Model 131.11

Bourdon Tube Pressure Gauges

Stainless Steel Series

Selected documents
Sales contact

WIKA Instrument, LP

Tel.:
1-888-945-2872
Fax.:
1-770-338-5118
info@wika.com

Applications

  • Suitable for corrosive environments and gaseous or liquid media that will not obstruct the pressure system
  • CDA (Clean Dry Air) applications

Product features

  • All stainless steel construction
  • 316L wetted parts
  • Cost effective and reliable
  • Positive pressure ranges to 15,000 psi (1,000 bar)

Specifications

Design
ASME B40.100 & EN 837-1

Sizes
1.5”, 2” & 2½” (40, 50 and 63 mm)

Accuracy class
+/- 3/2/3% of span per ASME B40.100 Grade B

Ranges
Vacuum / Compound to 200 psi (16 bar)
Pressure from 15 psi (1 bar) to 10,000 psi (700 bar)
or equivalent units of pressure and 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)
Medium: +212°F (+100°C) maximum

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

Pressure connection
Material: 316L stainless steelLower mount (LM) or center back mount (CBM)1/8” or 1/4” NPT (male)

Bourdon tube
Material: 316L stainless steel
≤ 1,000 psi (70 bar): C-shape,
> 1,000 psi (70 bar): Helical

Movement
Stainless steel

Dial
White aluminum with black lettering, with stop pin

Pointer
Black aluminum

Case
Stainless steel

Window
Snap-in polycarbonate

Bourdon Tube Pressure Gauges
  • Bourdon Tube Pressure Gauges
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