BS ISO 2861:2013 pdf download.Vacuum technology – Dimensions of clamped-type quick-release couplings. BS ISO 2861 specifies the dimensions of the clamped-type quick-release couplings used in vacuum technology, as well as those of the 0-rings and their carriers associated with these couplings, used to ensure vacuum tightness. NOTE The dimensions retained for the coupling diameter ensure the compatibility of the quick-release coupling with the corresponding vacuum flanges specified in ISO 1609.111 2 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 clamped-type quick-release coupling connection which may be joined or separated without the use of tools ISOIJRCE: ISO 14617-3:2002, 3.15, modified — “clamped-type has been added to the term, Notes ito 3 are additional to the original definition.J Note 1 to entry: Ensures vacuum tightness associated with the 0-rings and their carriers. Note 2 to entry: The types and dimensions ofclamps to tight couplings are notspecified in this International Standard. Note 3 to entry: See Figure 1. 4 Requirements 4.1 Coupling Dimensions of couplings shall be in accordance with Table 1. See Figure 2. The selection of the material shall be compatible with the requirements for the couplings. Considerations may include service temperature, sealing…

ISO 9803-2-2020 pdf free.Vacuum technology一Mounting dimensions of pipeline fittings一 Part 2: Knife-edge flange type. 1 Scope This document specifies mounting dimensions for vacuum pipeline fittings (elbows, tees and crosses) of knife-edge flanges for nominal bores from 16 mm to 200 mm. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 3669, Vacuum technology — Dimensions ofknife-edgeflanges 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 3669 apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: — ISO Online browsing platform: available at https://www.iso.org/obp — IEC Electropedia: available at http://www.electropedia.org/ 4 Requirements 4.1 Mounting dimensions of the vacuum pipeline fittings shall be as specified in Table 1. See Figures 1 to 3. 4.2 Flange dimensions shall be as specified in ISO 3669. One or more flange should be rotatable.ISO 9803-2 pdf download.