These are the first things to be aware of. In selecting the structure and performance of the industrial ball valve, it is necessary to consider . Temperature of the flow media and the operating environment is another factor to be considered. Larger sized E-mail: webmaster@electric-ballvalve.com +86-13808414262 +86-731-82788880. The two main things that affect the valve material selection are the strength of the valve and the corrosive media going through the valve. Ball check valves, flow control valves, pressure relief valves and pressure regulating valves all use ball and seat combinations to perform their functions. Ball valve problems and Material selection also describe in this paper. They typically assume the only information they need is: Size of the opening. A guide to provide insights for common applications and basic material compatibility. Virtually all construction materials used in KITZ brand valves are manufactured in-house, based on our policy of integrated production from materials to finished products. For trunnion ball valves seat code numbers see catalogue. Material PN Verfgbare Gren Datasheet; BKH/BKHP500 2-way ball valve with threaded connection: Steel: 250 - 500 bar: DN4 - DN25 . Carbon steel has high and low temperature strength, is very tough and has excellent fatigue strength. Note: Australian Pipeline Valve seat code shown is for floating flanged ball valves. The hole is referred to as the port or orifice and, when opened, it aligns with the valve body to permit flow. ), additional seal materials may be available, so consult with a valve supplier to find the correct seal based on performance, compatibility and price. A ball valve features a spherical disc to open and close the flow of the fluid. These guidelines are intended to cover all physical features and capabilities or limitations of different types of valves and which may be suitable for one particular application. The usage of 316 SS, duplex, and its families shall take into account a chloride content of the service fluid . Tel: + 86-577-86373155 Application Guide. Iron as a valve material provides high performance to offset the cost. Three-way, mixing or diverting. Valve materials are selected for both durability (long-term operation) and compatibility with the gas being handled.
. Stainless Steel. Costly mistakes can be avoided the more information about the . Read More How many types of valves in plumbing? BALL VALVE SELECTION GUIDE BRAY.COM/FLOW-TEK 3 PIECE BALL VALVES TRIAD Full Port " through 4" Firesafe - API 607 Standard Port " through 2" Designed in accordance with ASME B16.34 Materials Stainless Steel & Carbon Steel Pressure Ratings Full Port: 2200 psi WOG Standard Port: 2200 psi WOG FP & SP: up to 425 psi WSP The material of each valve part must be deliberately selected. The products are strictly in . This guide should only be used as a starting point in your selection process. The upper and middle packing is made of PTFE or nylon, and the lower packing is made of 1Cr13, 1Cr18Ni9 and A3 steel. Table 9.8 presents the wide variety of spring materials available, from music wire to Inconel. This Balon "Media and Application Guide" provides assistance to the engineer in selecting the best material for a particular service. The ball is contained within the valve body and is held in place by two cup shaped seals commonly referred to as seats. Also remember that pressure and temperature impact one another considerably. Strength in a valve is its ability . Fluid Media (Oil,Gas,Chemicals,Edible product,syrups,Hot water, steam,etc.)
Matching connections or hole patterns. Can be forged or cast, with forgings being superior especially for larges sizes in very high classes. Colour: White. Split Body Ball Valve Design - This is also known as a 2 piece or 3 piece ball valve and . Determine the Application Criteria. A cryogenic valve is supposed to work for long periods of time with cryogenic media and under low temperature. Maximum operating pressure of a 2-inch ball valve can be 250 psi at 70F, non-shock. Cavity filled seats are standard on our sanitary line of ball valves in both two and three way. X - Generally unsuitable under any condition. Stainless steel. This has inherent strength and minimises leak paths. easiest to ignite. Technical Requirements and Material Selection Standards of Cryogenic Valves. Technical G.A drawing of a V port ball valve, trunnion mounted with RF flange ends. Valve design and selection of materials are key factors when determining the different oil and gas media applications of valves.
A ball valve is a quarter turn valve that uses a ball with a hole drilled through it to control the flow of media. Inert to most chemicals, low coefficient of friction,recommended for water, foodstuff and corrosive chemicals. They are typically used for basic on/off service. End Connection: Valve model number indicates end connection type. Valve design and selection of materials of construction must account for these types of media characteristics. FDA grade. "The selection of the material used in the design of the valve depends largely on the service condition of the valve and most importantly, the manufacturing company. Many manufacturers will provide integrated valve and actuator combinations, for example, motorized ball valves. Solutions. In the smaller sizes, solenoid valves function as control valves. Similar to 15% glass filled PTFE seats but better resistance to wear and deformation under load. But in reality, valve suppliers need more information to accurately select the right valve for the application. C - Generally a moderate to severe effect. Ball valve online selection! Trunnion mounted ball valve body material: WCB, WC6, WC9, CF8, CF8M, CF3, CF3M, etc. Also known as proportional V-ball valves, these have a motor that adjusts and regulates flow in applications with higher flow rates and pressures than solenoid valves. Also see the dimensional data sheets for RF flanged type and wafer type respectively. See more specifications of trunnion mounted V port ball valves. Flow type required: Two-way, equal % or modified linear. Castings are usually the first choice in standard sizes and ratings. Different ball valve types use stainless steel as one of the important materials in their design since it contains many positive characteristics such as durability and corrosion resistance. Some ball valves & plug valves used the non-metallic seat for non-critical services. Zone, Oubei Town Wenzhou, Zhejiang, 325105 P.R.China. Jul 23, 2019. You can use 316 SS up to 300 psid and about 600F. Most flow control valves will require stem seals. Pipeline valves are the largest, heaviest, and most important valves on an offshore platform with long delivery time. . Find Ball Valves on GlobalSpec by specifications. The first step in valve seal selection is determining the type of seal or seals required (Figure 2). . MATERIALS BALL TYPES VALVE - SOFT PARTS OPERATOR SIZE SEATS STEM SEALS BODY SEALS inch mm NPT MPT100 MPT365-355 TRI-CLAMP MPC100 NPT FULL MPT15 CLAMP FULL MPC15 . Generally speaking, the valve packing materials are mainly PTFE and flexible graphite, be noted that the packing box . . BALL VALVE SEAT/SEAL SELECTION GUIDE STANDARD BALL VALVE SEAT SELECTIONS Material Technical Description Typical Colour Approx. Ball valves with stainless steel can be used in geochemical systems and general plant system. Table 1 presents the four main seal material options available from valve suppliers.
Ball valve material selection guide. Different quality control methods and approaches are briefly explained. . BALL VALVE SEAL MATERIAL SELECTION; ELASTOMERICs, THERMOPLASTICs . Basically valve manufacturing process start from raw material selection to manufactured valve tested and after used in real world. Rotate a disc or ellipse about a shaft extending across the diameter of an orifice (for example, a butterfly or ball valve). 03/03/2022. A - Generally should give satisfactory service with no adverse effects. All conform to ANSI standards. A ball valve is a shut off valve that controls the flow of a liquid or gas by means of a rotary ball having a bore. Use only when nothing better is available. All thermoplastic material operating pressure decreases as temperature increases. 1Low flow resistance, full port ball valve has almost zero flow resistance. Process Temperature. The top entry design provides advantages such as a lower risk of leakage, greater mechanical strength against pipeline loads, and ease of maintenance (online maintenance) compared . The below ball valves material selection is for information and indicative only. For this reason they are referred to as shutoff valves, isolation valves, or stop valves. Valve Standards - International standards for valves in piping systems. Home; Products . Stainless steel (300 series) 1. There are several standards that influence the design and performance of ball valves. They are the industry standard for pipeline shut-off applications, as their design guarantees very tight and leak-free sealing even after years of operation. VIRGIN PTFE. We have a wide selection for you to choose from, including a full line of DuraChoice products. In addition, special ball valves such as three port or three way ball valves are also explained in this chapter. Explore Now . The trunnion mounted American standard ball valve usually uses rubber, nylon and Teflon as the seat seal material, so its use temperature is affected by the valve seat.. Because of limitation of seal material. In pure hydraulic oil systems, the most common ball material is chrome alloy 52100 steel. stainless steel ball valve,duplex & super duplex steel ball valve,bronze & aluminum bronze ball valve and other special material ball valve.The sizes: 1/2" -60" (DN15-1500), pressure ratings: ANSI Class 150 - 2500 (PN20 -420), with flanged, welding or threaded ends. 25% GLASS FILLED PTFE. Generally, the selection of valve body material should consider several factors such as pipeline medium . These L port valves can be used as either a diverter valve or a selector valve. 04/05/2022. The table below can be used as a valve selection guide. Materials are listed in order from hardest to ignite to. They are operated with a simple 90 degree turn (qurter-turn) of a sphere shaped obstructor or . Triad offers a wide choice of soft seats and metal seated ball valves for a variety of industrial applications. The ball, shown in Below Figure, performs the same function as the disk in the globe valve. Common ball valve materials include brass, bronze, copper, cast iron, ductile iron, stainless and other steel types, metal alloys and plastics including PVC . Ball valves are used in situations where tight shut-off is required. Metal materials; materials are critical factors, such as material properties, creep, thermal expansion, oxidation resistance, wear resistance, thermal scratch resistance and heat treatment temperature, etc.
The DeZURIK Material Selection Guide is designed to be used as a guide in selecting the most cost-effective valve materials. A cryogenic valve cannot become an main heat source in . Valve manufacturers have developed several designs of combination valve seats involving elastomer and metal seats that are effective in achieving the desired leak tightness, which cannot be achieved only by metal seats. This material has 100 . Step 1: Operation Type. Flow velocity Careful consideration must be given to temperature, the presence of . Standards like API 641 (emissions for quarter-turn valves), API 607 (fire . Care must be used in the selection of the seat material to ensure that it is compatible with the materials being handled by the valve. Like all other types of valves, ball valves can be designed with a different type of material depending on its service condition," he adds. . See All Check Valve for Sale. All material that will be used in sour or corrosive application shall follow the limitation stated in the NACE MR 0175 standards. R-PTFE (R) 15% glass reinforced PTFE, suitable for temperature -50F to 450F, chemical resistance . Control Valves and Equipment - Sizing and dimensions of control valves . Tech Bulletin Page 188 - 18 Page 2 SPECIAL NOTES: Model Selection: See model selection choices, consult catalog or website for more information. Generally, as the temperature of the process fluid . Ball Valve is one of the most utilized types of valves in process industries and is widely used in tight shut off application. In the old days, 316sst . Ball valves are constructed by various parts. Motorized ball valves are generally installed in pipelines with fluids unde. We receive materials for more than 40,000 types of valve products that we manufacture in our own foundry, which is fully equipped with cutting-edge automated production . For information about the different sizes and styles of ball valves we carry at DirectMaterial.com, feel free to call us at 888-334-4339! Valve material can play an important role in valve selection especially when it comes to handling aggressive fluids, abrasive slurries, food products, and so on. 5-2 Stainless steel is specified for high temperature services (1000 degrees Fahrenheit and up) or in corrosive appli- . Another place where balls are widely used is in the plumbing of pneumatic and hydraulic systems. Upgrading the stem material from 13Cr-4Ni to 17-4 PH: 17-4PH (17Chromium-4Nickel) material is a martensitic precipitation-hardening stainless steel which provides very high mechanical strength. The valve you select needs to hold pressure and operate when needed and under a wide range of temperatures and pressures. In Industry 4.0 smart valve used for accurate action and very fast response. The materials on Bray International's web site are provided " as is ". Advantages of Ball Valve. Bray International makes no warranties, expressed or implied, and hereby disclaims and negates all other warranties, including without limitation, implied warranties or conditions of merchantability, fitness for a particular purpose, or non-infringement of intellectual property or other violation of rights. In addition, temperature can cause different materials to expand and . Competitors just market it as POM. At present, the sealing surface material of ball valves is widely used plastic, which has good sealing performance. . The ball valve can be operated manually, electrically, or . Ball valves are one of the most common valve types used in both residential plumbing and industrial processes. Sizing & Selection 5.
The pressure and temperature curves are different for PVC and CPVC. At a basic level, ASME B16.34, ASME 16.10 and others govern the dimensions and wall thickness (among other things) of most valves used in the refining and chemical industries. For instance, a diaphragm or check valves may not require stem seals depending on the valve design. Ball valves are not . One Piece Ball Valve Design - The ball is placed into the body through an entry in one of the pipe flanges and secured with a gasket forming part of the raised face. Forgings are used for smaller sized The valve design & material selection should negate the need for such a connection. Virtual Tradeshow. Ball valve material selection. Common valve seal material options. The design, material selection, and validation are all critical aspects of valve performance. Metso have a good guideline which may be available from their website T101-4-4/04 which explains material selection for their Jamesbury ball valve line. The IEEE GlobalSpec SpecSearch database allows industrial buyers to select ball valves by classification, performance specifications and additional features. They are characterized by a long service life and provide a reliable sealing over the life span, even when the valve is . According to working conditions, design requirements of cryogenic valves are listed below. structure. Care must be used in the selection of the seat material to ensure that it is compatible with the materials being handled by the .
Selection of Ball Valves . When using . . The user must fully evaluate the pros and cons of using a particular type of valve and arrive at the most suitable . normally found behind the ball and the valve body in conventionally designed ball valves, ideal for applications where cross contamination is a concern, such as food, paints and dyes. Search. PTFE can withstand high temperature 232, nylon 93, general pressure 32MPa, often used in corrosive media. Recommended Specs. Ball Valve Materials. For special applications (uncommon media, higher/lower concentrations, fluctuating/extreme temperatures, etc. Valve plates are available in various types of stainless steels and thermoplastics, as given in Table 9.7. There are a variety of conditions which can affect the material chosen. In this highlight There parts are considered as pressure-retaining parts including body, bonnet, bonnet bolting, ball, seat as . E-mail: export@reliavalve.com. However, this material has high risk of . The Valve Selection Method is based on some basic criteria. The final selection of materials however, requires the judgement of the user because it may be necessary to sacrifice certain physical properties of a material to take better advantage of others. And How to select the right valves for plumbing system?-Belo Valve for the selected material. This article will walk you through the ball valve selection process.
Ball Valve Seat Selection Guide. . If specified, this injection connection is integrated with a check valve to provide backup sealing, also a check valve is equipped at front of seat sealant injection to avoid . 1. . B - Generally a slight to moderate effect. Piping and valve material selection in offshore projects. They're often integrated into PLC systems for .
The two key types of ball valves are the floating and the trunnion designs (side or top entry). By rotating the ball a quarter turn (90 degrees) around its axis, the medium can flow through or is blocked. At a basic level, ASME B16.34, ASME 16.10 and others govern the dimensions and wall thickness (among other things) of most all valves used in the refining and chemical industries. Iron is a valuable material in the manufacture of ball valves because it can withstand a wide range of temperatures and pressures. Material Specification. For any service where carbon steel is already a marginal selection from a corrosion resistance perspective, avoid the stainless steel valves. API 600 & 602 gives the list of Trim . Table 4 materials selection. The following guidelines are provided to assist in selecting a suitable valve for any application. Iron is the most commonly used material in steam, water, oil, and natural gas pipelines. Below is a general guide. The valve gets its name from the ball that rotates to open and close the valve. Move a flexible material into the flow passage (for example, diaphragm and pinch valves). Delrin can withstand pressures of up to 6000 psi dependent on valve . Both the valve and actuator are made of 316 stainless steel for superior corrosion resistance. Seat Material Selection in Ball Valves Ball Valves can have either Soft seats or Metal seats. Considered as unsuitable. When selecting seats, always consult the pressure / temperature charts and corrosion resistant guide or contact the factory for engineering help. Ball Valves Actuator Selection Guide. 3Reliable tight seal. . 1. Class 150 cast iron/malleable iron TFE-seat 2-4 ball valves are less expensive than gate and globe valves whose rating and material are the same. This seat is very rigid and does not undergo cold flow. Soft seats are used for low temperature applications, typically below 200 deg C and Metal seats for High temperature applications up to 527 deg C. The selection of soft seats depends on the operating pressure and temperature of the ball valve. It is divided into two parts: the actuator and the valve body. Piping Systems - Dimensions of pipes and tubes, materials and capacities, pressure drop calculations and charts, insulation and heat loss diagrams. There are several standards that influence the design and performance of ball valves. Ball valves are quarter-turn, straight-through valves that have a round closure element with matching rounded seats that permit uniform sealing stress. Pneumatic Actuators Series 92/93. As you increase the intensity of the electrical signal, the motor opens the valve, moving a ball with a V-cut opening that proportionately allows more flow as the valve opens. The simplicity of their design and the materials used to manufacture them make the valves extremely reliable. However, the wide range of operation, connection type, circuit function, housing material, and many other criteria make the valve selection process complex. Karan Sotoodeh, in A Practical Guide to Piping and Valves for the Oil and Gas Industry, 2021. 2Simple design, small in size and weight. Valworx 576300 air actuated all-stainless sanitary 3-way ball valves are typically used for food, beverage, pharmaceutical, personal care and pet care applications where 3-A sanitary construction is required. For medium-pressure B-grade (0.2MPa) transmission and distribution pipelines, it is recommended to use . A pipeline valve is either a ball type or through conduit gate valve type with a top entry design. MATERIAL SELECTION GUIDE - 3 PIECE VALVES Tri-Star Series 3pc 1500 WOG Model Types - Full Port: Tri-Pro Series 3pc Fire Safe 2250/3000 WOG Model Types - Full Port / Standard Port: .
Different Ball Valve Body Designs. Shape of the opening. A ball valve is a rotational motion valve that uses a ball-shaped disk to stop or start fluid flow. For high ionic strength, well oxygenated untreated water, or where the water is hot and contains a lot of chloride, avoid using the stainless steel valves, and consider whether or not carbon steel pipe is the right choice too. 5. Ball: All ball material is supplied standard to 316SS. The seat material selection maily depends on pressure rating and temperature. Copper, copper alloys, and nickelcopper alloys - most resistant. Contact Us. Standards like API 641 (emissions for quarter-turn valves), API 607 (fire testing . Zhejiang Relia Valve Co., Ltd. Sanqiao Ind. Depending on the seat materials of the valve, two types of ball valves are found; . This material is widely used for carbon steel body valves in the onshore sector of oil and gas. Resistance to Ignition in Oxygen. ball valves are less expensive than gate and globe valves. The same schedule 80 PVC ball valve will have a max pressure of 130 psi at 145F. Due to these inherent hazards, process system design and control valve material selection are important. The seal type required will depend on the type of valve and the valve components requiring sealing. ValVe Selection Guide | 3 FlanGed Ball ValVeS F15 & F30 SerieS Body 2 Piece Full Port " through 12" Materials Stainless Steel & Carbon Steel Pressure ratings F15: ASME Class 150 F30: ASME Class 300 Features include live loaded Smart Stem seals through 2", anti-static protection and locking safety handles. Mainly used in gate, globe, and check valves for applications up to 454C, and in one-, two-, and three-piece ball valves. Available stack-up height. Class 150 Gr.304SS TFE-seat 4"or smaller-dia. Materials Selection. Safety Manual. According to the working pressure of the gas pipeline, reasonably select the valve body material, which can not only meet the safe operation of the pipeline, but also achieve the purpose of reducing the cost and making the best use of it. Ball valve selection. Different components of a typical ball valve with the possible materials have been reviewed in this chapter. Seating designs for V port ball vlve: metal seated, soft seated, high-temp. Table 9.6 presents materials for valve guards and seats. Materials. Valves Material Specifications. The valve body can be cast, forged, wrought or fabri-cated. Creep and fracture are one of the main factors of . 06 21, 2017. Torque Adder DELRIN/ POM Delrin is one trade name for POM. 3/2-way selector ball valve for manifold mounting (pressurizable from all ports) Steel: 250 - 500 bar: DN6 - DN50 (1/4" to 2") MHA ZENTGRAF PK3-S Download Data Sheet: For V-Modulating Control V-Ball: add as a special feature. Nitronic 50 (XM-19) UNS S20910 (22Cr-13Ni-2MO) is a very common stem material for the 316SS body of both ball and butterfly valves. Usually several parts of the ball valve are exposed to pressure, process fluid, corrosion, and other effects of the service. The choice of valve trim material is largely based on service conditions (Temperature & Differential Pressure.) Corrosion will occur at in increased rate at higher temperatures.
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