Abstract the suction and discharge valves are key parts of every reciprocating compressor. Type ii valves permitting seat leakage see section 10. 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 valves are built on the principle of pipe damper. Milliken valve was started over three decades ago manufacturing the eccentric plug valve for the waste water and hvac marketplace. High pressure butterfly valves with offset design iso 5208 en 12266. And we believe there are no other valve solutions on the market today that can outperform jamesbury valves. A wide variety of end connections, including gaugeable swagelok tube fittings. Different types of valves with pdf file engineering. Chapter 5 is a comprehensive guide to selecting the best control valve for an application. They offer proven reliability in applications ranging from vacuum to very.
For valves that have been factorypacked in transport crates wooden crates, the centre of gravity of the entire unit must be taken into account. Manual worm gear operators are self locking in all positions adjustment. Flowseal high performance butterfly valves aiv inc. Even though they are in certain ways similar to ball valves, butterfly valves are typically easier to install because of their reduced weight. This allows the reuse of existing actuation when replacing legacy butterfly valves. Valves typical operating temperatures operating temperatures for typical types of valves ball valves, butterfly valves and more. Butterfly valve types wafer, lug, double offset and. Valves selection guide an applications guide for selecting valves. Butterfly valves the flow control element in a butterfly valve is a disk pivoted on either a horizontal or a vertical axis within the valve body figure 11. You also get the assurance of the nibco warranty, along with superior customer service expertise. Garlock does not offer rubber or metal valves, so our main focus will be on plasticlined valves. Butterfly valve butterfly valves are amongst the most popular types of valves. This unique and improved design provides operating torques that are 15% lower than the original design.
Valves 4 size and smaller used for hvac water shutoff shall be ball valve type. Type approval certificate braymccannalok s4041 4243 4445 4a4b. Butterfly valves provide bidirectional deadend service in commercial and industrial service. To order, specify distance from valve mountingflange to base of operator. 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. The two piece design of shaft and disc allows for an easy change of the disc and liner. Valve selection guide dezurikapcohilton valves for. Butterfly valves also function rather well as a flow control valve or an onoff valve. In 1991, subcommittee e facetoface and endtoend dimensions of valves, was combined. These valves are used primarily in the water, wastewater, and industrial markets. Most manual butterfly valves do incorporate this feature.
To make your selection easier, nibco offers specification and submittal assistance. Single piece shaft and disc designed for maximum strength and cv. Audco butterfly valves is a wafer type valve with an integrallymolded elastomer body liner. Butterfly valve, for onoff flow control in large diameter pipes. Type i valves for tight shutoff tested per section 10. Butterfly valve is an quarter turn rotary motion valve used to regulate, start or stop of fluid flow. Butterfly valves check valves actuator ready automated valves accessories. Class 150b and awwa standard c504 body ductile iron astm a536 for greater strength and higher pressure rating. Valves common types butterfly valves butterfly valves use a similar principle to ball valves. Chapter 4 describes digital valve controllers, analog positioners, boosters, and other control valve accessories. Tfp1540 0818 resilientseated gate valves outside screw and yoke. 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.
Discuss the design, application and maintenance of the most common types of valves used in power piping systems. Jamesbury wafersphere highperformance butterfly valves. Whats different about zero, double and triple offset. Introduction to valves learning outcome when you complete this module you will be able to. Swagelok offers instrumentation and process ball, check, diaphragmsealed, metering, shutoff and regulating needle, process instrumentation, quarterturn plugs and relief valves, and manifolds. Again the orientation of the butterfly determines the flowrate. 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. 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 flomatic model c000ca000 is the basic valve used for all flomatic full port automatic control 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. Different types of valves with pdf file engineering discoveries. The fisher 8532 highperformance butterfly valve provides outstanding performance under extreme pressure and temperature conditions. The worlds preferred partner for corrosion resistant valve.
The garseal valves are available in wafer and lug type. Different types of valves used in piping mech4study. This disk is placed in the parallel position to the flowing liquid when the valve is fully open, resulting in small friction losses. To select the correct valve to fulfill these functions properly, an outline of the different types of valves and their features is given below. Valves for specific services in case of a specific service the choose of a valve may be simplified by following an established practice. They are usually manufactured in flanged, wafer, and lug, or singleflange type designs. Details most popular types of valves and how to use them. 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. This technology cuts the cost of each transaction by eliminating the manual. 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. Awwa butterfly valves can be applied in applications demanding highquality and thoroughly tested valves which offer many years of troublefree service. 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. Contact our factory for larger models or other types of butterfly valves.
Graphite reinforced teflon, 316 ss packing material. Ordinary valves compared with traditional butterfly valves and many other valve types, wafersphere butterfly valves deliver several unique benefits. 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. Wcb a216 carbon steel, cf8m a351 stainless steel disc. 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. 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. Less expensive valves for nondemanding, nonabrasive, lower temperature applications. As part of crane valve group, flowseal high performance butterfly valves are backed by the. 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. Pratt butterfly valve, coupled with the mdt actuator, offers single source responsibility for both actuator and valve. The result a valve that requires no form of maintenance.
All valves shall be capable of bidirectional, end of line, bubble tight service to rated pressure. 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. Electronic data interchange edi makes it possible to trade business documents at the. 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. Bf series waferlug butterfly valves milliken valve. Butterfly valves have flow characteristics three times better than globe valves. Figures 59 show the geometry, relative proportions and key features for various types of butterfly valves that were tested. 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. A variety of special vacuum valves vent valves, 3 way valves, leak valves, throttling valves complements the alcatel.
Selection is primarily dependent on the service conditions, the task, and the load characteristics of the application. 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. Butterfly valve tosv is the only design of its kind that has a field replaceable seal and seat ring. Ideal for quick shutoff, since a 90 turn completely shutsoff, compared to multiple 360 turns for other manual valves. An epdm seated butterfly valve shall not be used for all oil applications. Valve types and features the three basic functions of valves are. The most common types are ball valves, butterfly valves, globe valves, and gate valves. They control the flow of a fluid by means of a rotating disc. Most popular types of valves and how to use them as revit. Ptfe, rtfe, 316 ss, inconel, fire safe, mtfe bearing material. A variety of special vacuum valves vent valves, 3 way valves, leak valves, throttling.
In such cases, the valve manufacturer must be contacted to. Inch dimensions were converted from common to twoplace decimal fractions. Such valve failures can occur even when the valves are operated within their design limits of pressure and temperature. Butterfly valves 22 way 23 swing check valve 22 way 24 gate valves 22 way 25. Chapter 6 addresses the selection and use of special control valves.
Pratt hp series high performance double offset butterfly valves sizes. They are the core component in matrixpiped process plants and contribute significantly to the highest product quality. 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. They are designed to handle everything from general applications to viscous and corrosive liquids.
The seat is fully adjustable and field replaceable without dismantling the actuator, disc or shaft. This standard practice covers flangeless wafertype, singleflange lugtype, and flangedend valves in size nps 1 through nps 72, along with groovedend. Bray resilient seated butterfly valve series 31 pneumatic positioner bim model. Our valves are economically designed for the application they are intended for. High performance butterfly valves features and benefits double offset geometry to provide superior sealing with minimal seat contact and wear. Valves can be categorized into the following types, based on their operating mechanism. Certificate of type approval braymccannalok butterfly valves s4041. How to specify rx butterfly valves rx size type end drilling body disc shaft seat operator example. The 8532 valve maintains tight shutoff, is available in a firetested version, and can be specified for cryogenic applications and oxygen service.
With our range of valves we provide the market with solutions for highly complex tasks as well as for basic functions. Type approval certificate braymccannalok s404142434a ccs china classification society. 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. Valve failure is the single most reason for a scheduled or unscheduled shut down.
Jamesbury valve solutions legendary reliability leads to lower costs when it comes to valves, we know that your most important purchase consideration is reliability. Pneumatic series 79 as on type 57p butterfly valve. A butterfly valve is a quarterturn rotary motion valve, that is used to stop, regulate, and start the flow. Butterfly valves types, construction, applications and. A typical flanged butterfly valve is illustrated in fig. Effect of butterfly valve disc shape variations on torque. Valves 4 size and larger used for hvac water shutoff shall be gate or high performance butterfly type. With the triple offset butterfly valve there are three offsets. After 15 years of development, we have extensive experience in the production and processing of soft seal butterfly valves. Please contact phoenix controls if you require a format not shown in the tables below. Hygienic valves have been manufactured by gea for over 80 years. Process valves symbols icons for planners, designers and.
A 90 rotation of the handle can completely close or open the valve. Basic valve types valves are available with a wide variety of valve bodies in various styles, materials, connections and sizes. Ball valve, for onoff control without pressure drop. 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. Type approval certificate bray uk braymccannalok s4041 4243 4445.
These valves allow partial opening based on required output for fluid flow. The valve manufacturers are constantly working to improve lifetime and performance of valves. 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. Manual or automatic, actuators are easily adapted to mounting flange on the extension. Each type of valve has been designed to meet specific needs. The longer a valve performs as designed and without problems, the better. 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. 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. Bos resilientseated butterfly valves are designed to handle a wide variety of liquids and gases. 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.
Symbols icons for planners, designers and piping engineers. Hp series high performance double offset butterfly valve. Dezurik awwa butterfly valves are designed for applications throughout water and wastewater treatment plants, water distribution systems, power plants, and industrial plants. 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. 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. Common seat materials include tfe, rtfe and uhmwpe. The 50 durometer material is highly resistant to abrasion and chosen for long life without leakage. Designed to reduce installation costs, the insert series check valves easily fit into existing line components which reduces both initial cost and installation time.
Machined, tapered seat provides multiple sealing edges. Butterfly valves are produced in sizes ranging from nps 1 dn 40 to over nps 200 dn 5000. This standard practice covers two types of butterfly valves. Normally, they are used in systems where positive shutoff is not required. Ifc series bh150wl high performance butterfly valves. Shaft blowout hazard of check and butterfly valves alert. Boscl valves are available in lugged or wafer bodies with ductile ironnickel plated or 316 stainless steel discs. 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. To download all of our available cad files, please fill out the form with these cad files, you can easily fit them into your existing models and find the perfect fit.