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It supersedes BS which is withdrawn.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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It supersedes BS For illustrative examples see annex A. All other gauges to be tested at an AQL level 1,5 according to ISOexcept for the leak test, where each gauge shall be tested.

Click here to sign up. Perform three shock loads in testing gauges above bar the frequency may be each plane, this being 18 shocks altogether. Various BSI electronic information services are also available which give details 8377-1 all its products and services.

It does not apply to pressure gauges with electrical contacts. For production piece tests, a hysteresis test for gauges classes 0,1, 0,25 and 0,6 only.

BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. The selected gauges of the same range shall be for: Take the smart route to manage medical device compliance.

BS EN 837-1:1998

Dimensions of parallel threaded tapped holes Dimensions in millimetres Thread size d2 t1 t2 d1 20,5 min. Subscribing members of BSI are kept up to date with standards developments and receive substantial bbs on the purchase price of standards.

Compliance with a British Standard does not of itself confer immunity from legal 8371. Examples are shown in annex A. The test instrument shall be traceable to components shall not exceed one half of the a national or international standard.

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For gauges with combined pressure and under pressure: For ranges 0 bar to 1 bar and 0 bar to 1 bar the error shall not exceed 1,5 times class. Skip to main content. After the working pressure equal to the maximum scale test the gauge shall satisfy the requirements for value accuracy and hysteresis as given in 9.

Height of flats h shall be compatible with use of standard spanners according to ISO If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained.

A mirror scale may be fitted in addition. 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: Type of Bourdon tube Symbol e The symbol for 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. 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.

This European Standard incorporates by dated or undated reference, provisions from other publications. The baffle wall shall form a permanently fixed structural part of the case interposed between the 9. We use cookies to make our website easier to use and to better understand your needs.

Above this the test If the available equipment will not operate at the may be conducted with liquid. Gauges with a maximum scale reading up to 25 bar shall be tested on gas. It is incorporated by Royal Charter. Manometres a tubes de Bourdon. Users of British Standards should make sure that they possess the latest amendments or editions.

BS EN | Mayil Vahn –

Figure 4 Table 6. 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 bz. The test method permissible error in 9. If permission is granted, the terms may include royalty payments or a licensing agreement.

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The dial shall be in the marks. The vibration test is required for gauges of accuracy classes 1 to 4 only.

After this test measuring The tests for the requirements given in 9. Dimensions of parallel threaded shanks Dimensions in millimetres Thread size d2 d3 d4 l1 l2 l3 f w d1 min. A reading of zero bar is atmospheric pressure. Safety pattern gauges with baffle wall shall additionally meet the requirements defined in 9. After the test the error shall not exceed 1,5 times The gauge shall be subject to a pressure fluctuating class.

837–1 for types of pressure have an identifying mark at the maximum scale elements value see figure 8. 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: The maximum scale value is a test point.

It does not Double-headed open-ended engineers’ apply to pressure gauges with electrical contacts.

The flow path shall not be a high pressure gas release test as follows. Find Similar Items This product falls into the following categories. Contact the Information Centre. A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions.

Pressure gauges of accuracy classes 0,25 and 0,6 shall incorporate provisions to minimize parallax errors, such as a knife edge pointer. The gauge shall be mounted inclined forwards at 58 to