This purpose of this document is to support the pr release, the appendix a will be integrated. Wafer butterfly valve replace xxx by a number to give the diameter of the butterfly valve e. Valves common types pinch valves pinch valves are used for flow control application, usually to regulate another parameter such as slurry level or thickener underflow % solids. Butterfly valves types, construction, applications and. A 90 rotation of the handle can completely close or open the valve. For paint and lacquers, a siliconfree version is available. The valve operating principle relies on a flexible section of pipe being flattened between pinched two moving bars like a vice. The development of this type of valve has been more recent than the other ones. Pneumatic shutoff butterfly valve type 333531asrp or dap. Typically the material is air, gas, steam, or liquid.
The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party. The butterfly valve can also be used for throttling service in the rotation range from 25 to 60. Optimized modularcomponents double internal shaft seal on both sides. An epdm seated butterfly valve shall not be used for all oil applications. Type bfv 125150 wafer installation butterfly valves are manufactured in accordance with the specifications from iso 5272, international standards organization and mss sp67, manufacturers standardization society and api609, american petroleum institute. The choice of material for the disc and gasket depends on the type of liquid to be carried and on the working temperature of the. It provides complete leakage tightness by its elastomer which is connected to disc with the retaining ring. A typical flanged butterfly valve is illustrated in fig. Butterfly valve type 567 abs bare shaft product catalog.
The valve must not be operated until the following documents have been. Features conform to the specification of jis and japanese government offices it conforms to the specification of jis b2032. Butterfly valves wafer type o 1600kpa 16 bar o wafer disc available in nickelplated cast iron, bronze and o cf8m 316 stainless steel. 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. Installation of the wafer style butterfly valve butterfly valves are installed by inserting the valve between two flanges using bolts or studs and nuts to hold it all together. Butterfly valves type 567568 are compact, flexible and reliable shutoff valves for wafer and lugstyle applications.
Type 1120 is a concentrical butterfly valve and can be used for any general applications and is a semilug valve with 4 holes. The actuatedbutterfly valveis comprised of an actuator, linkage and valve body. Atexcompliant version in accordance with directive 201434eu. Awwa butterfly valves can be applied in applications demanding highquality and thoroughly tested valves which offer many years of troublefree service. Examples shown above, not all possible type variants are shown. Cannot be used as a pipe end or as endofline service. Pdf failure mode and effect analysis fmea of manually. Valve types and configurations butterfly valves kitz. Butterfly valve type 571 1214inch butterfly valve type 5616inch butterfly valve type 751824inch butterfly valve type 56d,75d. Piping materials butterfly valves butterfly valve type 57. In compliance with nace mr0175 iso 15156 and mr 0103.
For power operated valves, type tests on actuators as per ieee 382 shall be carried out as. Each butterfly valve is labelled with the following data on its housing or type plate. Pdfdownload valve technology brochure armaturenwerks. Pneumatic control valve type 3331br 31a special version. Instruction manual lkb automatic or manual butterfly valve. Butterfly valve wafer type stainless steel 411 410. Pdf selecting a butterfly valve instead of a globe valve. 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. The valve is available with pvcu discs and epdm and fpm sealing gaskets. A large selection of body, disc and seat materials permit these valves into a wide range of onoff and throttling control applications in lines up to 24 size. The current generation of gea butterfly valves provide users.
Wide range of handles, actuators and connection types. Both lug and wafer series valves are designed for ansi 125150 lb. Concentric rubber lined butterfly valve 2 piece split body ptfe lined butterfly valve double eccentric high performance butterfly valve triple eccentric high performance butterfly valve dual plate check valve. Geometrical diagram for simulation of turning of disk in a butterfly valve. A butterfly valve used when the flow direction of fluid is oriented from the shaft2 side of the valve disk 3 toward the flat side leftward on the drawing. Effect of butterfly valve disc shape variations on torque.
The valve size and type, cv ratings and closeoff pressure determine the type of actuator series used. Different types of valves with pdf file engineering. Type 2010 is a double flanged butterfly valve with an eccentrical disc. 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. Valve shafts shall be stainless steel astm a276 type 316 for class 150b valves and stainless steel astm a564 type 630 condition h1100 or h1150 for class 250b. Valves up to 16 have corrosion resistant frp gear operators. 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.
Type is in conformity with the following directive with amendments. In this document, the level of danger or damage caused by neglecting these cautions. Butterfly valves type 4510 and 451 the esse ntial advantages resistance values zeta values in open position dn type zeta value 100 4510 0,80 150 4510 0,75 200 4510 0,56 250 4510 0,50 300 4510 0,40. Butterfly valve types wafer, lug, double offset and.
A butterfly valve either isolates or regulates flow, using a disc closing mechanism. Hygienic valves and components from gea form the core component. Lkb automatic or manual butterfly valve and lkblp low pressure butterfly valve. The awh butterfly valve has been under constant develop. Operation is similar to that of a ball valve, which allows for quick shut off. Butterfly valves are valves with a circular body and a rotary motion disk closure member which is pivotally supported by its stem. Wafer type butterfly valve 411 410 series is an onoff and control valve for demanding industrial pipelines. This product is a double eccentric butterfly valve, which controls fluid by. Set the direction to correspond with the indication line at the top. 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. After fitting between flanges of a piping system, butterfly valves belonging to series z, f, m, t, tw and.
A major advantage of butterfly valves is the saving of energy due to smaller head losses. Find butterfly valves on globalspec by specifications. The pneumatic control valve consists of a type 3310 butterfly valve and either a pfeiffer type br 31a pneumatic actuator or a samson type 3278 pneumatic actuator. A butterfly valve exhibit 1 operates by opening and closing via a disc the butterfly. Our systems modular design principle allows you to exchange individual system. Normally, they are used in systems where positive shutoff is not required.
Translation of the original instruction english version. Top flange and shaft dimensions are to iso 5211 standard for easy mounting of actuators. A butterfly valve is used to control the flow of material through a circular pipe or tube. Operation is similar to that of a ball valve, which allows for quick. The butterfly valve disc shape variations included in the test program are described below. A butterfly valve is a valve which can be used for isolating or regulating flow. Dezurik awwa butterfly valves are designed for applications throughout water and wastewater treatment plants, water distribution systems, power plants, and industrial plants. 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. A butterfly valve is a quarterturn valve from the family of valves known as wafertype valves. A butterfly valve is a quarterturn rotary motion valve, that is used to stop, regulate, and start the flow.
The main question this research seeks to answer is whether a butterfly valve e. Butterfly valve assembly me430 introduction to computer aided design dr. The person authorised to compile the technical file is the signer of this document. With an isolating valve part of a piping system can be isolated, thus preventing.