We are very proud to announce the successful completion of the pr2 qualification testing on an api 10,000 metal seated actuated ball valve, in full accordance with api 6a appendix f, elevating the complete unit valvitalia valve and actuator to extreme high and low temperatures whilst dynamically cycling it under various pressure conditions, up to 690 bar. Maverick api 6a valve design is developed using the latest software based analysis tools. Api specification 6a, appendix f, pr2 level and iso10423. Hydrostatic pressure cycle test in accordance with api 17d307. Valves for api temperature ratings of x and y are pressure derated as required per annex g of api 6a latest edition. An excellent roi is achieved through original spare parts and ssv warranty. Anytime the valve chamber can bear the pressure of the pipeline. Api 6a specification conformance for christmas tree and wellhead applications is provided by double block and bleed valves like this. These ringo globe valve versions include straight pattern globe valves, ypattern globe valves, angle 90 o globe valves, stop check globe valves, positive and adjustable chokes to api 6a standard, and control globe valves. Api 6a specification for wellhead and christmas tree equipment. For example, when picking a materials class rating from what is listed as standard, a wellhead outlets commonly used material class would be ff which is stainless steel. At the design stage, all projects are analysed using 3d solid modeling tools. Standard df type gate valve conform to the latest edition of api 6a, rigid parallel gate can.
Performance verification testing of valves and compontents. Hi all, greetings for api 6a chokes, i have some below queries reg testings of validations. Swri also has the ability to design customized software and test systems for. Gas testing is required for equipment for rated working pressures of 69,0 m api 6a pr2 valve engineering. Valve body is machined of alloy steel forging with a stronger machinery properties and reliable performance. Valve volume and weight is less than other gate valve. Oemic nff series gate valve is available in working pressure from 2,000 to 5,000psi and flange size from 2 to 4. Df type parallel gate valve is bidirectional valve with effective seal.
Psl1 is the minimum requirement of api spec 6a for design, specification, qualification, temperature, process, inspection and hydrostatic test. Ssv flsr type frac valve is a highpressure isolation gate valve fitted to the top of the frac tree or wellhead on a well that is about to be hydraulically fractured. Parker sourced a new packing material and modified head assembly to ensure great results and successful pr2 and psl3 testing was achieved. Swris ocean simulation laboratory valve testing program evaluates production valves as recommended in api specification 6a. Api 6a ball valve is the very important equipment on oilfields and it is usually installed on the pipeline, manifolds, pressure vessels, wellhead christmas tree etc api 6a ball valve is a kind of trunnion ball valve with api 6a flange connection and designed and manufactured in. Mud valve can be applied in the mud circulating pipe line. Sequencing of valve operations at varying pressures, valve positions and ambient and valve body temperatures. You can also choose from manual api 6a gate valve, as well as from stainless steel, brass, and alloy api 6a gate valve there are 1,026 suppliers who sells api 6a gate valve on, mainly located in asia. All the starline api 6a ball valves are identified on proper name plate and on valve body as required by api. Bfe can also extend the api 6a design concept to the following design. The computer system and customized software automatically.
Api 6a standard were initially developed to cover all christmas tree and wellhead equipments but today they are used for a large part of the upstream oil and gas industry. Our api 6a valves are available in an extensive range of designs, materials, sizes and pressure classes and are in full conformance with api. Dafram subsea valve solutions dafram subsea trunnion mounted ball valves figures are defined by the following table. The frac valve is capable of producing multi staged fracs in the toughest environments. Standard ed section question answer mycommittees api. The valve is stripped, cleaned and inspected in accordance with iso 10423 api 6a appendix j. Data logging software is used to capture and record all temperatures and. Api 6a chokes pr1pr2 testings cr4 discussion thread. We offer more than 40 years of experience testing valves, chokes, actuators, and other wellhead equipment used in the oil and gas industry. The gate valve conforms to all aspects stated in the api.
Master valve s high quality valves are trusted for toughest services including gas processing, drilling, production, transmission, storage, subsea deep water, and. Specification for wellhead and christmas tree equipment. Api 6a or api 6d design and construction as required as required as required face to face dimensions to api 6d and ansi b16. There are 545 suppliers who sells valves api 6a on, mainly located in asia. Blog an introduction to api 6a for surface equipment. Flow testing iec 60534 dn 50 and dn100 flow lines fire testing bs en 10497api 607. Api6a valve tipvalve designs and manufactures various types of api 6a valves suitable for the demanding environments of onshore and offshore drilling and production such as wellhead and christmas tree. Given the lowest rate valve in api 6a has a 2,000 psig working pressure, can a. Gwc italia proven technology for individual valve solutions worldwide 6 valve trim chart nonnace trims nace trims api material class service trim corrosive available api temperature body bonnet gate seats stem bonnet seal ring studs nuts packing 1.
Prv2size software is an easy to use and comprehensive program that offers sizing, selection and configuration capabilities for anderson greenwood, crosby and varec brand over pressure protection valves and for yarway brand automatic recirculation control valves. The main driver of monogramming equipment is to show. Dear all, please let us know what is the meaning of operating cycle mentioned in api 6a. In all cases globe valves can be provided for onoff service as well as for. Well head valve manufacturer, well head valve stockist, manufacturer of api 6a gate valve, api 6a check valve, api 6d gate valve manufacturer. Flsr type frac valve is strictly under api 6a monogram, plus many higher ssv company specific standards. Hand operated valves are supplied either with a lever or gear operator.
Product specification level psl 1,psl2,psl3,psl3g,psl4. Our local business partners can provide support with a wide range of product testing and qualification including. Benefits include reduction of development time and costs, improved product quality, and ability to solve field problems for customers. We can also test stem seals, bonnet seals, and other. Jim breeze, product manager at parker instrumentation product division europe, explains. Our test facility is capable of testing any valve type or class up to and including dn 400. The ringo globe valves are offered in various versions to meet the application specifications. Pr2 test requirement with respect to operating cycles api 6a. The product offerings are enabled by british capital, perfected and finished with both british quality and top brand madeinusa components and proprietary. Several metal seated ball valves, for application on the total elgin franklin platform, are to be tested in accordance with api 6a pr2. We are pleased to announce the publication of the 21 st edition of specification 6a, wellhead and tree equipment.
The frac valve can be ball screw operated or manually hydraulically operated. Pr2 testing exposes valves to extremes of high and low temperature, whilst cycling between different. Determine how to link sc20 requirements to api 6a requirements c. Dafram trunnion mounted ball valves are built as standard in accordance with the design requirements of api 6a 17d, api 6dss and, upon request, b16. Replacement and repair of valve core is conveniently. Special valves for hipps application are also available together with operation devices. Quality control level is up to psl 4 and performance requirements and tests are up to pr2. Gas testing submerged if required up to api 30ksi nitrogenheliummix. Our test facility is capable of testing any valve type or class up to and including dn. The facility can accommodate up to 20,000psi rated valves and actuators. Lightly and easily open the valve under full workload 15,000 psi, the tested open torque is as follows 2116 39 to 56 ftlb 2916 61 to 85 ftlb 3116 84 to 2 ftlb the open to. Gwc model e gate valves are available with api 6a temperature ratings of l 50o f through y 650o f. Api flanges flanges and studded blocks are designed and manufactured in accordance with the following specifications.
The grove ist ball valve has undergone an extensive qualification test program that qualifies the full product range to api 6a pr2 for performance, api 6av1 for slurry testing and api 6076fa for fire testing. Api 6a check valve nonreturning valve creates the metaltometal seal by the pressure of the medium, the more the pressure is, the better the sealing effect is. Vatac offers a broad line of the most dependable cast and forged ball valves for wellhead systems. Gtp solutions plug valves are available in manual or hydraulicpneumatic actuation for use in manifold systems. 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. Our api 6a valves are available in an extensive range of designs, materials, sizes and pressure classes and are in full conformance with api and nace specifications. Gas testing is required for equipment for rated working pressures of 69,0 m api 6a pr2 valve engineering engtips. Design, construction, marking for api 6a valves bfe manufactures a complete line of quality api 6a valves, and can provide the exact valves and actuators to meet the most demanding application requirements. Dafram trunnion mounted ball valves are built as standard in accordance with the design requirements of api 6a17d, api 6dss and, upon request, b16. These valves are manufactured in compliance with api 6a and api q1 and are available in working pressures up to 15,000 psi.
Manufacture of the valve takes place in a plant that is regularly audited by third party auditing bureaux to ensure the api. Gas testing submerged if required up to api 30ksi nitrogenheliummix methanol testing up to 10ksi. The series is a split gate, non rising stem, full bore, through conduit gate valve designed to work in variety of environments. We can also test stem seals, bonnet seals, and other api6a equipment. A wide variety of api 6a gate valve options are available to you, such as high pressure, low pressure.
Valves covered by this specification are in general components for use in upstream oil and gas exploration, production and incorporate all the activities associated with the. It is mainly used for switching on or off the medium within pipelines, that is, it is used in a full open or close manner. Api gate valve the gate valve is formed between the two sealing faces of the singledisc or doublediscs wedge gate valve and perpendicular to the pipeline axis. The top countries of suppliers are china, hong kong s. For a number of years, parker has offered a range of double block and bleed process to instrument valves in 5000 psi and 10,000 psi maximum rated working pressures. Api 6a explained iso the international organization for standardization is a worldwide federation of national standards bodies. The complete process to instrument range comes in 5,000 and 10,000 psi maximum rated working pressures. Maverick manufactures a complete line of quality api 6a products such as valves, spools, casing heads, xmas trees and can provide the exact valves and actuators to meet the most demanding application requirements our api 6a products are available in an extensive range of designs, materials, sizes and pressure classes and are in full conformance with api and nace specifications. Api specification 6a, 21st edition we are pleased to announce the publication of the 21 st edition of specification 6a, wellhead and tree equipment. Master valves high quality valves are trusted for toughest services including gas processing, drilling, production, transmission, storage, subsea deep water, and. The valve is robust, easy to maintain, conforms to international design requirements and quality assurance programmes. Ball valves for high pressure service are according to api 6a standard and available in different construction versions.
Expanding gate the expanding gate is fieldreplaceable and provides a tight mechanical seat that does not rely on line pressure. A full technical report is issued to the client for consideration including a list of reusable parts and recommendations for refurbishment. Product features forging body and bonnet low operation torque. Both needle and ball versions are offered along with a higher pressure straightthrough bore firesafe type. Proven technology for individual valve solutions worldwide. Xian chancemate with api 6a, 16a,16c certificate, is the best manufacturer of wellhead,christmas tree assembly, bop, hydraulic bop control unit, casing head, tubing head, choke manifold, api 6a valve and swivel joints, hammer unions, adaptor and crossov. Pr2 testing makes you test it open valve twice under pressure. Highlow temperature test system for pr2 valves ivs flow. Design validation testing in accordance with api6a typically involves the use of nitrogen gas as the pressurization medium. With features of double block and bleed capabilities, secondary sealant. The grove ist ball valve has undergone an extensive qualification test program that qualifies the full product range to api 6a pr2 for performance, api 6av1 for. All available material classes aa, bb, cc, dd, ee, hh, to nace mr0175. A wide variety of valves api 6a options are available to you, such as api. Maverick api 6a product design is developed using the latest software based analysis tools.
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