The extensive range includes softseated designs that provide excellent leakresistance. Twopiece trunnion mounted ball valves exploded view. We offer a full range of materials in carbon, alloy and stainless steel from general to severe in application. Gwc italia spa with its headquarters in milan, italy designs, manufacturers and markets valves with one the most extensive lines you will. Gwc produces a full line of api6d trunnion mounted ball valves in both twothree piece forged. As global valve suppliers, ball valve manufacturers, and butterfly valve manufacturers, we provide commercial valves around the world. Our valves are utilized in virtually all industries including power, chemical, petrochemical, oil and gas, pulp and paper. Gwc produces a full line of api6d trunnion mounted ball twopiece cast design.
Proven technology for individual valve solutions worldwide. Trunnion ball valves 83 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. In a full range of materials in carbon, alloy and stainless steel from general to severe in application, including sub sea. Forged trunnion mounted ball valve bolted body gwc valve. Trunnion mounted ball valves microfinish valves, inc. Gwc valve international trunnion mounted ball valve valve cargo. Trunnion mounted double block and bleed antiblow out stem antistatic device firesafe to api6076fa spring loaded seats sealant injection nace mr0175 forged body trunnion mounted ball valves gwc products gwc produces a full line of api6d trunnion mounted ball valves in both threepiece forged and twopiece cast design. Fbv trunnion ball valves are manufactured according to api 6d design and fire safe tested per api 6fa and.
Api license api 6d, api 6dss, api 6apsl4 valve type ball valves floating. 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. If youre searching for robust valve solutions, check out our vast variety of highquality valves which includes flanged floating ball valves, shutoff pig valves, and api6a gate valves. A short shaft like an extension that called trunnion set in the body.
Gwc italia proven tecnology for individual valve solutions worldwide. Gwc valve international trunnion mounted ball valve free download as pdf file. Emergency stem sealant injection feature is standard on valves 4 and above. We offer a full range of materials in carbon, alloy and stainless steel trim.
The difference between these areas times the line pressure is the sealing force. Line pressure against seat area a1 see illustration is not equalized by pressure against seat. Tiger valve company is a leading trunnion mounted ball valve manufacturer and provider of engineered products for diversified industries. This safety feature eliminates the buildup of pressure due to high pressure media trapped in the valve s body cavity, even while the valve is.
The factory in rivanazzano terme, where the ball valves, plug valves and butterfly valves are produced, is the groups headquarters. Ball valve learn about floating and trunnion mounted. Trunnion mounted ball valve complete solutions for industrial valves. Gwc produces a full line of api6d trunnion mounted ball valves in both two three piece forged. Trunnion mounted valve is a solution to the problem of excessive torque required by a floating type valve in highpressure service.
Other materials are also available none 150600 a105 bodycap ball, 316ss stem 9001500 a105 bodycap, f60 ball, 316ss stem bl. Gwc produces a full line of api6d trunnion mounted ball valves in both three piece forged and twopiece cast design. Balon trunnion mounted ball valve operation a ball valve is designed to be used in the fully open or fully closed position. Trunnion mounted forged ball valves model ff and gg. Trunnion mounted ball valves api 6d scv valve, llc. Guide valve limited, established in 1981 with its headquarters in canada, specializes in the manufacturing of bolted body trunnion mounted ball valves.
Home about productsgate, globe, checkfloating ball trunnion contact. F304 ss304 l ss316 ss316l ss317 ss321 ss446 monal 400 incoloy 625 incoloy 825 carbon. 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. The ball is supported by two floating or springloaded seats. Gwc produces a full line of api6d trunnion mounted ball valves in both threepiece forged and twopiece cast design. It extends over an area of 53,100 square metres, of which 24,600 square metres are under cover.
Gwc valve international trunnion mounted ball valves slideshare. Api6d ball valves forged body trunnion mounted ball. Fbv ball valves,gate valves,globe valves,check valves. Gwc italia performance, integrity, design gwc italia. Our trunnion mounted ball valves are utilized in some of the most demanding processes in virtually every industry. For over 30 years, warren valve has been focused on servicing the industrial and mechanical markets in north america.
Both play a key safety role in double block and bleed andor double isolation and bleed valve configurations. The trunnion ball valve is a form of quarterturn valve which uses a hollow, perforated and fixedsupported. Gwc produces a full line of api6d trunnion mounted ball valves welded body design. Valve suppliers gwc valve ball valve manufacturers. Valbart trunnion mounted ball valve design features 1 independent ball and stem the ball and stem are independent to minimize the effect of the side thrust generated by the pressure acting on the ball. The upper seal can be replaced with the valve in line and under pressure. We offer a full range of materials in carbon, alloy and stainless steel from general to severe in application, including sub sea. Gwc valve international trunnion mounted ball valve issuu. Lever operation is standard for the size marked, without the prefex g on each kitz fig.
Size, bore, endtoend, body dimensions, trunnion, flg weights. Ball valves can be trunnion mounted to minimize friction for high pressure drops. The gwc forged body trunnion mounted ball valves are designed, constructed and tested according to api6d. Gwc italia spa with its headquarters in milan, italy fully designs, manufactures and markets valves with one of the most extensive trunnion mounted ball valve lines.
In this design steam and ball work as a single unit. Top 52 piping supervisor interview questions and answers pdf. The full range of gwc trunnion ball valves are supplied standard in full compliance with nace mr0175. Gwc ball valves have been developed for oil and gas pipelines, and process industry use according to api6d standards. Ball position for valves normally mounted with lever, the ball open and closed positions are assured by corresponding stops on the bearing housing. On gear operated valves, the position indicator is located on the top of the gear box. Abc manufacturer of floating ball valves, trunnion ball. Industrial valves measurement, test and qualification procedures for fugitive emissions api 6fa. For valves with gear or actuators the stops are set at the factory as primary stops. A trunnion is a style of mounting the ball on the valve shaft or stub shaft with two. The lever position parallel to the line flow means the valve is open.
Gwc valve international produces a full line of api6d trunnion mounted ball valves in both threepiece forged and twopiece cast design. 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. We offer a full range of materials in carbon, alloy and. All trunnion ball valves utilize the differential between the sealing diameter of the seat insert ball contact and the outer diameter of the seat. Kitz code class body material carbon steel 150 300 600 900 1500 150 300 600 900 1500 stainless steel bore. Brand named gvs, our products are based on the most advanced technologies and are used in all sectors. The valve retains many of the timetested features of the cseries, such as an actuator mounting pad, but with a trunnion design. Kf valves kf series p3m3 trunnion mounted ball valves a large trunnion design ensures central positioning under the highest working pressure.
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