Model 212.25

Bourdon Tube Pressure Gauges

Hinged Ring Process Gauge
Brass Wetted Parts

Selected documents
Sales contact

WIKA USA

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

Applications

  • Pressure monitoring panels
  • Suitable for gaseous or liquid media that will not obstruct the pressure system or attack copper alloy parts
  • Process industry: chemical/petrochemical, power stations, mining, on and offshore, environmental technology, mechanical engineering and plant construction

Product features

  • Hinged ring for access to adjustable pointer
  • Durable aluminum case
  • Positive pressure ranges to 1,000 psi (70 bar)


Specifications

Design
ASME B40.100

Sizes
4½” & 6” (115 & 160 mm) dial size

Accuracy class
± 0.5% of span (ASME B40.100 Grade 2A)

Ranges
Vacuum / Compound to 200 psi (16 bar)
Pressure from 15 psi (1 bar) to 1,000 psi (70 bar)
or other equivalent units of pressure
or vacuum

Working pressure
Steady: full scale value
Fluctuating: 0.9 x full scale value
Short time: 1.3 x 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% of span for every 18°F (10°K) rising or falling.

Weather protection
Weather resistant (NEMA 3 / IP54)

Pressure connection
Material: copper alloy
Lower back mount (LBM)
1/4” or 1/2” NPT with M4 internal tap

Bourdon tube
Material: copper alloy
C-shape

Movement
Stainless steel. Internal stop pin at 1.1 x full scale

Dial
White aluminum with black lettering, stop pin at 6 o’clock

Pointer
Black aluminum, adjustable

Case
Black-painted aluminum with 3 threaded mounting bolts. Solid front, blowout back safety case. 304 stainless steel blowout back plate

Hinged ring
Black-painted steel with knurled clamping screw

Window
Flat instrument glass with silicone rubber gasket

Mounting bolts
10-24 UNC threads

Bourdon Tube Pressure Gauges<br>
Model 212.25

Bourdon Tube Pressure Gauges
Model 212.25

  • Bourdon Tube Pressure Gauges<br>
Model 212.25
Wish list - Documents (0)

There are currently no documents on your wish list. You can add any document from the download area to your wish list. To do this, select the desired language using the flag symbol.

The maximum number of 20 entries was reached.

To receive your download link via e-mail, enter your address here:

The e-mail address is invalid.