HGA3/C67 CORREA, EUGENIA Los mercados financieros y la crisis en America Latina. p. HJ/D ECONOMIC COMMISION FOR. Boletin Boletin de Normas y Procedimientos de Auditoria sobre la revisión de Intangibles Manual Operación Grúa Camión Grove GMK Manual Operación Grúa Camión Grove GMK Boletin Boletin de Normas y Procedimientos de Auditoria sobre la revisión de Intangibles.
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BSCircular flanges for pipes, valves and fittings Class designated. BSSpecification for Class 1 arc welding of ferritic steel pipework for carrying fluids. BSSpecification for steel forgings including semi-finished forged products for pressure purposes. BSSpecification for flange dimensions and characteristics. Preparation for storage and transportation 7. BS Midwifery Full 1560.
NOTE 2 The titles of the publications referred to in this standard are listed on the inside back cover. The design of the handwheel, when fitted, or the method of handwheel to stem attachment, shall be such as to permit the fitting of a 1.
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BSSpecification for dimensions and masses per unit length of welded and seamless steel pipes and tubes for pressure purposes. It is incorporated by Royal Charter.
BSSpecification for steel, cast iron and copper alloy flanges. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. It is a convenient number for reference purposes and it is normally only loosely related to manufacturing dimensions NOTE 1 Nominal pipe size is designated by the letters NPS followed by a number.
NOTE 2 Dotted lines denote maximum envelope boeltin transitions from welding groove. PN, Class or Special Class. BSSpecification for steel castings for pressure purposes.
The shell test shall be a hydrostatic test. NOTE 3 The purchaser should specify in the enquiry or order the basic series of dimensions required.
NOTE 1 Hydrostatic seat and back seat tests are recommended in preference to pneumatic tests. Contact the Information Centre.
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NOTE If valves are to be used also for flow of fluid in the reverse direction this should be specified by the purchaser, together with the reverse pressure anticipated see Appendix A. Except as permitted under the Copyright, Designs and Patents Act no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means — electronic, photocopying, recording or otherwise — without prior written permission from BSI.
A product utilizing any combination of the details shown in each particular figure except when such combination may be specifically prohibited in the text or similar construction will be acceptable provided it complies with this standard in all other respects. 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.
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When required by the purchaser the manufacturer shall supply a certificate stating that t he valves and valve parts comply in all respects with the requirements of this standard. BSSpecification for unfired fusion welded pressure vessels.
At the time of publication of this British Standard, no corresponding international standard exists.
If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained. NOTE 2 The back seat should not be regarded as a device permitting repacking of the stem packing gland whilst the valve is under pressure as this is recognized as a dangerous bpletin.
The dimensions and finish of bolting shall comply with th e following British Standards as appropriate. Your consent to our cookies if you continue to use this website.
We share information about your activities on the boeltin with our partners and Google partners: This will be indicated in the amendment table on the inside front cover. The minimum corrosion resistance of any metallic part of the gasket shall be equal to the corrosion resistance of the shell. The seat test and, if the valve incorporates a back seat, the back seat test shall be either hydrostatic or pneumatic. Details and advice can be obtained bloetin the Copyright Manager.
Copyright Copyright subsists in all BSI publications.
NOTE 5 For manually operated valves clockwise closing will always be supplied unless the purchaser specifically requests anti-clockwise closing. Remember me Forgot password? NOTE 2 The details for the weld preparation for butt-weld end valves are not a requirement of this standard but attention is drawn to Appendix B which gives details of weld end preparations and it is encumbent upon the purchaser to specify a particular weld end preparation, if required see Appendix A.
5160 Operators Manual
Valves flanged in accordance with BS BSSpecification for production pressure testing requirements. BS Home BS BSSpecification for quality levels for steel valve castings. Compliance with a British Standard does not of itself confer immunity from legal obligations.