A revised b16 proposal was voted favorably in june 1938, was approved by asa, and was published in 1939. The material in this catalog is for general information. Installation, operation and maintenance manual valve repair. Dimensions on sales drawings should be used for that purpose refer to the valmatic engineering catalog. Installation, operation and maintenance manual for power ball valves rev. When the system pressure overcomes the spring pressure the valve feather will move in the seat creating an exit to. Velan valves ltd leicester, england installation, servicing and maintenance instructions contents page 5 5 5 6 6 7 7 3. Founded in 1950, velan earned a reputation for excellence as a major supplier of forged valves for nuclear power plants and the u. Trunnion ball valve, topentry, double block and bleed with self. Dezurik pec eccentric plug valves 472 1001800mm dezurik pef eccentric plug valves 336 75900mm dezurik ptw threeway plug valves 316 80400mm.
Remove cover bolts and cover to gain access to the internals, and remove strainer and gasket. The protected seatface design of double expanding and slab gate. Because of their diversity of construction materials, trim offerings, and design combinations, gate valves are appropriate for a wide variety of applications. Gate valve description gate valves are primarily designed for onoff services when a straightline flow of fluid and minimum restriction is desired. When the system pressure overcomes the spring pressure the valve feather will move in the seat creating an exit to atmosphere allowing the system gas or liquid to escape.
Use ns for special nace trim and specify details on order. This kingston kmbvm series mini ball valve is made of chromeplated brass for higher corrosion resistance than regular brass or steel, and has a lever handle for onoff manual control, and full port flow for higher operating efficiency than standard port. Cycle the valve several times minimum 3 times to ensure smooth operation and retorque bolts as required. Velans comprehensive line of cast steel gate globe and check valves features leading edge design, engineering and manufacturing technology. At 700 valve supply, we maintain an extensive inventory of globe, gate, and check valves to serve the oil and gas energy sector. O velan metalseated ball valves can be equipped with a variety of manual gear, electric motor, and hydraulic or pneumatic actuators. Many times the cycle life of a standard knife gate valve.
If the valve has a position indicator, check the calibration and tune to your systems sensitivity as required. The closure member of gate valves either stops or allows flow through the valve and acts somewhat like the opening or closing of a gate and is called, appropriately, the gate valve. These images should therefore not be used for determining valve clearances. Valve types include gate, globe and check with ratings of 150 lbs. Gate valves gear operated bare stem for actuation 2 piece bonnet design 4 pdf machine is a pdf writer that produces quality pdf files with ease. Dec 31, 2018 velan ball valve catalogue pdf velan is one of the worlds leading manufacturers of industrial steel valves, supplying gate, globe, check, ball, butterfly and knife gate valves for dec 31, 2018 by admin in love. For nps 28 dn 50200 velan knife gate valves feature high precision investment cast.
Features and benefits velan s vtp2000 3piece ball valve is a high performance ball valve, ideal. From hightemperature coking units to food and pharmaceutical services, gate valves can be trusted to reliably perform. Cast stainless steel valves gate, globe, and check velan. Nace service valves are supplied with bolting with maximum hardness of rc. Cast carbon, stainless steel globe valves to api 600, bolted bonnet stellite hardfaced seat. Velan abv actuators have their own trademark, moss. Gate valve dimensions size asme class 150 asme class 300 asme class 600 asme class 900 asme class 1500 nps dn a b 1 c 1 d e a b 1 c 1 d e a b 1 c 1 d e a b 1 c 1 d e a b 1 c 1 d e bw flg 2 8. Bolted bonnet flexible wedge stellite hardfaced seats. Sealing face of the gate is lapped to provide the best possible seat tightness. Note velan valves for nace service as indicated by figure. Features and benefits nonrotating stem with precision acme. Powell valves api 600 pressure seal gate valve can be manufactured in cast carbon, stainless, or alloy steel materials in customizable sizes. Seat face stellited, ground and lapped to a mirror finish.
All velan catalogs and technical brochures catalogs directindustry. The images are not to scale but are drawn to represent the proportions of a valve in the middle of the size range. F 4600 gate velan f 4150rpball valve velan f 2300 gate velan f 2150 gate. Note velan valves for nace service as indicated by figure number and or. Velan is one of the worlds leading manufacturers of industrial valves, supplying forged and cast steel gate, globe, check, ball and knife gate valves for critical applications in the chemical, petrochemical, oil and gas, fossil and nuclear power, cogeneration, pulp and paper and cryogenic industries. Standard manual handwheels on valves 12 and smaller with 14and larger bevel gear operated. Velan is a world leader in the design and production of a wide range of cast and forged steel gate, globe, check, ball, tripleoffset butterfly, knife gate, highly engineered severe service valves, and steam traps offering superior performance across all major industrial applications. Pressure seal valves 5 parallel disc gate valve features actuators valves can be supplied with any type of electric, hydraulic or pneumatic actuator.
Features and benefits velans vtp2000 3piece ball valve is a high performance ball valve, ideal. From the most common application to the most severe, velan has a. Work began on a revision in 1953 to include buttwelding end valves, plug valves, and control valves in both cast iron and steel. From the most common application to the most severe, velan has a solution. Velan abvs moss actuators have a scotch yoke modulartype. Cast carbon, stainless steel gate valves to api 600. Api 600 cast steel gate valve quick sheet qs qs velan. Gate valves are normally installed in horizontal pipe runs with the valve stem vertically up.
Velan abv manufactures actuators as part of our valve control system packages, which are specifically designed to operate quarterturn valves i. Velan cryogenic gate, globe, check, ball and butterfly valves. One of the worlds largest suppliers of industrial valves. Velan s comprehensive line of cast steel gate globe and check valves features leading edge design, engineering and manufacturing technology. Velan ball valve catalogue pdf velan is one of the worlds leading manufacturers of industrial steel valves, supplying gate, globe, check, ball, butterfly and knife gate valves for dec 31, 2018 by admin in love.
Market segment commercial valves industrial valves severe ball valves. For specific performance data and proper material selection, consult your velan representative. Unscrew valve seat and remove valve assembly and seat. Our valves meet the most stringent national and international standards for fugitive emissions. Carbon steel gate valve asme class 600, used for boiler feed water installation at a hydrogen plant in texas. Velan is regarded as one of the worlds leading manufacturers of steel gate, globe and check valves, with more than 10 manufacturing plants worldwide. Shown below is the hardfacing of a gate valve wedge and to the right a cast steel seat. Standard gate or globe 0for liveloading, double packing and leakoff packed 2for liveloading only valves 3for double packing and leakoff only e. I can use acrobat distiller or the acrobat pdfwriter but i consider your product a lot easier to use and much preferable to adobes a. A valve feather under spring pressure is seated in the valve body and exposed to system pressure. Bonney forges forged steel valve range includes carbon steel, alloys, stainless steel, and exotic alloys.
Velan has sales offices and distributors located worldwide. Loosen pivot pins located in the body until clear of pivot arms and remove bimetalfloat assembly. Velan offers one of the most comprehensive valve product lines available from any manufacturer. There are also bellows sealed valves, cryogenic valves for temperatures to 321f 196c and valves with extended bodies. Velan valves can be equipped with a variety of manual gear, electric motor, hydraulic. Cast steel gate, globe, check, and ball valves forged steel gate, globe, check, and ball valves tripleoffset butterfly. Click text area to view or download right click catalog data. Cast steel gate, globe and check valves with industryleading emissions, shutoff and repairability performance. Lug nps 6 dn 150 class 150 metalseated cast stainless steel knife gate valve. Swing check valves cast steel gate, globe and check valves with industryleading emissions, shutoff and repairability performance.
Products cast steel bolted bonnet valves gate valves. Gate valves desingneway cast steel wedge gate valve have been designed to meet the requirement bo british standard bs1414,american petroleum institute standard api600 and generally conform to american national standard ansi b16. They can also be installed in vertical or horizontal pipe runs with the valve stem other than vertical, but special construction may be required depending on valve size, service. We produce gate, globe, check, ball, butterfly, knife gate, and engineered severe service valves and steam traps in sizes up to nps 64 dn 1600 and for services up to asme. Manual override to fully open the valve for pigging operations. Generally, all pressure must be relieved from both sides of the valve before the actuator is removed.
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