ESG503 Stainless Steel Bourdon Tube Pressure Gauge

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ESG503 line Stainless Steel Bourdon Tube Pressure Gauge is widely used in oil industry, chemical industry, chemical fibre industry, metallurgical industry, power station and so on. It can measure the pressure of all kinds of liquid medium in technological process which has higher requirement of corrosion-proof and anti-vibration

ESG503 has excellent structure design and exquisite craft with character of high accuracy and sustained stability.

Outer case of ESG503 is gas proof structure, which could protect the inner parts from environment dirt. For the oil filled shock resistance stainless steel pressure gauge ability, ESG503 could work in the environment with fierce vibration and pressure pulsation.

Features

  • Pressure Type: Low/Medium Pressure Gauge
  • Working Principle: Bourdon Tube (Mechanical)
  • Connection type: Bottom/Back mount
  • Display: Pointer
  • Diameter: 40/50/60/63/100/150/200/250mm
  • Range: -0.1~0~100MPa
  • Accuracy: 1.0%/1.5%/2.5%F.S
  • OEM: Available

Drawing and Dimension

ESG503 Stainless Steel Bourdon Tube Pressure Gauge drawing

Diameter D d d1 L B H H2 L1
40 Φ40 M10x1 Φ2.5 10 38 24 8.5 2
40Z Φ40 M10x1 Φ2.5 10 40 24 0 2
60 Φ60 M14x1.5/M10x1 Φ5 14 56 30 12 2
60Z Φ60 M14x1.5/M10x1 Φ5 14 58 30 0 2
100 Φ100 M20x1.5 Φ6 20 90 44 18 2
100Z Φ100 M20x1.5 Φ6 20 85 44 30 2
150 Φ150 M20x1.5 Φ6 20 115 48 18 2
150Z Φ150 M20x1.5 Φ6 20 92 47 20 2
200 Φ200 M20x1.5 Φ6 20 146 50 18 2
250 Φ250 M20x1.5 Φ6 20 167 50 18 2

Packing

Diameter (mm) Diameter (inch) Quantity (pcs) Volume (CBM) Gross Weight (kg)
63Z 5.9 100 0.042 18
63 3.94 100 0.048 18.58
50Z 2.48 100 0.034 13.3
40 1.5 100 0.015 8.5
50 2.36 100 0.032 13
40Z 1.97 100 0.016 9
100 7.87 50 0.06 33.66
150 9.84 30 0.06 30.46

Installation and Commission

In accordance with the general technical regulations for pressure gauges (e.g. EN 837-2). When screwing the instruments in, the force required to do this must not be applied through the case, but only through the spanner flats provided for this purpose, and using a suitable tool.

For parallel threads, use flat gaskets, lens-type sealing rings or profile sealings at the sealing face. With tapered threads (e.g. NPT threads), sealing is made in the threads using additional sealing materials, e.g. PTFE tape. The torque depends on the sealing used. In order to orientate the measuring instrument so that it can be read as well as possible, a connection with clamp socket or union nut should be used.

If the line to the measuring instrument is not adequately stable, a measuring instrument holder should be used for fastening (and possibly via a flexible capillary). If vibrations cannot be avoided by means of suitable installation, instruments with liquid filling should be used. The instruments should be protected against coarse dirt and wide fluctuations in ambient temperature.

Application

Metallurgical industry| Chemical fibre industry | Oil industry | Chemical industry

Technology

Gauges with bourdon tubes are the most common pressure measuring devices used today. They combine a high grade of measuring technology, simple operation, ruggedness and flexibility with the advantages of industrial and cost-effective production. Needing no external power supply, bourdon tube gauges are the best choice for most applications.
Bourdon tubes are radially formed tubes with an oval cross-section. The pressure of the measuring medium acts on the inside of the tube and produces a motion in the non-clamped end of the tube. This motion is the measure of the pressure and is indicated via the movement.

Standard Bourdon Tube Pressure Gauge

These Bourdon tube pressure gauges like the lines of ESG501 are suitable for liquid or gaseous media, which are not highly viscous or crystallizing, so long as they do not attack copper alloy parts. The measuring range covers -0.1~0~ 1,000 bar.

Bourdon Tube Pressure Gauge with increased Shock Resistance

Bourdon tube pressure gauges with increased shock resistance are manufactured and equipped entirely with Silicone oil or Glycerine which make the ESG502 line reach shock resistance grade of V.H.4

Stainless Steel Bourdon Tube Pressure Gauge

ESG503 Stainless Steel types are suitable for the measurement of pressures between -0.1~0~ 1,000bar in gaseous and liquid, not highly viscous and non-crystallising media - and also in aggressive environments which has strict requirement of corrosion-proof and anti vibration.