Design
ASME B40.100 |
Pressure connection
Material: 316L stainless steel
Lower back mount (LBM)
1/4” or 1/2” NPT with M4 internal tap |
Sizes
4½” & 6” (115 & 147 mm) dial size |
Bourdon tube
Material: 316L stainless steel
≤1,000 psi: C-type
≥1,500 psi: helical |
Accuracy class
± 0.5% of span(ASME B40.100 Grade 2A)
± 1.0% of span(ASME B40.100 Grade 1A)
|
Movement
Stainless steel. Internal stop pin at 1.3 x full scale |
Ranges
Vacuum / Compound to 200 psi
Pressure from 15 psi to 20,000 psi
or other equivalent units of pressure
or vacuum |
Dial
White aluminum with black lettering,
stop pin at 6 o’clock |
Working pressure
Steady: full scale value
Fluctuating: 0.9 x full scale value
Short time: 1.3 x full scale value |
Pointer
Black aluminum, adjustable |
Operating temperature
Ambient: -40°F to +140°F(-40°C to +60°C)
Medium: +212°F (+100°C) 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°F
(20°C) ±0.4%for every 18°F (10°C)
rising or falling. Percentage of span. |
Hinged ring
Black-painted steel with knurled clamping screw |
Weather protection
Weather resistant (NEMA 3 / IP54) |
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