<h2>Overview</h2>
<p>The <strong>Ashcroft 45-1279SS-04L-30IMV&30# Duragauge</strong> is a high-performance 4.5″ ASME style process pressure gauge designed for demanding industrial pneumatic and air systems. Engineered for safety and reliability, this gauge delivers accurate pressure readings in applications where durability and precision are essential. The unit features a solid front stainless steel case and dual-scale dial (0-30 PSI / 0-30 in. Hg vacuum), making it suitable for both positive pressure and vacuum measurement.</p>
<h2>Key Features</h2>
<ul>
<li>4.5″ diameter ASME-style dial for clear, easy-to-read measurements</li>
<li>Dual-scale reading: 0–30 PSI and 0–30 in. Hg vacuum</li>
<li>Solid front stainless steel case for corrosion resistance and extended service life</li>
<li>1/2″ NPT bottom connection for standard industrial pneumatic line installation</li>
<li>10-year pressure system warranty</li>
<li>Ideal for air compressors, pneumatic systems, and vacuum applications</li>
</ul>
<h2>Technical Specifications</h2>
<ul>
<li><strong>Pressure Range:</strong> 0–30 PSI</li>
<li><strong>Vacuum Scale:</strong> 0–30 in. Hg</li>
<li><strong>Dial Size:</strong> 4.5″ (114.3 mm)</li>
<li><strong>Case Material:</strong> Stainless Steel (solid front)</li>
<li><strong>Connection:</strong> 1/2″ NPT (bottom)</li>
<li><strong>Internal Format:</strong> Glycerin-filled movement (impact and vibration resistant)</li>
<li><strong>Compliance:</strong> ASME B40.1</li>
<li><strong>Warranty:</strong> 10 years</li>
</ul>
<h2>Typical Applications</h2>
<ul>
<li>Air compressor outlet monitoring and pressure verification</li>
<li>Pneumatic system pressure regulation and control</li>
<li>Vacuum pump and evacuation system monitoring</li>
<li>Industrial maintenance and service technician applications</li>
<li>OEM equipment pressure diagnostics</li>
<li>Process automation and control system verification</li>
</ul>
<h2>Compatibility & Replacements</h2>
<h3>Compatible With</h3>
<ul>
<li>Standard 1/2″ NPT pneumatic and air lines</li>
<li>Industrial air compressor systems</li>
<li>Pneumatic control valve networks</li>
<li>Vacuum pump and evacuation equipment</li>
<li>Process automation and monitoring systems</li>
</ul>
<h3>Replaces / Drop-In Replacement For</h3>
<ul>
<li>Other Ashcroft 1279 Duragauge models with identical connection and pressure range</li>
<li>Standard 0–30 PSI 4.5″ industrial process gauges with 1/2″ NPT connection</li>
</ul>
<h3>Works With</h3>
<ul>
<li>Industrial pneumatic control systems and regulators</li>
<li>ASCO pneumatic valve systems</li>
<li>Parker pneumatic components</li>
<li>Industrial air line accessories (snubbers, isolators, diaphragm seals)</li>
</ul>
