Overview
The Ashcroft pressure gauge 0-250 PSI is a brass bellows gauge designed for measuring low to medium pressure ranges in industrial and commercial applications. This ASME-compliant instrument provides reliable, accurate pressure readings across pneumatic systems, air compressors, hydraulic lines, plumbing fixtures, and gas delivery systems. The brass bellows design offers sensitivity and repeatability across the full scale range.
Key Features
- Brass bellows sensing element for corrosion resistance and durability
- ASME B40.100 Grade construction for industrial reliability
- 0-250 PSI measurement range suitable for air, gas, and light hydraulic applications
- Polycarbonate or glass window for clear dial visibility
- Standard 1/4 NPT or 1/2 NPT connection sizes
- Multiple mounting options: stem, flush, and surface mount
Technical Specifications
- Pressure Range: 0-250 PSI
- Sensing Element: Brass bellows
- Case Material: Steel or aluminum (painted or polished)
- Connection Size: 1/4 NPT or 1/2 NPT (lower or back mounted)
- Mounting Type: Stem, flush flange, or surface mount
- Window Material: Polycarbonate or tempered glass
- Accuracy Class: ±3.0% or ±2.0% of full span (Grade B or Grade A)
- Operating Temperature Range: -40°F to +150°F (-40°C to +65°C)
- Dial Size: 2.5″ to 3.5″ (63 mm to 89 mm)
- Fluid Media: Air, inert gases, non-corrosive liquids
Typical Applications
- Air compressor monitoring and control
- Pneumatic system pressure verification
- Pump discharge pressure indication
- Hydraulic system secondary circuits
- Gas cylinder and regulator pressure display
- Plumbing system pressure checks and diagnostics
- HVAC and refrigeration compressor outlet monitoring
- Industrial machinery auxiliary pressure lines
Compatibility & Replacements
Compatible With
- Standard NPT threaded connections (1/4″ and 1/2″)
- ASME and ISO industrial pressure system standards
- Pneumatic and light hydraulic piping systems
- Gauge isolation blocks and diaphragm seals
- Snubbers for pulsating pressure applications
Replaces / Drop-In Replacement For
- Ashcroft 1187, 1188, 1189 low-pressure bellows gauges (where 0-250 PSI range matches)
- Generic brass bellows gauges rated 0-250 PSI
- Similar competitive bellows gauges with equivalent NPT connections
Works With
- Pressure gauges snubbers and dampers for fluctuating systems
- Isolating diaphragm seals for corrosive or thermal processes
- Standard gauge blocks with NPT ports
- Pressure transducers for remote indication or logging
- Industrial process control and monitoring systems
