Model 111.25DW

Bourdon Tube Pressure Gauge

Contractor Gauge for Drinking Water Application,
Drinking Water Series - 4½" SS Case

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  • Contractor Gauge for applications where water is anticipated to be used for human consumption
  • For applications in which products must comply with the 2014 US Safe Drinking Water Act and NSF 61/372

Product features

  • Brass wetted parts with lead content ≤0.25%
  • Stainless steel case
  • ±1% accuracy
  • Reliable and economical
  • NSF/ANSI 61 listed and certified to NSF/ANSI 372 and conforms with the lead content requirements for lead-free plumbing as defined by California, Vermont, Maryland, and Louisiana state laws and the U.S. Safe Drinking Water Act


ASME B40.100

Sizes (All sizes not stocked)
4½" (115 mm)

Accuracy class
±1% of span (ASME B40.100 Grade 1A)

Vacuum/Compound to 200 psi (16 bar)
Pressure from 15 psi (1 bar) to 600 psi (40 bar)
or other equivalent units of pressure or vacuum

Working pressure
Steady: 3/4 of full scale value
Fluctuating: 2/3 of full-scale value
Short time: full-scale value

Operating temperature
Ambient: -40°F to 140°F (-40°C to 60°C)
Media: 140°F (+60°C) maximum

Temperature error
Additional error when temperature changes from reference temperature of 68°F (20°C) +0.4% of span for every 18°F (10°K) rising or falling.

Pressure connection
Material: Lead-free copper alloy (lead content ≤0.25%)
1/4” NPT lower mount (LM)

Bourdon Tube
Material: Lead-free copper alloy

No-lead solder

Copper alloy

White aluminum with stop pin and black lettering

Black aluminum

Stainless steel, matte finish

Snap-in polycarbonate

Bourdon Tube Pressure Gauge<br>
Model 111.25DW

Bourdon Tube Pressure Gauge
Model 111.25DW

  • Bourdon Tube Pressure Gauge<br>
Model 111.25DW
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