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ASHCROFT
Type 1339 Duplex Gauge

Type 1339 Duplex Gauge

Product catalog summary

Overview: The Ashcroft® Type 1339 duplex gauge is designed to display two separate input pressures on a single gauge for comparison purposes. It features a 4½-inch dial size, bronze Bourdon tube, and brass sockets, with two independent systems and movements. The gauge includes non-adjustable red and black pointers for easy differentiation of pressure readings.

Product Specifications:

Model Number: 1339
Accuracy: 2%-1%-2% ASME Grade A
Case Style: Open Front (dry only)
Case Material: Cast Aluminum, Black Epoxy Coated
Dial Material & Color: Brushed Aluminum with Black Markings
Ring Type: Aluminum, Hinged, Black Epoxy Coated
Bourdon Tube Material: Grade A Phosphor Bronze
Socket Material: Brass
Connection Size: 1/4 NPT
Connection Location: Back
Range Limits: 30-1000 psi
Mounting: Flush
Movement: Bronze
Pointer: Non-Adjustable Black & Red
Window: Glass
Warranty: 1 Year

Temperature Limits: The gauge can withstand ambient temperatures from -20°F to 200°F, process temperatures from -20°F to 250°F, and storage temperatures from -40°F to 250°F. Non-liquid-filled gauges with standard glass windows can operate continuously up to 250°F. Accuracy is affected by approximately 0.4% per 25°F deviation from the reference ambient temperature of 68°F. Gauges with silver brazed joints can withstand up to 450°F.

Dimensions: The gauge has specific dimensions for installation, with a weight of 1.4 kg. It is designed for flush mounting with specific connection and spacing requirements.

Product Coding: The product coding system includes specifications for size, type, system, case design, connection size, location, and range. A typical code example is 45 1339 A 02 B 100#.

Standard and Metric Ranges: The gauge supports a variety of standard and metric pressure ranges, with specific dial graduations for each range. Compound ranges are also available, providing measurements in both psi and inches of mercury.

Catalog excerpts

FEATURES • 4Vz"dial size • Bronze Bourdon tube and brass sockets • Two independent systems and movements • Non-adjustable red and black pointers The Ashcroft® Type 1339 duplex gauge is used to display two separate input pressures on the same gauge for comparison purposes. ISO 9001 REGISTERED FIRM BULLETIN IG-1339 Dial Size Inches Ashcroft Inc., 250 East Main Street, Stratford, CT 06614 USA Tel: 203-378-8281 • Fax: 203-385-0408 email: [email protected] • www.ashcroft.com All specifications are subject to change without notice. All sales subject to standard terms and conditions. © 2013 Ashcroft Inc. R

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ISO 9001 REGISTERED FIRM BULLETIN IG-1339 Ashcroft Inc., 250 East Main Street, Stratford, CT 06614 USA Tel: 203-378-8281 • Fax: 203-385-0408 email: [email protected] • www.ashcroft.com All specifications are subject to change without notice. All sales subject to standard terms and conditions. © 2013 Ashcroft Inc. Rev. 12/13

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