Model 1518 DG/DGS

Differential Pressure Diaphragm Gauge for Liquids & Gases

  • Up to 1,500 psig line pressure
  • Available in gauge only, gauge-switch combo, and switch only versions
  • Zero Center – Compound Range

Specifications: 1518 Diaphragm DP Gauges

Model 1518 PDF Downloads: Specifications | Instructions | Drawing


DP Range Min

DP Range Max

Max Line Pressure

Max Line Temperature


Electrical Availability

1518 DG/DGS

PSID 10-0-10
bar 0.7-0-0.7
KPA 70-0-70
In. H2O 275-0-275
kg/cm2 0.7-0-0.7

PSID 50-0-50
bar 3.5-0-3.5
KPA 350-0-350
In. H2O 1400-0-1400
kg/cm2 3.5-0-3.5

1500 psig
(100 bar)

200°F (93°C)


1 or 2 Switches
Nema 4X Enclosure

How To Order

Select from each of the applicable categories to construct a model number, and configure your instrument. Click the button to request a quote or for more information. If you are reordering you must supply the Part Number from your instrument label. Contact Orange Research or local Orange Research distributors for additional options and pricing information. Please Note: Other Ranges and Measurement Units are available than appear below; specify your needs in the comments box below.


Sample configuration: Gauge (w/ switch option): 1518DGS-1A-2.5B-A 0-15 psid-PL, switch to close at 10 psid asc.
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Popular Options

We can customize parts to your specific needs, with features including:

• Red Arc
• Liquid Filled
• Follower Pointer
• Flanged Dial Case
• … and more

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Photos: Pressure Diaphragm Gauge

1518 Front


1518 Back

WARNING: Some of our products contain Nickel, a chemical known to the State of California to cause cancer. For more information go to:

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