Butterfly valves are a type of rotary valve that use a rotating disk to control flow through a pipe. Add To List. Butterfly valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. The nature of the butterfly control action is such that it cavitates at some point along its curve. Butterfly Valves. Butterfly valves have a relatively simple construction. Explore a wide range of butterfly valves today. The drive form has manual, worm gear drive, electric, pneumatic, hydraulic . A resilient seated butterfly valve is the most economical choice.

However, this could only be done during the plant's annual maintenance shutdown. Learn about the VF Series VF Series Standard Pressure Butterfly Valves Low seating/unseating torques Bubble-tight shutoff InterApp Desponia plus butterfly valve for heavy duty applications. Flow-Adjustment Valves with SanitaryQuick-Clamp Fittings for Food and Beverage. A butterfly valve is from a family of valves called quarter-turn valves. Actuated Butterfly Control Valves, control the flow of gas or liquid by means of a disk, which turns on a diametrical axis inside a pipe or by two semicircular plates hinged on a common spindle, which permits flow in only one direction. They can be used with many different media. SEND. Butterfly Valves Filters Clear All Product Type Cryogenic High Performance Resilient Seated Triple Offset Size Butterfly valves can be used for both bi-directional . A short face-to-face valve which has a movable vane, in the center of the flow stream, which rotates 90 degrees as the butterfly valve opens and closes. Design StandardEN 593, MSS SP67, API 609, BS5155. A single vane or wafer disc pivots in the Valve Body and . Those bubbles drive the transit time meter nuts. It is rated 150 psi saturated steam at 366F for on-off applications and 50 psi at 300F for modulating service. The BYV Series features an IS05211 Mounting Pad and Drive Stem making actuation easier and more economical. HPBV valves are especially designed for use in high pressure pipelines (ASME 150# to 1.500#), suitable for tougher service and are prone to less wear. Where the spindle is vertical solids can lodge under the disc at the spindle and cause damage to the seal. Stainless Steel Flanged Butterfly Valve. When the valve is fully open, the disc is rotated a quarter turn so that it allows an almost unrestricted passage of the fluid. Siemens butterfly valves control hot and chilled water with up to 50% glycol . AVK Flow Control Pty Ltd 6 Islington Court, Dudley Park 5008 SA, Australia. . All Oyster branded sanitary butterfly valves are designed according to cGMP standards, for trouble free operation and easy maintenance. A butterfly valve contains a disk that spins to open and close, and it's able to be done with a quick, low-torque rotation of 90 degrees. Contacts . The "butterfly is a disk connected to a rod. The main components of a butterfly valve are the body, disc, stem and seat. In the mean time we installed a characterizer to linearize the butterfly valve (Figure 4). . Supplied as Soft- or Metal-seated, any type of materials and may be used in Throttling Service. Typically, they are used when economy is a consideration. Butterfly Valves Automation View Products SERIES 50/52 DelVal Flow Controls DelVal Flow Controls provides a wide range of superior quality ball valves, butterfly valves, actuators and control accessories by implementing a robust quality management system compliant to ISO 9001-2015 and cultivating a knowledgeable staff. Get a free quote now! A butterfly valve's flow characteristic is essentially closed until about 40 degrees, then flow increases from 20% to 90+% of capacity between 40 and 80 degrees. Such a narrow range of control and poor turndown rarely suits most control valve applications. C&C has provided quality valves and fittings for nearly three decades to numerous industries.

Applications that require the control of flow from a body of water often use butterfly valves. the ultroflo resilient butterfly valve line includes: 400/422 series general purpose valves 410/412 series large diameter valves 600 series valves with elastomer or ptfe cartridge seats 390/393 series for pneumatic conveying and abrasive applications 399/392 series sanitary/chemical valves 500/522 series economical high pressure butterfly By rotation of its disc butterfly valve controls the flow. The ball valve is used for filling a tank with reasonable accuracy. A Butterfly Valve is from a family of valves called Quarter-Turn Valves. They are quick-action flow control valves that allow rotations through 90 degrees to move from fully opened to a closed position. It closes when the rod rotates the disc by a quarter turn to a position perpendicular to the flow direction. Cavitation produces bubbles, which implode. Maintain sanitary standards in food and beverage applications with these valves that have internal surfaces that prevent product buildup and inhibit bacteria growth. These are similar to a butterfly valve, they are not suitable for flow control applications as they require high accuracy and control. In operation, the valve is fully open or closed when the disc is rotated a quarter turn. Butterfly valves use a rotating disk to control flow through a pipe. Titan can provide both direct mount and bracket mount designs. The correct solution to this problem would have been to replace the butterfly valve with a control valve that has a linear flow characteristic and then retune the control loop. About US. But the concurrent turbulent action produces other aeration bubbles which do not implode. BYV Series Butterfly Valves - Actuation Ready. Masoneilan 39004 Series High Performance Butterfly Valve is a heavy duty automatic throttling control valve that incorporates the basic features . Please contact Titan FCI about your specific . Butterfly Valve Butterfly valves are among the family of quarter-turn valves and work very similar to ball valves. Some typical applications for our product use includes cooling water, air service, compressed air and gas, fire protection, irrigation, oil and gas, slurry services, and HVAC. 316 Stainless Steel disc and replaceable liner. The "butterfly" is a metal disc mounted on a rod. Butterfly valves are the workhorse in a hydronic system used to isolate flow with bubble-tight shutoff. High Performance Butterfly Control Valves ; Segmented Ball Valves ; VIEW ALL ; Linear Control Valves . A ball valve is a type of quarter-turn valve with a hollow ball to control flow through it. Linear Globe/Angle Control Valves ; It is simple device to control or block the flow. BUTTERFLY VALVES Our triple offset butterfly valves meet stringent industry requirements and provide low cost of ownership to the end-user through improved life cycle costs, emissions control, less downtime, and low maintenance. Connection types may be wafer, lug, flanged, groove end . The pneumatic actuator opens the disc by way of compressed air and . These valves offer a rotary stem movement of 90 degrees or less, in a compact design. We'd like to help you select the best product for your application. E-mail: Send e-mail. Butterfly valves isolate fluid flows for throttle control and have a disk-shaped closing mechanism for fluid shutoff through an actuator visible on the outside of the valve. The open state allows flow and the closed state shuts-off flow in the line. Our complete range of butterfly valves extends from general purpose to severe service models used for isolation and throttling applications. Specifically designed for a wide range of HVAC applications, these standard-pressure, standard-temperature valves offer two-position and modulating control of hot, chilled or condenser water, and 50/50 glycol solutions. A butterfly valve is a type of valve which functions differently from ball valves and other valve types commonly used in processing in ways that make it more durable and better for sealing. The valve may also be opened incrementally to throttle flow. Working Principle of a Butterfly Valve. This is because a high level of torque is required to open and close a ball valve which prevents an operator from making fine adjustments. When the valve is closed, the disc is turned so that it completely blocks off the passageway. Butterfly valves are a great (and less expensive) alternative to globe and other control valves in applications where 1-2% accuracy is acceptable. The most common method to be installed in a piping-system: Double Flanged Type. Butterfly valves are frequently mentioned as a way to control flow. Material SS304, SS316. Butterfly valves are especially well-suited for handling of large, low pressure flows of liquids or gases. BUTTERFLY VALVES AVK Flow Control produces and delievers a wide programme of high-quality Butterfly Valves with rubber-lining for numerous applications. As a Butterfly Valve Supplier, share with you. BROWSE BY CATEGORY Valve Types Globe Valves Ball Valves Brass Valves Butterfly Valves Check Valves Choke Valves Gate Valves Needle Valves Plug Valves Tank Valves Actuators Butterfly valves are a type of quarter-turn rotational motion valve that is used to shut off flow in pipelines. A 4 inch high performance butterfly valve operating at around 70% open would also have a Cv of about 250. Butterfly valves are a family of quarter-turn rotational motion valves that are used in pipelines to shut-off flow. A butterfly valve is a quarter-turn valve that initiates throttling and flow control of fluids. This graph shows the Cv or Kv valve fraction vs opening and closing angle of a butterfly valve: The full closure curve of a butterfly valve is then the above graph multiplied by the valve's flow coefficient or factor. DN ranges from DN32 to DN2200. High capacity air flow in low pressure lines (up to 50 psig) is easily controlled with the Selas Wafer Butterfly valve (Product No. Below is a table of the flow rates for Butterfly Valves at different opening stages between zero degrees (fully closed) and ninety degrees (fully open). Pressure RatingPN10, PN16, CL150, JIS 5K/10K. Flow Control Sanitary Control Manual Operared DN50 2507 Disc Center Line Pn16 Pn10 Cl125 Cl150 JIS5K JIS10K Butterfly Valve Price, Find Details and Price about Cast Iron Ci Body Wafer Butterfly Valve Rubber Seat/PTFE Liner Wafer Butterfly Valve from Flow Control Sanitary Control Manual Operared DN50 2507 Disc Center Line Pn16 Pn10 Cl125 Cl150 . Tests have shown a useable control range of between 15 percent and 70 percent of travel, compared with the 25 to 50 percent for a conventional butterfly valve. C&C's breadth of . They are also often used to control the flow liquids that may also contain a certain amount of suspended solids, called a slurry. Wafer Butterfly Valves - Selas Models WBV-MANUAL, WBV-CMAP, WBV-CPAP. FLOW CONTROL DIVISION COOKEVILLE TN 38502-2609 UNITED STATES OF AMERICA. C901 - Max Rate of Flow Control Valve 2 - 36 inch (50 mm - 900 mm) Submit RFQ Jamesbury butterfly valve, series 800. It may be used for on - off applications as well as flow modulating. If flow loss is not an issue, then butterfly valves are excellent for controlling flow and pressure. So, the best control valves are those designed to provide a linear relationship between "% open" and "% throat area." Generally, a butterfly valve is not consider a flow control valve, and is best used as purely open or purely closed. The disk is generally operable through 90 degrees, so they are sometimes called quarter-turn valves. A complete butterfly valve line to provide optimal performance. Small, so it has better flow control characteristics. It includes resilient seated valves for long service life and bubble tight shutoff; high performance valves capable of temperatures from . When the butterfly valve is in the fully open position, the thickness of the butterfly plate is the only resistance when the medium flows through the valve body, so the pressure drop generated by the valve is very low. The BYV Series features a revolutionary hand lever with 19 lockable stop positions and 360 degree interlocking splines. INQUIRY. SizeDN50-3000. Key . The flow characteristic of a butterfly valve is determined by the disk profile and most of the butterfly valves have a linear flow characteristic. The disc closes the valve bore in its closed position, while in its open position, it is angled perpendicular to the flow direction to allow flow. Ideal for precision throttling and on-off applications, especially in lighter-weight piping systems, the Flowserve family of butterfly valves is often specified for its versatility. The recovery factor for a butterfly or ball valve is generally poor compared to a . flow is covered at 10% opening is not true. Jamesbury Wafer-Sphere high-performance butterfly valves combine unique off-center disc, proprietary seat design and Xtreme sealing technology. Please note that a CV value is not a linear progression so it cannot be extrapolated out just by looking at the values, it is really just meant to give you a comparison flow rate. Automated Butterfly Valves - Series 41 The Series 41 offers bidirectional, zero leakage, shutoff at full rated ANSI Class 150 operating pressures. Below are some of the actuator accessories available with Titan Flow Control's butterfly valves. Although both valves have the same flow capacity (CV), the graph of flow through the butterfly valve (red line on the left hand graph) looks quite different than the graph of flow through the globe valve. Another benefit of butterfly valves is that they are smaller than ball valves, which is useful for projects that need to minimize space. Butterfly valves belong to the quarter-turn rotational motion valves family and are used primarily to stop, regulate, or start the flow. 1351, 1352, 1353). The opening and closing of the valve requires no external power source (electric, pneumatic, or man power), it is done automatically, hence its name. However, we do not recommend doing this, as it can damage the valve disk and have a negative effect on the sealing properties. A 90-degree turn of the valve will position the ball's hole in line with the flow direction, and the reverse will completely shut-off the valve in the closed position.

Telephone: +61 8 8262 8885. High Pressure Butterfly Valve Stainless Steel for Flow Control, find complete details about High Pressure Butterfly Valve Stainless Steel for Flow Control, butterfly valve stainless steel, butterfly valve high pressure, butterfly valve for flow control - FLOWX Valve The Oyster butterfly valve compact series features the patent Clamshell clamp system, widely acknowledged as the most compact, hygienic and user-friendly stainless-steel flow control valve on the market. A butterfly valve is a rotary valve in which a disk-shaped seating element is rotated 90 (quarter turn) to open or close the flow passage. Butterfly valves should normally be mounted with the spindle horizontal since this allows debris in the pipe invert to be swept clear as the valve is closed. In operation, the valve is fully open or closed when the disc is rotated a quarter turn. 143, Daejeojungang-ro 286beon-gil,Gangseo-gu, Busan, Korea(46702) The ultrasonic flow meter is down stream of the butterfly valve. Pneucon Double Offset Butterfly Valve design is the most common type of rotary valve and provides low weight to Cv Ratio, Combined with simplicity of design and comparatively low cost. large flow, thick slurry and suspended particles of fluid flow regulation. Quality The Fisher Control-Disk model Butterfly valve is a latest advancement from Emerson. API 6D VALVES, FLOW LINE FITTINGS & OILFIELD SOLUTIONS. Butterfly valves are quarter-turn rotary motion valves used as throttling valves to control flow through a system. Tight, long-lasting sealing, and yet light and low-cost design makes it a good alternative to gate valves and other heavier rotary-type designs.

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The opening and closing mechanism allows and restricts the flow of a medium between an upstream and downstream pipe. INQUIRY. Compared to the industry standard Globe Valve, this design has improved control at lower flow rates, better range-ability, higher flow capacity, reduced noise and vibration, and all at a lower cost. We offer wafer and lug butterfly valves in a range of sizes, performance ratings, and actuation options. Butterfly Valves - CNC Flow Control OILFIELD VALVE & FITTING INDUSTRY Toll Free: 844-398-6449 Home About Products Service & Support Resources Contact Visit the Canada site. $325.84 pkg. The "butterfly" is a metal disc mounted on a rod. Load More Products Note: Product availability is real-time basis and adjusted continuously. Outstanding throttling accuracy for process control is achieved . 316SS Stems are standard. Given its name, you can easily visualize a thin metal disc that "flutters" about a fixed axis (stem assembly). Cv vs Angle Closure Curve Values Table Add to Order. All have sanitary quick-clamp fittings for easy disassembly in systems that require frequent cleaning. WhatsApp : +86-17317982006 E-mail : sales@flowxcontrol.com Please complete this inquiry form We will send more information to you. The valve opens and closes by turning a disc 90 which can be performed manually or remotely using a pneumatic actuator. SEND. The effective control range of this new valve is very near to that of a globe valve. Butterfly valves offer several advantages including quarter-turn, openness for less plugging, and good control capabilities. Hayward's vast range of pnuematic and electric actuators are the perfect compliment to the BYV Series. Liners and seals available in VITON, EPDM or Nitrile materials. When the valve opens, the disk is rotated back to allow the flow. However, this is not suggested because it can harm the valve disk and compromise the sealing characteristics. The "butterfly" is a metal disc mounted on a rod. They are used in throttling service, particularly where large-size valves with automatic actuators are required. Design Advantages Unparalleled Range-Ability w/ Equal Percentage Flow Controllable Range 5-85 (Rangeability up to ~600:1) When this rod rotates the disk by 90 the butterfly valve opens or closes. At Siemens, we continuously challenge ourselves to improve butterfly valves to exceed hydronic system demands with improved performance, efficiency and value. For example the energy sector, the marine sector, the process industry, water applications, chemical applications etc.

Variant: N/A - Wafer type from DN25-600 and lugged type from DN50-400. Butterfly Valves: Resilient, High Performance, Triple Offset | Bray Butterfly Valves Resilient Seated, Lined, High Performance, & Triple Offset butterfly valves engineered for reliable performance in the most demanding applications. When the disc is perpendicular to the centerline of the pipe, the valve is at a closed position. Application mediumwater, oil and gas. Butterfly valves are relatively simple devices, with the valve disc rotating to control the flow of fluid. Lug-Style Butterfly Valve, Cast Iron, 200 psi, 6" Pipe Size. Inspection StandardAPI 598, ISO 5208, EN 12266. A butterfly valve is used within a processing line and can be in two states. Masoneilan High Performance Butterfly Control Valves Applicable Industries. As one of the best Butterfly Valve companies in China, FLOWX designs and supplies unique Butterfly Valve for your industry.