Applications

Intended for adverse service conditions where pulsating or vibration exists (with liquid filling).Hydraulics and compressorsSuitable for gaseous or liquid media that will not obstruct the pressure system.

Product features

NEW FlexWindow option available on 2-1/2” gaugesVibration and shock resistant (with liquid filling)Stainless steel casePressure ranges up to 15,000 psi (1,000 bar)

Specifications

Design

ASME B40.100 & EN 837-1

Sizes

2”, 2½” & 4” (50, 63 & 100 mm)

Accuracy class

2” & 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)

Pressure from 15 psi (1 bar) to 10,000 psi (700 bar) - 2” size or other equivalent units of pressure or vacuum

Working pressure

2 & 2½”: Steady: ¾ full-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: +140°F (+60°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 66)

Pressure connection

Material: copper alloy

Lower mount (LM) or center back mount (CBM) -

Lower mount (LM) or lo er back mount (LBM) - 4”

⅛” NPT, ¼” NPT or ½” NPT limited to wrench flat area ABS (2” & 2½”) and white aluminum (4”)

Bourdon tube

2” (50 mm) ≤ 870 psi (60 bar): C-shape copper alloy

2” (50 mm) > 870 psi (60 bar): Helical copper alloy

2½” (63 mm) ≤ 870 psi (60 bar): C-shape copper alloy

2½” (63 mm) > 870 psi (60 bar): Helical copper alloy

2½” (63 mm) > 6,000 psi (400 bar) : Helical stainless steel

4" (100 mm) ≤ 1,000 psi (70 bar): C-shape copper alloy

4" (100 mm) > 1,000 psi (70 bar): Helical stainless steel

Movement

Copper alloy

Dial

White ABS (2” & 2½”) 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):

2½”: EPDM O-ring for Glycerine case fill;

Viton O-ring for Silicone fill4”: 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

Glycerine 99.7% - Type 213.53