Bs 21 1985 pdf files

Be sure that the bs21 is connected to the correct voltage, and current. Termination is accessed in echamber, by removing aluminum lid fastened with four screws. Abstract range of threads from one sixteenth to 6, together with thread forms, dimensions and tolerances, designations. Bs 81102 apply together with the following which are used in appendix. Threads according bsi british standard institute bs 21 specification for pipe threads for tubes and fittings where pressuretight joints are made on the. Secure pdf files include digital rights management drm software. Measure the bspt male thread od and female thread id at the first full thread near the end of the fitting. All bsi british standards available online in electronic and print formats. Use of a thread sealant is recommended for bspt male to bspt female connections. No annoying ads, no download limits, enjoy it and dont forget to bookmark and share the love.

This british standard specifies requirements for the. The values of k indicated on the column design charts are the additional moment reduction coefficients given by equation 33 of bs 81101. The whitworth pipe screw thread design is technically equivalent between the two standards. The above list of documents may detail standards that do not appear on. Taper external threads and parallel internal threads. The product threads in iso7 and bs 21 and en10226 are identical and fully interchangeable. Here is a listing of the available gages for each specification. Drm is included at the request of the publisher, as it helps them protect their by restricting file sharing. Product threads in iso 7 and bs 21 and en 10226 are identical and fully interchangeable. The first change was that the whitworth pipe screw thread form was redefined in iso 71. Note that the bs 21 is withdrawn, superseded and replaced by bs en 102261. As of today we have 100,974,488 ebooks for you to download for free. Bs parallel threads are also referred to as british gas, british pipe parallel or parallel fastening thread. Bs 21 pressure tight pipe thread joints engineering toolbox.