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.
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
Setpoint
Single 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 Material
316L stainless steel diaphragm or Stainless steel piston w/Viton or Buna-N O-ring
Enclosure Material
316L Stainless steel
Enclosure Ratings
NEMA 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 output
SPDT or DPDT
Deadband
Fixed
Pressure Ranges
Vacuum -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)
