Atv is a worldwide affirmed manufacturer of valves and actuators for the most demanding applications in the offshore. Subsea valves are used in submarine environments, which can range in depth from shallow water usually down to a depth of 75 meters to deep water down to 3500 meters. Flowserve mccanna cartridge ball valves help improve. A wide variety of subsea ball valve options are available to you, such as high pressure, low pressure.
For applications below 200m, up to a maximum operating depth of 3,000m the deep water subsea actuator will be required. Centurion 50 year life, single isolate ball valve available to international standards and qualifications. The standard design of bohmer ball valves provides a trunnion mounted ball for the nominal sizes 3 inch and higher. Ball valve a ball valve is a valve with a spherical disc, the part of the valve which controls the flow through it. In the subsea design, careful attention is paid to the bearing selection. Control valves are an increasingly vital component of modern manufacturing around the world. This subsea valve range is designed for superb sealing for up to a depth of. Figure 5 example of a safety loop and valve safe state safety.
The valves design is based on proven mccanna topentry valve technology. High pressure subsea ball valves parker autoclave engineers. Subsea ball valves define check valve mccanna ball valves. Any type of block or isolation valve eg ball, butterfly, gate, plug. Subsea ball valve single inconel 625 various 15,000 psig. For subsea control valves, available subsea hydraulic power can be a challenge for actuators. The book also contains new information on valves used in the. Subsea deep water ball valves free download as pdf file. Pr2 design validation test according to api 6a iso 10423 annex f. Apart from the nlgp systems ball valves, all other prepiper alpha ssis use check valves typically. Subsea ball valves our subsea ball valve range is available in bore sizes from 1. Features and benefits compact body design reduces leak paths with greater material integrity. It was published about 50 years ago, but it is still on the shelf of nearly every valve designer. Atuator type 90 degree rack and pinion valve actuator for ball or butterfly.
Main connection size1 max pressure bar 1 valve type1 view as. The mccanna cartridge ball valve is available with a unique onepiece metal seat, which provides better wear resistance and a. For both side entry and top entry ball valves, a subsea version specifically. Subsea ball valves subsea gate valves subsea check valves. Subsea side entry ball valve advanced technology valve. Thus the valve creates a true and intrinsic double barrier. Rhea, in pipe drafting and design third edition, 2012. Based on the type, the global subsea valves market is divided into subsea gate valves, subsea ball valves, subsea check valves, subsea needle valves, and others. Api6dss, api6a, api17d design as requested bidirectional pigging.
Subsea valves subsea ball valve by oliver valves limited. The return line in the direction control valve is blocked due to directional control valves inherent design flow in one direction. Atv designs and manufactures a full range of side entry ball valves, trunnion mounted, two pieces, for offshore subsea. This valve design utilises the simple floating ball arrangement which provides for a low cost compact 10,000psi 690bar ball valve suitable for subsea applications. Subsea valves handbook helps engineers and managers understand the types of valves that are specific to various subsea applications, including their critical functions and a focus on. High pressure subsea ball valves parker autoclave engineers high pressure subsea ball valves are capable of operating to 20,000 psi 79 bar and depths of 12,500 feet 3810 meters, in sizes 316. As a standard, valve design, materials and testing are according to api 6dss but the most demanding customer specifications can be met upon request. Dafram trunnion mounted ball valves are built as standard in accordance with the design. The 2017 valve techbook is the th in a series of techbooks in which hart. The subsea trunnion mounted ball valve is a quarterturn ball valve designed for total reliability against internal and external leaks in shallow and deepwater applications. Metaltometal seats 3mm hardfacing with stellite 6 or inconel 625 rov lock open stem design. Dafram subsea valve solutions dafram subsea trunnion mounted ball valves figures are defined by the following table.
The subsea ball valves can be provided to be locked open by rov. Subsea ball valves ball valves with special tlever or rovbucket the solutions allow safe and convinient actuating of the ball valves by rov or divers. The design is optimized for each specific field of application and complies with the latest standards and regulations. You can also choose from manual subsea ball valve, as well as from stainless steel, brass subsea ball. Ball valves for onoff and those that are used in control. Your control requirements are met by the valves metaltometal seal. Our modern and comprehensive production facilities allow us to machine, weld, conduct non destructive examination processes and apply a wide range of protective paint systems, all under one roof. Subsea manifolds have been used in the development of oil and gas fields to simplify the subsea system, minimize the use of subsea pipelines and risers, and optimize the fluid flow of production in the. With more than 60,000 hcvs installed globally, oceaneering hcvs are key components in 40 percent of the worlds subsea wells.
Proven design for extreme deep subsea installation. Subsea ball valves oil and gas companies, oil and gas. We reserve the right to modify or improve the designs or specifications of such products. Subsea safety valves types, safestates, and function. Subsea valves since the early 1970s, with our first installations in. Svs offer a comprehensive range of high quality, high performance safety valve products including direct spring pressure relief valves, safety relief valves subsea valves ball valves needle and check valves. Properly selected and maintained control valves increase efficiency. Fitforpurpose designs and automation are leading the valve market through the next.
Antistatic device the ball valve design includes an electric conductive. Check valve protection structure gate valve pipeline system ball valve. The subsea ball valves may be manually operated by rov or by diver, if feasible or fitted with hydraulic actuators, rack and pinion or helical spline design. Camerons ringo subsea ball and gate valves typically have a design life equal to the design. The compact, spherical design also eliminates body flanges, thus reducing overall size and. Description of the test specimen is 2 inch ball valve test medium is water and nitrogen. An overview of the ssiv system design identifies the cost effective approach without. Up to 75 bar 20,000 psi working pressure dependant on port type proof tested at 1. Hawk valve specializes in the subsea valve market with a range of ball valves, diverter valves and hot stabs available from piper valve systems and hip. Ball valve is the most used fluid shutoff valve in upstream oil and gas production facilities, both onshore and offshore. Subsea valves fitok subsea valves are manufactured with some notable differences to standard models to help ensure effective fluid transfer for the oil and gas industry.
Subsea ball valve tiv valves api 6dss api 6a api 17d. Subsea valves since the early 1970s, with our first installations in the north sea. The small bore subsea check valves are qualified at different pressure ratings up to 1038bar 15,000psi and are suitable for water depths to 3050m 10,000ft. With standard and compact designs available, fes subsea aims to provide ball valves to meet all client needs, with easytouse, leak free and long lasting operation. So, we recommend that either of the following is used with subsea control valve.
Oth445 report on the reliability study into subsea isolation. They are used normally in subsea manifolds or pipelines, when there are fluid mixes of liquid, gas and sand. The distinctive design of the cameron fully welded ball valve gives it maximum strength at minimum weight as well as maximum resistance both to pipeline pressures and stresses. You can learn the design requirements in the standards such as asme b16. Pdf hyperbaric pressure testing of a subsea valve to validate. Dafram provides all subsea valves designed and manufactured inhouse. Dafram subsea ball valves are available in different construction versions. The cms subsea ball valve is engineered for highintegrity sealing and troublefree operation in a wide range of harsh subsea service environments. Double block and bleed soft seated trunnion valve with bolted ball vent valve or needle. Utilizing the same design technology as the standard ball valve, the subsea design incorporates the necessary design alterations to provide a reliable externally. This subsea valve range is designed for superb sealing for up to a depth of 10,000ft and is designed to. The valve design is suitable for high percentage of sand or solid particles inside the fluid and very high pressure normally above 5000 psi thanks to their through conduit design. A compact and cost effective solution for many high flow subsea applications.
The maintenancefree bearings for stem and trunnion are selflubricating, thus ensuring a lower torque especially for high pressure ratings. Ocean science and offshore engineering book series autoo, volume 27. The side entry bolted body version is one of the most trusted valve design in. Subsea ball valves 5 15,000 psig subsea ball valve 2way, 90 deg turn 15,000 psig.
1095 566 142 519 844 916 1122 45 1003 1312 680 1004 1313 826 699 855 1548 1637 1671 1534 1628 432 1258 365 1168 430 1116 1360 164 306 399 1439 1311 1208 39 565 1617 379 13 1352 174 423 794 1378 160 1286 1239 518 605 551