The wafer style butterfly valve is designed to maintain a seal against bidirectional pressure differential to prevent any backflow in systems designed for unidirectional flow. While energized, the sealing surface of the seat is constantly pushing against the edge of the disc. Wafer butterfly valves are the more common of the two designs of butterfly valves, the other design being lug style. Any intervention on this product should be carried out when the network is not. Wafer butterfly valve installation, operation and maintenance instructions installation 1 thoroughly clean and prepare the piping system before valve installation. We can supply different body materials such as cast iron, ductile iron, cast steel, stainless steel and bronze according to different working conditions. Butterfly valves control flow through a circular disc or vane by turning the valves pivot axis at right angles to the direction of flow in the pipe. Piping materials butterfly valves butterfly valve type 57. Resilient seated ductile cast iron and cast iron butterfly valve series available in sizes 2 24 and 26 40.
It includes types of butterfly valve, gate valve, check valve, globe valve, ball valve, air vent valve, solenoid valve, pressure reducing valve and others. Wafer butterfly valves have builtin flange gaskets and are designed for installation with user supplied hex bolts, nuts and flat washers. The slim design of a butterfly valve allows for a high cv value. The avk timesaver wafer butterfly valves are designed to be installed into flanged piping systems whether hdpe or not.
As a professional valve manufacturer in china,bundor specialized in butterfly valve,gate valve,resilient seat gate valve,dual plate check valve and y strainer etc. Valve controls the flow of liquids and gases through pipes and tubes. Msv wafer type butterfly valve, cast iron epoxy coated body, 316 stainless steel disc, epdm liner, pn10, trigger lever or gearbox operated, lugged top and bottom. Bf series waferlug butterfly valves milliken valve. Due to our own production line of actuators and automation technology, the valves can always be equipped with the optimal fitting actuator. They offer proven reliability in applications ranging from vacuum to very high pressure.
Install the butterfly valve horizontally so that the lower edge of the disc opens in flow. Rubber seated butterfly valve, sizes 3 through 20 inches general butterfly valves shall be manufactured in accordance with the latest revision of awwa c504, class 150b and conform to ansinsf 61 and ansi nsf 372. A butterfly valve is a valve which can be used for isolating or regulating flow. Wafer sphere high performance butterfly valves are bubbletight, msssp61, which would exceed class vi requirements. High strength butterfly valve disc with hand polished edge and. We are able to offer customized solutions for almost every industrial application. Compared with traditional butterfly valves and many other valve types, wafersphere butterfly valves deliver several unique benefits. Milliken bf series wafer lug butterfly valve, sizes 2 through 48 212 230psi, 1448 150psi general valves shall be of the wafer or lug design for installation between ansi 125150 flanges. A typical flanged butterfly valve is illustrated in fig. The mosites c30 butterfly valve was developed to fill an industry need for a high cycle, fully elastomer lined butterfly valve. Bundor professional butterfly and gate valve supplier.
The valve must be positioned with gasket areas evenly located between mating flange sealing surfaces. This is how an excellent matching of both components is guaranteed, which reduces the. Fire valves description grooved end butterfly valve size. A butterfly valve is a valve used for flow regulation in large pipe diameters in which the disc take. Butterfly valves are offered in wafer and lug types. High pressure ratings jamesbury highperformance butterfly valves are rated at ansi 150, 300 and 600 pressure classes.
Butterfly valve type 57llug style310inch butterfly valve type 57tllug style312inch butterfly valve type 55210inch rotary damper1 1224inch butterfly valve type58. The figure 320 is an economical resilient seated butterfly valve with dimensions according iso standards. Here we are going to talk about the butterfly valve. The series 891 utilizes existing flanges and eliminates the need for valve spacers. Electric actuated butterfly valve wafer style onoff.
Ahead of part stem collar bushing upper bushing stem seal body seal disc liner lower bushing. Torque data torque is the rotary effort required to operate a valve. The manufacturer shall have produced awwa butterfly valves. Figure 320 wafer and figure 322 lugged butterfly valves. The latest engineering related news and articles from. China butterfly valve manufacturer,supplier,exportertjl.
Msc industrial supply is here to support all your metalworking and maintenance repair needs with over 1 million products in stock and ready to ship today. Lug type valve as the name suggests has lugs that are used to mount the valve to lugs that are attached the flanges on then ends of sections of pipe so that each length of pipe can be removed and replaced independently. Butterfly valves types, construction, applications and. Before installing a closed valve in the pipeline, be sure that the handle or actuator is attached so that a counterclockwise rotation, viewed from above, opens the valve see figure 1. Butterfly valve files 3d cad model library grabcad. Saintgobain pams wafer range of ductile iron butterfly valves is assembled using rods and nuts. Installed above ground in order to reduce congestion, this valve is suitable for low pressure systems and all types of fluids. They are usually manufactured in flanged, wafer, and lug, or singleflangetype designs. Stud lengths also assume heavy hex nut heights per ansi b18. If your processes involve chemicals, slurries, water, air or vapors, the c30 can solve your control problems. For shipboard use no ss document qpl2462416 not 1 valves, butterfly, wafer and lug style, shipboard service replaced by the qualified products database qpd see notice for additional information wwv1967 not 1 valve, butterfly threaded ends brass or bronze no ss. Wafer type butterfly valves flange bolt dimensions. The wafersphere butterfly valve must be centered between flanges to avoid discpipe.
The 20and 24 wafer and lug pattern valves have tapped blind. Butterfly valves are used to shut off and control the flow of liquids, gases, and other mixtures of powdered media. Bf series waferlug butterfly valves milliken valves. Butterfly valves are generally favored because they are lower in cost to other valve designs as well as being lighter in weight, meaning less support is required. Butterfly valves in 1951 keystone valves launched a new valve concept. Ductile iron butterfly valves suitable for low pressure systems and all types of fluids. Vzav advantages at a glance the basic model of the balanced butterfly valve for shutoff and control comes in a wide variety of materials, so it can be used in most. Butterfly valve type 571 1214inch butterfly valve type 5616inch butterfly valve type 751824inch butterfly valve type 56d,75d. Valworx electric actuated butterfly valve with wafer body design for onoff control of air, water, oil and other media compatible with the materials of construction. Compared with traditional butterfly valves and many other valve types, wafer sphere butterfly valves deliver several unique benefits. Seat seat when the valve is shut, the disc slightly deflects the seat. The wafer valve is preferred in applications where easy access into the piping system is needed.
Secure shutoff of solids without friction in the seat. Flowseal high performance butterfly valves are available in sizes from 2 48 in asme pressure classes 150, 300, and 600 and are available with a diverse range of actuation options. Find butterfly valves on globalspec by specifications. For valves supplied with amaterial, chainwheel, the. Our broad range of products includes valves, actuators and automation technology. They are normally used as throttling valves to control flow. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. All valves shall be capable of bidirectional, end of line, bubble. Overall length according to iso 5752, en55815 in addition, the dampers can have join the drive to iso 5211.
A caston top flange pad allows for iso mounting of actuation most suited for the size and application. Concentric butterfly valves, wafer, lugged and flanged technimex. Fully close the valve again before installing in the pipeline. Butterfly valves wafer type 1600kpa 16 bar wafer disc available in nickelplated cast iron, bronze and cf8m 316 stainless steel. Electric actuators feature visual and electrical valve position indication, manual override, and weatherproof enclosures. Wafer type butterfly valve macneil steel and valves msv. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray.
Waferconnection butterfly valve gaer pn6 pn10 pn16 dorot. Carbon steel body stainless steel disc and stem iso 5211 actuation mounting. With an isolating valve part of a piping system can be isolated, thus preventing. The c200 is a general purpose valve designed to meet the needs of many different industries including hvac, oil and gas production, agriculture, chemical. Butterfly valves have a perfect seal, the short length of the building, light weight and easy to install. Operation is similar to that of a ball valve, which allows for quick shut off. Jamesbury wafersphere highperformance butterfly valves. Butterfly valves wafer type o 1600kpa 16 bar o wafer disc available in nickelplated cast iron, bronze and o cf8m 316 stainless steel. Garlock does not offer rubber or metal valves, so our main focus will be on plasticlined valves. Shop a large range of 8 inch butterfly valve at msc industrial supply. Lined butterfly valves are available in sizes from 2 dn 50 to 12 dn 300.
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