Case Study I 2020-09-10

RAYS high pressure ball valves used in harsh working conditions are successfully delivered

Recently, a batch of high-pressure pipeline ball valves of DN250-DN400 PN63-PN320 have been successfully completed in our RAYS factory. DN250 PN320 and DN300 PN320 passed the high-pressure nitrogen test of 32MPa for three cycles to meet the requirements in harsh working conditions. The DN400 PN63 metal seated ball valve passed the high-pressure nitrogen test of 6.3MPa for three cycles, and all products meet the Grade A zero leakage requirement in harsh working conditions. This batch of products will be delivered to Russia in upcoming days at an ambient temperature of minus 60 degrees Celsius YAMAL project put into use.Product introductionSpecial purpose metal seated ball valves and high-pressure pipeline ball valves are suitable for Class150 ~ Class2500, PN16 ~ PN420 various pipelines, used to cut off or connect the medium in pipelines. Through the choice of: carbon steel, stainless steel, alloy steel and other valve material – special purpose metal seated ball valve and high-pressure pipeline ball valve can be applied to water, steam, oil, nitric acid, acetic acid, oxidizing medium, urea and other media. Manual, worm drive, pneumatic or electric operations are available according to customer needs.The high-pressure pipeline ball valve is designed and manufactured by: absorbing foreign high-pressure pipeline ball valves technology, adopting special sealing structure, using reliable sealing performance, realizing zero leakage truly, and passing the high-pressure gas zero leakage test requirements. Special purpose metal seated ball valve is designed and manufactured with our special structure, which can realize zero leakage. The ball and seat of the metal seated ball valve for special purpose have good shearing self-cleaning function, which eliminates the phenomenon of stuck resistance caused by dust particles sticking to the valve seal, and keeps the appearance of the conventional metal seated ball valve. The seal of this metal seated ball valve produced by RAYS is processed by supersonic flame spraying tungsten carbide superwear-resistant alloy technology. It has the properties of high hardness and ultra-normal wear resistance where the hardness is up to HRC65~80. Its service life is far longer than the traditional hard sealed ball valve, which is suitable for: organosilicon, polysilicon project, and other special working condition systems.Structural featuresRAYS developed and produced a special use metal seated ball valve with: the advanced supersonic spraying, nickel-based flame spray ball, and seat hardening technology. This is to prevent the valve at high temperatures rise to death, scraper device, such as patent structure, good sealing performance, completely fireproof structure design, natural anti-static structure design, the function of blocking and discharge etc., solved the hard particle medium under harsh conditions for sphere wear-resisting coating wear easily, fall off, medium coking, valve stuck, short service life, to ensure that the metal seated ball valve wear-resisting reliable seal under various temperature and pressure.Quality assuranceQA from the design of ball valves to the procurement, processing, assembly, testing, subsequent surface treatment, packaging, and shipping. This is not only to meet the company’s quality system requirements, but also for the third-party agencies/customer end-users to witness at the same time. Also, this is to ensure that every valve can meet all quality requirements when leaving the factory.Applicable standard specificationsDesign and manufacturing standards: API 6D, API 608, BS 5351, GB/T 21385Structural length standard: ASME B 16.10, GB/T 12221, GOST 28908Connecting flange standard: ASME B 16.5, GOST 33259, GB, JB, HG, SH, BS, DIN, JIS, etc.Test standard: API6D, API 598, GB/T 13927, GB/T 26480, JB/T9092, ISO 5208 GOST 9544…

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Case Study I 2020-04-21

RAYS Gas-Over-Oil Actuated Ball Valves Finished For Delivery

Recently, RAYS have successfully completed a DN150-DN1000 PN63 Gas-Over-Oil actuated ball valves project which have passed various tests. After debugging, these 17 pcs of ball valves and actuators have been delivered to our foreign customer in March of 2020 which will be placed in a large-scale booster compressor station project.Due to the recent epidemic situation in China, under the advice of the local epidemic prevention team during early March, RAYS management and personnel department properly arranged the enterprise to resume work and production. RAYS have tried their best to shorten the impact of the delivery date for customers.All the ball valves delivered this time adopted safety Gas-Over-Oil actuator with hydraulic manual and pneumatic functions, which are featured with remote control and ESD emergency shutdown functions. The customer only needs to provide 220V AC power supply on-site. In addition, the challenging characteristics of the products in this order were: large diameter, high pressure, high height of the whole setup, the largest single piece of the DN1000 ball valve weighed about 15 tons, production equipment, lifting equipment, debugging equipment, and personnel safety production. In the early stage of order production RAYS held: production seminars, process seminars, safety production training sessions for personnel, debugging training sessions for executing agencies, and other ways to ensure the smooth progress of the order. Also, RAYS held reasonable time planning and procurement of the corresponding supporting equipment to ensure the production efficiency of the order and the stringent testing requirements of the valves.The products of this order have two different designs of ball valves: bolted body connection and fully welded body. Before installation of the actuator, in order to ensure that the torque of the ball valve is within the theoretical calculation range, there is a need to detect the torque value of the ball valve before the actuator debugging. Fortunately, RAYS is also equipped with a special automated computer torque detector for situations such as this.The excellent quality and high-performance stability of the fully welded ball valve is not achieved by the normal ball valve. Therefore, the service life of the fully welded ball valve far exceeds the normal ball valve. In this instance, it is used very widely in various fields such as: urban gas, urban heating, petrochemical, ship-building, steel, pressure control station, power plant, and other types of pipeline equipment. Fully welded ball valves can be: long-term, stable operation, easy installation, lower cost of the expenditure, etc. In the foreseeable future, the fully welding process will become a trend in valve manufacturing.For more information, please visit http://old.raysvalve.com/, or send an email to info@raysvalve.com…

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Case Study I 2019-12-19

RAYS XL sized Fully Welded Ball Valves finished for delivery

Recently, RAYS have successfully completed 14 pcs of fully-welded ball valves with specifications of DN1200 PN16 which have passed various tests. They will be delivered to an international customer and put into use within a large-scale natural gas project. Such a large sized valve can be called a “giant valve”. Valve companies rarely produce such large sized full welded ball valves. Therefore, this was also the first time for us, here at RAYS, to manufacture such a large size. We used a serious and rigorous attitude into each process which we invested 100 percent of the effort, and the final product resulted in our favor - RAYS extra-large sized fully welded ball valves finished for delivery successfully. Technical features of fully welded ball valves:Due to the ball valve adopting a fully-welded structure, the overall leakage point is very little which greatly reduces the risk of leakage.Compact structure & easy for installation.Special flux is used in welding with fine granularity and good slag removal which can meet the high strength & toughness of weld metal performance.With fire-safe & anti-static device which are safer and more reliable.The buried type ball valves can be directly buried into the ground, no need to build a tall valve well, only set up small shallow well on the ground, and greatly saves construction costs and engineering time.Body length and stem height can be adjusted according to pipe construction & design requirements.The machining precision of the sphere is very precise and easy to operate.With our customer’s request, the driving device includes: lever, worm gear, electric, pneumatic, pneumatic-hydraulic, electro-hydraulic, etc. The excellent quality and high-performance stability of the fully welded ball valve is not achieved by the normal ball valve. Therefore, the service life of the fully welded ball valve far exceeds the normal ball valve, so it is used very widely in various fields such as: urban gas, urban heating, petrochemical, shipbuilding, steel, pressure control station, power plant, and other types of pipeline equipment. Fully welded ball valves can be: long-term, stable operation, easy installation, lower cost of the expenditure, etc. In the foreseeable future, the fully welding process will become a trend in valve manufacturing. For more information, please visit http://www.raysvalve.cn/, or send an email to info@raysvalve.com, or call +86-577-66999000…

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Case Study I 2019-10-10

RAYS large sized and middle to high pressure Fully Welded Ball Valves finished for Delivery

Recently,RAYS have successfully completed four pcs of fully-welded ball valves withspecifications of 32" CL600 and 40" CL600, which had passed varioustests and finished painting. They will be delivered to an internationalcustomer later this month and put into use within a large-scale natural gasproject. Due to the ball valve adoptinga fully-welded structure, the overall leakage point is very little whichgreatly reduces the risk of leakage.The valve stem is designed forblowout prevention to prevent the valve stem from ejecting from the valve bodydue to improper operation.Fully-welded ball valve alsohas a fire and anti-static device.In order to drain the ballvalve, the drain valve and vent valve are respectively installed on the valvebody. Then the isolation valve or special discharge joint is adopted, which is saferand more reliable. Inconclusion, compared with ordinary ball valves, fully-welded ball valves havehigher safety performance. Fully-welded ball valves can also be equipped with a connecting padof various drive devices. The driving device includes lever, worm gear,electric, pneumatic, pneumatic-hydraulic, electro-hydraulic, etc. 尺寸SizeDN50-DN1400 NPS 2” ~ NPS 56”压力Pressure RatingPN20-PN420 Class 150LB—Class 2500LB材料MaterialWCB、LCB、CF8、CF8M、CF3、CF3M、A105、LF2、F304、F316、F304L、F316L设计制造标准Design standardAPI608、API 6D 、BS5351、ASME B16.34、GB/T12237、GB/T15672结构长度Face to FaceASME B16.10、GB/T12221、API 6D连接标准End ConnectionASME B16.5、ASME B16.47、ASME B16.25、GB/T9113、JB/T79、HG/T70592压力测试标准Test and InspectionAPI 6D 、API 598、GB/T13927、GB/T26480操作方式Operation Method手柄、蜗轮、电动、气动、气液联电动等lever, worm gear, electric, pneumatic, pneumatic-hydraulic, electro-hydraulic For more information, please visit http://www.raysvalve.cn/, or send an email to info@raysvalve.com, or call +86-577-66999000 …

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