FEATURES

„

Wide selection of bourdon tube materials,

pressure connections and pressure ranges

„

PLUS!™ Performance dampens vibration,

shock and pulsation effects

„

Customizable dial printing options

TYPICAL USES

„

Refineries

„

Chemical and petrochemical plants

„

Offshore oil rigs

„

Water and wastewater pressure control

„

Pulp and water

„

Mining and metals

„

Equipment skids

„

Specialized OEM equipment

„

Cryogenics

SPECIFICATIONS

Accuracy:

±0.5% of span (ASME B40.100, Grade 2A)

Sizes:

41

⁄2˝, 6˝, 81⁄2˝

Range:

Vacuum to 100,000 psi

Process Connection

Location:

Lower, back

Process Connection

Size:

1

⁄4 NPT Male, 1⁄2 NPT Male, 9⁄16-18 UNF-2B

(high pressure connection)

Case Style:

Solid front with pressure relief back

Movement:

Rotary, adjustable

Movement Materials:

400 SS, Teflon™ coated pinion gear and segment

Window Material:

Glass (STD.), acrylic window (OPT.), shatterproof

glass (OPT.)

Dial:

Aluminum, white background, black pressure

scale

Pointer:

Micrometer adjustable, aluminum

Weather Protection:

Dry case: Case not sealed, recommend for

weather protected environment only

Liquid filled or field fillable: IP66 or NEMA 4X

Hermetically sealed: IP66

Dampening Options:

Liquid: glycerin, silicone, Halocarbon®,

PLUS!™ Performance

Mounting:

Stem, surface, flush

Approvals:

CE/UKCA, CRN

NON-WETTED COMPONENTS

Case

Ring

Back Cover

Aluminum

Polypropylene

Polycarbonate

KEY BENEFITS

•Uncompromised standards and material integrity

•Rugged aluminum case (black epoxy coated)

• Corrosion resistance in many environments

1379

41

⁄2˝, 6˝, 81⁄2˝ dial size

MIN/MAX TEMPERATURE LIMITS

Version

Ambient

Process

Storage

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)

PLUS!™

-40 °F to 150 °F

(-40 °C to 66 °C)

-40 °F to 200 °F

(-40 °C to 93 °C)

-40 °F to 150 °F

(-40 °C to 66 °C)

Glycerin fill

20 °F to 150 °F

(-7 °C to 66 °C)

20 °F to 150 °F

(-7 °C to 66 °C)

0 °F to 150 °F

(-18 °C to 66 °C)

Silicone fill

-40 °F to 150 °F

(-40 °C to 66 °C)

-40 °F to 200 °F

(-40 °C to 93 °C)

-40 °F to 150 °F

(-40 °C to 66 °C)

Halocarbon®

fill

-40 °F to 150 °F

(-40 °C to 66 °C)

-40 °F to 200 °F

(-40 °C to 93 °C)

-40 °F to 150 °F

(-40 °C to 66 °C)

WETTED COMPONENTS

Bourdon Tube

Process Connection Materials

Joints

316L SS

316L SS

Welded

316L SS

Steel

Welded

K-Monel® 500 Tube

Monel® 400

Welded

C510 Phos. bronze

Brass

Silver brazed

Iconel®

316L SS (60-1379 only)

Welded

Note: Other than discoloration of the dial and hardening of the gasketing that may occur as ambient

or process temperatures exceeds 150 °F, non-liquid-filled gauges with standard glass windows, can

withstand continuous operating temperatures up to 250 °F (121 °C). Liquid-filled gauges can withstand

200 °F (93 °C) but glycerin fill and acrylic window will tend to yellow. Accuracy at temperatures above

or below the reference ambient temperature of 68 °F (20 °C) will be affected by approximately 0.4% per

25°F. Gauges with welded joints will withstand 750 °F (400 °C), 450 °F (232 °C) with silver brazed joints

for short times without rupture, although other parts of the gauge will be destroyed and calibration will be

lost. For continuous use and for process or ambient temperatures above 250 °F (121 °C), a diaphragm

seal or capillary or siphon is recommended.

TM

of 4

1

1379 Duragauge® Pressure Gauge

Data Sheet

All specifications are subject to change without notice. All sales subject to standard terms and conditions.

Ashcroft®, Duragauge®, DuraVis™,

Plus!™, Trust the Shield® are trademarks and Gold ServiceSM is a service mark

of Ashcroft Inc. The following non-Ashcroft trademarks are the property of their respective owners: Halocarbon®,

Inconel®, Monel®, Teflon™. For more information, see Ashcroft Brands & Trademarks

©2024 Ashcroft Inc. 1379_gauge_ds_RevL_09-24-24

ashcroft.com

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