Api spec 6d ball valves trunnion supported ball, forged body, bolted bonnet, metal to metal or soft seated sealing design, selfrelieving spring loaded seats or double piston effect sealing system, antistatic device, antiblowout proof stem, double block and bleed or block and bleed, vent and drain fittings, selflubricating stem and trunnion bearings to assure low operating. Top entry ball valves are manufactured, generally, with cast steel bodies. 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. Trunnion mounted top entry ball valves add, to the main features of side entry. The top entry 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. The rockwell mccanna valve is a top entry wedge seated ball valve.
The ast side entry ball valve body is made of three forged parts. Material jamming into the tracks of slide gate valves resulting in sealing surface abrasion with every cycle of the valve. J flow controls series 9500 welded body trunnion mounted ball valve view product. Ball valves top entry 8 the ast top entry ball valve is constructed to allow field service and maintenance whenever required. Series t te tw twe onepiece top entry trunnion ball valves. Metsos neles t5 series top entry rotary ball valves are designed to meet the requirements of chemical, petrochemical and refining industries. Api spec 6d ball valves trunnion supported ball, forged body, bolted bonnet, metal to metal or soft seated sealing design, selfrelieving spring loaded seats or double piston effect sealing system, antistatic device, antiblowout proof stem, double block and bleed or block and bleed, vent and drain fittings, selflubricating stem and trunnion bearings to assure low operating torque. Product top entry ball valves imi critical engineering. Product catalogs dafram ball valves brochure trunnion valves. 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. The main differences between these two ball valve design are. A trunnion ball valve has additional mechanical anchoring of the ball at the top and the bottom, suitable for larger and higher pressure valves. Some designs include facilities for longer boxes to house dual packing sets. We have a total of 1,091 employees in north america and 384 overseas.
With a top entry valve, you can remove the top of the valve to get access to the ball and seats so you dont have to remove the valve from the line to repair it but you do have to blow the line down. Habonims top entry valve design addresses and solves all these issues. In addition to the three things everyone has come to expect from apollo. Grove bt1 topentry ball valve schlumberger products. At our pageland, sc foundry, continuous autopour casting techniques allow us to ship more than 20 million pounds of bronze castings every year.
Emerson is where technology and engineering come together to create solutions for the benefit of our customers, driven without compromise for a. It combines the strength of forged components and field serviceability with cost efficiency and quick delivery. These ball valves are designed with two, three or four ports, they can be approved for specific media, have an iso top and everything else a standard ball valve could have. Petrolvalves experience in the topentry valve design grew faster and. Top entry trunnion c ball valves c1 c6 top entry ball valves are valves where the ball is assembled from top side part. There are a few types of ball valves related to the attachment and lateral movement of the ball. Top entry valves are the perfect choice when on line maintenance is required. Uncompromising commitment to high quality and reliable valve. The valve is not required to be removed from the pipeline. These valves are full inline field repairable, thus eliminating long down times. 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. Ball valves types, construction, applications and advantages. Atv ball valves are suitable for manual operation or for power. Vented ball valves look almost the same as the standard 2way ball valves when it comes to their design.
Hyperbaric testing through external subcontractor high temperature valve testing high pressure system for gas testing. Floating or trunnion design for inline maintainability. Jun 25, 2019 habonims bidirectional top entry cryogenic ball valves 50 series are a modern adaptation of a trunnion ball valve with top entry construction and patent pending innovative design concepts. Kf valves kf series tte ball valves this top entry valve with a onepiece trunnion supported ball conforms to api speci. Uncompromising commitment to high quality and reliable. This design does not rely on the builtin interference of conventional floating ball valves. In the standard versions, the valve is suitable for transmission pipelines, pumping, compression and reinjection units, offshore platforms, onshore terminals, pig traps, measuring stations, and surgerelief skids. Dhv top entry ball valve is available in various combinations of flanged or weld end connections from sizes 2. J flow controls series 9400 firesafe top entry valve view product. The steel casting operation at our conway, sc foundry features both lostwax investment castings and nobake airset castings. The top entry design enables maintenance keeping the valve in service.
Kitz steel ball valves, floating ball design 002 design and inspection standards of kitz flanged ball valves product coding for kitz flanged ball valves. Ball valves side entry 4 the side entry bolted body version is one of the most trusted valve design in the oil and gas industry. Valve design principles top ten features of p21 gemco. Ball valves are manufactured in onepiece, top entry, twopiece fig. Extended stembonnet for underground service is a typical option feature dhv top entry ball valve offers. High integrity top entry trunnion mounted ball valves high integrity top entry trunnion mounted ball valves design features design features swis range of top entry trunnion mounted ball valve design incorporates some of the most advanced features, including many.
A top entry body allows access to the ball and seats for maintenance without the need to remove the valve and is preferred for larger sizes. Top entryfor fast, easy, inline sevicer that simpli. All seats are retained in metal holders which are springloaded against the ball for low pressure. Trunnion supported ball design for superior bidirectional shut off performance across a wide range of pressures. Neles top entry rotary ball valve, series t5 metso. Dafram subsea ball valves are available in different construction versions.
The top enry bt al vl alves are used at an apcpiaonilt. Habonims bidirectional top entry cryogenic ball valves 50 series are a modern adaptation of a trunnion ball valve with top entry construction and patent pending innovative design concepts. As a standard, valve design, materials and testing are according to api 6dss but the most demanding customer specifications can. Many optional features are available for seat designs, seat and stem seals, and end connections. Some designs feature inner and outer seat support rings, where. System pumping efficiency is enhanced and erosion problems are reduced. Top entry reduce bore ball vallve china didtek valve. With a spherical disc or dome valve shape there are no tight cavities for materials to pack and jamup causing the seat to tear or the operation to cease. Habonim top entry cryogenic ball valves 50 series innovative design. J flow controls series 9500 welded body trunnion mounted ball valve. This type of ball valve is known as cavity filler ball valve.
J flow controls series 600 high performance three piece ball valve view product. Top entry expanded seat lcb 900lb reduce bore 32 ball valve, ball valve design according to api6d,bs5351,asme b16. Ball valves, mixing valves, backflow preventers, safety relief valves and more start here with molten bronze and precise sand molds. Velan trunnionmounted ball valve design features softseated valves in valves designed for standard service, a resilient material is inserted into the metal seat holder to provide a soft seating action in addition to the metal to metal seating between the ball and the seat rings. The special v seating design introduced the selfadjusting seat to the floating ball valve. All working parts are accessible for sevicer while the valve body stays. These 2 different designs allow to have several functionalities, as dib or dbb. Enertech cartridge valves top entry isolation valves enertech cartridge valves curtisswright nuclears enertech cartridge valves utilize an innovative design that incorporates the positive characteristics of ball, gate, plug, and high performance butterfly valves without the typical drawbacks associated with these other valve types. For this application, cleanliness is of utmost importance. Camtech top entry ball valve is an advanced design of top entry ball valves, manufactured in a wide range of diameters and pressure classes and is used in pipelines and critical process applications. Jun 25, 20 there are four general body styles of ball valves. Apollo top entry valves speci fied for oxygen service option po are subjected to rigorous preparation procedures including special precleaning and inspection followed by ultrasonic cleaning and more intense inspection.
Velan products memoryseal ball valves topentry ball. The cover of topentry ball valve can be disassembled from the body. A trunnion ball valve has additional mechanical anchoring of the ball at the top and the bottom, suitable for larger and higher pressure valves say, above 10 cm and 40 bars. The cameron grove bt1 topentry ball valve is an advanced design of top entry ball valves, manufactured in a wide range of diameters and pressure classes. The body of the ast top entry ball valve is made of cast andor forged materials and engineered for heavy duty, maintenancefree performance.
Dafram developed an advanced design of the topentry ball valves in a complete wide range of diameters and pressure classes. Our trunnion mounted top entry high performance ball valves are engineered to meet. Floating or trunnion design for inline maintainability wedge seat design for less wear and longer life stem. Top entry ball valves have a monolithic structure are made by one single piece. They feature a double block and bleed, fire safe design and an anti blowout stem. Velan valves are manufactured in 12 specialized plants, including five in canada, two in korea and one each in the u. Trunnion mounted top entry ball valves fluitek orsenigo valves. Top entry ball valve specifications atv advanced technology. Side entry and top entry trunnion mounted ball valve youtube. In this valve model, all the internals can be easily dismounted by loosening the bonnet of the valve and removing the ball. In addition to the three things everyone has come to expect from conbraco.
Types of ball valves floating, trunnion projectmaterials. Velan topentry ball valves superior to threepiece ball valves velan fire safe topentry threepiece fire safe valves 1 twoleakage paths gasket and packing. With the virgo valves product line, emerson has the perfect ball valve to fit your process. The top entry grove bt1 valve is manufactured in a wide range of diameters and pressure classes. J flow controls series 2700 top entry ball valve view product.
Optimum flow full port or reduced port openings give high c v figures. Ball valves trunnion mounted wedge seats design our exclusive wedge seat design means our top entry trunnion mounted ball valves have selfadjusting seats, providing leak tight closure under all operating conditions and valve orientations. Whether your application requires a 2 offtheshelf softseated trunnion ball valve, a custom 60 top entry valve or something in between, emerson can deliver. Top entry 2 no surprises apollos top entry ball valves offer more. Top entry valves dm2600 top entry, ansi 150, direct mount siliconefree, antistatic, faceto. Top entry ball valves allow access to valve internals for assembly, disassembly, repair, or maintenance by removal of the valve bonnetcover. The forged design is typically used for small size, high pressure valves and. Control valves top entry valves trunnion ball valves floating ball valves metal seated valves flanged ball valves. Product control material traceability is maintained on all virgo ball valves. The orbit design has performance advantages that reduce plant outage and reduce the cost of ownership. Velan trunnionmounted ball valve design features trunnionmounted ball the ball. Api 6d trunnionmounted ball valve top entry duration.
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