The butterfly valve also includes an anti-static pin spring, eliminating the possibility of static discharge. Choosing which type of actuator to mount on the butterfly valve depends on the specific needs of your system. << Download here, Apply to become an official protected distributor. howrah Nickel Aluminum bronze butterfly valves are corrosion resistant valves for seawater piping systems. Automated Valve Packages <<979C6EE41670D9499A2252C745E97A4B>]>> 0000002218 00000 n
Dead end service means the valves downstream flange is removed. These cookies will be stored in your browser only with your consent. Butterfly Valve Types by End-Connection Styles, #3 Flanged/Double Flanged Butterfly Valves, #2 Metal Seated (Stainless steel 316L/Inconel seats), Zero Offset/Concentric Disk (A609 Type A), Butterfly Valves According to Mode of Operation, Hydraulic piston and cylinder or hydraulic actuator butterfly valves, Butterfly Valves According to Application Specifications. On the other hand, fire seated valves are manufactured with an extra layer of protection.
xref Specifically, the austenitic to ferritic part is about 50-50, composing of increased levels of molybdenum and chrome. Download our 2018 product overview catalog or call us to request a copy. The images show the design difference between a double and a triple eccentric butterfly valve (respectively at the left and right side of the diagram). flange valve butterfly pn20 flanged double pn10 blind spectacle dn250 asme b16 a516 cf8 a351 astm
For carbon steel butterfly valves, the most popular grade for body material and disc is the WCB and LCC Steels. Plus, they are more suitable for handling large industrial valve applications as compared with globe, gate, plug and ball valves.
A lugged valve has the ability to maintain a reliable body connection even without a downstream flange. >> Basically, the alloying content for chrome, nickel, molybdenum are varied by percentages to produce specific structures and properties. Required fields are marked *. /Domain[0 1] This category only includes cookies that ensures basic functionalities and security features of the website. Body material selection can be based on what type of fluid is to be shut-off, the temperature and pressure of the medium and system. Butterfly valve manufacturers usually labels valves according to their maximum pressure and temperature. Most Common types of Stainless Steel Butterfly Valve, Dimensions Schedule of PN16 Butterfly Valve, Stainless Steel Butterfly valve Constrution, Petro- Chemical, Oil & Gas, Purity & Some Marine & Industrial. You may also choose from sizes 2 to 60 in. In the second offset, the shaft axis goes off the center of the pipe. Recommended body material: carbon steel, stainless steel, Hastelloy. The valve looks like a butterfly with its outer loops to hold the valve tight in place. startxref >> There are different types of valves and Suraj Metal Corporationmanufactures all different types such as the Stainless Steel lug butterfly valve and other types. The stainless steel butterfly features a investment stainless steel body and disc. Butterfly valves API 609 can be classified according to their offset design. Butterfly Valve Types: A Comprehensive and Updated Guide, different types of stainless steel butterfly valves material, Top 10 Best Butterfly Valve Manufacturers in 2020, Pressure for the same valve at different application. We have in-stock high quality and superb-performance Flowseal and Bray butterfly valves equivalents, but we also cater customized butterfly valve design specification according to your countrys application standards. /FunctionType 4
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xbba`b``3 1x0@ N Concentric Disk butterfly valve are suitably designed with the following points: The Double Offset or Double Eccentric Valve is a high performance butterfly valve which is designed with two offsets of the stem. But opting out of some of these cookies may have an effect on your browsing experience. There are many types of stainless steel from 300 to 400 series, but 316L is preferred for butterfly valve. % Electric-operated butterfly valves can be operated manually, semi-automatically or automatically. Ball Valves While WCB high performance butterfly valve is used for high temperature applications, LCC valves or cast steel is used for low temperature services. Specific gravity, viscosity, material content, composition (gas sieve service). As a supplier of the valves, we produce different types of valves such as the Stainless Steel flanged butterfly valve and other types. 0000003252 00000 n A distinct feature of a butterfly valve is it can cope with high-pressure recovery, but can only accommodate low-pressure drops. } !1AQa"q2#BR$3br 5 0 obj << Recommended for Class 150 to Class 600 Rating. Basically, the most popular there is are the wafer and a semi-lug and lug type valves, but theres also the flanged butterfly valve and butt welded type. On the other hand, Stainless steel butterfly valves can be used in processing corrosive substances as they have a higher resistance to corrosion than inconel. 2 0 obj
For this application, a lug style butterfly valve should be used. hbbd``b`$A,} It is lightweight and corrosion-resistant. 60 0 obj
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Solenoid Valves Depending on the need of the applications and the mechanical properties, the steel grade differs. 0000001329 00000 n
The force of the fluid over a pipe changes the pressure in the system, creating an impact on the spring force of the hydraulic actuator. 
/BitsPerComponent 8 Stainless Steel Butterfly Valve [Series 1400], STAINLESS STEEL BUTTERFLY VALVE [SERIES 1400], Ask a Question or Request Customized Quote, Series 1400 (RTFE & Stainless Steel Butterfly Valve Body), Click here to fill out our distributor application. 1 0 obj Knife Gate Valves endstream
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This helps provide a tighter seal. This butterfly valve is also designed with an anti-static pin and spring to eliminate any possible static discharge due to the isolation of the stem and disc from the valve body. We will
When the butterfly valve body is scratched, for example by small metals that are not sifted in the preliminary processing stages, the chromium content battles with oxygen so as to prevent it from rusting. Nickel alloy butterfly valves are one of the strongest and most versatile types of valve. /OP false ? However, this type of valve comes with a higher price but with greater promises as compared with other types. You can use this type of valve as shut-off device because of its installed gear box which functions to control the disc in varying positions. Furthermore, the molybdenum content helps resist pitting. Hence, different types of stainless steel butterfly valves material respond to different applications but distinct features such as corrosion resistance and machinability are universal for all stainless steel types.
Cannot be used in conjunction with corrosion resistant piping applications. Double Flanged butterfly valves are used for controlling, regulating and throttling flow.
Basically, austenitic stainless steel valves are used for low temperature applications such as in cryogenic processes.
Generally speaking, butterfly valves are advantageous in terms of weight, cost and space.
There is also a limit switch that controls the automatic operation of the valve: Pneumatic actuators are used to operate these types of valves for shut-off pipelines. Duplex stainless steels butterfly valves can be available as wafer style or lug style, with a soft seat or metal to metal seat. 6 0 obj return non inch valve dual plate check type wafer
International Organization for Standardization. xb```b``Qg`f`daf@ n0x0CeC,; ; Y@jUga0v@B&$0
ViN 2p1qD5I; endobj Some pertinent valve specifications to ask the manufacturer are as follows: In addition to that, as a designer or engineer here are some things you should look into before choosing a butterfly valve type: Butterfly valves are suitable for large volumes of liquids and gases, but not for fibrous suspensions and dry bulk solids as they can erode the valve body. Toll Free: 1-866-825-8672 | sales@valtorc.com. 0000003375 00000 n For this reason, Inconel butterfly valves are used for applications requiring heavy duty seats such as in handling bulkier fluids. This type of valve has the highest strength-to-weight ratio as compared with other metal valves. 0000001014 00000 n
As the stainless steel material is a combination of iron, nickel, chrome (10.5%) and sometimes Molybdenum, it possesses both strong acid endurance and strength of steel. The Stainless Steel 316 butterfly valve is made up of the 316 grade material with molybdenum, chromium and nickel in the composition. Nickel helps in maintaining a face-centered cubic (FCC) structure in stainless steel at very low temperatures preventing unwanted transformation to body centered cubic (BCC) arrangement.
0000003297 00000 n Click here to fill out our distributor application. 48 0 obj <>/Filter/FlateDecode/ID[<054DC4AD8A3E9C6911740011DB9B0320>]/Index[35 26]/Info 34 0 R/Length 70/Prev 27120/Root 36 0 R/Size 61/Type/XRef/W[1 2 1]>>stream Huamei is an OEM/ODM China manufacturer and exporter of high performance butterfly valves. Stem sealing is accomplished by utilizing the seat as the primary seal. Your email address will not be published. >> Also, the wetted parts should be compatible and in contact with the fluid being measured. Please feel free to contact us. the eccentric butterfly valve (double offset and triple offset): have one or more stub shafts (stems) which are located in anoffset position from the center of the valve. Stainless steel butterfly valves specialize in corrosive piping applications.
35 0 obj <> endobj
Pictures on our website may differ from actual product. Double Flanged Butterfly Valve has a flanged body and raised rims to allow its installation between two flanged pipes with the same dimension as the valve. Necessary cookies are absolutely essential for the website to function properly. 4 0 obj It can be through a packing from a pneumatic actuator, an electric motor, a solenoid or a hydraulic piston and cylinder. The back up ring keeps the seal stationary. /Width 409 Reinforced Polytetrafluoroethylene (RTFE) or reinforced PFTE or reinforced Teflon is a valve seat material which is blended with filler compounds to provide additional compressive strength and prevent abrasive wear. Available with stainelss steel lever handle, stainless steel gearbox or direct mount stainless steel pneumatic actuator. SW, The butterfly valve symbol in P&ID diagrams is shown in this image, A concentric butterfly valve (left), a double offset butterfly valve (center), triple offset butterfly valve (right). Butt welded butterfly valves are directly welded in the pipeline for high pressure applications. Only the upstream flange provides the right amount of pressure while in service, but generally, a lug style used in dead end service should have a lower pressure rating. /ColorSpace/DeviceGray Seat designs for high performance butterfly valves can be varied depending on the application and budget. endobj Hence, depending on your application, it need not be opened more than 60 or 70 angular degrees from its closed position. Nickel aluminum bronze is a composition of 10% aluminum, 5% iron and 5% nickel.
trailer [/Separation/PANTONE#20Red#20032#20U/DeviceRGB 2 0 R] So, it would depend on the application of the butterfly valve when you choose between inconel and stainless steel. Handling temperature ranges from -100F to +450F. So during plastic deformation at freezing temperatures, the FCC structure presents the material with a suitable amount of ductility and toughness for cryogenic applications. This may be dependent on the amount of torque needed to open and close the valve or the speed at which it must operate. In this guide, we have classified butterfly valves into many types as summarized below. endobj lined plastic diaphragm valves kdv valve Gate & Globe Valves We also use third-party cookies that help us analyze and understand how you use this website. %%EOF You also have the option to opt-out of these cookies.
It is mandatory to procure user consent prior to running these cookies on your website.
Wafer butterfly valves have a flexible seal that protects the system from backflows which occurs when bi-directional pressure occurs. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. In this guide, we will run through some basic features and know-hows of the butterfly valves before we dive right in to its different types. Used for applications not exceeding Class 150 rating (120C), which depends on the seal material. The movement is calculated with a specific cone profile to address shut off of high pressure applications.
High pressure valves are also available for piping applications requiring high pressure. (Online Form), New! Overall, you can use butterfly valves in a wide variety of industrial applications for throttling, flow control, and pressure control purposes. Hence, they are not automatic. %&'()*456789:CDEFGHIJSTUVWXYZcdefghijstuvwxyz << If you are looking for the strongest industrial butterfly valve, Titanium alloy valve makes it at the top of your options. (((((((. Your email address will not be published. By clicking Accept, you consent to the use of all our cookies. The butterfly valve opens when the pressure of the fluid is higher than the set value.
<< /Subtype/Image These types of valves use an electric actuator for operating the valve in an open and close position. get back to you with 2 business days. These types of valves are manually operated through a hand-wheel or crank. Sizes may range from 2 to 60 in and can generally accommodate saturated steam at 200PSI and 450PSI. %PDF-1.3
Generally, there are two types: soft seated and metal seated. Fusible Link Valves For duplex stainless steels, there is a balanced structure between the FCC and BCC arrangement of material component. The following are some of the materials available for butterfly valves. The FCC structure have more slip planes as compared with BCC structure, making it more flexible for relieving compressive stresses. 556 0 obj <> endobj endobj hb```f``b`a`Pbe@ ^&(GC The combination of these feature make this series of valves and excellent and ideal choice for applications in aggressive atmospheres and harsh wash down situations - often incurred in food plants. Generally, there are three designs for offset designs available: Concentric disk valves have their seals line against the edge of the elastomer lining which ensures tight shut-off. Furthermore, due to our growing inventory, development and design of new products our online catalog may not show models that have just been released. /Length 13359 Or just call us now. The maximum pressure in your system should be lower than the rated maximum temperature and pressure of the valve. Cannot be used for hydrocarbon application service. Sanitary Valves They are used in specific applications that require extreme resistance to fluid impact and high and low temperatures. Again, these types of valves can be automatically or semi-automatically operated. 556 13 This product is also furnished with an Anti-Static Pin and Spring, eliminating the possibility of static discharge due to the isolation of the stem I disc from the body by the seat and stem bushings. 0 @B+D:6``$@ t V Ball Valves /Type/ExtGState stream Check & Needle Valves Hydraulic actuators can be operated semi-automatically or automatically. /Type/XObject Feel free to contact us for quotation. Temperature capabilities ranges from -320F to 450F. This type of valve is used for heavy applications where its strength and rigidity can be benefited. It then closes when the downstream pipe needs to be bled. This is true especially when its function is to handle large amounts of liquids or gases at low pressure differentials, such as in a hydroelectric power plant MIV system. Butterfly Valves Either way, this type of valve is easy to handle and is more affordable than other types of valves. To name some of the organizations providing these standards, here are some listed below: Butterfly valves are recommended for large volume applications of fluids for flow control control and in some cases, throttling. /Type/ExtGState There are different sizes of the valves depending on the input and output sizes and diameters. An individual hole allows installation of two sets of bolts without a nut. Pneumatic Valves can be used for throttling or as throttle butterfly valves. These valves have the same basic features as the standard series 1400 valve, but incorporates RTFE CoatedStainless Steel Bushings, Stainless Steel Q-Pin Retainer Plate, and availableStainless Steel Lever Operator,Stainless Steel Gear OperatororDirect Mount Stainless Pneumatic Actuator. They can also be fire-proof seated butterfly valves. endstream endobj startxref As compared with PTFE, reinforced PTFE butterfly valve can be used for high pressure and temperature applications.
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/Height 465 The combination of all these features (make this series of valves an excellent choice for applications in Aggressive Atmospheres and in Harsh Wash down Situations often incurred in Food Plants. A high performance butterfly valve is a quarter-turn valve which consists of metal disk rotating about the circumference of a circular pipe. (Online Form), Investment stainless steel body and stem design, Designed with RTFE coated stainless steel bushings, Stem sealing by utilizing the seat as a primary seal, Double O-ring design isolates top bushing, Anti-static pin and pring eliminate static discharge, Available stainless steel lever, gearbox or actuator, Seat materials include: NBR, EPDM, Silicon and Viton, RTFE and stainless steel bush with stainless steel spring pack.
Since this type of valve does not have holes for bolting, flanged pipes with bolts secures the valve body to its place.
These valves can be used in corrosive and marine environmental applications. These valves are designed for a unidirectional flow of fluids inside the pipelines. Also, they can withstand high temperatures than stainless steel. When you choose a butterfly valve, check the rating. Stainless Steel wafer type butterfly valve is a type of valve that has bidirectional pressure management mechanisms. Home Valves Butterfly Valves Stainless Steel Butterfly Valve [Series 1400], Product Description, Dimensions and Specifications PDF.
Industrial Valves Also, it should be considered if the system needs automatic actuation or can simply be mechanically actuated. Hence, with this configuration, it is pretty easy to disengage one area of the pipe without removing the whole valve installation. With the triple offset design, sliding between the seat and disk can be eliminated. The lug butterfly valve has threaded lugs or inserts around its circumference that permit for bolt passages.
The lugs provides an easy way for alignment of the two flanges sandwiching the lug valve during installation. /Length 62 A certain pressure range is set in the system. It is one of the most reliable solutions for large plants and applications.
Huamei offers this type of valve in wafer and lug. Sizes range from 1.5" to 12.0" in both Wafer and Lug. Investment cast, stainless steel butterfly valve is available in wafer and lug style types. This website uses cookies to improve your experience while you navigate through the website. Cannot be used for undemanding water transports. These cookies do not store any personal information. Plus, PTFE lined seat has a low coefficient of friction which makes it ideal for low torque applications. It is considered as one of the most resilient seated valve design for dead-end service. 568 0 obj <>stream Lined valves are economical for corrosive services, but prone to damage of the lining (especially around the shaft penetrations) leading to consequent rapid corrosion of the body. What are the International Standards for Choosing Butterfly Valve Types? The wetted parts in a valve should also be known. The Stainless Steel 304 body butterfly valves are less resistant to corrosion but have good strength. Since it is nonreactive, resilient or soft seated PRFE butterfly valves can be used for food manufacturing applications. Plug Valves Carbon steel is a combination of carbon alloy and iron.
stream In this type of valve, there is a combination of the double offset design and an additional offset of the disk seat axis. We use cookies to enhance your experience in case of repeated visits. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Recommended for use in Class 150, to Class 600 Rating. Due to continuous development of our product range, we reserve the right to change the dimensions, pictures and information contained on our website and product catalogs. D << /Type/ExtGState A distinct feature of this valve is in prevents biofilm formation. As such, you can easily operate the valve remotely. Soft seated butterfly valves uses rigid PTFE (teflon) and are generally lower in price than metal seated. Valtorc International introduces a new line ofbutterfly Valvesfeaturing an Investment Cast Stainless Steel Body and Disc. Butterfly valves are also available in many types of materials and combinations of materials for the body, disc and seat. n`` C;b >f(&rGDIh3jjjAJzvB %PDF-1.4 % 0000003008 00000 n Stainless steels can be austenitic, ferritic or martensitic. endstream endobj 557 0 obj <>/Metadata 29 0 R/PieceInfo<>>>/Pages 28 0 R/PageLayout/OneColumn/OCProperties<>/OCGs[558 0 R]>>/StructTreeRoot 31 0 R/Type/Catalog/LastModified(D:20111115082639)/PageLabels 26 0 R>> endobj 558 0 obj <. Elastomer should be vulcanized to the body. The main purpose of Wafer Butterfly Valves is to maintain a unidirectional pressure or positive pressure. 0 There are different grades of materials that are used to produce these valves. 0000001518 00000 n