Trunnion ball valves are mainly used in the industries of natural gas,oil products,chemicals,metallurgy,urban construction,environmental protection,pharmaceuticals,foodstuff and. Metals valve provides cast steel trunnion mounted ball valves in a wide variety of cast materials covering carbon steel, alloy steel, and stainless steel. Trunion mounted ball valves are uses a spring mechanism andor line pressure assistance to drive the upstream seat against the stationary ball. Cb5 trunnion mounted ball valves robert cort valves duration. Trunnion mounted ball valveadvantages over floating ball valve. Balon corporation manufacturer of floating ball valves, trunnion ball valves, swing check valves and needle valves for the oil and gas industry. The trunnion ball valve is a form of quarterturn valve which uses a hollow, perforated and fixedsupported. Dafram top entry ball valves, trunnion ball valves, floating ball valves, cryogenic ball valves, actuated ball valves, hipps valves, dbb valves, welded valves.
Animation showing the principals of operation and assembly of a ball valve. An advantage of trunnion ball design over floating ball is the lower operating torque of the ball. The basic design specifications are manufactured in. It features a modular design that allows simplified adaptation to diverse safety, emissions and performance requirements. Fbv trunnion ball valves are offered in 2 pc side entry, 3 pc side entry, welded body and top entry design in a wide range of carbon and stainless steel material. During assembly operations check that the marks for the body and closure coincide. Integral actuator mounting pads soft seat nominal size nps 2 3 4 6 8 10 12 14 16 18 20 24 dn 50 80 100 150 200 250 300 350 400 450 500 600. At the design stage, all projects are analysed using 3d solid modelling tools.
Obviously this difference becomes important when the pressure class and valve. Flow lines extensive automation capabilities are due to the fact that we developed our actuator and accessories from the ground up. Api 6a valves floating ball valves trunnion mounted ball valves. Trunnion mounted valve is a solution to the problem of excessive torque required by a floating type valve in highpressure service. A short shaft like an extension that called trunnion set in the body.
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. 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 fk76m ball valve is available in standard and severe service designs and. The vw1 is a api 6dcompliant, weldedbody valve that seals off both seats at the same time and allows bleeding of the entrapped. Trunnion, multiport, segmented, severe service bray. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. If process uptime and valve performance are important to you, then look no further for all your valve needs. Appearance the floating ball valve and the trunnion ball valve are easy to distinguish in appearance. A trunnion mounted valve means that the ball is constrained by bearings and is only allowed to rotate. Ball valves selection guide engineering360 globalspec.
The trunnion ball valve is a form of quarterturn valve which uses a hollow. The single piston effect is the the standard design for trunnion mounted ball valves. Our precision machined innovative design has been tested to the highest standards and may be used in virtually any application with confidence. When force created by cavity pressure pc is lower thanforce created by line pressure pl, i. Advanced software ansys, fesafe, cfdesign, siemens plm and nx is. A ball valve is a form of quarterturn valve which uses a hollow, perforated and pivoting ball to. In this design steam and ball work as a single unit. The key difference beteween a floating ball valve and a trunnion mounted ball valve is how each achieves a line seal. This feature facilitates the installation of actuators to the valves. Balon manufactures valves for a huge variety of applications in the oil and gas industry. The sesto trunnion multiport valve is sil 2 certified, fire tested, fe tested, and built to last. Argus fk76m trunnion mounted ball valves are engineered to deliver longlasting, tight shutoff performance in oil and gas, petrochemical and chemical industry applications. Sales representatives are immediately available for inquiries, quotes, support and questions.
A105nwcb, lf2lcc, f1, f5, f9, f11, f22, f44, f51, f53, f55, 304l, cf8m, cf3m, 316l, 321, 347, monel, inconel, hastelloy. The ball is supported by two floating or springloaded seats. Our floating ball valves are available in an extensive range of designs, materials, sizes and. The actuation mounting surface can either be installed at the factory or can be installed while the valve is in service. Ball valves are manufactured in different body arrangements. Welco valve company provides trunnion ball valve with two or three pieces structure, is an international standard ball valve structure.
A typical cast steel trunnion mounted ball valve, worm gear operated, rf flanged ends, 2 piece split body, full port, 6. Series 65 flanged trunnion ball valve, ansi 600 sizes 212 fl 650600 technical drawing the series 65 can be fully automated throughout its size range, by either pneumatic or electric actuators. Trunnion valves the trunnion ball valve design has a pin securing the ball so it doesnt. Fbv trunnion ball valves are manufactured according to api 6d design and fire safe tested per api 6fa and api 607 standard. Carbon steel stainless steel alloy steel special monel inconel hastelly etc. Ball valve learn about floating and trunnion mounted. 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 package. Check the video below for an animation of this type of valve. Ball valve operation and assembly animation by r burke youtube.
Ball valve learn about floating and trunnion mounted ball valves. 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. Standard end flanges shall be furnished in accordance with asme b16. 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. Ansi class 150 285 psi wp 10 through 12 bolted body construction. Pd1 trunnion ball valve table of index page introduction, features 34 scope of products, split body 5 scope of products, welded body 6 overview, 2piece split body 7 overview, 3piece split body 8 overview, welded body 9 dimensions and weights, class 150 pn 20 1011 dimensions and weights, class 300 pn 50 12 dimensions and weights, class 600 pn 100 1415. The bearings act on the trunnions which may integral to the ball, or may be separate depending on the valve design. Our experienced team of engineers can design and build the right valve for your exact requirements.
Lever gear motorpneumatic actuators optional features. 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. Trunnion mounted ball valve complete solutions for industrial valves. Trunnion ball valves83 series and h83 series 1 83 h83 series ball trunnion ball valves 83 series and h83 series working pressures up to 10 000 psig 689 bar 18 to 12 in. Balon trunnion ball valves balon offers a rugged four or eight bolt mounting surface for balon trunnion ball valves. They are more compact, lighter in weight, and much less expensive than comparably sized globe valves and segmented control valves.
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