 to 15,000

Typical Applications

  • Offshore Platforms, Pipelines
  • Pulp & Paper
  • Refining, Chemical, Petrochemical