Description
Applications
- Intended for adverse service conditions where pulsating or vibration exists
- Process industry: chemical/petrochemical, power stations, mining, on and offshore, environmental technology, mechanical engineering and plant construction
- Suitable for gaseous or liquid media that will not obstruct the pressure system
Product features
- Vibration and shock resistant (with liquid filling)
- All stainless steel construction
- Pressure ranges up to 15,000 psi (1,000 bar)
Specifications
Design
ASME B40.100 & EN 837-1
Sizes
2½” & 4” (63 & 100 mm)
Accuracy class
2½”: ± 2/1/2% of span (ASME B40.100 Grade A)
4”: ± 1% of span (ASME B40.100 Grade 1A)
Ranges
Vacuum / Compound to 200 psi (16 bar)
Pressure from 15 psi (1 bar) to 15,000 psi (1,000 bar) or other equivalent units of pressure or vacuum
Working pressure
2½”: Steady: 3/4 scale value
Fluctuating: 2/3 full scale value
Short time: full scale value
4”: 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) – dry
-4°F to +140°F (-20°C to +60°C) – glycerine filled
-40°F to +140°F (-40°C to +60°C) – silicone filled
Medium: +212°F (+100°C) maximum
Temperature error
Additional error when temperature changes from reference temperature of 68°F (20°C) ±0.4% of span for every 18°F (10°K) rising or falling.
Weather protection
Weather tight (NEMA 4X / IP 65)
Pressure connection
Material: 316L stainless steel
Lower mount (LM) or center back mount (CBM) – 2½”
Lower mount (LM) or lower back mount (LBM) – 4”
1/4” NPT or 1/2” NPT limited to wrench flat area
Bourdon tube
Material: 316 stainless steel
≤1,000 PSI (70 bar): C-shape,
>1,000 PSI (70 bar): Helical
Movement
300-series stainless steel
Dial
White aluminum with black lettering; 2½” size with stop pin
