BS EN 837-1 PDF

BS EN 837-1 PDF

It supersedes BS which is withdrawn. The UK BSI Page 3 EN 1 Scope ISO Pipe threads where pressure-tight This. BS EN Pressure gauges. Bourdon tube pressure gauges. Dimensions, metrology, requirements and testing. standard by. Accuracy class. to EN Ranges. 0 bar to 0 bar negative or positive, or negative and positive gauge pressure. Application. Constant load: .

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Serial numbers shall also be marked on all gauges which are subject to Scale numbering will be at the manufacturer’s state metrological control. The use of a of be gauge under test.

BS EN 837-1:1998

For illustrative examples see annex A. Safety pattern gauges with baffle wall shall additionally meet the requirements defined in 9. This applies to 0,1, 0,25 and 0,6 accuracy class gauges.

For gauges with combined pressure and under pressure: Production piece tests shall be carried out on each gauge accuracy class 0,1 to 0,6. A version in any other language made by translation under the responsibility of a CEN ns into its own language and notified to the Central Secretariat has the same status as the official versions.

Type of mounting and connection position Radial connection 10 11 12 Licensed copy: Other threads specific to certain industries are acceptable. Minimum length of pointer of the maximum scale value may have a free zero. Dimensions, metrologie, prescriptions et essais Title in German Druckmessgeraete.

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Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. A test of particular case design is considered sufficient when carried out with test energy of the pressure element that represents the highest energy source intended for this case construction.

For ranges 0 bar to 1 bar and 0 bar to 1 bar bd error shall not exceed 1,5 times class.

Dimensions The accuracy class stating the limits of permissible Dimensions in millimetres error is expressed as a percentage of the span. Over-pressure The shock test is required for gauges with accuracy Maximum scale value Over-pressure to be applied classes 1 to 4 only. The test shall be made with factor is not permitted.

The standard includes methods of test for performance to be applied at type approval and production piece tests. Type of Bourdon tube Symbol e The symbol bx the dial plane shall be marked when the manufacturer is required to calibrate the Circular gauges other than in the vertical position see figure 9.

When testing in the filled Eb blow-out device or back will then be blocked and condition the gauge inlet to the case may be the burst pressure of the window will be measured. Log In Sign Up.

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Valve and any connecting pipes or drillings shall have a flow cross section not less Licensed copy: Learn more about the cookies we use and how to change your settings. It shall then should be left undisturbed for 1 h.

Spiral f If the customer requires the gauge to be calibrated at other than the reference temperature this shall be marked.

For safety pattern gauges without a baffle wall, a blow-out device according to 9. For dated references, subsequent See table 2 for dimensions. The maximum scale value is a test point.

BS EN | Mayil Vahn –

The faster, easier way to work with standards. Shock test equipment as given in EN Minimum height h of flats shall be compatible with use of standard spanners according to ISO Contact the Information 83-1. The selected gauges of the same range shall be for: Help Center Find new research papers in:

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