Caution never remove valve from pipeline under pressure. 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. This allows the reuse of existing actuation when replacing legacy butterfly valves. A butterfly valve is a quarterturn rotary motion valve, that is used to stop, regulate, and start the flow. The bearing shall be a stainless steel backed teflon material. Standard butterfly valves for a wide scale if industry segments. Butterfly valves, whether manually or automatically operated, can be used in most liquid product applications in the foodprocessing, pharmaceutical and chemical industries.
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. Butterfly valves shall be wafer or lug style, as manufactured by asahiamerica, inc. Wafer type butterfly valves flange bolt dimensions. Refer to separate instruction manuals for information covering the actuator and accessories.
Milliken valve was started over three decades ago manufacturing the eccentric plug valve for the waste water and hvac marketplace. Bf series waferlug butterfly valves milliken valve. The azure series butterfly valves are designed with a tight closing, rubber seated design providing bidirectional bubble tightness. Guaranteed lining thickness of at least 3 mm plus high crystallinity.
Butterfly valves provide bidirectional deadend service in commercial and industrial service. Tm1023 braymccannalok butterfly valves technical manual. Used for high pressure drops found in oil and gas wellheads, not to be confused with engine choke valve. Keystone figure 9 butterfly valve a resilient seated butterfly valve for general purpose applications features bubbletight shutoff at full pressure rating ptfe lined configuration is drop tight. Butterfly valves type 57, 56, 56d pneumatic actuated type ta, tw 2 2 general operating instructions never attempt to disassemble an actuator. The butterfly valve range is available in sizes ranging from. The 50 durometer material is highly resistant to abrasion and chosen for long life without leakage. The special seal design, with an expansion groove, minimizes wear and ensures long service life. Normally, they are used in systems where positive shutoff is not required. You also get the assurance of the nibco warranty, along with superior customer service expertise. 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.
Used for high pressure drops found in oil and gas wellheads, not to be confused with. Wafer type butterfly valve or lug type butterfly valve for installation between flanges en 1092 pn 1016 or asme class 150. Available in 2 to 24inch sizes 60 610 mm with cv ranging from 144 to 33,154. Butterfly valve tosv is the only design of its kind that has a field replaceable seal and seat ring. The seat is fully adjustable and field replaceable without dismantling the actuator, disc or shaft. Due to the pneumatic pressurisation of the seat ring in position closed, the valve switches without friction and without preload between seat and valve disc.
Butterfly valve types wafer, lug, double offset and. High performance butterfly valves are designed for shutoff and throttling control of liquids and gases. Ideal for quick shutoff, since a 90 turn completely shutsoff, compared to multiple 360 turns for other manual valves. Pdf selecting a butterfly valve instead of a globe valve for fluid. Call our knowledgeable customer service at 1800800bray 2729. They offer proven reliability in applications ranging from vacuum to very. Trusted throughout chemical, petrochemical and many other industries. Atex 1554 hsi sistag ag ped certificate sistag ag iqnet certificate sistag ag iso 9001 certificate sistag ag general documents. Valve shafts the shaft shall be made of astm a564 type 630 condition h1150. Lever, handwheel, chainwheel, square nut, cylinder, electric motor butterfly valves dezurik high performance butterfly valves bhp design features. The mud king wafer and lug type butterfly valves are designed to meet the stringent requirements of. In addition to the disc seal, the body seat can be easily replaced in the field. Awwa butterfly valves suggested specification for the milliken rubber seated butterfly valve, sizes 3 through 20 general butterfly valves shall be manufactured in accordance with the latest revision of awwa c504, class 150b and conform to nsf standard 61.
Butterfly valves shall be tested and inspected in compliance with awwa c504 and section 05100. Awwa butterfly valves can be applied in applications demanding highquality and thoroughly tested valves which offer many years of troublefree service. Pdf straight pattern globe valves are widely used in the oil and gas industry to. Weco butterfly valves offer the ultimate in dependable, economical flow control. The flomatic model 45 butterfly valves are manufactured in accordance with the latest version of awwa c504. Dimensions and drilling of flanged end connections conform to class 125 sections of asmeansi b16. Alternatively, you can select your type of valve in the products section and download the necessary files there. Dezurik awwa valves are in conformance with the industry standards listed below. Many competing triple offset butterfly valve designs utilize an integrated seat. This unique and improved design provides operating torques that are 15% lower than the original design. Wafer, notched, and lug type body styles meet requirements for new. Api 609 centric butterfly valves soft seated are preferred to gate and ball valves for lowpressure and noncritical applications as they are cheaper, lighter and easier to install.
Garlock does not offer rubber or metal valves, so our main focus will be on plasticlined valves. Types of butterfly valves api 609 projectmaterials. Each type of valve has been designed to meet specific needs. The two piece design of shaft and disc allows for an easy change of the disc and liner. Used with aseries industrial actuators and openair damper actuators.
Material 1 body 1 pp, pvdf 2 disc 1 pp, pvdf 3 seat 1 epdm, fkm. Gear operators can be used for onoff and throttling control of crane resilient seated butterfly valves. For pressure ratings from 176 psi up to 285 psi, consult factory. Desponia butterfly valve dn 25 avk flow control pty ltd. Ordinary valves compared with traditional butterfly valves and many other valve types, wafersphere butterfly valves deliver several unique benefits. Using a positivepressure gas with our plastic piping may pose a dangerous condition due. The valve is suitable for throttling service andor operation after long periods of inactivity. If disassembled forcible, internal parts may jump out and this is very dangerous. Ideally suited for both the beer and wine industries, the value style can also be used for other process lines within the food, dairy, and beverage industries. This instruction manual includes installation, maintenance, and parts information for nps 2 through 12 8560 eccentric disk butterfly control valves see figure 1. All models are weatherproof and usable for above ground or buried service.
The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Wafer type butterfly valve for installation between flanges en 1092, pn 1016, asme class 150. To make your selection easier, nibco offers specification and submittal assistance. Different types of valves with pdf file engineering. These valves are used primarily in the water, wastewater, and industrial markets. The economic advantages of reduced maintenance, smooth operation and exceptional service life are proven over and over again. Twopiece body, selfcentring, onepiece valve disc and stem, bubbletight up to 10 bar. Secure shutoff of solids without friction in the seat. Dezurik awwa butterfly valves are designed for applications throughout water and wastewater treatment plants, water distribution systems, power plants, and industrial plants. It is noticeable that wafer type butterfly valves are much cheaper than globe valves. Specially machined and polished shaft reduces friction, hysteresis, and torque requirement.
Valves conform to awwa standard ansiawwa c504, rubberseated butterfly valves. Shaft seals shall be of a design allowing replacement without removing the valve shaft. For manual operation of valves, gear operators are required for valves 14 and larger and are recommended for valves 8 and larger. The c200 is a general purpose valve designed to meet the needs of many different industries including hvac, oil and gas production, agriculture, chemical. The seat and the disc are the only two valve parts in contact with the medium. Valves common types butterfly valves butterfly valves use a similar principle to ball valves. 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 manufacturer shall have produced awwa butterfly valves for a minimum of five years. Butterfly valves, since their invention in 1960s became on of the most demanded flow control elements in. Trusted throughout chemical, petrochemical and many other industries leaders in sealing integrity 4 the correct type of lining ptfe voidfree body liner and disc isostatic molded from virgin ptfe. Types of butterfly valves api 609 a butterfly valve is used to shut off or modulate the flow of a fluid isolation and regulation. The garseal valves are available in wafer and lug type. Less expensive valves for nondemanding, nonabrasive, lower temperature applications.
Facetoface dimension din en 558 line 20 api 609 table 1 mounting flange din en iso 5211 test din en 12266 p10 p11 p12 leakage rate a butterfly valves the types. These fieldproven valves are available from stock in 2 through 24inch sizes and can handle working pressures up to 175 psi. The dynamic ptfe seat provides bubbletight shutoff in both directions. Butterfly valves shall seated type be rubberin accordance with the requirements of awwa c504 in all respects, except as may be specifically modified herein.
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