A-Series Watertight Pressure Switch
The Ashcroft® APA and APS watertight miniature pressure switch is designed for pressure control in harsh applications. Its design allows for easy integration into custom equipment or systems. Ideal for pressure alarm, shutdown or control when size or compatibility is a consideration.
Key Features:
- 316L stainless steel enclosure provides uncompromising protection
- Pressure ranges from vacuum to 15,000 psi (1000 Bar)
- Wide operating temperature -40°F to 212°F (-40°C to 100°C)
- Factory set or field adjustable setpoint with Fixed deadband
- Expanded selection of pressure and electrical connections
- SIL 3 Capable
- UL, CSA, CE, CRN and 3A approved
- RoHS Compliant
- NSF-61 Compliant
Applications:
Process Market:
Offshore Oil Rigs
Chemical and Petrochemical Plants
Water and Wastewater Pressure Control
Pulp and Paper
Industrial Market:
Heavy Vehicle Hydraulic Braking
Specialized OEM Equipment
Medical and Life Sciences Market:
Autoclaves and Sterilizers
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 +/- 2% of span setpoint shift per every 40°F above and below 70°F)
Diaphragm/Actuator Material
316L Stainless steel
Diapragm or 316L stainless steel piston w/Viton or Buna-N O-ring
Switch output
SPDT or DPDT
Deadband
Fixed
Enclosure Ratings
NEMA 6, IP67
Enclosure Material
316L Stainless steel
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,
Pressure Ranges
Vacuum -15 to 15,000 psi
Ambient Temperature Range
-40 °F to 212 °F (-40 °C to 100 °C)
Process Temperature
-40 to 212°F (-40°C to 100°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.