Grove bt1 topentry ball valve schlumberger products cameron. As you can see in the image above, removing bonnet cover of top entry valves, allows access to valve internals for assembly, disassembly, repair, or maintenance without removing the valve from the pipeline. Side entry ball valves are the marked standard of ball valve types and should be the default choice for general service. Section top entry trunnion c ball valves c1 c6 top entry ball valves are valves where the ball is assembled from top side part. Imi critical engineering is a worldleading provider of critical flow control solutions that enable vital energy and process industries to operate safely, cleanly, reliably and more efficiently. The topentry valve types have a major application when a frequent maintenance must be carried out and the valve can not be easily removed from the pipe. Removal of the bolted bonnet from the valve body allows access to the ball and seats which can be removed with special maintenance tools, designed by. Kitz steel ball valves, floating ball design 002 design and inspection standards of kitz flanged ball valves product coding for kitz flanged ball valves pressuretemperature ratings general valve design shell wall thickness facetoface dimensions end flange dimensions and flange gasket facing pressure test fire test body resilient sealing parts. Product top entry ball valves imi critical engineering. Subsea top entry ball valves are designed according to api6dss, api6a, api17d with the addition of customer requirements when present. Top entry trunnion ball valves are designed for process isolation applications in the oil and gas, oil processing, and petrochemical industries. Onoff service valve, trunnion mountedsupported, topentry, cast body, one piece boltedbonnet constructions, floating seats energized by springs, full or reduced bore, bidirectional. Floating or trunnion design for inline maintainability wedge seat design for less wear and longer life stem seal design complying to iso 15848 fugitive emission requirements special lowtorque cryogenic seat profile.
Ball valve learn about floating and trunnion mounted. Pressure ratings include class 600, class 900 and class 1500. Fugitive emissions soft and metal seated valves complies to iso 158481, class ah and bh stem seal. Virgo isolation valves provide the performance and reliability that is essential to keep our customer process safely operating at maximum efficiency. To comply with technical requests they can be provided with particular features as double block and bleed, double piston effect construction, stem extensions, secondary tightness injection fittings, metal seats, transition pieces. Copelands top entry plug valve copeland severe service metal seated plug valves are design for high cycle rates, low fugitive emissions and abrasive media. In addition to the three things everyone has come to expect from apollo. Extended stembonnet for underground service is a typical option feature dhv top entry ball valve offers.
Ball valves types, construction, applications and advantages. Used in pipeline and industry systems, the ball valves feature a fire resistance design, a onepiece body, and small fluid resistance. Designed to overcome such inherent valve problems as high operating torque and stem leakage, camtite ball valves feature a unique, nonspherical ball with a bevel. The mccanna top entry ball valve has the following.
The steel casting operation at our conway, sc foundry features both lostwax investment castings and nobake airset castings. A full port ball valve has an oversized ball so that the hole in the ball is the same size as the pipeline resulting in lower friction loss. A feature of top entry design ball valves is the allow the valve internals to be accessed by removing the top cover flange. Floating ball valves in a wide range of configurations, including one, two, and threepiece models. Dimensions and weights are indicative and will be confirmed at the time of the order.
The 4 types of ball valves single body, split body, top. In this valve model, all the internals can be easily dismounted by loosening the bonnet of the valve and removing the ball, the seatholders and the shaft. The topentry ball valve standard configuration is soft seated trunnion mounted with selfrelieving seats, antiblowout stem, antistatic device, firesafe certified. Ball valve standards ball valves are mainly designed. Topentry valves are the perfect choice when on line maintenance is required. Size ranges nps 12 12 dn 15 300 pressure rating asme classes 150 300 standard connections threaded, socket weld, butt weld, flanged. Quality quality control certification download quality standard. Omb manufactures an exclusive line of valve solutions designed specifically for the petroleum processing industry that includes the following products. Metaltometal sealing is used between the ball and seat and nonelastomeric seal are provided between the seat and body. Beg series top entry cryogenic trunnion mounted bdg series top entry cryogenic floating. Available in stainless steel and carbon steel as standard with a range of exotic metals available. Dafram developed an advanced design of the topentry ball valves in a complete wide range of diameters and pressure classes.
Size 2 to 56 50 mm to 1400 mm, asme class class 150 to 2500, design standard api 6d, beyond standards. The bolted construction allows disassembly onsite for inspection and possible repair. Camtech top entry ball valve is an advanced design of top entry ball valves, manufactured. The top entry design enables maintenance keeping the valve in service. General valve quadex butterfly valve orbit ball valve top entry ball valve cryogenic valve api6a valve. Removal of the bolted cover from the valve body allows access to the ball and seats which can be. Camtite ball valves are engineered to provide the very best performance for demanding hazardous and corrosive applications. Select the right ball valve in onepiece, twopiece, threepiece, full port, or conventional port. We provide largediameter valves for use in natural gas, lng, crude oil, and refined products transmission lines as. Chevron style stem packing, bolted, adjustable gland. Swi top entry trunnion mounted ball valves have been. Omb topentry valves and sideentry valves to ensure the right fit for your equipment. Ball valves can be categorized as side entry, top entry, fully welded. The trunnion is available for all sizes and for all pressure.
The valves do not rely on lubricant or grease to assist sealing between the ball and seat. Our trunnion mounted top entry high performance ball valves are engineered to meet international standards like api 6a, api 6d, asme b16. Available in full and standard port models, these rugged, high pressure three piece valves are ideal for process, severe service, high temperature, and high cycle applications. We design, manufacture and install customised, highly engineered solutions for new plant builds and also provide complete plant lifecycle service support. A ball valve a quarterturn flow valve having a ballshaped closure member with matching round elastic seats. Resilientseated ball valves featuring memoryseal seating technology, low emissions packing chambers, and other valueadded technical features for superior performance. It is possible to remove the bonnet of the topentry valve allowing free access to the body cavity without dismantling the valve from the line. Velan products memoryseal ball valves topentry ball. The grove top entry ball valve is designed to be maintained in line.
Bray proudly offers the flowtek triad series 3piece ball valve, which features liveloaded stem seals and a redundant body seal design. The valve ends are available as butt welding, socket welding, flanged, threaded, soldering, or brazing ends. Whenever ball valves are used in critical service applications, in situ field repairability with quick turnaround is often needed. Ball valves are manufactured in high and lowpressure classifications.
Our valve actuators meet stringent marine standards for performance, high vibration and harsh conditions. As an innovative supplier, valvitalia offers an array of highquality, competitively priced products and services. The t2 valve series is intended for either control or shutoff applications. In this design, a valve body is divided into two or three body parts. Ball valves are manufactured in several different body configurations. Side entry and top entry constructions are available. They can be manufactured from cast steel, forged steel and stainless steel. Top entry ball valves topentry valve wide range of diameters and. The top entry ball valves are used at an application. Bsj series trunnion mounted dbb compact manifold ball valve ba series jacketed ball valve. Thousands of tons of carbon steel, stainless steel, alloy 20, and other exotic alloys are cast here annually to exact. Our ball valve program covers floating type ball valves, and trunnion mounted. Trunnionmounted ball valve design complies to api 6d. Available in class 150, 300 and 600 can be supplied with end connection in screwed, butt weld, socket weld and flnged rptfe seats as standard with a.
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