High temperature api temp ratings x,y valves use graphite packing. The flexitallic group is the international market leader in the manufacture and supply of high quality, high value sealing products. Valves for api temperature ratings of x and y are pressure derated as required per annex g of api 6a latest edition. Api 6a and 16a spacer spools fabritech manufacture and. Hardfacing with tungsten carbide, hf6 or other techniques are available 5. Equipment that meets the requirements of api spec 6a may be identified as conforming to api spec 6a. Api 6a pressure ratings temperature ratings material applications for bodies, bonnets and end and outlet connections material property requirements for bodies, bonnets and end and outlet connections material requirements body and trim material examples wedge gate valves api 6a single disc valves api 6a globe valves api 6a axial valves api 6a. Api temperature ratings x and y require working pressure of valve to be derated as per api 6a annex g. Spe cial range available on customer request and high temperature design api 6a annex g available. It also defines service conditions in terms of pressure, temperature, and wellbore fluids for which the equipment is designed.
For nuclear service asme iii, admekblatter and rccm are. For a table of ring gasket standard materials and gasket hardness, see table 2 of this catalog. Descriptions for each or all equipment items should also include. Service temperature ratings above 550 f 288 c are outside the scope of this technical report.
Api 6a specification for wellhead and christmas tree equipment. Api 6a globe valves are available in standard configuration or extended bonnet as well. Gate valves are available in manual or remote operation for use in the following pressure ratings and services. Expanding gate the expanding gate is fieldreplaceable and provides a tight mechanical seat that does not rely on line pressure. Specification for wellhead and christmas tree equipment 20th edition oct 2010 validation testingperformance requirement pr1 pr2 pressure temperature cycles force measurement openclose dynamic cycling at ambient temperature maximumminimum temperature cycling pressuretemperature cycles. Manual of petroleum measurement standards chapter 11physical. It is always recommended that the gasket material be softer than the mating flanges. Performance requirements extension on existing pr of api 6a17d identify validation testing for designs and products pr3. Metallic material limits for wellhead equipment used in high temperature for api 6a. Api 6a defines service conditions in terms of pressure, temperature and material class for the wellbore constituents and operating conditions. The ctl equation was developed as a correction to 60f density, so t 60 and. Page 2 of 6 table q7ilsac gf6b passenger car engine oil standard. This specification does not apply to field use or field.
T was correlated to the density at a 60f base temperature and 0 psig pressure. Agehardened nickelbased alloys for oil and gas drilling and. Brian skeels fmc technologies api 17tr8 task group. Bolted bonnet, pressure seal and cryogenic designs are available. Api 6a iso10423 elastomer seals precision polymer engineering. This international standard is based on api spec 6a, seventeenth edition, february 1996, its errata and. Api6a choke valve material trim service categories rating levels. Specification for wellhead and christmas tree equipment see other formats. Specification for wellhead and christmas tree equipment upstream segment ansiapi specification 6a twentieth edition, october 2010 effective date. Temperature classes api 6a 19th edition all products are built for a specific api temperature class consider max flowing and min ambient temperature mud temp. American petroleum institute api6d specification for pipeline valves api6d ss specification for subsea pipeline valves api6a specification for wellhead and christmas tree equipment api6fa specification for fire test for valves api607 fire test for softseated quarterturn valves api608 metal ball valves flanged, threaded, and welding end. Manual of petroleum measurement standards chapter 11. Vb2vb3 standard 29c to 220c 20f to 428f 1 64 25 1600 1 56 25 1400 1 42 25 1050 1 24 25 600 1. Lowtemperature, cryogenic valves kitz valves have been developed to meet the most advanced and demanding technological standards of japan, the worlds leading importer of environmentally friendly, cleanenergy lng liquefied natural gas.
Designed for working with h2s sour gas service and material complies with api 16a 4th ed. The test factors that can be chosen are the mixture of the gasfluid aspect and the test temperature. Agehardened nickelbased alloys for oil and gas drilling. Section 4a api 6a type 6b, 6bx flanges and studded crosses and tees api flanges flanges and studded blocks are designed and manufactured in accordance with the following specifications. Astm a 453a 453 m, standard specification for hightemperature. This document includes by reference, either in total or in part, api, industry and government standards listed in api spec 6a. Users of api specification 6a, 17th edition this edition of api. It was decided to publish api spec 6a in this manner because the volume of balloted changes would produce a large supplement that would. The 17th edition of api specification 6a has been reissued as of december 20, 2002 as a. Materials the gasket material should be selected to suit the service conditions. Minimum temperature represents the lowest ambient temperature that the. Brian skeels fmc technologies api 17tr8 task group chair.
Design method combining api and asme codes for subsea. While the test media is determined by the appropriate api 6a material class, the temperature used corresponds to the api 6a temperature class. Fire test qualified design and certification can be provided, when specified. Full bore the full round bore design allows the fluid. Users of api specification 6a, 17th edition this edition of api specification 6a contains material from the errata issued december 1996 and balloted and approved changes through 1999. Petroleum and natural gas industries drilling and production equipment wellhead and christmas tree equipment immersion testing standard test. Pdf guide api specification api 6a pdf api 6a rfq guide form pdf api 6a gate valves fc type gate valves gate valve fc type is a fieldproven valve which provides reliability and interchangeability, bidirectional sealing and a nonrising stem making it ideally suited for drilling manifolds, xmas trees and severe service, one piece gate. Iso 10423 api 6a international standards for petroleum. The test media is decided by the adequate api 6a material class below. The flexitallic group is the international market leader.
A thermal cycle involving heating to a suitable temperature, usually below the tempering temperature, holding long enough to reduce residual stresses from either cold deformation or thermal treatment, and. Api spec 16c specification for choke and kill sytems. Kitz offers a series of cryogenic valves of proven high quality, as demonstrated by repeated testing. Woodco usa presents this catalog to secure your business. Gate valves are designed to meet requirements of ansi b16. Temperature ratings indicate temperature ranges from a minimum ambient to a maximum flowing fluid temperature expressed in degrees fahrenheit f. Technical report 6af1, technical report on temperature derating of api flanges. Api6a choke valve material trim service categories rating. Section 4a api 6a type 6b, 6bx flanges and studded crosses and tees flanges and studded blocks are designed and manufactured in accordance with the following specifications.
Valves operational problems, pressuretemperature related deformations and flowrelated forces within a valve can be evaluated. Api 603 corrosionresistant, bolted bonnet gate valvesflanged and buttwelding ends, eighth edition api 6d th specification for pipeline and piping valves, 24 ed api 6a specification for wellhead and christmas tree equipment note. Gwc model e gate valves are available with api 6a temperature ratings of l 50o f through y 650o f. The more popular ring type joint materials, with the recommended maximum hardness and identification as specified in api 6a, are shown in the table below. In addition to the normal inhouse testing program, fire tests have been witnessed and certified by independent authorities. Specification for wellhead and christmas tree equipment. The global leader in specialty metals rolled alloys. How to specifiy api 6a pressure control equipment, what. Api technical report 17tr8 american petroleum institute. Api spec 6a api spec 16a api spec 17d api spec 20e astm a 193 grb7 bolts astm a 320 grl7 bolts astm a 194 gr2h nuts awhem tr 9501 1. C to temperature at which 40,000 cp is attained or 40. The scope of this technical report is limited to equipment and components identified in api documents that focus on subsea production equipment while addressing one or. K 75 to 180 f l 50 to 180 n 50 to 140 p 20 to 180 r room temperature s 0 to 140 t.
Charpy impact test results provided as required by api temperature rating and material class. The description for apv equipment consists of a general description, working pressure, temperature rating material class rating, product specification level psl and performance requirement pr. Buyers should describe the equipment by terms and nominal size and pressure ratings appearing in api spec 6a. Butech subsea valves meet performance, safety and reliability expectations in the deepest water and. Piping codes, valve standards and ball valve selection.
Specification for control systems for drilling well control equipment and control systems for diverter equipment api 16f. Product range api 6d api 6a size inmm pressure range size inmm pressure range service asme asme asme asme api api api api 150 600 900 1500 2500 2000 3000 5000 0 side entry mod. Materials the gasket material should be selected to suit the service. Repair and remanufacture of 16a equipment is now covered in api 16ar, standard for repair and remanufacturing of drillthrough equipment. Type, model and size for which the manual is applicable. The flexitallic group is the international market leader in. These ratings are defined in the following api 6a tables. Iso 10423 api 6a international standards for petroleum and.
Temperature ratings api 6a, table 2 temperature class temperature range c f min. The gate valve conforms to all aspects stated in the api 6a standard. Ring grooves can be optionally lined with inconel 625. How to specifiy api 6a pressure control equipment, what you. Api tr 6met metallic material limits for wellhead equipment used in high temperature for api 6a and 17d applications, second edition. Specification for wellhead and christmas tree equipment 20th edition oct 2010 validation testingperformance requirement pr1 pr2 pressure temperature cycles force measurement openclose dynamic cycling at ambient temperature maximumminimum temperature cycling pressure temperature cycles. These ratings are defined in the following api6a tables. Api6a specification for wellhead and christmas tree equipment api6fa specification for fire test for valves api607 fire test for softseated. The temperature matches the api 6a temperature class.