A-Series Explosion Proof Pressure Switch
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.
Key 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
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
Specifications
Certifications & Approvals
Data Sheets & Instruction Manuals
Drawings & Product/Technical Information
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)
Contact Ashcroft
Ashcroft is a trusted source for pressure, temperature, and test instruments around the world. Learn more about how we can help you protect your people, processes, and profits.