Overview
The Ashcroft 250-2362-A is a precision pressure gauge from Ashcroft’s Duragauge series, engineered for industrial pneumatic and hydraulic applications. This 0-400 PSI gauge combines bronze tube construction with brass socket brazed connections, delivering proven durability and accuracy in demanding environments. The 4.5″ ASME-style design meets standard industrial pressure measurement requirements across water systems, compressors, and process industries.
Key Features
- Bronze tube, brass socket brazed – Corrosion-resistant Bourdon tube with secure brazed connection rated to 1,000 PSI maximum
- ASME standard 4.5″ dial – Meets industry standards for case safety and performance; includes solid front safety case
- Teflon®-coated movement – 400 series stainless steel internal mechanism for smooth, reliable operation and extended service life
- Temperature rated to 250°F (121°C) – Continuous operating capability in moderate to high temperature applications
- 10-year warranty – Ashcroft’s standard system warranty on pressure components
Technical Specifications
- Pressure Range: 0–400 PSI
- Gauge Type: Bourdon tube (analog mechanical)
- Case Diameter: 4.5 inches
- Case Material: Steel with solid front safety face
- Tube Material: Bronze
- Connection Type: Brass socket (bottom mount), brazed construction
- Connection Rating: 1,000 PSI maximum
- Operating Temperature: –40°F to +250°F (–40°C to +121°C)
- Temperature Accuracy Shift: ±0.4% per 25°F variation from 68°F reference
- Internal Movement: Teflon®-coated 400 series stainless steel
- Dial Standard: ASME B40.100
- Finish Rating: IP66 or NEMA 4X (liquid-filled configurations); IP66 (dry configurations)
Typical Applications
- Pneumatic system pressure monitoring (air compressors, air distribution lines)
- Hydraulic equipment and machinery (presses, pumps, cylinders)
- Water and wastewater treatment systems
- Industrial process monitoring in chemical and manufacturing plants
- HVAC and refrigeration pressure measurement
Compatibility & Replacements
Compatible With
- All standard industrial pneumatic and hydraulic circuits up to 1,000 PSI system pressure
- Bottom/side mount configurations in standard industrial pipe and SAE port sizes
- Both dry and liquid-filled gauge applications
- Systems requiring ASME B40.100 standard instrumentation
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The Ashcroft 250-2362-A is a specific SKU variant within the Duragauge 1279 family and may directly replace other 0–400 PSI bronze tube gauge models from equivalent series, provided socket type and mounting match your existing installation.
Works With
- Standard industrial gauge isolation snubbers and needle valves
- Pressure relief systems and limit switches
- Swivel adapters and siphons (optional accessories)
- Both hermetically sealed and open-case configurations depending on environment












