Api standard 594 covers design, material, facetoface dimensions, pressuretemperature ratings, and examination, inspection, and test requirements for two types of check valves. Introducing a new 3piece ball valve for services requiring api 608, such as downstream refiners and chemical companies. We certify that velan api 600 gate and api 623 globe. Asme class 150 2500, 2 72 50mm 1800mm api 600 api 623 api 594 asme b16. Api recommended practice 591 process valve qualification procedure. Api624 the standard specifies the requirements and acceptance criteria 100 ppmv for fugitive emission type testing of rising and risingrotating stem valves equipped with packing previously tested in accordance with api standard 622. What is the difference between api 600, 602 and api 6d valves. Api 594 dictates valve dimensions, including wall thickness, facetoface dimensions and od, so valves can replace any make of ansi dual plate water check valve. This standard specifies the requirements for a heavyduty series of bolted bonnet steel gate valves for petroleum refinery and related applications where corrosion, erosion, and other service conditions would indicate a need for full port openings, heavy wall sections, and large stem diameters. Api 598 covers the testing and inspection requirements for check, gate, globe, ball. They range from class ii to class vi and are defined as a percent of rated valve capacity, except for class v and vi, which are defined in the standards tables max allowable leakage. Today, most valve manufacturers strive for and achieve a zero closure test leakage rate during initial factory testing of their metal seated gate and globe valves. This international standard specifies requirements and gives recommendations for the design, manufacturing, testing and documentation of ball. The most recent version of this standard was published in january 2015, effective as of july 15, 2015.
It has acceptable leakage rates for liquid as well as gas testing. This international standard specifies requirements and gives recommendations for the design, manufacturing, testing and. Api standard 598, from the american petroleum institute, provides industry standards for valve ratings and valve leakage. The standard is currently in the 9th edition, which was released in 2009.
Please note that any addenda or errata may not be included in translated editions of this standard. Scv dual plate check valve design naturally reduces fluid drag allowing easy opening and fast closure with minimal hammering. This article is meant to give an insight into the testing requirements of two of the most commonly used standards in the valve industry api 598 an api6d, specific to oil and gas projects in the. Leakage of valves testing api 598, ansi fci 702, msssp61. 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. Api 598 covers the testing and inspection requirements for gate, globe. Oct, 2014 api standard 598, from the american petroleum institute, provides industry standards for valve ratings and valve leakage.
Powell offers api 594 dual plate check valves in asme classes 150 to 600, made from cast carbon steel, stainless steel or alloy steel wafer, lug, or double flanged. The valve size less or equal 2 inch the test duration will be 15 seconds, between 2 12 and 6 inch 60 seconds, between 8 and 12 inch 120 seconds and above 14 inch will be 300 seconds. Api standard 600, from the american petroleum institute, describes the criteria for valve designconstruction and the materialtrim designations for steel gate valves. I recommend that anyone involved in specifying or purchasing valves have current. The mechanical characteristics make the scv wedge gate valve are ideal for bidirectional. Download our 2018 product overview catalog or call us to request a copy.
Api standard 600 does not address the weld process that is to be used. However, the predominant valve testing standard, api 598, valve inspection and test, does have allowable leakage rates for these types of valves in sizes above nps 2. These valves are also api 607 fire safe and nace mr0175 compliant. Bvm3 class 800 maintenance design ball valve keckley company. Globe valves can be manufactured to bs 1873 or ansi b16. This commitment is supported by processes that manage conflicts of interest, ensure personnel competence, maintain confidentiality of information while promoting openness, and enable communication. Api 600, 602 and api 6d valves posted in industrial professionals. Ansifci 702 and iec 605344 are in unison with leakage classes and protocol. Visual check casting of body no damage, heat no check bonnet no damage, heat no check disc. Api 600 nps 4 dn100 wcb class 150 pn20 bolted bonnet gate valve 28 feb. Oct 01, 2016 api std 598 valve inspection and testing, tenth edition on. Our dual plate wafer check valves are available in sizes up to 60 in carbon steel, 316 stainless steel and ductile iron and in classes 125, 150, 300 and 600. Api is not undertaking to meet the duties of employers, manufacturers, or suppliers to warn and.
Api std 598 valve inspection and testing, tenth edition on. Our dual plate check design weighs a fraction of the fullbodied swing or piston check valves. Globe valve advantages and disadvantagesthe advantages are. A catalog of api publications and materials is published annually and updated quarterly by api, 1220 l street, n.
Api 600 is the primary steel gate valve purchase specification. It is important to understand when bulk data or an api is the right technology for a particular database or service. Metal ball valvesflanged, threaded and welding ends. Packing shall be suitable for use at service temperatures 29c to 538c 20f to f. Bolted bonnet steel gate valves for petroleum and natural gas industries. Api 600 steel gate valves flanged and buttwelding ends, bolted bonnets, twelfth edition api 602 steel gate, globe and check valves for sizes dn 100 and th smaller for the petroleum and natural gas industries, 9 ed api 603 corrosionresistant, bolted bonnet gate valvesflanged. Browse related products from american petroleum institute. If you think api 598 file is your intellectual property and shouldnt be listed, please fill in dmca complain and we remove file immediately. This standard specifies the requirements for a heavyduty series of bolted bonnet steel gate valves for petroleum refinery and related applications where corrosion, erosion, and other service conditions would indicate a need for full port openings, heavy wall sections, and large stem. Api standard 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. Api 598 covers the inspection, examination, and testing requirements for resilientseated, nonmetallicseated, and metaltometalseated gate, glove. Api 602 gate valve china valve manufacturer metals valve.
A data api or readonly api is a method for providing small slices of the data. Api 600, 602 are heavy duty valves for petroleum refinery and related services. Api trim number material backseat stem notes 1 410 410 410 410 410 2 304 304 304 304 304 3 f310 310 310 310 310 4 hard 410 hard 410 hard 410 410 410 seats 750 bhn min. Gate valves have forged bodies for bore sizes below 2 inches api 602bs 5352, and cast bodies for larger sizes api 600, api 603, api 6d. The design incorporates the stem design requirements of api 608 including torsional strength requirements. Api std 598 supplements the api standards that reference. Api 600 steel gate valves flanged and buttwelding ends, bolted bonnet thirteenth edition, january 2015 2. Mar 16, 2015 api standard 600, from the american petroleum institute, describes the criteria for valve designconstruction and the materialtrim designations for steel gate valves.
Valve inspection and testing, covers the testing and inspection requirements for gate, globe, check, ball, plug and butterfly valves. Steel gate valves flanged and buttwelding ends, bolted bonnets. Special notes api publications necessarily address problems of a general nature. What is difference between api 6d and api 600 for design gate. Bulk data refers to putting all of the data into a file, or a set of files, so that all of the data can be acquired with a few simple downloads. These two valves are industrystandards respectively for shutoff ball valve and for regulation globe valve applications. We are going to purchase valves from a chinese manufacturer for new unit in refinery, it has submitted the api. Api 600, 602 and api 6d valves industrial professionals. Also if visitors will get caught uploading multiple ed files, their ip will be permanently banned from using our service. Api std 598 valve inspection and testing, tenth edition. Dec 05, 2016 this article is meant to give an insight into the testing requirements of two of the most commonly used standards in the valve industry api 598 an api6d, specific to oil and gas projects in the. All valves built to the various api standards are required to meet api 598 leakage criteria prior to shipment from the.
Reference annex a for information to be specified by the purchaser. Api standard 599, metal plug valvesflanged, threaded and welding ends. If the response is negative, is it possible that one code is more restrictive than the other and the valves costs become higher. The standard covers inspection, supplementary examination, and pressure test requirements for both resilientseated and metaltometal seated gate, globe, plug, ball, check, and butterfly valves. The key difference between a globe and a ball valve is that a ball valve is designed, mainly, for shutoff operations, whereas a globe valve is designed, mainly, to throttle fluids. Valve inspection and testing, covers the testing and inspection requirements for gate, globe. Jul 21, 2014 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. The scv designs offers many features and options beneficial for oil, liquid gas, and liquid applications. Api 609 is the purchase specification for butterfly valves with lugtype and wafertype configurations designed for installation between ansi b16 flanges, through class 600. Leakage of valves testing api 598, ansi fci 702, msssp.
Api is committed to maintaining the highest level of confidence in its certification andor licensing activities by providing impartial and objective assessments of its clients management systems. Valve are mechanical devices specially designed to direct, start, stop, mix or regulate the flow, pressure or temperature of pressure fluid. Api std 623 steel globe valvesflanged and buttwelding ends, bolted bonnets, first edition. If the test fluid is air or gas, no leakage shall be revealed by the established detection method. Coupled with the superior worcester seat design and a positive stem seal design, you are assured of high performance, high. 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. Always consult current api publications to verify information and trim data. Api 608 is intended to provide the similar additional requirements for steel and alloy steel ball valves beyond asme b16. The common ones are ansifci 702iec 605344, api 598, mss sp61 and iso 5208. The installation of this type of valve creates a modest pressure drop in the pipeline, lower than globe valves. Nov 01, 2011 api 609 is the purchase specification for butterfly valves with lugtype and wafertype configurations designed for installation between ansi b16 flanges, through class 600. What is difference between api 6d and api 600 for design. It is possible, that the only difference is due to the fact that api 6d shall be referred only to pipeline valves.
Metals valve provides forged steel api 602 gate valves in sizes 4. Bvm3 class 800 3piece maintenance design stainless steel ball valves and carbon steel ball valves are offered in both full and reduced bore sizes. Piping codes, valve standards and ball valve selection. Valve standards from api the american petroleum institute api spec 6d specification for pipeline valves. Gate valve for piping api 600, 602, 603 projectmaterials. This commitment is supported by processes that manage conflicts of interest, ensure personnel competence, maintain confidentiality of information while promoting openness, and enable. When api 598 cover general testing requirements for valves. A gate valve is a bidirectional valve, as the fluid may flow in either direction.
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