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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.
Unit of Measure

Specifications

Brands

N/A Ashcroft®

Setpoint

N/A Single Setpoint - Factory Set or Field Adjustable

Enclosure Material

N/A 316L Stainless Steel

Switch Output

N/A Single Pole Double Throw (SPDT) Double Pole Double Throw (DPDT)

Ambient Temperature Range

N/A -40 to 257 ºF-40 to 125 ºC

Setpoint Repeatability (Accuracy)

N/A ± 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 ºF from Initial Setpoint at 70 ºF Typical

Enclosure Ratings

N/A National Electrical Manufacturers Association (NEMA) 7 National Electrical Manufacturers Association (NEMA) 9 National Electrical Manufacturers Association (NEMA) 4X Ingress Protection (IP67)

Deadband

N/A Fixed

Diaphragm/Actuator Material

N/A 316L Stainless Steel Diaphragm Stainless Steel Piston with Fluorocarbon (FKM) or Buna-N® O-Ring

Pressure Connection (National Pipe Thread (NPT) Female)

N/A 1/8 in1/4 in1/2 in

Process Temperature

Process Temperature T5

N/A -40 to 192 ºF-40 to 89 ºC

Process Temperature T6

N/A -40 to 165 ºF-40 to 74 ºC

Pressure Connection

Pressure Connection Size

N/A Videocassette Recording (VCR) 1.5 in. Tri-Clover® 2.0 in. Tri-Clover® 3/4 in. Tri-Clamp® 7/16-20 Society of Automotive Engineers (SAE) Male G1/4 A Type E Stub End G1/4 B Voltage-Controlled Oscillator (VCO)

Pressure Connection (National Pipe Thread (NPT) Male)

N/A 1/8 in1/4 in1/2 in

Pressure Ranges

Pressure Ranges

N/A 15 to 15,000 psi

Gauge Function

N/A Vacuum Pressure

Key Features

Key Features

N/A
  • 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 ºF to 192 ºF (-40° to 89º 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

Applications

Applications

N/A 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