Type approval certificate braymccannalok s404142434a ccs china classification society. Machined, tapered seat provides multiple sealing edges. A 90 rotation of the handle can completely close or open the valve. The garseal valves are available in wafer and lug type.
Inch dimensions were converted from common to twoplace decimal fractions. Symbols icons for planners, designers and piping engineers. With our range of valves we provide the market with solutions for highly complex tasks as well as for basic functions. A variety of special vacuum valves vent valves, 3 way valves, leak valves, throttling. This standard practice covers two types of butterfly valves.
Figures 59 show the geometry, relative proportions and key features for various types of butterfly valves that were tested. These valves allow partial opening based on required output for fluid flow. Pratt hp series high performance double offset butterfly valves sizes. Designed to reduce installation costs, the insert series check valves easily fit into existing line components which reduces both initial cost and installation time. Normally, they are used in systems where positive shutoff is not required. High performance butterfly valves features and benefits double offset geometry to provide superior sealing with minimal seat contact and wear. Jamesbury valve solutions legendary reliability leads to lower costs when it comes to valves, we know that your most important purchase consideration is reliability.
Less expensive valves for nondemanding, nonabrasive, lower temperature applications. Certain types of check and butterfly valves can undergo shaftdisk separation, and fail cata strophically or blowout, causing toxic andor flammable gas releases, fires, and vapor cloud explosions. The seat is fully adjustable and field replaceable without dismantling the actuator, disc or shaft. Abstract the suction and discharge valves are key parts of every reciprocating compressor. To adequately cover the variations in disc geometries common in nuclear power plant applications, a total of 25 disc shapes were included in the test matrix. Boscl valves are available in lugged or wafer bodies with ductile ironnickel plated or 316 stainless steel discs. Selection is primarily dependent on the service conditions, the task, and the load characteristics of the application. Our valves are economically designed for the application they are intended for. Milliken valve was started over three decades ago manufacturing the eccentric plug valve for the waste water and hvac marketplace.
Details most popular types of valves and how to use them. Valves can be categorized also based on their function. Hygienic valves have been manufactured by gea for over 80 years. Different types of valves with pdf file engineering discoveries. However, instead of a ball mounted in the valve body a circular disc called a butterfly because the two half circles around the vertical shaft appear like wings. Valves for specific services in case of a specific service the choose of a valve may be simplified by following an established practice. Graphite reinforced teflon, 316 ss packing material. Type approval certificate bray uk braymccannalok s4041 4243 4445. Certificate of type approval braymccannalok butterfly valves s4041. Basic valve types valves are available with a wide variety of valve bodies in various styles, materials, connections and sizes. Metal flanges resilient seated butterfly valves have been designed to be suitable for all types of flanges asme, din, jis and other international flange standards, whether flatfaced, raised face, slipon, weldneck, etc. Ptfe, rtfe, 316 ss, inconel, fire safe, mtfe bearing material. Type approval certificate braymccannalok s4041 4243 4445 4a4b. Common seat materials include tfe, rtfe and uhmwpe.
Ordinary valves compared with traditional butterfly valves and many other valve types, wafersphere butterfly valves deliver several unique benefits. In such cases, the valve manufacturer must be contacted to. Discuss the design, application and maintenance of the most common types of valves used in power piping systems. Butterflystyle demco valves come in a variety of styles to suit a range. Learning objectives here is what you will be able to do when you complete each objective. Process valves symbols icons for planners, designers and. Features conform to the specification of jis and japanese government offices it conforms to the specification of jis b2032 wafer type rubberseated butterfly valves and japanese government offices as a valve used for supply water services or air. 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. The fisher 8532 highperformance butterfly valve provides outstanding performance under extreme pressure and temperature conditions. Trusted throughout chemical, petrochemical and many other industries leaders in sealing integrity 3 garlock butterfly valves for corrosive and abrasive media the economic advantages of reduced maintenance, smooth operation and exceptional service life are proven over and over again. Valve type body connection ansi range duty rate options rating mm ansi bv0 swingthrough wafer, lugged, 1502500 502000 control ii flanged, buttweld bv14000 ledgeseat wafer. Valves can be categorized into the following types, based on their operating mechanism. The two piece design of shaft and disc allows for an easy change of the disc and liner. The worlds preferred partner for corrosion resistant valve.
In order to meet your just in time delivery requirements, pratt maintains inventory on 3 through 48 butterfly valves with a variety of mdt actuation styles to suit your application. All valves shall be capable of bidirectional, end of line, bubble tight service to rated pressure. For valves that have been factorypacked in transport crates wooden crates, the centre of gravity of the entire unit must be taken into account. With the triple offset butterfly valve there are three offsets. Audco slimseal pn10 butterfly valve is a wafer type valve, with an integrally molded elastomer body liner, is designed to outperform valves with loose liners. Even though they are in certain ways similar to ball valves, butterfly valves are typically easier to install because of their reduced weight.
Different types of valves used in piping mech4study. To make your selection easier, nibco offers specification and submittal assistance. Awwa butterfly valves can be applied in applications demanding highquality and thoroughly tested valves which offer many years of troublefree service. How to specify rx butterfly valves rx size type end drilling body disc shaft seat operator example. Valve failure is the single most reason for a scheduled or unscheduled shut down. Butterfly valves are built on the principle of pipe damper. Pratt butterfly valve, coupled with the mdt actuator, offers single source responsibility for both actuator and valve. Wcb a216 carbon steel, cf8m a351 stainless steel disc. The most common types are ball valves, butterfly valves, globe valves, and gate valves. Each type of valve gate, butterfly, angle is available in different versions, offering different materials, flanges, actuators, etc, to provide the most appropriate solution to any of a wide range of demands. Butterfly valves check valves actuator ready automated valves accessories. Effect of butterfly valve disc shape variations on torque. High pressure butterfly valves with offset design iso 5208 en 12266.
Jamesbury wafersphere highperformance butterfly valves. Valves 4 size and smaller used for hvac water shutoff shall be ball valve type. Tfp1540 0818 resilientseated gate valves outside screw and yoke. They control the flow of a fluid by means of a rotating disc. Butterfly valves types, construction, applications and. Hp series high performance double offset butterfly valve. Most manual butterfly valves do incorporate this feature. Chapter 6 addresses the selection and use of special control valves. They are the core component in matrixpiped process plants and contribute significantly to the highest product quality.
Single piece shaft and disc designed for maximum strength and cv. Two are placed in a similar position to the double offset butterfly valve, while the third offset is the geometry of the seating surface, creating a type of cone shape of the disc and seat. They offer proven reliability in applications ranging from vacuum to very. As part of crane valve group, flowseal high performance butterfly valves are backed by the. Butterfly valves 22 way 23 swing check valve 22 way 24 gate valves 22 way 25. The longer a valve performs as designed and without problems, the better. Some valves are capable of throttling flow, other valve types can only stop flow, others work well in corrosive systems, and others handle high pressure. An epdm seated butterfly valve shall not be used for all oil applications. Shipham valves offers a diverse range of valves by type, material, and size, providing gate, globe, check swing and wafer style, ball, ytype pattern strainers and butterfly valves, in sizes from 14 to 48 in nonferrous, composite and high alloy materials. Butterfly valves have flow characteristics three times better than globe valves. And we believe there are no other valve solutions on the market today that can outperform jamesbury valves. This unique and improved design provides operating torques that are 15% lower than the original design. Chapter 4 describes digital valve controllers, analog positioners, boosters, and other control valve accessories. The flomatic model c000ca000 is the basic valve used for all flomatic full port automatic control valves.
Butterfly valve is an quarter turn rotary motion valve used to regulate, start or stop of fluid flow. Garlock does not offer rubber or metal valves, so our main focus will be on plasticlined valves. Butterfly valve tosv is the only design of its kind that has a field replaceable seal and seat ring. Designed to outperform loose liners, audco butterfly valves elastomer liner is molded directly in the body bore and vulcanized insitu, making it last the entire life of the valve. They are designed to handle everything from general applications to viscous and corrosive liquids. Type i valves for tight shutoff tested per section 10.
Again the orientation of the butterfly determines the flowrate. High pressure ratings jamesbury highperformance butterfly valves are rated at ansi 150, 300 and 600 pressure classes. Download valve catalogue, pdf drawing, ga drawing, cross sectional arrangement design drawing, 3d model drawing, valve strainer filter sight glass flow indicator operation and maintenance manual download from here free. Flowseal high performance butterfly valves aiv inc. Manual or automatic, actuators are easily adapted to mounting flange on the extension. The result a valve that requires no form of maintenance. Electronic data interchange edi makes it possible to trade business documents at the. Introduction to valves learning outcome when you complete this module you will be able to. Butterfly valve types wafer, lug, double offset and. They are usually manufactured in flanged, wafer, and lug, or singleflange type designs. Valves typical operating temperatures operating temperatures for typical types of valves ball valves, butterfly valves and more. In 1991, subcommittee e facetoface and endtoend dimensions of valves, was combined. This standard practice covers flangeless wafertype, singleflange lugtype, and flangedend valves in size nps 1 through nps 72, along with groovedend.
Chapter 5 is a comprehensive guide to selecting the best control valve for an application. Such valve failures can occur even when the valves are operated within their design limits of pressure and temperature. Whats different about zero, double and triple offset. Butterfly valves also function rather well as a flow control valve or an onoff valve.
You also get the assurance of the nibco warranty, along with superior customer service expertise. This disk is placed in the parallel position to the flowing liquid when the valve is fully open, resulting in small friction losses. Butterfly valves provide bidirectional deadend service in commercial and industrial service. Valves selection guide an applications guide for selecting valves.
Wafer type gate and check valves, class 150 ypattern globe and check valves, and several patterns of butterfly valves were added to the types covered. Audco butterfly valves is a wafer type valve with an integrallymolded elastomer body liner. 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. If a manual actuator is used in a flow control application, it must lock into place, so that the force of the fluid does not rotate the disc in either direction. Dezurik high performance butterfly valves bhp high performance butterfly valves comply with api 609 category b and can be used for shutoff and throttling control. Valves 4 size and larger used for hvac water shutoff shall be gate or high performance butterfly type. A wide variety of end connections, including gaugeable swagelok tube fittings. Swagelok offers instrumentation and process ball, check, diaphragmsealed, metering, shutoff and regulating needle, process instrumentation, quarterturn plugs and relief valves, and manifolds. Type ii valves permitting seat leakage see section 10.
Pneumatic series 79 as on type 57p butterfly valve. T h e d i m e n s i o ns t h e f f e a t u r e s a n d b e n e f i ts azure awwa flanged butterfly valves model 45 flanged size range 3 24 pressure. The elastomer liner, molded directly in the body and vulcanized insitu, ensures that the liner lasts the entire life of the valve a valve that requires no form of maintenance. Ball valve, for onoff control without pressure drop. To order, specify distance from valve mountingflange to base of operator.
A variety of special vacuum valves vent valves, 3 way valves, leak valves, throttling valves complements the alcatel. Valve types and features the three basic functions of valves are. Manual worm gear operators are self locking in all positions adjustment. The 8532 valve maintains tight shutoff, is available in a firetested version, and can be specified for cryogenic applications and oxygen service. The valve is designed for use with various types of pressure andor electric controls to provide the desired control of pressure or flow for a variety of water system applications. The 50 durometer material is highly resistant to abrasion and chosen for long life without leakage.
Growth has been constant with the addition of an awwa butterfly valve, general service butterfly valve, swing check valve, rubber. Pneumatic series 79 aa on type 57p butterfly valve. Butterfly valve butterfly valves are amongst the most popular types of valves. After 15 years of development, we have extensive experience in the production and processing of soft seal butterfly valves.
This technology cuts the cost of each transaction by eliminating the manual. These valves are used primarily in the water, wastewater, and industrial markets. This allows the reuse of existing actuation when replacing legacy butterfly valves. Butterfly valves are produced in sizes ranging from nps 1 dn 40 to over nps 200 dn 5000. Please contact phoenix controls if you require a format not shown in the tables below. A typical flanged butterfly valve is illustrated in fig. They are also more precise and can close faster and easier. Most popular types of valves and how to use them as revit. Contact our factory for larger models or other types of butterfly valves. Class 150b and awwa standard c504 body ductile iron astm a536 for greater strength and higher pressure rating. Bos resilientseated butterfly valves are designed to handle a wide variety of liquids and gases. Dezurik awwa butterfly valves are designed for applications throughout water and wastewater treatment plants, water distribution systems, power plants, and industrial plants.
Valves common types butterfly valves butterfly valves use a similar principle to ball valves. The valve manufacturers are constantly working to improve lifetime and performance of valves. Pov valve company, a professional manufacturer of butterfly valve established in the year 2003, which is located in the industrial development zone of wuhu city, anhui province, china. Shaft blowout hazard of check and butterfly valves alert. Butterfly valve, for onoff flow control in large diameter pipes. Ideal for quick shutoff, since a 90 turn completely shutsoff, compared to multiple 360 turns for other manual valves. Valdisk tx3 valves have been tested to the industries most stringent seat leak test requirements demonstrating the ability to shutoff with zero leakage. In the case of highperformance butterfly valves, and sometimes in the case of lowpressure and lowtemperature butterfly valves, the valve design may require more actuating torque to open or close the valve when the flow is reversed. Each type of valve has been designed to meet specific needs. Bray resilient seated butterfly valve series 31 pneumatic positioner bim model. Valve selection guide dezurikapcohilton valves for. A butterfly valve is a quarterturn rotary motion valve, that is used to stop, regulate, and start the flow.