Flanged, lug, wafer and buttwelding api 598 valve inspection and testing. Each edition, revision, or addenda to this api standard may be used beginning with the. The standard covers the inspection of piping, tubing, valves other than control valves and fittings used in petroleum refineries ansiapi 590 steel line blanks ansiapi std 594 check valves. Included are manuals, standards, specifications, recommended practices, bulletins, guidelines and technical reports. Ansi valve standards ansi the american national standards institute standardization and conformity assessment system. Api standard 594, eighth edition please be advised that the 8th edition of api standard 594, check valves.
Api valve standards defined and explained valve news. Sure flow check can be installed with confidence into offshore or onshore pipeline systems on product or service lines, wherever nonreturn protection. This first edition of iso 803697 cancels and replaces iso 5941. Publication as an international standard requires approval by at least 75 % of the member bodies casting a vote. Overview and update of api standards iadc south east asia chapter meeting kuala lumpur, malaysia march 21, 2017. Dpv maintains an extensive quality system which complies with the requirements of major oil companies, industry standards and to the iso 9000 standard. An appendix covers information pertaining to pressure seal valves.
Face to face dimensions dualplate wafer check valves api. Table of contents show below hide below 1 scope 2 normative references 3 terms, definitions, acronyms, and abbreviations. Product introduction retainerless check valves fe series the sure flow check wafer check valve is a precision engineered, fully developed product at the forefront of pipe system technology. This standard covers inspeciton, examinaiton, and pressure test requirements for resilientseated. Standard avs in 1962, followed by a similar hi tentative standard in 1965. In its first 100 years, api has developed more than 700 standards to enhance operational safety, environmental protection. Flanged, lug, wafer, and buttwelding from sai global. The facetoface tolerance shall be as specified in asme b16. For the most part it is the api 600 of check valves however it has a couple odd manufacturing requirements that many standard designs do not meet ex. Api 5791asme ffs1, fitnessforservice, third edition, is a standard developed and published jointly by the american petroleum institute api and asme.
Flanged, lug, wafer, and buttwelding 1scope this international standard covers design, material, facetoface dimensions, pressuretemperature ratings, and examination, inspection, and test requirements for two types of check valves. Covers the requirements for testing valve stem packing and evaluating its performance when exposed to specifically defined fire conditions. American petroleum institute api standards advocate proven, sound engineering and operating practices and safe, interchangeable equipment and materials from drill bits to environmental protection. Face to face dimensions dualplate wafer check valves api std. Product introduction retainerless check valves fe series. International standard iso 5942 was prepared by technical committee isotc 84, medical devices for injections. Api was formed in 1919 as a standards setting organization and is the global leader in convening subject matter experts across segments to establish, maintain, and distribute consensus standards for the oil and gas industry. American petroleum institute api standards ihs markit. Api does not represent, warrant, or guarantee that such. Api history and organizational structure standards development process standards committee structure and organization format and style guide global standards update. The general purpose of this valve is to prevent backflow flow in the opposite direction.
Packing may be a combination or an arrangement of more than one material. This international standard specifies requirements and gives recommendations for the design, manufacturing, testing and. The most recent release of this standard was the eighth edition. Api 579 asme, fitnessforservice ffs inspectioneering. Both the avs and hi standards superseded by ansi b123. In accordance with api6fa and api standard api607 for trunnion ball valves in accordance with api6d.
Monogram applicants api auditors of api std 594 from. If a product is supplied bearing the api monogram and manufactured at a facility licensed by api, the requirements of annex a apply. In order to read a secure pdf, you will need to install the fileopen plugin on your computer. In consonance with european high quality standard products and according to api 594 api. This standard covers the design, material, facetoface dimensions, pressuretemperature ratings, and examination, inspection, and test requirements for two types of check valves. Api 594 ansi dual plate wafer check valves the industry standard.
The fileopen plugin works with adobe reader and other viewers. Specification for line pipe engineering steel supplier. It covers conical fittings made of rigid and semirigid materials to be used with hypodermic needles and syringes. Valve standards from api the american petroleum institute api spec 6d specification for pipeline valves. General the api downstream segment has prepared this standard to cover large, fieldassembled storage tanks of the type described in 1. Flanged, lug, wafer, and buttwelding, is a standard developed and published by the american petroleum institute api that covers the design, materials, facetoface dimensions, pressuretemperature ratings, and examination, inspection, and testing requirements for type a and type b check valves.
This second edition cancels and replaces the first edition iso 5942. Api standards and the standards development process discussion will cover. Flanged, lug, wafer, and buttwelding, has been published. Ansiapi 574 inspection practices for piping system components. Api 594 is a standard published by the american petroleum institute that covers the design, inspection, and testing requirements for certain types check valves. Specification for line pipe ansiapi specification 5l fortyfourth edition, october 1, 2007 effective date.
Special notes api publications necessarily address problems of a general nature. Api does not represent, warrant, or guarantee that such prod ucts do in fact conform to the applicable api standard. Api standards and the standards development process. Flanged, lug, wafer, and buttwelding, eighth edition.
Wafer type design, to take lesser space than the conventional check valve. This standard is not to be interpreted as approving, recommending, or endorsing any specific design nor limiting the methods of inspection, repair, alteration, or reconstruction. Api standard name api spec60 supplement 1 to api spec 60 sixteenth edition. The rules given in this standard are minimum requirements. Please be advised that the 8th edition of api standard 594, check valves. Full port swing check valves are fully piggable to accommodate inspection and cleaning devices. Api standard 594 covers design, material, facetoface dimensions, pressuretemperature ratings, and examination, inspection, and test requirements for two types of check valves.
The iso 594 conical fittings package specifies the requirements for conical lock fittings with a 6% taper. Available sizes range from 2 thru 36 in classes 150 thru 2500. Api 598 supplements the api standards that reference it, but it may also be applied to other types of valves by agreement between the purchaser and the valve manufacturer. Swing check valves print email flv check valve is a oneway valve allowing fluid to flow through one opening and leave through the other.
Content and scope expanded with each edition, current edition 2012. Check valves type b manufactured in accordance with api594 specification. Being light in weight, is more rigid than the standard swing type check valve, which needs expensive foundation and special supports. Api 594 monogram licensees api 594 monogram applicants api auditors from. So what what most people really want is a check valve that meets the.
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