1377 Duragauge® Safety Spring Tube Pressure Gauge
The Ashcroft® 1377 Duragauge® is a high-performance 4.5" ASME standard process pressure gauge featuring a sturdy front baffle safety structure for enhanced protection in demanding industrial applications.
Product Specifications
Performance & Construction
- Accuracy: ±0.5% of span (ASME B40.100 Grade 2A)
- Dial Sizes: 4½", 6", 8½"
- Process Connections: ¼ NPT, ½ NPT, 9⁄16-18 UNF-2B (high pressure)
- Connection Location: Lower, back
- Pressure Ranges: Vacuum, compound to 30,000 psi
- Case Style: Solid front with pressure relief back
- Movement: Rotary, adjustable, 400 SS, Teflon® coated
- Window Materials: Glass (standard), safety glass, acrylic, non-glare glass (optional)
- Pointer: Micrometer, adjustable, aluminum, maximum
- Weather Protection: Dry case (recommended for weather protected environments)
- Mounting Options: Stem, surface, flush or remote
- Dampening: PLUS!™ Performance
- Approvals: CRN
Non-Wetted Components
- Case Ring: Aluminum with black epoxy coating
- Back Cover: Steel, hinged, black enamel 300 SS
Environmental Conditions
| Version |
Ambient Temperature |
Process Temperature |
Storage Temperature |
| Dry |
-20°F to 200°F (-29°C to 93°C) |
-20°F to 250°F (-29°C to 121°C) |
-40°F to 250°F (-40°C to 121°C) |
Safety Feature: The durable front baffle safety structure provides enhanced protection against process media release, making this gauge ideal for critical industrial applications where safety is paramount.