Hinged Ring Test Gauge- 316 SS Wetted Parts Type 332.25
Applications
- Pressure monitoring panels
- Suitable for corrosive gaseous or liquid media that will not clog the pressure system or attack 316L SS parts.
- Process industry: chemical/petrochemical, power stations, mining, on and offshore, environmental technology, mechanical engineering and plant construction
Special Features
- Hinged ring for access to adjustable pointer
- Durable aluminum case and ring
- Positive pressure ranges to 20,000 psi
- Mirror band dial
- Knife edge pointer
Standard Features
Design
ASME B40.100
Sizes
4½” (115 mm)
Accuracy class
Ranges: ± 0.25% of span (ASME B40.1 Grade 3A)
0/30” Hg ... 600 psi and 2000 psi ... 20,000 psi
± 0.5% of span (ASME B40.1 Grade 2A)
600 psi ... 2000 psi
Ranges
Vacuum / Compound to 200 psi
Pressure from 15 psi to 20,000 psi
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% for every 18°F (10°C) rising or
falling. Percentage of span.
Weather protection
Weather resistant (NEMA 3 / IP54)
Pressure connection
Material: 316L stainless steel
Lower back mount (LBM)
1/4” or 1/2” NPT with M4 internal tap
Bourdon tube
Material: 316L stainless steel
1,000 psi: C-type
1,500 psi: helical
Movement
Stainless steel. Internal stop pin at 1.3 x full scale
Dial
White aluminum with black lettering, mirror band dial and 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
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