Design ASME B40.100 |
Weather protection Weather resistant (NEMA 3 / IP54) -
without membrane Weather tight (NEMA 4X / IP65) - dry case or filled case
with membrane installed |
Sizes 4¨ö¡± & 6¡± (115 & 160 mm) dial size |
Pressure connection Material: 316L stainless
steel(maximum hardness 22 HRC) Lower mount (LM) or 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) ¡¾ 1.0% of span (ASME B40.100 Grade 1A) (for 20,000 psi range and
above) |
Restrictor Material: Stainless steel (0.6 mm) |
Ranges Vacuum / Compound to 200 psi Pressure from 15
psi to 30,000 psi or other equivalent units of pressure or vacuum |
Bourdon tube Material: 316L stainless steel (maximum
hardness 22 HRC) ¡Â1,000 PSI: C-type ¡Ã1,500 PSI: helical type |
Working pressure Steady: full scale
value Fluctuating: 0.9 x full scale value Short time: 1.5 x full scale
value |
Movement Stainless steel. Internal stop pin at 1.3x full
scale Overload and underload stops - standard Dampened movement -
optional |
Operating temperature Ambient: -40¡ÆF to +150¡ÆF(-40¡ÆC to
+66¡ÆC)-dry -4¡ÆF to +150¡ÆF(-20¡ÆC to +66¡ÆC)-glycerine filled -40¡ÆF to
+150¡ÆF(-40¡ÆC to +66¡ÆC)-silicone filled Medium: max. +212¡ÆF (+100¡ÆC) (See Note
1 on reverse) |
Dial White aluminum with black lettering, stop pin at 6
o¡¯clock with ¡°NACE Sour Gas Service¡± on
dial
Pointer Black aluminum,
micro-adjustable |
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. |
Case Black fiberglass-reinforced thermoplastic
(POCAN) Solid front, blowout back Turret-style case with built in rear
flange lugs |