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Process Gauge Stainless Steel


Suitable for corrosive environments and gaseous or liquid media that will not obstruct the pressure system
chemical/petrochemical, power stations, mining, on and offshore, environmental technology, mechanical engineering and plant construction

Excellent load-cycle stability and shock resistance

Solid front thermoplastic case


DesignASME B40.100
Sizes4" & 6" (100 & 160 mm) dial size
Accuracy class 0.5% of span (ASME B40.100 Grade 2A)
1.0% of span (ASME B40.100 Grade 1A)
for 20,000 psi (1,600 bar) range and above
RangesVacuum / Compound to 400 psi (25 bar)
Pressure from 15 psi (1 bar) to 30,000 psi (2,000 bar) or other equivalent units of pressure or vacuum
Working pressureSteady: full scale value
Fluctuating: 0.9 x full scale value
Short time: 1.5 x full scale value
Operating temperatureAmbient:  -40F to +140F (-40C to +60C) - dry
-4F to +140F (-20C to +60C) - glycerine filled
-40F to +140F (-40C to +60C) - silicone filled Medium:  max. +212F (+100C)
Temperature errorAdditional error when temperature changes from reference temperature of 68F (20C) 0.4% of span for every 18F (10K) rising or falling.
Weather protectionWeather resistant (NEMA 3 / IP54) - without membrane Weather tight (NEMA 4X / IP65) - dry case or filled case with membrane installed
Pressure connectionMaterial: 316L stainless steel
Lower mount (LM) or lower back mount (LBM) 1/4 or 1/2 NPT with M4 internal tap
RestrictorMaterial: Stainless steel (0.6 mm), standard
Bourdon tube316L stainless steel 900 psi (60bar): C-shape 900 psi (60 bar): Helical
MovementStainless steel
DialAuminum  black scales
PointerBlack aluminum, adjustable
CaseBlack fiberglass-reinforced thermoplastic (POCAN) Solid front, blowout back
Turret-style case with built in rear flange lugs

Optional extras

Silicone dampened movement

Panel mounting adaptor kit (field assembled)

Silicone case filling

Halocarbon case filling

Cleaned for oxygen service

Instrument glass or safety glass window

Drag pointer (maximum reading indicator)

Alarm contacts switches (magnetic or inductive)

Special process connections

Custom dial layout

External zero adjustment (4.5 size only)

Case and ring in red or yellow thermoplastic (4½ LM only)

Insight reflective dial options available in white, fluorescent yellow, fluorescent orange or glow-in-the-dark