Image unavailable
Image unavailable
Ashcroft
Ashcroft 1279 Duragauge Pressure Gauge
Quote on request
No online payment · add lines to RFQ BOM
4.5 in Duragauge; to 30,000 psi; ±0.5% Grade 2A; IP66. RFQ + selection help.
Download datasheet PDF
RFQ cart holds BOM lines only. Submit for engineering quote.
Key parameters
Measuring range
Vacuum, compound to 30,000 psi
Accuracy
±0.5% of span (ASME B40.100 Grade 2A)
Accuracy % FS
0.5
Output
none (mechanical dial)
Process connection
¼ NPT Male, ½ NPT Male, 9/16-18 UNF-2B Aminco (high pressure); lower / back / side / top
Wetted parts
316L SS / steel / K-Monel 500 / C510 phosphor bronze Bourdon tube options per datasheet
Fits process-grade analog pressure where you need an Ashcroft 1279 Duragauge 4.5 in solid-front gauge covering vacuum to 30,000 psi with ±0.5% of span (ASME Grade 2A).
Key advantages
- Ranges — Vacuum, compound, 15 to 30,000 psi
- Accuracy — ±0.5% of span (ASME Grade 2A)
- Case — 4.5 in solid-front Duragauge
- Ingress — Liquid filled/fillable IP66 / NEMA 4X (S&P); hermetic IP66
- Use — Process and industrial pressure indication
Typical applications
- Process plant local pressure.
- High-pressure Duragauge indication.
- NEMA 4X liquid-filled installs.
Selection guide
- Range — Including high psi
- Fill — Dry vs liquid vs hermetic
- Connection — Lower/back
- Material — Tube/socket system
Common mistakes
- Ordering Grade B utility gauges for process accuracy.
- Ignoring solid-front safety case needs.
- Wrong fill fluid for media/temperature.
When to RFQ / what to tell us
- Range, connection, fill, materials.
- Quantity and ship-to.
Request a Quote · Get selection help
Specs
| Spec | Value |
|---|---|
| SKU | 30752 |
| Brand | Ashcroft |
| Model | 1279 Duragauge Pressure Gauge |
| Product type | Pressure Gauge |
| Range | Vacuum, compound, 15 to 30,000 psi |
| Accuracy | ±0.5% of span (ASME B40.100 Grade 2A) |
| Ingress | Liquid filled/fillable: IP66 or NEMA 4X (S&P); hermetically sealed: IP66 |
| Notes | 4.5 in. ASME process gauge, solid-front case |
Documents
FAQ
Q: Accuracy? A: ±0.5% of span (ASME Grade 2A).
Q: Dial size? A: 4.5 inch Duragauge.
Q: What should I send for a quote? A: Range/connection/fill, quantity, ship-to.
Links
| Parameter | Value |
|---|---|
| Measuring range | Vacuum, compound to 30,000 psi |
| Accuracy | ±0.5% of span (ASME B40.100 Grade 2A) |
| Accuracy % FS | 0.5 |
| Output | none (mechanical dial) |
| Process connection | ¼ NPT Male, ½ NPT Male, 9/16-18 UNF-2B Aminco (high pressure); lower / back / side / top |
| Wetted parts | 316L SS / steel / K-Monel 500 / C510 phosphor bronze Bourdon tube options per datasheet |
| Housing | Phenolic solid-front case with polycarbonate pressure-relief back; threaded polycarbonate ring |
| Protection | Dry unsealed (weather-protected); liquid filled/field fillable IP66 / NEMA 4X (S&P); hermetically sealed IP66 |
| Media temperature | Dry −20…250 °F (−29…121 °C) process; PLUS! −40…200 °F; glycerin/silicone/Halocarbon fills per table |
| Ambient temperature | Dry −20…200 °F (−29…93 °C); PLUS! −40…150 °F; glycerin 20…150 °F; silicone/Halocarbon −40…150 °F |
| Pressure type | gauge |
| Display | 4½″ dial, aluminum white with black scale; micrometer adjustable pointer |
| Approvals | CE; CRN; NSF-61 |
| Fill fluid | Dry, glycerin, silicone, Halocarbon, or PLUS! Performance |
| Mounting | Stem, surface, flush (std); pipe, remote (opt) |
| Notes | Ashcroft 1279_gauge_ds. Solid-front safety case. Movement 400 SS Teflon-coated rotary adjustable. |
| Diaphragm Seal | Compatible with Ashcroft diaphragm seal assemblies |