Installation upside down is not recommended because of possible dirt buildup in the bonnet. Products cast steel bolted bonnet valves swing check. Datasheets for water valves water valves are designed to handle and control hot water, cold water, ground water, potable water, salt water andor wastewater. Kitz has renewed api 6d iso 143 soft and metal seated trunnion mounted ball valves. Click email this document to add or remove documents from the email documents cart. 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. 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. Base material is either the same as body or solid trim at manufacturers option. The end user could not justify the high pressure drop across the butterfly valve with his efforts to increase liquid yield. Click email these documents within the cart to complete your order. A comprehensive range of small forged gate, globe, check, angle and bellows seal valves with unique design features. Velan abvs moss actuators have a scotch yoke modulartype.
One of the most comprehensive valve product lines available from any manufacturer. Today velan s comprehensive range of api 602 gate, globe, check, angle, and bellows seal valves remain the leading choice for high performance in virtually any industrial application. Buttweld 80 250 mm 30 stop check valve 300 flanged 3 10 33 30. Velan offers one of the most comprehensive valve product lines available from any manufacturer. Since crane valves are used in a variety of applications, the following descriptions may provide a basic guideline in the selection of steel valves. Knifegate valves should never be used in a restrictive role ie half open as the base of the knifegate will wear rapidly and not seal properly when closed. Velan abv manufactures actuators as part of our valve control system packages, which are specifically designed to operate quarterturn valves i. Gate valve description gate valves are primarily designed for onoff services when a straightline flow of fluid and minimum restriction is desired. Valves should be stored in a suitably sheltered environment to prevent contamination by weather, dirt, or dampness. Milwaukeehammond valve reserves the right to change design andor materials without notice.
Although rigid metallurgical, nondestructive examination, physical and visual inspection is standard procedure for edward valves products, it is inevitable that some valves, after a period of time, will require repairs. Attachment to the right hand side of the main valve. A valve is a device for isolating or regulating the flowrate of gases, liquids and slurries through pipework and launder systems. Dezurik pec eccentric plug valves 472 1001800mm dezurik pef eccentric plug valves 336 75900mm dezurik ptw threeway plug valves 316 80400mm. Carbon steel gate valve, asme class 600 used for boiler feed water installation at a hydrogen plant in texas. Velan has sales offices and distributors located worldwide. 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 class 4500. Products cast steel bolted bonnet valves globe valves. The information presented on this sheet is correct at time of publication.
Cast carbon, stainless steel gate valves to api 600. Valve type 05 conventional port gate 07 stop globe 09 needle 06 full port gate 08 stop check 11 swing check d c b a g trim material. Installation, operation and maintenance manual valve repair. Velan cast steel api 600 gate valves ks distribution. The images are not to scale but are drawn to represent the proportions of a valve in the middle of the size range. The valve opens by lifting a round or rectangular gate wedge out of the path of the fluid. Caststainless steel instruction manual powell valve. Gate valves globe valves swing check valves tilting disc check valves gate valves serve as efficient stop valves with flow in either direction. At 700 valve supply, we maintain an extensive inventory of globe, gate, and check valves to serve the oil and gas energy sector.
Velan is one of the worlds leading manufacturers of industrial steel valves, supplying gate, globe, check, ball, butterfly and knife gate valves for critical applications in the chemical, petrochemical, oil and gas, fossil and nuclear power, cogeneration, pulp and paper and. The valve may be installed in other orientations, but any deviation from vertical is a compromise. The preferred orientation of a gate valve is upright. This patented velan ring valve was installed to replace an existing butterfly valve. Velan cast stainless steel gate valves api 603 integral seat, 1540 mm flanged, asme classes 150. For specific performance data and proper material selection, consult your velan representative. The material in this catalog is for general information. Velan valve 310c 316l stainless steel 1way flow outside stem and yoke knife gate valve.
Products api 602 small forged valves bellows seal gate. Velan has been a leader in bellows seal valves since pioneering the technology in the 1950s. These images should therefore not be used for determining valve clearances. Velan s four north american plants are certified to is0 9001 and five plants have asme n type certificates of authorization. Velan is one of the worlds leading manufacturers of industrial valves, supplying forged and cast steel gate, globe, check, ball, butterfly, knife. For actuators, please refer to the applicable manufacturers instructions for storage.
The valve is shipped with end protectors on the inlet and outlet, which should stay on the valve until it is ready for installation. Equiwedge gate valves, all of which feature the pressure seal bonnet joint construction. Buttweld 80 250 mm 33 gate valve 300 flanged 2 24 11 33. High performance knife gate valves maintenance manual bolted bonnet and bonnetless, 236 50900 mm bolted bonnet tappi metal or resilient seated bolted bonnet, electric, air or hydraulic actuated bonnetless, throughbolted. Forged gate valve standard port welded bonnet extended. Italy, brings together velan s valve engineering and manufacturing leadership with roberto bartolenas extensive experience in the. Nace service valves are supplied with bolting with maximum hardness of rc. Gate valves should be installed and welded into the pipeline with the wedge or disc in the fully closed position. Velan gear actuators wolseley industrial pipe, valves. Standard and bolted bonnet all stainless steel knife gate valves for low emissions.
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. Dimensions on sales drawings should be used for that purpose refer to the valmatic engineering catalog. The end user required the use of this valve only when shorter cycle times required quicker drum backwarming. Velan is regarded as one of the worlds leading manufacturers of steel gate, globe and check valves, with more than 10 manufacturing plants worldwide. Carbon steel gate valve asme class 600, used for boiler feed water installation at a. Globe and stop check valves require higher closing torques than gate valves with the same seat diameter and pressure class. A velan bolted bonnet gate valve in a pht transfer system in a candu nuclear reactor. Velan abv actuators have their own trademark, moss. Mrc global maintains large inventories of gate valves and globe valves in materials such as carbon steel, stainless steel and special alloys to serve the needs of the refining, petrochemical, chemical and. Asme class 800 standard materials precision high quality investment castings gate valves with unique flexible wedge flanged figure numbers.
Perhaps your browser cannot display it, or maybe it did not initialize correctly. Valves can operate with smaller actuators than standard knife gate valves. Bw butt weld fl flanged b centertotop, open c dismantling height asme classes 9002500 forged gate valves also available. However, when ordered, bottom attachment can be provided with the stem of the bypass at a right angle to the main valve stem. For specific performance data and proper material selection. All cast stainless steel design please note this is a condensed catalog. Products cast steel bolted bonnet valves gate valves. Coker valves velan knife gate valves newcon trueline velan bellows seal valves omb swi velan high pressure cast valves dsi kitz neway newco pk paci. To see availability for this product, create an account. Class 300 and 600 valves consist of a circular spiral wound gasket. From the most common application to the most severe, velan has a solution. Velan cast steel valves gate valves in service for a boiler feed installation. Robust onepiece construction to withstand the severe shock of check valve service. If the valve is left open or partially open, it could distort and leak during operation.
They are also known as regulators and are used in a wide variety of applications. Gate valve, 150nb flanges drilled to bs en 1092 pn16 cw handwheel. Axial movement of the bellows is limited to a maximum of 2025% of the free length, depending on pressuretemperature and desired life cycle. At powell valves, we maintain a quality management system with strong emphasis on the continual improvement of quality, engineering, manufacturing, and business related processes. Velan company profile velan is one of the worlds leading manufacturers of industrial steel valves, supplying gate, globe, check, ball, butterfly and knife gate valves for critical applications in the chemical, petrochemical, oil and gas, fossil and nuclear power, cogeneration. Today, vogt valves support a worldwide network of distributors with access to the worlds largest capability for manufacturing of forged steel valves.
Depending on the valve service it can be supplied flatface gasket with graphite or ptfe. Velan knife gate valves have a track record of superior performance in pulp and paper, chemicals and petrochemicals, oil and gas, food processing and agriculture, water and waste water, and other process industries. A thin layer of the lubricant is placed on the gate on each and every cycle resulting in smoother gate actuation and increased sleeve life. The principle is simply a knife or gate which is dropped in front of the flow.
Globe valve, gate valve, plug valve from mrc global. Valve lubrication and welding rod recommendations are also included. The isogate ws series slurry valve is available in a range of options to meet your specific needs with. Field repair equipment available from edward valves is described and illustrated. Velan has been fully approved to supply ce marked valves in accordance with the ped european pressure equipment directive. Datasheets for industrial valves valves are mechanical devices that control the flow and pressure of liquids, gases, and slurries within a system. Click email this document to add or remove documents from the email.
Mode of operation the force required to operate a valve can be carried out either manually by hand or mechanically. Fittings are accessible to recharge upper seal while in service. From the most common application to the most severe, velan has a. Both the gate valve and globe valve are commonly used in downstream applications. These procedures should be adequate for almost any equiwedge gate valve repair or maintenance problem that may arise. Mrc global maintains large inventories of gate valves and globe valves in materials such as carbon steel, stainless steel and special alloys to serve the needs of the refining, petrochemical, chemical and process industries. Class 150 gate valves consist of a square joint in 2 and an oval one for all other sizes. Fully guided wedge reduces wear on seating surfaces. They are commonly used where a minimum pressure drop is.
Use ns for special nace trim and specify details on order. Shown below is the hardfacing of a gate valve wedge and to the right a cast steel seat. It is regular practice to attach the bypass to the side of the main valve with the stems of both valves parallel. This will ensure faster service when seeking technical valve assistance from velan. Hardfaced with cr, cocr alloy, ss 316, or monel, ground and lapped. For our installation, operation and maintenance manual and the most current product information go to. Millions of users download 3d and 2d cad files everyday. Also, leaving the valve in a fully closed position helps prevent weld spatter from falling directly onto the mating faces of the seats. Gate valves are used to permit or prevent the flow of fluids and are typically for onoff control rather than flow regulation. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Vw cover story reprintapril outeraw atvelan,weknow whatittakestodesignand manufactureindustryleadingvalves thatstandthetestoftime. Velan forged steel gate, globe and check valves have been proven in critical service applications for over 50 years. Bolted bonnet flexible wedge stellite hardfaced seats.
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