Tones mfg trading is a professional butterfly valve manufacturer. A 90 rotation of the handle provides a complete closure or opening of the valve. Iqs directory provides a comprehensive list of butterfly valve manufacturers and suppliers. Butterfly valve types wafer, lug, double offset and. Profile or line, constraint, shaft, thread, pad,pocket, and hole. Asahi yukizai corporation, as a leading company in industrial resins and plastic valves, will care for the natural environment and will contribute to the enhancement of peoples living. The series 3031 resilient seated butterfly valve features a high strength throughstem design which allows for easy disassembly and superior inline support of the disc. Failure mode and effect analysis fmea is one of the method used to study the reliability characteristics of various systems levels such as processes, parts, components and systems. Pdf selecting a butterfly valve instead of a globe valve for fluid. Lever type the direction of the handle is the same as the disc for full closed position, the handle is perpendicular to the piping.
Butterfly valves are valves with a circular body and a rotary motion disk closure member which is pivotally supported by its stem. A wide variety of u type butterfly valve options are available to you, such as low pressure, high pressure. The djseries is a ductile butterfly valve using moldedin bonded seat structure. Butterfly valves manufacturers suppliers iqs directory. Our systems modular design principle allows you to exchange individual system components fast, easily and at very little expense and effort. Butterfly valve types wafer, lug, double offset and triple offset types. Actuation of our full range of valves can be via manual operators such as hand levers and gearboxes or full automation can be achieved through the. Butterfly valve type 57l lug style pdcpd 6 7 installation procedure when suspending and supporting a valve, take care and do not stand under a suspended valve. It simplifies the valves operation with the speed expense. You can also choose from manual u type butterfly valve, as well as from stainless steel, brass u type butterfly valve there are 652 suppliers who sells u type butterfly valve. The principle is simply a knife or gate which is dropped in front of the flow. Jun 29, 2011 butterfly valves are valves with a circular body and a rotary motion disk closure member which is pivotally supported by its stem. 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.
Butterfly valve tosv is the only design of its kind that has a field replaceable seal and seat ring. Please consult your local bray representative for your specific condition. This allows the reuse of existing actuation when replacing legacy butterfly valves in most cases. To select the correct valve to fulfill these functions properly, an outline of the different types of valves and their features is given below. Butterfly valves control flow through a circular disc or vane by turning the valve s pivot axis at right angles to the direction of flow in the pipe. Piping materials butterfly valves butterfly valve type 56d. This unique and improved design provides operating torques that are 15% lower than the original design. Pdf straight pattern globe valves are widely used in the oil and gas industry to. Wafer butterfly valve installation, operation and maintenance instructions installation 1 thoroughly clean and prepare the piping system before valve installation.
When the disc is rotated a quarter turn, the valve is either fully open or closed. Valves common types knifegate valves often just called gate valves, these are used as isolation valves. A butterfly valve is a quarterturn rotational motion valve, that is used to stop, regulate, and start flow. Type 2010 is a double flanged butterfly valve with an eccentrical disc.
Awwa butterfly valves can be applied in applications demanding highquality and thoroughly tested valves which offer many years of troublefree service. Butterfly valves provide bidirectional deadend service in commercial and industrial service. Find butterfly valve companies that can design, engineer, and manufacture butterfly valves to your companies specifications. The stem is retained in the body by means of a unique stainless steel spirolox retaining ring, a thrust washer and two crings, manufactured. Butterfly valves are unique in that, while the outer diameter od of the valve increases with the pipe diameter, the face to face depth or thickness of the valves remains somewhat constant. Dezurik awwa butterfly valves are designed for applications throughout water and wastewater treatment plants, water distribution systems, power plants, and industrial plants.
What is a butterfly valve where is it used and for what. Series 31h lug resilient seated butterfly valves are drilled and tapped to meet asme class 125150 and pn16 flanges. Keystone composeal resilient seated butterfly valves valve data and torques handle dimensions f419 valve dimensions size dn type b c d k y z mass kg notes 1. When the valve is closed, the disc is turned perpendicular to the flow so that it completely blocks off the waterway. Butterfly valve electromagnetic air solenoid valve provides quick positive response to control signal two limit switches provide confirmation of valve position to central control panel available in 110v or 24v all controls are protected under the splashproof cover on top of the cylinder ip65 two indicating lights on outside of. Valve type teflon block valves valve model series 06 valve size in 12 34 1 1. Be sure to conduct a safety check on all hand and power tools to be used before beginning work. The c200 is a general purpose valve designed to meet the needs of many different industries including hvac, oil and gas production, agriculture, chemical. Operating procedure open and close the valveby turning handle slowly. A butterfly valve can appear in various styles, including eccentric and highperformance valves. To close the butterfly valve, the above procedure is reversed. The socalled butterfly is a metal disc mounted on a rod and when the valve is closed, the disc is turned such that it completely blocks the passageway. The highperformance double offset butterfly valve, used in slightly higherpressure systems, is offset from the centre line of the disc seat and body seal offset one, and the centre line of the bore offset two.
When installing a new system, use the valve as a spacer. When the valve was under close or tight shut off condition, the camlike action makes the disc pushes into the seat more effective this makes the seat to have a tight contact with the body and reduce the leakage. Most companies will publish cv rates for butterfly valves showing the rate of flow at various disc angles. Looking for downloadable 3d printing models, designs, and cad files. To make your selection easier, nibco offers specification and submittal assistance. In the process of opening or closing the butterfly valve, the speed of the fluid flowing through the channel 4 gets lowest when the valve disk 3 is fully opened approx. A butterfly valve is a quarterturn valve from the family of valves known as wafertype valves. On the butterfly valve is a label that lists the information needed to identify the product and the operating conditions. High pressure resilient seated butterfly valve series 31h. If flange butterfly valves are chosen, fshould be added before the code name of relevant driven type to show in order. Butterfly valves introduction quarter turn rotational motion. They are normally used as throttling valves to control flow. A butterfly valve exhibit 1 operates by opening and closing via a disc the butterfly.
Type 567 is a wafer style butterfly valve rated for pressures up to 150psi and temperatures of up to 80c for betapp and cpvc, 120c for pvdf, and 60c for pvc. It provides complete leakage tightness by its elastomer which is connected to disc with the retaining ring. Most plastic lined valves are considered zero offset. The two piece design of shaft and disc allows for an easy change of the disc and liner.
The zerooffset butterfly valve, which uses the flexibility of rubber, has the lowest pressure rating. Butterfly valve files 3d cad model library grabcad. Find butterfly valves on globalspec by specifications. Oct 17, 2000 to close the butterfly valve, the above procedure is reversed. Butterfly valve type 567 abs bare shaft product catalog. Piping materials butterfly valves butterfly valve type 57. Water, seawater, lubricating types of hydrocarbons.
When the valve was under close or tight shut off condition, the camlike action makes the disc pushes into the seat more effective this makes the seat to have a tight contact with the body and reduce the leakage of the valve. Painting all surfaces of the valve interior shall be clean, dry and free from grease before painting. The omission of these aspects could lead to incorrect selection of a control valve for a particular requirement. 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. Remove the caps protect lives only in hdpe version 9. Do not use the valve as a lever to flood the clamp, this could lead to damage to the site during the installation or operation. Butterfly valves for general purposes first reprint june 19%. Usually, the large type of butterfly valves is equipped with gearbox, where the hand wheel by gears is connected to the stem. These are normally a type of valve that uses a flat plate to control the flow of water. Valve types and configurations butterfly valves kitz.
If you need to replace the seal, proceed as follows. In lever version, the opening angle is clearly indicated on the index plate. While butterfly valves can be used to limit flow, they are typically used as onoff valves. A butterfly valve is a quarterturn rotary motion valve, that is used to stop, regulate, and start the flow. Pdf straight pattern globe valves are widely used in the oil and gas industry to regulate and control the flow of fluids. Lever type the direction of the handle is the same as the disc for full closed position, the.
The kennedy valve butterfly valves robust and rugged design can be relied upon for years of trouble free service. Is 95 butterfly valves pdf ispdf download as pdf file. Different types of valves with pdf file engineering. It is noticeable that wafer type butterfly valves are much cheaper than globe valves. At the operator end of the valve shaft, a packing gland utilizing v type chevron packing shall be utilized. A 90 rotation of the handle can completely close or open the valve. Butterfly valves hail from the quarterturn valve family. Pdf failure mode and effect analysis fmea of manually. As one of the most durable resilientseated butterfly valves in the industry. The ubseries incorporates stainless steel manufacture for vital elements and double eccentric construction. In the event of any damage to the gasket or other sealing elements beyond repair, to provide qualified personnel to contact gmi.
There are three main ways a disc can be aligned in a valve. Pdf selecting a butterfly valve instead of a globe valve. Large butterfly valves are usually equipped with a socalled gearbox, where the handwheel by gears is. Selecting a valve by application butterfly valve kitz butterfly valves are available in a variety of body materials and seat combinations ready to meet our customers needs. Piping materials butterfly valves butterfly valve type 571 1. Thanks to our integrated electric position indicator, you always know which valves are open and which are closed and this contributes greatly to your and your operators safety.
To view a pdf file, you will need adobe reader, available free from adobe systems. Operation is similar to that of a ball valve, which allows for quick shut off. Stdapiipetro std bo7engl l777 m 0732290 05b529b too m foreword this standard is a purchase specification for butterfly valves designed for installation between flanges specified in asme b16. Selecting a valve by application butterfly valve kitz. The 3 type of seat material are sillicone rubbervmq, white nbr and fluoro rubber. It is generally controlled manually with gearbox, electrical, pneumatic and hydraulic actuator.
Kennedy valves butterfly valves have a 100% bubble tight seal via a 316 stainless steel ring located in the body and the rubber seat located on the vane. Actuators shall be equipped with mechanical stoplimiting. Wafer butterfly valve are generally used in pipeline,so there is no mark on the lable. Below we will presents geometric modeling parts and assembly of butterfly valve in the cad package catia. The garseal valves are available in wafer and lug type. Butterfly valves wafer type o 1600kpa 16 bar o wafer disc available in nickelplated cast iron, bronze and o cf8m 316 stainless steel. V4 table of contents vg series threeway, stainless steel trim, npt end connections ball valves with springreturn electric actuators with.
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