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PG-023 Oil filled pressure gauge

Model: PG-023L, PG-023B

Measuring Range: -0.1...0 to 0...60 Mpa or other equivalent units

Accuracy Class: ±2.5%

Thread: M12*1.5 G1/8 NPT1/8 etc.

Diameter: 40mm 50mm

  • Product Details


For measuring points with high dynamic pressure loads and vibrations.

For gaseous and liquid media that are not highly viscous or crystallizing and will not attack copper alloy parts.

Hydraulics, Compressors, shipbuilding.

For measuring medium with strong pulsation or pressure concussion.

Process industry: metallurgical industry, power station, oil industry, chemical industry, and so on.


Vibration and shock-resistant.

With rolled ring, good tightness.

This gauge can measure the average value of the pulsing pressure of the gas or liquid, so that can avoid the damage caused by the strong pulsation and violent shock to ensure the measurement precision.



PG-023L: half ss pressure gauge, lower mount

PG-023B: half ss pressure gauge, back mount

Nominal size in mm (NS in mm)

40mm 50mm

Accuracy class

NS 40 50: 2.5%


Scale ranges

From -14.5...0 to 0...8700 psi; 

(from -1...0 to 0...600 bar or other equivalent units).

or all other equivalent vacuum or combined pressure and vacuum ranges.

Pressure Unit

Mpa psi bar kg/cm2Kpa etc.


Aluminum, white,

black lettering, Single scale;

(Double scale; Special scale for option)


Aluminum, black.


Stainless steel 304


Copper alloy


Crimped ring

Stainless steel 304

Ingress protection


Thread size

M12*1.5 G1/8 NPT1/8 etc.

Bourdon tube

Phosphor bronze bourdon tube

C-type or helical type

Filling liquid

Glycerin (Silicone for optional)

Process connection


Lower mount (radial) or back mount (axial)

Pressure limitation

Steady: 3/4 x full scale value

Fluctuating: 2/3 x full scale value

Short time: Full scale value

Permissible temperature

Ambient: -40 ... +70 °C without liquid filling

5 ... +55 °C gauges with glycerin filling;

-25...+55°C gauges with silicon filling.

Temperature effect

When temperature of the measuring system deviates from reference temperature (+20℃) max error ±0.4℃ /10K of full scale value.


Liquid filled: Dry but fillable; glycerin filled; silicon filled.

Panel mounting flange

Mounting clamp, for back mount

Customer’s logo dial for OEM or ODM


Model /Nominal size / Scale range / Thread size / Process connection / Options