Ashcroft 1279

Type 1279 Duragauge® Pressure Gauge Available With PLUS!™ Performance Option
• Solid front case design, field convertible to hermetically sealed or liquid filled style • Pressure ranges from vacuum — 30,000 psi. • Select from various socket and Bourdon tube materials. • Micrometer adjustable pointer. • 400 Series stainless steel movement wears better for longer life • Teflon-coated pinion forlonger life • Patented Duratube™ with welded-tube construction controls stresses for longer life • PLUS!™ Performance Option: - Liquid-filled performance in a dry gauge - Fights vibration and pulsations without iquid-filled headaches - Order as option XLL
The Ashcroft® Duragauge® pressure gauge is the finest production gauge on the market for industrial use where precise indications are required.The product line offers a wide variety of case styles, Bourdon tubes and pressure ranges to meet your application needs . With the component combinations available in the Duragauge gauge line, over ten million variations are possible to serve the needs of all types of industries, including process, power, nuclear, aerospace and cryogenics.
PRODUCT SPECIFICATIONS Model Number: 1279 Accuracy:Ranges: Dial Size: Case Material: Weather Protection:
1

Movement: Bourdon Tube and Socket:

Rotary, 400 SS, Teflon® coated pinion gear and segment C510 Phos. bronze/brass brazed (A) 316L SS/steel (R) 316L SS/316L SS (S) K Monel/ Monel (P)
1

Connection Size: Connection Location: Fill:

⁄4˝, 1⁄2˝ NPT

Lower or back L-Glycerin-Standard XGV-Silicone-Optional XGX-Halocarbon-Optional XLL HOPTIONAL FEATURES

PLUS! Performance: Hermetic Seal:

Flush Mounting Ring: X56 Receiver Gauge: XPR Shatter Proof Glass Window: XSG Acrylic Window: XPD Set Hand: Maximum Pointer: XSH XEP

STANDARD RANGE TABLE*
Pressure – psi Range 0/15 0/30 0/60 0/100 0/160 0/200 0/300 0/400 0/600 0/800 0/1000 0/1500 0/2000 0/3000 0/5000 0/6000 0/10,000 0/20,000 0/30,000 Compound Range 30˝ Hg/15 psi 30˝ Hg/30psi 30˝ Hg/60 psi 30˝ Hg/100 psi 30˝ Hg/150 psi 30˝ Hg/200 psi 30˝ Hg/300 psi Vacuum Range 30/0 in. Hg 34/0 ft H2O Figure interval 1 5 5 10 20 20 50 50 50 100 100 200 200 500 500 500 1000 2000 5000 Figure Interval in Hg psi 5 3 10 5 10 10 10 10 10 20 30 20 30 50 Figure Interval 5 in 5 ft Minor Graduation 0.1 0.2 0.5 1 2 2 2 5 5 10 10 20 20 20 50 50 100 200 200 Minor Grads in Hg psi 0.5 0.2 1 0.5 11 2 1 5 2 5 2 5 2 Minor Grads 0.2 in 0.5 ft

⁄2% full scale (Grade 2A, ASME B40.100)

Vac., compound to 30,000 psi 41⁄2˝ diameter Black phenolic, solid front Dry Case: IP54 Liquid filled or hermetically sealed case: IP 65 Threaded reinforced black polypropylene Glass Aluminum, white background, black figures and intervals. Micrometer adjustable

Ring: Window: Dial: Pointer:

*Fullstandard and metric equivalent range table available on our web site.

BULLETIN DU-1 1279

All specifications are subject to change without notice. All sales subject to standard terms and conditions. © Ashcroft Inc. 2009 11/09

Ashcroft Inc., 250 East Main Street, Stratford, CT 06614 USA Tel: 203-378-8281 • Fax: 203-385-0408 email: info@ashcroft.com • www.ashcroft.com

Type 1279 Duragauge®Pressure Gauge Available With PLUS!™ Performance Option
Dimensions
A B L M LL
Mounting hardware supplied by Ashcroft

CC C K G
3-L dia. holes on E dia. B.C.
14 12

H F T D

Hole in panel

A-1

T

/ NPT or / NPT

4 ⁄2˝ Lower Connection

1

4 ⁄2˝ Back Connection

1

41⁄2˝ Type 1279 with Type 1278M flush mounting ring

Dial Size Inches 41⁄2

A 513⁄16 (148)

B 33⁄8 (86)C 51⁄16 (129)

D 15⁄8 (41)

E 53⁄8 (137)

F 15⁄8 (41)

G 315⁄16 (100)

H
3⁄4

J 1 (25)

L .218 (6)

T
5⁄8

V 25⁄8 (67)

Weight (lbs) 21⁄2

(20)

(16)

Type 1278 Flush Mounting Ring Gauge Type A-1 41⁄2˝ Types 1279 & 1379 6 (152)

M 55⁄8 (148)

CC

LL

1 ⁄8 - 5⁄16 #10-24 (3)-(8)

Table A - Case selection & mounting Dial Size (in) 41⁄2 Ordering Code (45) Case...