Gear operators are available as an option in other sizes too. Standard specification for highpurity dense yttria tetragonal zirconium oxide polycrystal ytzp for surgical implant applications1 this standard is issued under the fixed designation f 1873. Freedownloadisostandardspdf iso consultants and products. Rising stem plug type disc, others upon request threaded, welded or integral seat ring metal seats or inserted soft seats bolted bonnet extended bonnet manual and actuator operated gear, electric, pneu. British standard glossary for valves and valves parts for fluids part,2 safety valves and relief valves. An example of a bs standard that cannot be purchased as a downloadable british standard is bs 5252f. Reliable globe valves body seat ring is shoulder type, threaded body seat ring which has. Bsi bs 1873 specification for steel globe and globe stop.
In this article, we illustrate the scope of this type of valve which is, in a word, to regulate the flow, the differences with other types of valve, the alternative designs, and specifications bs 1873 for the cast steel and api 602 bs 5352 for the forged steel type. The standards produced are titled british standard xxxxp. Set up standards of quality for goods and services, and prepare and. Product specification and test methods is classified in these ics categories.
Mss sp55 2011 quality standard for steel castings for valves, flanges, fittings, and other piping components. Scribd is the worlds largest social reading and publishing site. Design characteristics realised to swit the working conditions with high safety factor. Mss sp55 2011 quality standard for steel castings for. Date text affected 10880 corrigendum april 2000 updates foreword, sidelining and minor printing errors 12026 corrigendum october 2000 updates section 1, figure 3. Preparation of test specimens and determination of properties status. Nov 01, 2011 bsi publishes several standards covering areas that u. Globe valves are generally characterized for their spherical body with the two halves of the body being separated by an internal baffle. You can buy this standard from any national standardization body. Swing check valves bs 1868 swing check valves bs 1868 orion steel valves swing check valves bs 1868 p.
Specification for steel globe and globe stop and check valves flanged and buttwelding ends for the petroleum, petrochemical and allied industries. When shall it be used instead of gate and ball valves. Reliable valves globe valves are outside screw, rising stem, bolted bonnet construction, threads are away from the line fluid and easy to lubricate. Bs 1873 steel globe and globe stop and check valvesflanged and buttwelding ends for the petroleum, petrochemical and allied industries bs 6364 valve for cryogenic service bs en iso 17292 metal ball valves for petroleum, petrochemical and allied industries bs en iso 122661 industrial valves testing of valves. Iso consultants cliffe hill house 2226 nottingham rd stapleford nottingham ng9 8aa. This has an opening that forms a seat onto which the disc, connected to a stem, can be screwed in if operated manually or slid in if automated to close the valve.
All bsi british standards available online in electronic and print formats. Reliable globe valves are generally available with plug type disc, which is designed to give leak tight seating over a long period of in built wear life. Aug 16, 2019 the faster, easier way to work with standards. Face to face dimensions are in accordance with asme b16. Bsi publishes several standards covering areas that u.
British standards bs are the standards produced by the bsi group which is incorporated under a royal charter and which is formally designated as the national standards body nsb for the uk. Bs standard is a specification for steel globe and globe stop and check valves flanged and buttwelding ends for the petroleum, petrochemical and allied industries the list below are standards. The end flanges for class 150, 300, 600 are designed as per asme b16. Once you have purchased your british standards download you will be entitled to download one copy of each british standards pdf onto a single computer. This has an opening that forms a seat onto which the disc, connected to a stem, can be screwed in if operated manually or slid in if automated to close the valve however many globe valve designs do not have the traditional round bodyshape. The bsi group produces british standards under the authority of the charter, which lays down as one of the bsis objectives to. Asme ansi valve standards api bs steel stainless ball butterfly. Bsi group currently has over 27,000 active standards. Bs 87 is uk standard and ansiastm are american standards. The face to face dimensions of class 150, 300, 600 are in accordance with asme b16. The hinge pin is part of the trim, in forged stainless steel. Casting materials are rigidly checked to ensure quality and safety. Specifies requirements supplementary to those in the applicable valve product standards when the valves are used for cryogenic service.
Committee reference pve2 isbn 0 580 33079 6 amendments issued since publication amd. These documents are excellent starting points for persons needing guidance in these particular areas. Bsi bs 1873 specification for steel globe and globe. Bonnet studs and nuts are manufactured from alloy steel to the relevant astm standard. There is no api standard for globe valves, however api 600, api. Astm b148 standard specification for aluminumbronze sand castings. Ansi globe valves with bellows ecoline glb 150600 212. What is the equivalent of bs 1873 in api standard answers. All valves have been designed according to bs 1873, asme b 16. Yyyy where xxxx is the number of the standard, p is the number of the part of the standard where the standard is split into multiple parts and yyyy is the year in which the standard came into effect. British standard glossary for valves and valve parts for fluids part 1. Ansi class 150 300 400 600 800 900 1500 2500 asa class 125 pn 10 to pn 100. Similarly ball valves manufactured to api 608 may be specified as tested to api 6d. An example of a downloadable british standard is bs en iso 9001.