Bourdon tube pressure gauge per en 8371 stainless steel industrial design, ns 100,type series ba52 data sheet d2020 rev. Bourdon tube pressure gauge stainless steel version models 232. All books are in clear copy here, and all files are secure so dont worry about it. Those with rear mount fittings are also available with a panel mounting front flange. Bourdon tube bimetal element part temperature incre pressure incre list no. A bourdon tube is a curved, hollow tube with the process pressure applied to the fluid in the tube. For this model,there is no applicable item for the figures x,but please specify with x when ordering. The bourdon gauge has a transparent dial to see the working mechanism. Bourdon tube pressure gauge stainless steel version models. An elastic transducer, that is bourdon tube which is fixed and open at one end to receive the pressure which is to be measured. The bourdon tube sensing element and internal movement is available in a rugged copper alloy or chemically resistive stainless steel.
Pressure switch terminology and definitions corporate office. The mechanism is a thin walled tube with an oval crosssection, bent into a circular arc encompassing about 270 degrees. Spiral bourdon tube bourdon tube work hardening can cause premature rupture in a pulsation type service, especially if that service is above 800 psi, where heavy wall thickness of the bourdon tube is encountered. Tag nh regular glass rg front flange ff back connect only type. Because of the difference between inside and outside radii, the bourdon tube presents. Typical shapes for the tube are c, spiral, and helical. Features phosphor bronze bourdon tube movement with white enameled brass dial face with large numbers for easy reading. The document specifies requirements for bourdon tube pressure gauges from 40 to 250 nominal size with ranges up to 1600 bar. All stainless steel bourdon tube pressure gauges monitoring. General industrial pressure gauges type a lower connection 7. Pdf or portable document format is a file type that will display the same on any computer that can open it. Bourdon tube pressure gauges dimensions, metrology, requirements and testing. The design of the bourdon tube, having a curvature and thus the inside. The device should work in outdoor and indoor environments.
Bourdon tube pressure gauges stainless steel case copper alloy wetted parts industrial series liquid fillable type 21x. All stainless steel bourdon tube pressure gauges model manr no responsibility taken for errors. Lower or back options calibration chart c4 wired st. The gauges can also be produced in nominal size 80 mm. Pressure siphon hot fluid excessive temperatures must be avoided if the joining is softsoldered the gauge must not be subjected to. Bourdon tube is one of equipment to measure pressure. Also in 1849, bernard schaeffer in magdeburg, germany patented a successful diaphragm see below pressure gauge, which, together with the bourdon gauge, revolutionized pressure measurement in industry. Differential pressure gauges with bourdon tube, with parallelplug with measuring system stainless steel, with without filling nominal size nd 80, 100 connection position bottom, radial or back, centric description the differential pressure gauges can be used with liquid, gaseous, aggressive, nonviscous and noncrystallizing. All stainless steel pressure gauges with bourdon tube. Unifilar drawing bourdon tube test pressure gauges according to en 8371 model manf housing following housing diameter are available. Pressure gauges the bourdon tube is made from copper alloy for pressures up to 1500 psi or safety coiled alloy steel for pressures above 1500 psi. The bourdon tube is in a bent form to look like a circular arc. The applied pressure causes the oval tube to become rounder since a round cross section has the maximum area for a given circumference. It is an analog system and does not require additional power sources.
Bourdon tube pressure gauges stainless steel series type 232. The housings are made of stainless steel with npt fitting choices with a back or bottom mount configuration. A system of linkages and levers transmits this motion to the gauge needle which moves over the scale. This eliminates the need for a power source and precludes the associated problems such as susceptibility to electronic line noise, power outage or potential fire haz ard.
Stainless steel design for measuring gaseous, liquid and aggressive media, designed according to safety standards per en 8371. Series dads7000 bourdon tube pressure switches are spdt snapaction switches that combine extremely high sensitivity and repeatability with easily adjustable set and reset points through noninteractive external adjustments. The kobold drf26 series bourdon tube pressure gauge features all stainless steel internal and external metal components to offer maximum protection from aggressive, corrosive chemicals. Accessories, mechanical pressure gauge accessories pressure gauge siphons type 910. These switches have visible calibrated dials for set points and onoff indicators to indicate switch actuation. Mcdaniel, therefore, incorporates an annealled spiral bourdon tube as the sensing element of all gauge ranges above 800 psi to. It is rigidly held at one end where the pressure is admitted to the tube, and is free to move at the other end. Switching hysteresis 1% of span switching capacity max. This change in crosssection causes the tube to straighten. Bourdon tubes are known for its very high range of differential pressure measurement in the range of almost 100,000 psi 700 mpa. Before any measurement system or equipment to be used, it is compulsory to calibrate the equipment, so the equipment can be just as accurate as the working standard. Jis correspondence general industrial pressure gauges. Wika part of your business solutions for pressure, temperature, force and level measurement, flow measurement, calibration and sf 6 gas solutions from wika are an integral component of our customers business processes this is why we consider ourselves to be not just suppliers of measurement components but rather more a competent partner that offers comprehensive.
The device was invented by eugene bourdon in the year 1849. Powered by a test quality bourdon tube assembly, the assembly is. Barksdale b1x b2x explosion proof bourdon tube pressure switch data sheet. This accuracy is based upon working at a temperature at or above 68 degrees fahrenheit. Download bourdon tube pressure gauge, stainless steel process gauge. The pressure can be determined from the mechanical displacement of the pointer connected to the bourdon tube. Spiral bourdon tubes are used for pressure ranges from 1,000 psi and above in poly gauges, and from 800 psi and above in the other general service gauges.
Bourdon tube pressure gauges can be used to measure over a wide range of pressure. But in 1875 after bourdons patents expired, his company schaeffer and budenberg also manufactured bourdon tube gauges. Pdf reading software is present on the vast majority of computers and even on many. To the free end of the bourdon tube is attached an. The process pressure is connected to the tube support end of the tube, while the tip end is sealed. The bourdon tube works by sensing pressure and converting that pressure into displacement. Media in category bourdon gauge the following 7 files are in this category, out of 7 total. Bourdon tubeworking,construction,typesctype,helix,spiral. The pressure in the tube causes the tube to deform or uncoil.
As the free end of the bourdon tube is connected to a link section pinion arrangement, the displacement is amplified and converted to a rotary motion of the pinion. To calibrate a measurement system you have to compare its output with a standard known input. Since the tube is permanently fastened at one end, the tip of the tube traces a curve that is the result of the change in angular position with respect to the center. As it becomes rounder, the bourdon tube tends to uncurl which causes its free end to move.
As the pinion rotates, it makes the pointer to assume a new position on a pressure calibrated scale to indicate the applied pressure directly. Read online bourdon tube pressure gauge, stainless steel process gauge. The other end of the bourdon tube is free and closed. It is basically consisted of a cshaped hollow tube, whose one end is fixed and connected to the pressure tapping, the other end free, as shown in fig. With the help of the scale on the dial you can read the current pressure at measuring element. Bourdon tube mcdaniel general service gauges incorporate phosphor bronze or brass bourdon tubes with precision brass movements for reliable service. This makes the bourdon tube pressure gauge an excellent choice for ap\ plications in the chemical, oil, plastics and paper industries.
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