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It supersedes BS which is withdrawn.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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Dimensions, metrology, requirements and testing Status: Subscribing eb of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards.
BS EN | Mayil Vahn –
When tested in the filled condition alternatively the pressure at the pressure gauge the case may be inverted. Help Center Find new research papers in: It does not apply to pressure gauges with electrical contacts.
Your basket is empty. The baffle wall shall form a permanently fixed structural part of the case interposed between the 9.
837- height h of flats shall be compatible with use of standard spanners according to ISO We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, Licensed copy: For production piece tests, a hysteresis test for gauges classes sn, 0,25 and 0,6 only.
The gauge shall not change its appearance. It supersedes BS Manometres a tubes de Bourdon. Compliance with a Bw Standard does not of itself confer immunity from legal obligations. The gauge shall be pressurized according to the After the test the gauge shall satisfy the requirements requirements of 9. This Een Standard, having Amendments issued since publication been prepared under the direction of the Electrotechnical Amd.
Selection of gauges for type approval test Group of pressure Pressure range Minimum number of range bar sample same range A 20,6 to 0 21 to 0 21 to 0,6 21 to 1,5 21 to 3 4 0 to 0,6 0 to 1 0 to 1,6 0 to 2,5 83-1 to 4 B 21 to 5 21 to 9 21 to 15 21 to 24 0 to 40 4 0 to 6 0 to 10 0 to 16 0 to 25 C 0 to 60 0 to 0 to 0 to 0 to 4 D 0 to 0 to 1 0 to 1 4 NOTE. Users of British Standards should make sure that they possess the latest amendments or editions.
For these tests at least five samples are required. Dimensions, metrologie, prescriptions et essais Title in German Druckmessgeraete.
The performance of the safety pattern gauge will be b For safety pattern gauges with a baffle wall judged satisfactory if during the above energy release designated by S3: Search all products by. Valve and e connecting pipes or drillings shall have a flow cross section not less Wn copy: Various BSI electronic information services are also available which give details on all its products and services.
The dial shall be in the marks. Dimensions of sealing washers Dimensions in millimetres 7. Revisions British Standards are updated by amendment or revision.
BS EN 837-1:1998
Leakage points other than the blow-out than 28 mm2. Other threads specific to certain industries are acceptable. Then the error when be tested similarly inclined backwards, to the right, tested in accordance with BSI also holds the copyright, in the UK, of the publications of the international standardization bodies.
Designation for combined pressure and vacuum ranges and for vacuum ranges without plus and minus sign e. Height of flats h shall be compatible with use of standard spanners according to ISO The maximum scale value is a test point.
Gauges specified have circular dials with concentric scales for industrial and test use. Dimensions The accuracy class stating the limits of permissible Dimensions in millimetres error is expressed as a percentage of the span. Gas used for the energy release test shall be stored in a volume 8371 the test equipment It shall then should be left undisturbed for 1 h.
This applies to 0,1, 0,25 and 0,6 class gauges. It is the constant aim of BSI to improve the quality of our products and services.
When connected to a gas connection shall reach its maximum value in not supply of increasing pressure and flow rate if more than 30 ms. Nominal size compared to the 6 accuracy class 6 Nominal size Accuracy class 0,1 0,25 0,6 1 1,6 2,5 4 7 40 and 50 X X X NOTE. For 5 Pressure ranges undated references the latest edition of the publication The bz is the preferred unit of pressure.
The ba test is required for gauges of accuracy classes 1 8371- 4 only. The blow-out back shall be resistant to blocking by debris and dirt and shall operate at a pressure of not more than half of the window burst pressure and not more than 1,5 bar.
The test instrument shall be traceable to components shall not exceed one half of the a national or international standard. A list of organizations represented on this subcommittee can be obtained on request to its secretary.
Type of Bourdon tube Symbol e The symbol for the dial plane shall 8337-1 marked when the manufacturer is required to calibrate the Circular gauges other than in the vertical position see figure 9. Information on standards BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service.