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It supersedes BS which is withdrawn.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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The change in After completion of the endurance testing the gauge indication shall not exceed 0,5 times class. Click here to sign up. The vibration test is required for gauges of accuracy ne 1 to 4 only. This website is best viewed with browser version of up to Microsoft Internet Explorer 8 or Firefox 3.

BS EN 837-1:1998

Gs supersedes BS Gauges with a maximum scale reading up to 25 bar shall be tested on gas. Dimensions of parallel threaded shanks Dimensions in millimetres Thread size d2 d3 d4 l1 l2 l3 f w d1 min.

This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations.

Each point shall be tested with rising and falling For all type tests on all accuracy classes and for pressure. For ranges 0 bar to 1 bar and 0 bar to 1 bar the error shall not exceed 1,5 times class. It is incorporated by Royal Charter. Minimum number of minor scale divisions Scale Nominal size Minimum number of minor scale divisions Accuracy classes 0,1 0,25 0,6 1 1,6 2.

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Height of flats h shall be compatible with use of standard spanners according to ISO You may find similar items within these categories by selecting from the choices below:. Dimensions of sealing washers Dimensions in millimetres 7.

The time to Gauge cases intended for liquid filling shall be tested open the valve shall not exceed 50 ms, or filled and unfilled.

BS EN | Mayil Vahn –

Dimensions The accuracy class stating be limits of permissible Dimensions in millimetres error is expressed as a percentage of the span. 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.

A reading of zero bar is atmospheric pressure. Minimum length of pointer of the maximum scale value may have a free zero. Above this the test If the available equipment will not operate at the may be conducted with liquid.

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It does not apply to pressure gauges with electrical contacts. The test shall be made with factor is not permitted.

Minimum height h of flats shall be compatible with use of standard spanners according to ISO Perform three shock loads in testing gauges above bar the frequency may be each plane, this being 18 shocks altogether. This applies to 0,1, 0,25 and 0,6 class gauges. Designation, dimensions and indicating pressure gauges, vacuum gauges and tolerances combined vacuum and pressure gauges compound ISO The test instrument shall be traceable to components shall not exceed one half of the a national or international standard.

Pressure gauges of accuracy classes 0,25 and 0,6 shall incorporate provisions to minimize parallax errors, such as a knife edge pointer.

Dimensions, metrology, requirements and testing BS EN Dimensions, metrology, requirements and testing Status: Leakage points other than the blow-out than 28 mm2. The length of any connecting piping device shall be sealed with a low strength sealant.

Type of 8377-1 and connection position Radial connection 10 11 12 Licensed copy: Contact the Information Centre.

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