Bourdon Tube Pressure Gauges Hinged Ring Process Gauge Brass Wetted
Parts Type 212.25
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
Special features
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Standard Features |
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Design ASME B40.100 |
Weather protection Weather resistant (NEMA 3
/ IP54) |
Sizes 4¨ö¡± & 6¡± (115 & 147 mm) dial
size |
Pressure connection Material: copper
alloy Lower back mount (LBM) 1/4¡± or 1/2¡± NPT with M4 internal
tap |
Accuracy class ¡¾ 0.5% of span (ASME B40.100
Grade 2A) |
Bourdon tube Material: copper
alloy C-type |
Ranges Vacuum / Compound to 200
psi Pressure from 15 psi to 1,000 psi or other equivalent units of
pressure or vacuum |
Movement Stainless steel. Internal stop pin
at 1.3 x full scale |
Working pressure Steady: full scale
value Fluctuating: 0.9 x full scale value Short time: 1.3 x full scale
value |
Dial White aluminum with black
lettering, stop pin at 6 o¡¯clock
Pointer Black aluminum,
adjustable |
Operating temperature Ambient: -40¡ÆF to
+140¡ÆF (-40¡ÆC to +60¡Æ C) Medium: +212¡ÆF (+100¡ÆC) maximum |
Case Black-painted aluminum with 3 threaded
mounting bolts. Solid front, blowout back safety case. 304 stainless
steel blowout back plate |
Temperature error Additional error when
temperature changes from reference temperature of 68¡ÆF (20¡ÆC) ¡¾0.4% for
every 18¡ÆF (10¡ÆC) rising or falling. Percentage of span. |
Hinged ring Black-painted steel with knurled
clamping screw | |
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