Metaltometal seal sealing at gatetoseat is metaltometal. Model 550 gate valve the model 550 gate valves provides the versatility and interchangeability necessary for a wide range of. Discounted backflow parts including ball valves, gate valves, test kits, and brass fittings. A valve feather under spring pressure is seated in the valve body and exposed to system pressure. Disc is machined to the tightest tolerances to ensure trouble free shutoff and. Wom is a multinational manufacturer of pressure and flow control equipment with worldwide headquarters in houston, texas, and manufacturing, sales and service facilities strategically located throughout the world. Wom general catalog 2015 worldwide oilfield machine.
High pressure gate valve assembly animation youtube. The slab gate eliminates the chance of trapping pressure within the body cavity which can cause pressure locking. 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. Wom one of the leading manufacturers of gate valves product, offers wide range of gate valves products including torque reducer gate valve, magnum gate valve and many more. Figure 196a shows a wom worldwide oilfield machine, inc. A gate valve opens by lifting a gate out of the path of the fluid. A gate valve is generally used to completely shut off fluid flow or, in the fully open position. Use a penetrating spray like the wd40 specialist rust. Split trunnion design eliminates body penetrations. Wom is the maker of the worlds only dualseal ball valve to the pipeline, petrochemical and process industries.
This fullbore, throughconduit gate valve is available in the standard flanged ends, butt weld ends and in block body configurations. The model fc gate valve is a field proven valve which provides reliability and interchangeability. Once the valves are assembled, they go through final inspection in our quality deaprtment to ensure that each. No special tools are needed to change gate and seat assembly. Gate valves standard configurations basic cryogenic bellow seal gate valve description gate valves are primarily designed for onoff services when a straightline flow of fluid and minimum restriction is desired. Proven technology for individual valve solutions worldwide 5. Please store this manual in an easily accessible location. Model 550 gate valves are also available in forged stainless steel. The distinct feature of a gate valve is that the sealing surfaces between the gate and seats are planar, so gate valves are often used when a straightline flow of fluid and minimum restriction is desired. Ali free terms and conditions worldwide oilfield machine inc. Wom magnum gate valve brochure free download as pdf file. Wom warrants its equipment andor service to be free from defects in. Gate valves for cameron style fc gate valve drilling.
End connections for each gate valve, globe valve, and check valve include. The principle is simply a knife or gate which is dropped in front of the flow. Gate valves require periodic maintenance to inject a lubricant into the valve cavity. Working with the oem gives you confidence because we design and manufacture all elements of the valve systemfrom. Wom magnum gate valve brochure valve bearing mechanical.
Each valve is inspected and tested in accordance with api 598, and marked per mss sp25. The hydraulic actuator is designed with a failsafe model and spring returns with the rov. Api 6a choke valve camtech manufacture both positive and adjustable choke valves in pressure rating up to 10,000 psi working pressure. Model 500 in 3,000 and 10,000 psi pressure ratings have a pressureenergized bonnet gasket. Fully open the valve before installing or shipping. Product performance improved part quality by the use of tensionfree injection molding technology no divided melt flow in the hot runner system no visible melt junction in the plastic parts fast color change calculable pressure decrease.
I also lose a 114 inch union along with the gate valve if i cant repair it. The gate and seat can be reversed for increased service life. Kennedy valve believes the solution is a metalseated gate valve in wastewater applications. The wom dualseal ball valve is an exclusive design that offers a cost effective alternative that can outperform a through conduit gate valve in pipeline applications. This catalog is an overview of the wom product line, while more details on each product. Complete vertical integration, combined with a wellmanaged supply chain, ensures that customers receive orders according to their schedule. Bfe reserves the right to change designs, dimensions or specifications w. Figure 196b shows a wom subsea gate valve with only an rov bucket. Class 200 wog stainless steel gate valve vgt102 threaded.
Each type of valve has been designed to meet specific needs. Stem seal consists of flexible graphite packing with anti. Woms magnum line pressure operated surface safety gate valve. Mechanical science module 4 valves a free resource for. Hva valves are adjusted at the factory for horizon tal actuation. A casting should be smooth and free from scale, lumps, cracks, blisters, sand holes, and. Wom s magnum gate valve provides sealing reliability that is unmatched in the industry.
Valve gatesystem freeflow singlevalvegate drive type 64. To select the correct valve to fulfill these functions properly, an outline of the different types of valves and their features is given below. The purpose of the lubricant is to occupy the empty space in the valve cavity, displacing aggressive fluids and contaminants and acting as a barrier to prevent further ingress. Gate valve is usually for working condition in which the valve is not opened or closed frequently, and supports flashboard fully open or.
Optimal for automated operation with a low operating torque and 90 degrees operating angle. Fv forged steel gate valves conform to api 602, bs5352 and asme b 16. The wkm powrseal gate valve is a premium through conduit expanding gate valve. Butterfly valve butterfly valve and globe valve butterfly valve and ball valve butterfly valve and gate valve check valve gate valve globe valve ball valve valve shaped like a. Gate valve description gate valves are primarily designed for onoff services when a straightline flow of fluid and minimum restriction is desired. Backflow parts usa is a master parts distributor and we carry backflow parts and backflow devices for watts, febco, wilkins, ames, and conbraco. Join 5,070,000 engineers with over 3,040,000 free cad files join the community. Grease fittings the valve body may be lubricated through the grease fitting provided in the valve bonnet.
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. Oct 11, 2012 the split gate valve 10 includes a gate 20 e. Some valves are capable of throttling flow, other valve types can only stop flow, others work. An inline check valve is provided behind the grease fitting to ensure a unidirectional flow. Proven technology for individual valve solutions worldwide.
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. Gate valve is usually divided into several types by seal part mode, such as. The operating cycles of high pressure manual gate valve is a tough task in extreme. Oil field valve manufactures manual gate valve in the following sizes. Each choke can be interchanged and configured in to positive choke, adjustable choke, and actuated choke. Z941h, z941y hand operated driving nps class in 212 300 216 241 283 305 381 403 419 457 502 762 838 914 1143 1245. 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. Check valve gate valve globe valve ball valve valve shaped like a butterfly.
Model 500 in 3,000 and 10,000 psi pressure ratings. Gate valve, gate valve maintanence, seals and lubricants. Gate valves also known as knife valves or slide valves are linear motion valves in which a flat closure element slides into the flow stream to provide shutoff. The fc valve has bidirectional sealing and a nonrising stem making it ideally suited for drilling manifolds, xmas trees, and severe service.
Remove the flange covers and wipe the flanges with a lintfree, dry wipe. Call 18883966202 today, our friendly and professional staff is standing by to help you find the right parts. Flexible twindisc sealing, and minimum optroleum refineries, power. Woms magnum subsea actuator design magnum mud gate valve. 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. Installation it is preferable to install the valve with vacuum on the backside of the gate so the valve body remains under vacuum at all times and the pumpdown of the valve body is eliminated. 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. The model wv200 gate valve is a cost efficient gate valve that pro vides reliable sealing solutions for end users who do not need the upstream sealing capability offered by wom s magnum gate valve. Examples of the common types are the globe valve, gate valve, ball valve, plug valve, butterfly valve, diaphragm valve, check valve, pinch valve, and safety valve. When valve is in backseat position, pressure is contained within the valve cavity and cannot ingress into bonnet or stem packing area. Bolted bonnet, pressure seal and cryogenic designs are available.
Gate valve should never be used to throttle line fluid. Never put hands or any other object in the gate valveserious. Bidirectional sealing the gateandseat assembly seals in both directions by downsteam sealing. Either way, i cant really return the part since its been pvc welded into place, nor do i want to go through all of that trouble. Flexible twindisc sealing, and minimum optroleum refineries, power power plants,and industrial service. Follow the recommended preventive maintenance and lubrication procedures to achieve good performance and life. Knifegate valves often just called gate valves, these are used as isolation valves. All buyouts like fittings, elastomers such as orings, stem packing are supplied by wom houston, headquarters. The patented design has been proven in hundreds of well control applications during drilling, testing, production, in onshore, offshore and subsea. Jul 15, 2015 this fullbore, throughconduit gate valve is available in the standard flanged ends, butt weld ends and in block body configurations.
The assembly and testing of the valves is performed in a controlled area free from contamination. Metaltometal seal sealing at gate toseat is metaltometal. The seats are press fit into the body to affect a metaltometal bodyseat seal. The valve should be shell tested with gate in half open position. A gate valve, also known as a sluice valve, is a valve that opens by lifting a barrier gate out of the path of the fluid. Gate valve maintenance and adjustment procedure valve maintenance manual 3 i.
Lower torque required superior finish on gate and seats. The gate faces can be parallel but are most commonly wedgeshaped in order to be able to apply pressure on the sealing surface. A valve is a device for isolating or regulating the flowrate of gases, liquids and slurries through pipework and launder systems. The parallel expanding gate design provides a tight mechanical seal which is normally unaffected by pressure variations. Api 6a slab gate valves are normally preferred with insidescrew. The sealing area of the gates, in the full open position. Gate valves require very little space along the pipe axis and hardly restrict the flow of fluid when the gate is fully opened. Api 598 200 psi working pressure at 350f 316 stainless eel screwed bonnet solid wedge disc sing stem. Cameron is the leader in flow and pressure control technology. The assembly and testing conforms to written assembly and testing procedures, which are.
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