BS ISO Rotary shaft lip-type seals incorporating elastomeric sealing elements. Vocabulary. standard by British Standard. holes and shafts. ISO , Fluid power systems and components — Vocabulary. ISO , Rotary shaft lip-type seals — Part 2: Vocabulary. ISO (E) ISO’s member body in the country of the requester. .. ISO , Rotary shaft lip-type seals — Part 2: Vocabulary.
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Performance test procedures  ISO Vocabulary  ISO Dull sharp edges decreased opening diameter check the dimensions 6.
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Nominal dimensions and tolerances  ISO For details of these and other benefits contact Membership Administration. For undated references, the latest edition of the referenced document including any amendments applies.
The materials used for tests shall be in an unused condition.
Key 1 handle 2 seal housing 3 test fluid 4 test shaft 5 washer 6 spigot 7 plain hexagonal nut 8 washer 9 test seal 10 base 11 holes to locate with pins in base plate of refrigeration unit Figure 2 — Typical example of dynamic low-temperature test fixture www. The test shaft and seal housing shall simulate the envisaged maximum eccentricities specified by the customer. This third edition cancels and replaces the second edition ISO It is the responsibility of the user of this part of ISO to establish appropriate 61994-2 and health practices and to ensure compliance with any national regulatory conditions.
Do not blot dry.
It is the constant aim of BSI to improve the quality of our products and services. For lifetime performance testing, duration will be extended in agreement between purchaser and supplier. They may not be used as a basis for civil legal claims. If it is 61942- than 4 mm, then the micro test procedure shall be used.
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, the identity of which can be found on the inside front cover. Ports with truncated housing for O-ring seal.
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Dynamic sealing is normally the result of a designed interference fit between the shaft and a flexible element incorporated in the seal. Oso, the fact that seals pass, is no guarantee of zero leakage in service.
Avoid unnecessary stretching of the spring during installation. Shaft wear filings and other impurities clean the elements before the installation. An example of a seal test report for the dynamic low-temperature test is iao in Annex B. The Manufacturer reserves the right to introduce changes, according to new technical solutions and progress in the area of technologies and materials.
Excessive wear or hardening of the lip pressure deaerate the sealing chamber no grease supply grease to the ring improperly selected material for a particular factor change the ring material 4.
ISO consists of the following parts, under the general title Rotary shaft lip-type seals incorporating elastomeric sealing elements: Damaged sealing body incorrect installation use proper installation methods careless handling during transport and storage, the rings should be packed 7. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights.
BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Seal drawing reference or specification: An example of a seal test report for a dynamic test is shown in Annex A.
In order to ensure that the material used for production seals does not vary significantly from that of the dynamic-test seals, subsequent sio batches shall also be tested on a random sample basis. If the dimension of the test piece is greater than 4 mm, then the normal test procedure shall be used. For dated references, only the edition cited applies. 694-2
Grooves, scratches or wear of the lip shaft surface too rough remove splinters from the working surface of the shaft wedges, rabbets or sharp edges use proper installation tools protecting the rings from damage careless handling during transport and storage, the rings should be packed 3.
Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. The test specimens shall be similar to those used for the hardness test see 7.
The work of preparing International Standards is normally carried out through ISO technical committees.