Self relieving seat pressure works on seat area a which is wider than area b. Crvs special design of auxiliary metal to metal or the graphite seal is designed for the trunnion ball valve to effectively prevent both internal and external leakage of the valve in case of fire as required by customers, crvs fire safe design for the trunnion ball valve meets the requirement of api 607, api 6fa and bs 6755. Similarly, trunnion mounted ball design is also capable of bidirectional sealing. Size 2 to 56 50 mm to 1400 mm, asme class class 150 to 2500, design standard api 6d, beyond standards. With the stem in the vertical position this valve design permits disassembly, replacement of the all internal parts and seals and reassembly without removing the valve from the line. Oswals trunnion mounted ball valve is the result of innovative engineering. Windmill valve manufacturer of trunnion ball valve from wenzhou, trunnion ball valves are suitable for use on various kinds of pipelines of class 150class 2500, pn16pn160, jis10kjis20k to cut off or turn on the pipeline medium, of which the operation types include worm gear. The valve design is based on trunnion mounted or support plate configuration in order to get the operating torque as lower as possible. It embodies all the quality, performance, value and safety features required for critical applications. Trunnion mounted ball valve metalseated valves jay. Advantages of trunnion ball design is the lower ope rating torque, ease of operation, minimized seat wear. A ball valve is a quarterturn rotary motion valve that uses a ballshaped disk to. The tmcbv leverages technology from the leaders of trunnionmounted ball valves and control valves for severe service applications.
Ast series shutoff valves trunnion mounted ball valve. The single piston effect is the the standard design for. Perar website trunnion mounted compact ball valvesperar. This type of ball valve is known as cavity filler ball valve. It is essential to understand that these traits are common in all trunnion mounted ball valves irrespective of design or manufacturer. Isv figure number bt3ef0601110rfnhnfg describes an asme class 600, 3 piece bolted body design, full port, trunnion supported ball valve, raised face flange ends, with a105 body material, carbon. Used in many hydrocarbon process applications, ball valves are capable of throttling gases and vapors and are especially useful for lowflow situations. The fk76c splitbody, fullbore, trunnionmounted ball valve represents the highest standards in valve technology. Please contact scv to confirm all dimensions and data offered in this catalog. Soft seated 3piece body trunnion mounted ball valves t60s series1 3 component drawing 4 design features 5 construction and materials 7 valve dimensions and operators 9 material example metal seated 3piece body trunnion mounted ball valves t60m series1 14 component drawing 15 design features 16. Trunnion mounted ball valve is a solution to the problem of excessive torque required by floating ball valve in highpressure service. Trunnion mounted sideentry ball valves sideentry ball valves represent the basic design standard of perar trunnion mounted valves covering a wide range of sizes and pressure classes. Cp series ball valves are for applications where trunnion mounted, cpv port ball design allow.
The fk76m ball valve is available in standard and severe service designs and. Floating ball valve trunnion mounted ball valve standard. The top entry design enables maintenance keeping the valve in service. Side entry trunnion b ball valves b1 b6 side entry ball valves are valves where the ball is assembled from the side part. Metals valve provides cast steel trunnion mounted ball valves in a wide variety of cast materials covering carbon steel, alloy steel, and stainless steel. A trunnion mounted valve means that the ball is constrained by bearings and is only allowed to rotate, the majority of the hydraulic load to be supported by the system constraints. The pressure drop in the trim is distributed so that it occurs not only at the throttling point between the ball and seat, but also at each. It features a modular design that allows simplified adaptation to diverse safety, emissions and performance requirements. The front seal design of the valve provides a tightshut off function in the middle cavity. Our wkm valve product line offers gate valves, trunnion mounted and floating ball valves, and butterfly valves, all built to standards for demanding applications the wkm 370d6 trunnion mounted ball valve is recognized throughout the world for durability, reliability, and flexibility in many challenging situations oklahoma city, oklahoma, usa. Trunnion mounted ball valvetrunnion mounted ball valve. Perar website trunnion mounted compact ball valvesperar website. The torque required to actuate a trunnion mounted ball valve is substantially smaller than the torque required for a floating ball design.
Ball valve learn about floating and trunnion mounted ball valves. As the ball is rotated, in the fully open position the valve provides the through conduit or full bore required for unrestricted flow of the fluid and scrapers or pigs. A short shaft like an extension that called trunnion set in the body. The trunnion ball valve is featured by blowoutproof design with cylindrical extensions at the top and bottom of the ball. We also oem manufacturing in accordance to customers design and requirement.
Its superfinefinished, trunnionmounted ball design is just one of its many important design features. A valve designed to meet every perceived operating condition would be extremely overdesigned for what is generally required. Side entry cast steel trunnion mounted type bs series. Trunion mounted ball valve valve engineering engtips. A typical cast steel trunnion mounted ball valve, worm gear operated, rf flanged ends, 2 piece split body, full port, 6. With decades of valve design, manufacture and production experience, our brand products have been widely used nationwide and worldwide. Thank you for your interest in our trunnion mounted ball valve products. We would be happy to hear from you on 01704 898980 or.
Seat wear due to ball movement should be evenly distributed on. According to the pressure and properties of the flow medium, trunnion mounted ballvalves may be designed to front seal design,back seal design or dual seal design. Ball valves are quarterturn with a round closure element. By contrast, balons multiseal seats provide multiple sealing surfaces for fullrange sealing. At present, there is no trunnion mounted titanium ball valve in china, only floating titanium ball valve. Most trunnion mounted ball valves seal poorly at low pressure. This is a flushbottom valve with a single moving part, zero deadspace and cavity free design, which opens into the. Integral ball stem machined from single piece of bar stock eliminates the backlash during handle actuation. The combination of trunnion mounted balls and unique springol aded upstream seainl g, provides bubbletight shutoff and low operating torques. Body sealing for valves working with gas on pressure classes. The bearings act on the trunnions which may integral to the ball, or may be separate depending on the valve design. Windmill sales representative will contact you within 24 hours. Ansi class 150 285 psi wp 10 through 12 bolted body construction.
During these operations, the greatest cleanliness must be ensured. The technical drawings for forged steel trunnion mounted ball valve, 3 piece split body, side entry, full portfb. Secondary stem sealant injection firesafe packing bleed valve secondary seat injection sealant robust design with heavy wall thickness drain plug large. Ball valves types, construction, applications and advantages. Among that, trunnion mounted titanium ball valve is widely used for petroleum and chemical engineering due to its good sealing, excellent corrosion resistance and adaptation to high working pressure. Argus fk76m trunnion mounted ball valves are engineered to deliver longlasting, tight shutoff performance in oil and gas, petrochemical and chemical industry applications. Trunnion mounted ball valves asme class 150 size inch a1 a2 a3 b h weight kg figure n 1 2 108,5 165 55 6,5 1803 3 4 117,5 191 19 57 8 1804 1 127 140 216 25 70 9,5 1805. With the spe design the trunnion valve only seals on the upstream side. Design dafram trunnion mounted ball valves design, manufacturing and materials comply with the requirements of the 9723ec directive ped, api 6d and asme viii. The handle lies flat in alignment with the flow when open, and is perpendicular to it when closed, making for easy visual confirmation of the valves status.
Find trunnion mount ball valves related suppliers, manufacturers, products and specifications on globalspec a trusted source of trunnion mount ball valves information. The key feature is that the ball does not shift as it does in a floating valve to press the ball into the downstream seat. Fire safe design blow out proof stem construc on an sta c design locking device for lever handle opera on iso 5211 actuator moun ng emergency grease injec on op on pn design can be available trunnion mounted ball valve series f18tkt60 3. Pressuretemperature ratings and the flange design conforms to asme b16. On request, two other trunnion mounted valve designs are available. In this design steam and ball work as a single unit. Side entry forged steel trunnion mounted type be series. The robust design tolerates the heavy loads applied to the valve trim that result from of large sizes, high pressures and dynamic temperature cycles. Swis range of trunnion mounted and high pressure ball valve designs. A ball valve consists of a valve body in which a large sphere with a central hole equal to the inside diameter of the pipe is mounted. Specifying isv three piece trunnion ball valves example. Fugitive emissions soft and metal seated valves complies to iso 158481, class ah and bh stem seal configurations.
In trunnion mounted ball valve, the ball rotates without moving on the horizontal axis, where as seats are floating and free to move on the same axis. The valves do not rely on lubricant or grease to assist sealing between the ball and seat also when metaltometal sealing is used. With our unique and entirely metallic sealing systems they are equally suitable as reliably seali. Our ball valves mainly is supplied for north and south america and north sea oil and gas industries. The valve constitutes of body and end connector material of casting grade astm a351 cf8m.
Nylon for lowpressure sealing, acetal for highpressure sealing. Trunnion mounted ball valve design complies to api 6d. This is particularly advantageous when the ball valve is actuated because it reduce the size of the actuator and hence the overall costs of the valve actuation. Trunnion ball design required a lower operating torque. We manufactured all kinds of ball valves supplying for oil and gas plant, petrol chemical, oil refineries and power plant. If process uptime and valve performance are important to you, then look no further for all your valve needs. The trunnionmounted ballvalve design is used with splitbody large size valves, whereas the floatingball design is the most common design for all other types of ball valves. The fk76m ball valve is available in standard and severe service designs and offers metalseated and softseated configurations for reliable sealing performance. Trunnion ball valve special features balon corporation. All dafram trunnion mounted ball valves have a threaded vent antiblowout valve as per api 6d.
Among them are an antiblow out stem, longlife, doublestem seal system and stem supported in bearings to ensure seals are free from operation loads. Cast steel trunnion mounted ball valve metals valve. Because of the nature of the ball valve, it works very well for situations in which a flow needs to be completely shut off, such as the shutoff valve on the main pipeline. Due to the anchoring of the ball, the trunnion ball valve design is more suited to applications requiring larger valves or higher pressure or temperature operations. Dpe design means, that if the upstream seat is damaged, function of a ball valve is still secured by a downstream seat. In the case of floating ball valves, the process pressure pushes the ball against the seal. An advantage of trunnion ball design over floating ball is the lower operating torque of the ball. The valbart vb2 and vb3 are repairable, bolted body, sideentry, trunnionmounted ball valves featuring a fixed ball and floating seat rings. A trunnion mounted valve means that the ball is constrained by bearings and is only allowed to rotate, the. The ball valve is an inexpensive alternative to other valves. The trunnion mounted ball valve design is used with splitbody large size valves, whereas the floating ball design is the most common design for all other types of ball valves. Ast series trunnion mounted ball valve by hartmann valves gmbh.
Ball valves use a metal ball with a hole bored through the center, sandwiched between two seats to control flow. Ball valve learn about floating and trunnion mounted. The pressuretemperature rating of kitz trunnion mounted ball valves are determined, not only by the valve shell materials, but also by the sealing materials used for ball seats, gland packings, orings, flange gaskets and bearings. There are a few types of ball valves related to the attachment and lateral movement of the ball. Fully welded trunnion mounted type all ball valves conform to bs5351 and api 6d, and are firesafe tested and certified to api 6fa and api 607. A ball valve, one type of continue reading ball valve. The trunnion prevents the ball from shifting and permits the ball to rotate on a vertical axis. 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. Class 150300600 flanged trunnion ball valve series 2063 economical trunnion valve for industrial or pipeline service. It is open when the balls hole is in line with the flow and closed when it is pivoted 90degrees by the valve handle. Both trunnionmounted ball valves and floating ball valves are. Scv reserves the right to change any technical design and dimensional data without prior notice. The torque required to actuate a trunnionmounted ball valve is substantially smaller than the torque required for a floatingball design. Trunnion ball valves the trunnion ball valve is a form of quarterturn valve which uses a hollow, perforated and fixedsupported ball to control flow through it.
Unique operating dynamics of trunnionmounted ball valves. Trunnion mounted ball valves trunnion mounted ball valves general single piston effect spe a trunnion valve seat design that allows automatic relief to the pipe line from excessive pressure built up inside the body cavity. Floating ball valve trunnion mounted ball valve standard design. One of the main advantages of using jc metal seated ball valves is the fact that we can transform a soft seated stock valves into a metal seated valve. Trunnion mounted ball valves ball valve ball valve. Trunnion mounted ball valves a global leader in the design and manufacture of high performance ball valves, butterfly valves, knife gate valves, actuators and accessories for industrial applications. Double blockandbleed design the tk of valve is an endentry, trunnion mounted ball valve. Its superfinefinished, trunnion mounted ball design is just one of its many important design features. The valbart vb2 and vb3 are repairable, bolted body, sideentry, trunnion mounted ball valves featuring a fixed ball and floating seat rings. This feature facilitates the installation of actuators to the valves. The design of trunnion mounted titanium ball valve.
Trunnionmounted control ball valve fcd vbentb006803aq 0514. Trunnion mounted ball valve complete solutions for industrial valves. The ball is controlled from outside the valve, often with a handle that is turned 90 degrees, or a quarter turn, back and forth to open and close the valve. A ball valve is a form of quarterturn valve which uses a hollow, perforated and pivoting ball to control flow through it. Standard end flanges shall be furnished in accordance with asme b16. Hartmann valves valves of the ast series are designed for use as highpressure valves. Trunnionmounted designs with independently sprung seats are preferred for these applications.
The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Also, every operating condition cannot be analyzed to determine performance boundaries. Among them are an antiblow out stem, longlife, doublestem seal system. Designed, tested and manufactured to provide peak performance in your process our trunnion mounted ball valves are utilized in some of the most demanding processes in virtually every industry.
The ball of trunnion mounted ball valve is made by forging process. Trunnion mounted ball valve standard design optional design api 6d, api 608, iso 17292 asme viii design and construction asme b16. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray. A trunnion mounted valve means that the ball is constrained by bearings and is only allowed to rotate. The fk76c splitbody, fullbore, trunnion mounted ball valve represents the highest standards in valve technology. The bearings act on the trunions which may integral to the ball, or may be separate depending on the valve design. This means valves designed for blocking the fluid in both downstream and upstream directions, with two seats, each sealing in both directions. During assembly operations check that the marks for the body and closure coincide.