Drinking water Pressure Gauges


Bourdon Tube Pressure Gauge 2½” diameter
Stainless Steel Case Drinking Water Series,Liquid Filled


  • Vibration and shock resistant (with liquid filling)
  • Stainless steel case
  • Brass wetted parts with lead content ≤0.25%
  • 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 & EN 837-1


±2½" (63 mm)

Accuracy class

±2/1/2% of span (ASME B40.100 Grade A)


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

2½”: Steady: 3/4 full-scale value
Fluctuating: 2/3-full scale value
Short time: full scale value

Operating temperature

Ambient: -40°F to +140°F (-40°C to +60°C) - dry
-4°F to +140°F (-20°C to +60°C) - glycerine filled
-40°F to +140°F (-40°C to +60°C) - silicone filled
Medium: +140°F (+60°C) maximum

Temperature error

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

Weather protection

Weather tight (NEMA 4X / IP 66)

Pressure connection

Materail: lead-free copper alloy (lead content ≤0.25%)
Lower mount (LM) or center back mount (CBM) - 2" & 2½"