Whether produced in stafford or internationally, all isv trunnion mounted ball valves are designed and manufactured in strict accordance to industry standards and isv product design specifications. 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. The combination of trunnion mounted balls and unique springloaded. The technical drawings for forged steel trunnion mounted ball valve, 3 piece split body, side entry, full portfb. 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. 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. Soft seated 3piece body trunnion mounted ball valves t60s series1 4 component drawing 5 design features 6 construction and material 8 valve dimensions and operators 10 material example 12 metal seated 3piece body trunnion mounted ball valves t60m series1 component drawing 14 design features 15. The tmcbv leverages technology from the leaders of trunnion mounted ball valves and control valves for severe service applications. The fk76m ball valve is available in standard and severe service designs and.
Ball valves are intended to be used as onoff flow control devices and are not to be used to throttle fluid flow. 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. The design provides for stem sealant injection optional between the elastomer seal and the gland packing for valve of sizes 8 and above, which gives the third level of protection. Description the tartarini trunnion mounted ball valve is a generalpurpose block valve used for longrange natural gas, oil, petrochemical, and other chemical industry pipeline system. Of these metal seated ball valves supplied, some are floating design, while the rest are trunnion mounted with extension bonnets for low to high temperature service.
Closure of the valve is by a disc trunnionmounted through the body and lever. The design allows the removal of the valve from the line and the subsequent disassembly at site for maintenance. Sealing is achieved by spring loaded piston type seats which shut off flow when line pressure acts on the upstream seat. The trunnion prevents the ball from shifting and permits the ball to rotate on a vertical axis. The ball is operated by a sealed spindle to which the operator is attached. Jan 11, 20 all dafram trunnion mounted ball valves have a threaded vent antiblowout valve as per api 6d. Used in many hydrocarbon process applications, ball valves are capable of throttling gases and vapors and are especially useful for lowflow situations. Swis range of trunnion mounted and high pressure ball valve designs. Ball valves are classified as either floating ball or trunnionmounted types. If process uptime and valve performance are important to you, then look no further for all your valve needs. 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. Itz trunnion mounted ball valve design 8 item uncorrosi ve low temp.
The ball valve is an inexpensive alternative to other valves. As a result of its inherent higher rangeability combined with its increased. 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. Nvtt top entry design, one piece body summary the trunnion mounted ball valves designed in accordance with api 6d available in full and reduced bore. Both trunnionmounted ball valves and floating ball valves are available with a wide range of additional options. Biermanns handbook of pulp and paper third edition, 2018.
Integral ball stem machined from single piece of bar stock eliminates the backlash during handle actuation. Environmentally friendly valves in concert with customers continual efforts to both reduce the cost of ownership and comply. Valves have been designed for use with various combinations of materials such as carbon steel, low carbon steel, special alloy. Ball valve learn about floating and trunnion mounted. The bearings act on the trunnions which may integral to the ball, or may be separate depending on the valve design. Advantages of trunnion ball design is the lower ope. The trunnion ball valve is featured by blowoutproof design with cylindrical extensions at the top and bottom of the ball. Velan trunnionmounted ball valve design features trunnionmounted ball the ball is fixed and the seat rings are floating, free to move along the valve axis. Of these metal seated ball valves supplied, some are floating design, while the rest are trunnionmounted with extension bonnets for low to high temperature service. Floating ball valve trunnion mounted ball valve standard. This valve is required only for special applications where the automatic body cavity relief of the trunnion mounted valves needs to be controlled, limited to upstream side or handled in every different way. Side entry cast steel trunnion mounted type bs series. Pdf design of ball valves karthik gundurao academia. The gasification process converts coal to gas using a combination of oxygen and superheated steam.
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. 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. Double blockandbleed design the tk of valve is an endentry, trunnion mounted ball valve. The single piston effect is the the standard design for. 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. Trunion mounted ball valve valve engineering engtips. Dpe seat design allows for both seats to seal with pressure acting from the same side of the valve. Api 6d trunnion mounted ball valves all dpv trunnion mounted ball valves can be provided with iso 5211 mounting pads for easy adaptation to most makes of actuators or to suit customer specifications. Velan trunnion mounted ball valve design features trunnion mounted ball the ball is fixed and the seat rings are floating, free to move along the valve axis. When fully open, a gate valve has no obstruction in the flow path and so has a. With the spe design the trunnion valve only seals on the upstream side.
Side load generated by the pressure acting on the ball is absorbed by bearings. Valve design according to api6d for pipeline service antistatic and anti blowout stem design seat design with perfect tightness, available either as selfrelieving type or double piston effect type design minimizes friction leading to low operating torque. The ball of trunnion mounted ball valve is made by forging process. Advantages of trunnion ball design is the lower operating torque, ease of operation, minimized seat wear. Ball valve learn about floating and trunnion mounted ball. 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. Design dafram trunnion mounted ball valves design, manufacturing and materials comply with the requirements of the 9723ec directive ped, api 6d and asme viii.
Ian sutton, in plant design and operations second edition, 2017. 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. They require manual or power operators in large sizes and at high operating pressures to overcome the operating. The sphere has a hole, or port, through the middle so that when the port is in line with both ends of the valve, flow will occur. Trunnion mounted valve is a solution to the problem of excessive torque required by a floating type valve in highpressure service. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. The valves should always be either fully open or closed. Argus fk76m trunnion mounted ball valves are engineered to deliver longlasting, tight shutoff performance in oil and gas, petrochemical and chemical industry applications. Ball valves are available in both sideentry and topentry configurations, along with fullor reducedbore, in weldedand bolted body constructions. A trunnion mounted valve means that the ball is constrained by bearings and is only allowed to rotate. 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. Scv reserves the right to change any technical design and dimensional data without prior notice. Trunnion mounted ball valve standard design optional design api 6d, api 608, iso 17292 asme viii design and construction asme b16.
An advantage of trunnion ball design over floating ball is the lower operating torque of the ball. The balon trunnion mounted ball valve is equipped with a body bleed fitting that can be used for. Fire safe design blow out proof stem construction anti static design locking device for lever handle operation iso 5211 actuator mounting kitz trunnion mounted ball valves are furnished with an integral actuator mounting pad designed in accordance with iso 5211. Trunnionmounted ball valves to support gaseous and liquid services. The valbart vb2 and vb3 are repairable, bolted body, sideentry, trunnionmounted ball valves featuring a fixed ball and floating seat rings. 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. Trunnion ball valve introduction features introduction a ball valve is a valve with a spherical disc, the part of the valve which controls the flow through it.
There are a few types of ball valves related to the attachment and lateral movement of the ball. Windmill sales representative will contact you within 24 hours. Trunnionmounted control ball valve fcd vbentb006803aq 0514. In the early 1990s, sri started manufacturing their own trunnion mounted and floating ball valves. Standard end flanges shall be furnished in accordance with asme b16. Habonim trunnion mounted ball valves consist of a side entry bolted body design valves according to api 6d. 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. Construction api 6d firesafe design api 6fa and british standard 6755 part 2 style 3piece bolted body, side entry, trunnion mounted available in full bore and reduced bore patterns facetoface api 6d and asme b16. It is open when the balls hole is in line with the flow and closed when it is pivoted 90degrees by the valve handle. Thank you for your interest in our trunnion mounted ball valve products. The tmcbv is available in the widest range of sizes and pressure ratings, thanks to its lower operating torques even at very high pressures. 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. Trunnion mounted ball valves trunnion mounted ball valves design features body construction enflow manufacturers 2 pc.
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. At low pressure the seat sealing action is achieved by the thrust of the springs acting on the seat rings. Please contact scv to confirm all dimensions and data offered in this catalog. Design and inspection standards of kitz flanged ball valves. Side entry forged steel trunnion mounted type be series. Similarly, trunnion mounted ball design is also capable of bidirectional sealing.
The tmcbv leverages technology from the leaders of trunnionmounted ball valves and control valves for severe service applications. The ast side entry ball valve body is made of three forged parts. It features a modular design that allows simplified adaptation to diverse safety, emissions and performance requirements. A trunnion mounted valve means that the ball is con strained by. 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. The bearings act on the trunions which may integral to the ball, or may be separate depending on the valve design. This type of ball valve is known as cavity filler ball valve. 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. Sri profile 2 founded in marseille, france in 1978, sud robinetterie industrie, sri group, started out as a trading company servicing french oil and gas companies and becoming an expert in securing shutdowns in local refineries. Based on a great modularity, sri can build for you a sideentry ball valve with special options, as connection ends, special bore diameter, etc.
A trunnion mounted valve means that the ball is constrained by bearings and is only allowed to rotate, the. The sideentry ball valve is the most common and popular design. The ball valve is trunnion mounted and is intended to function as a fully open or fully closed device. Class 150300600 flanged trunnion ball valve series 2063 economical trunnion valve for industrial or pipeline service. The ball is supported by two floating or springloaded seats. Floating ball valve trunnion mounted ball valve standard design. Specifying isv three piece trunnion ball valves example. A ball valve is a form of quarterturn valve which uses a hollow, perforated and pivoting ball to control flow through it.
Trunnion mounted ball valves trunnion mounted ball valves general single piston eect spe a trunnion valve seat design that allows automatic relief to the pipe line from excessive pressure built up inside the body cavity. The valbart vb2 and vb3 are repairable, bolted body, sideentry, trunnion mounted ball valves featuring a fixed ball and floating seat rings. Ball valves use a metal ball with a hole bored through the center, sandwiched between two seats to control flow. Trunnion mounted ball valve complete solutions for industrial valves. Rhea, in pipe drafting and design third edition, 2012.
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