Applications: Intended for adverse service conditions where pulsating or vibration exists (with liquid filling) Hydraulics and compressors Suitable for gaseous or liquid media that will not obstruct the pressure systemSpecial Features: Vibration and shock-resistant (with liquid filling) Stainless steel case Pressure ranges up to 15,000 psiStandard Features: Design: ASME B40.100 & EN 837-1 Sizes: 2", 2 1/2" and 4" (50, 63 and 100 mm) Accuracy class: 2" and 2 1/2": ± 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 - Pressure from 15 psi to 15,000 psi - Pressure from 15 psi to 10,000 psi - 2" size or other equivalent units of pressure or vacuum Working pressure: 2" and 2 1/2": - Steady: 3/4 full-scale value - Fluctuating: 2/3 full-scale value - Short time: full-scale value4": - Steady: full-scale value - Fluctuating: 0.9 x full-scale value - Short time: 1.3 x full-scale value Operating temperature: - Ambient: -40 deg. F to +140 deg. F (-40 deg. C to +60 deg. C) - dry -4 deg. F to +140 deg. F (-20 deg. C to +60 deg. C) - glycerin filled -40 deg. F to +140 deg. F (-40 deg. C to +60 deg. C) - silicone filled - Medium: +140 deg. F (+60 deg. C) maximum Temperature error: Additional error when temperature changes from reference temperature of 68 deg. F (20 deg. C) ±0.4% for every 18 deg. F (10 deg. C) rising or falling. Percentage of span. Weather protection: Weather tight (NEMA 4X / IP 65) Pressure connection: - Material: copper alloy - Lower mount (LM) or center back mount (CBM) - 2" and 2 1/2" - Lower mount (LM) or lower back mount (LBM) - 4" - 1/8" NPT, 1/4" NPT or 1/2" NPT limited to wrench flat area ABS (2" and 2 1/2") and white aluminum (4") Bourdon tube: - 2 1/2" Size- Material: Copper alloy 30" Hg (VAC) to 800 psi - C-type (soldered) 1000 psi to 15,000 psi - helical type (soldered) Changes to stainless steel at 7,500 psi brazed - 4 Size- Material: Copper alloy < 1,000 psi 316 stainless steel > 1,500 psi 30" Hg (Vac) to 1,000 psi- C-type (soldered) 1,500 psi to 15,000 psi- helical type (brazed) Changes to stainless steel at 1,500 psi Movement: Copper alloy Dial: White ABS (2" and 2 1/2") and white aluminum (4") Pointer: Black aluminum Case: 304 Stainless steel with vent plug and stainless steel crimp ring. Suitable for liquid filling. Case connection sealed with O-ring, (O-ring material dependent on the case fill): - 2 1/2" EPDM O-ring for Glycerine case fill; Viton O-ring for Silicone fill - 4 : EPDM O-ring for Glycerine or Silicone case fill; Viton O-ring for Halocarbon or Fluorolube fill Window: Polycarbonate with Buna-N gasket Case fill: Glycerin 99.7% - Type 213.53 Optional extras: - Brass restrictor - Stainless steel front or rear flange - 2 1/2" and 4" - Zinc-plated steel or SS U-clamp bracket (field installable) - External zero adjustment (2½ only) - Red drag pointer or mark pointer - Silicone or Fluorolube case filling - Special connections limited to wrench flat area - Custom dial layout - Other pressure scales available: bar, kPa, MPa, kg/cm² and dual scales
