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Valvulas 8 Metso Ball Valves.pptx
- 1. Neles® Metal SeatedBall Valves
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- 3. © Metso 3 Types ofBall Valves
- 4. © Metso Ball ValveDesign Full Bore vs. Reduced Bore • Full Bore - Internal diameter of flow path is equivalent to the attached piping. A 6” full bore valve would have the same internal diameter as a 6” pipe. - Also referred to as “Full Port” or “Line Size” • Reduced Bore - Internal diameter of flow path is less than that of the attached piping. The internal parts (ball,seat etc..) are typically one valve size smaller. A 6” reduced bore valve might have 4” internals. - Also referred to as “Standard Bore” or “Standard Port” 4 Reduced Bore Full Bore
- 5. © Metso Seat Supportedor Trunnion • The type of construction of metal seated ball valves can be split into two general categories, seat supported and trunnion mounted. - In a seat supported valve the ball is allowed to “float” and is held in place and supported by the seats. - The ball in a trunnion mounted valve is held in place and supported by bearings mounted in the body. 5 seat supported ball, used mainly for On/Off application due to higher friction trunnion mounted ball can be used also in control applications due to less friction Downstream Sealing Upstream Sealing
- 6. © Metso Date 6 -Seat Supported (Floating Ball) • The ball is supported and held in place by the seats. - Trunnion Supported • The ball is supported and held in place by two bearings (trunnions) in the body. • Starts at 10” 7150 – 8” 9150 & 6” 9300 Seat Supported Ball Trunnion Supported Ball Ball Valve Design Seat Supported vs. Trunnion
- 7. © Metso Seat Supportedor Trunnion • General Rules - Determining factors • Valve cost – Seat supported is less expensive than trunnion • Actuation cost – Trunnion valves require less torque, therefore smaller actuator, therefore less cost for the actuator • Application requirements – Some applications require one over the other » Double block and bleed – generally trunnion - Typical size ranges • ASME 150 and ASME 300 – Seat Supported up to 8” • ASME 600 – Seat supported up to 4” 7 Size Seat Supported Valve Torque (ft #) Trunnion Valve Torque (ft #) 3" 550 200 4" 1100 400 6" 3600 1000 8" 6800 2500 Approximate Torques for Metal Seated Ball Valve (750 psid)
- 8. © Metso Torque SafetyFactors for Severe Service Applications • Safety Factors for Open / Close Torques - Dirty / Sticky Medium 1.50 - Liquor Applications 1.50 - Coking 1.50 - Catalyst 1.50 - Delayed Coker 2.00 - Dry Gas / Superheated Steam 1.75 - Cryogenic • 0…..……-50 °C 1.25 • -50…....-100 °C 1.50 • -100…..-175 °C 1.75 • -175…..-200 °C 2.00 8
- 9. © Metso Ball ValveDesign Soft Seats vs Metal Seats 9 General Rules of Thumb for Various Process Conditions Soft Seat Metal Seat Low Pressure High Pressure Low Temp (<500°F) High Temp (>500°F) Clean Media Abrasive Media Bubble Tight Not Bubble Tight Low Velocity High Velocity On/Off Control
- 10. Jamesbury® Soft SeatedBall Valves
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- 12. © Metso 12 Series 5H ½”– 2” 3A/3C ½”- 2” Series 6F ½” – 3” Series 100 ½”- 2” Series 3000 ¼” – 2”
- 13. © Metso 13 Series 5H ½”– 2” 3A/3C ½”- 2” Series 6F ½” – 3” Series 100 ½”- 2” Series 3000 ¼” – 2” Xtreme® seats not available Flexible lip seat design except for Series 100 Bonnets are not ISO mount No live loaded stems Material options are limited Box quantities
- 14. © Metso ¼” –2” Platform Products 14 ½” – 2” 7000 ½” – 1 ½” 9000 ¼” – 2” Eliminator ¼” – 2” A-Style ½” – 2” Standard-Bore ½” – 1 ½” Full-Bore 4000 Series
- 15. © Metso Platform Products PatentedStem Seal • Tri-Seal: (3) Zones of contact promote tight sealing • Stem is fully guided so leak paths don’t form during operation • Fugitive emission tested to ISO/CD 15848 meeting Class BH requirements • Stem seal adjustments eliminated after thermal and pressure cycles 15
- 16. © Metso Platform Products Live-LoadedStem Seal • Corrosion resistant stainless steel washers store energy so stem seal accommodates more cycles without requiring adjustment • Compression plate design for ease of adjustment • Stem bearings manage thrust loads so there is no metal to metal contact 16 Bearings and Emergency Stem Seal Bellville Washers
- 17. © Metso 17 Platform Products PatentedStem Seal Offers Best Performance Typical stem seal cycle life Frequency of adjustment Seat leakage Apollo 2,000 - 6,000 Continuous None Xomox 20,000 - 35,000 Several None Kitz 3,000 - 3,500 Several 2,000 cycles KTM 40,000 - 70,000 Infrequent None Velan 500 - 5,000 Continuous ??? Stem broke Milwaukee 1,500 Infrequent None New Jamesbury Valves 200,000 - 700,000 Infrequent None
- 18. © Metso Platform Products IntegratedLinkage Designs for Automation • Linkage is all stainless steel for corrosion resistance and appearance • Coupling self aligns • Coupling is high strength 17-4 PH stainless steel for precise open & close position 18
- 19. © Metso Performance Benefitsof XTREME® • XTREME® provides improved seat recovery and material properties leading to: - Pressure-temperature rating capabilities formerly only achievable by our PEEK seat offering in Ball Valves - Pressure-temperature rating capabilities only achievable by Metal Seated butterfly valves for Wafer-Sphere® applications - Improved performance under pressure cycling and thermal cycling - Wide application range due to excellent chemical resistance - Lower permeability than filled PTFE resulting in less pores and a better molded surface finish - Material will match or exceed the chemical resistance of filled PTFE in any application - Operating torques are consistent with filled PTFE - Material abrasion resistance is consistent with filled PTFE material - FDA approved for repeat use in contact with food 19
- 20. © Metso XTREME® Achievement SeatRecovery Affects Sealing • Seat performance is optimal when the seat returns to its original shape after loading • Recovery maintains a tight seal • The amount the seat recovers determines: - Maximum pressure rating - Cycle life of seat • XTREME® keeps its original shape longer! 20 DISC SEAT BODY INSERT Seat Body Ball Flexure
- 21. © Metso XTREME® Achievement •Improved seat recovery = improved sealing + longer life • 2” 4000 Series with a 2500 lb. load • Improved seat recovery = improved tightness under pressure and thermal cycling 21
- 22. © Metso XTREME® Achievement •P-T Ratings for 4000 Series Model B and Eliminator™ Ball Valves 22 Temperature (F) 0 200 400 600 800 1000 1200 1400 0 100 200 300 400 500 600 Pressure (psi) PTFE MTFE XTREME® PEEK Pressure (Bar) 30 20 10 50 100 150 200 250 Temperature ºC Saturated Steam 80 70 60 50 40
- 23. Neles® Metal SeatedBall Valves
- 24. © Metso Neles® BallValve Offering • X-MBV - Seat supported or trunnion style - Full and standard bore - ANSI 150, 300, 600 • D series - Stemball, trunnion style - ANSI 150, 300, 600 • Ceramic - Reduced bore, wafer and lug styles - ANSI 150, 300 • S5 / S6 - ANSI 600 – ANSI 4500 - Barstock Valve • Y4 & MBV - Coker valves 24
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- 26. © Metso X-MBV BallValves - Product Offering • X-MBV ball valves handle a variety of liquids and gases, especially where high- temperature, high-pressure, or abrasion are problems. • Primarily used in chemical, petrochemical, power, and refinery applications • Seat Supported - Full Bore • ANSI 150 (XT) 1” – 8” • ANSI 300 (XA) 1” – 8” • ANSI 600 (XU) 1” – 4” - Reduced Bore • ANSI 150 (XB) 2” – 8” • ANSI 300 (XC) 2” – 8” • Trunnion Supported - Full Bore • ANSI 150 (XM) 8” - 16” • ANSI 300 (XG) 2” – 16” 26
- 27. © Metso X-MBV –Product Features • Splined ball/stem connection - Spline driver • Accurate operation • Maximizes torque transmission • TA-Luft live-loaded gland packing - Clean air act • Low noise Q-Ball® trim - Noise reduction of up to 20 dBA - Self cleaning and non-clogging - High capacity and rangeability 27
- 28. © Metso X-MBV SeatSupported • H seat - High Temperature Metal Seat - H-style seats are the standard offering for seat supported X-MBV valves and are suitable for a wide range of applications in liquids and gases over a broad temperature range. They perform well in media containing low to medium solids concentration as long as particle size is not too small (fine powders). H seats are suitable for bi-directional shutoff and control service. - The H-style seat design consists of a spring-energized “H” seat in the body cap and a locked “K” seat in the body. The preferred flow direction is with the cap upstream. Process pressure and the spring-energized seat push the ball to seal against the downstream seat. 28
- 29. © Metso X-MBV SeatSupported • G seat - Dust/Particle Proof High Temperature Metal Seat - G-style seats are identical to H-seats except for an additional graphite seal around the O.D. of the seat. This additional sealing enables these seats to operate in media with very small particles, dust or powders and substances that are prone to buildup and solidification. G seats are suitable for bi-directional shutoff and control service. - The G-style seat design consists of a spring-energized “G” seat in the body cap and a locked “K” seat in the body. The preferred flow direction is with the cap upstream. Process pressure and the spring-energized seat push the ball to seal against the downstream seat. Graphite seals prevent media from entering the spring cavity from either side of the seat. 29
- 30. © Metso X-MBV SeatSupported • J seat - Solids Proof Metal Seat - J-style seats are recommended for services with high concentrations of abrasive particles, catalysts, fines, and media prone to buildup and solidification. J seats are suitable for shutoff service only. - A stack of graphite seals is pressed into the seat pocket to the extent that it acts as a spring behind the seat, producing a scraping seat load on the ball that is not dependant on metal springs and seals that can become jammed by solidified media. 30
- 31. © Metso X-MBV Trunnion •B seat - Solids Proof Metal Seat - B-style seats are recommended for media containing very small particles, dust or powders. Bseats are suitable for shutoff and control service - B seats are pushed against the ball by an Inconel spring to achieve sealing. Graphite and elastomer seals prevent media from entering the spring cavity from either side of the seat. 31
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- 33. © Metso The Sequenceof Lock Hopper Function 1) Catalyst requiring regeneration is gathered in the disengaging zone of the stacked three-bed reactor 2) Catalyst flow is stopped by a special segmented ball valve located immediately below the disengaging zone and upstream of the two Neles lock hopper block valves. The two valves above the lock hopper are fully open before catalyst is allowed to flow through them. 3) The segmented valve is then opened allowing catalyst to flow into the lock hopper. 4) When the lock hopper is full the segmented valve is closed. After the flow of catalyst is completely stopped, the two Neles valves are closed, isolating the lock hopper. 5) The lock hopper is then inerted with nitrogen. Following this, the two lock hopper block valves located below the lock hopper are opened allowing the inerted catalyst to flow, by gravity, into a lift engager for transport to the next part of the process Application Bulletin 2721_06_01 Catalyst Presentation 1. 2. 3. 4. 5. 6. 7. 33
- 34. © Metso CCR Unit •Lock Hopper Vent - 1000 F, 100 psi, typically 1”-3” • ANSI 300, J seats, CF8M, NiBo ball – XA__DWUUS6SLJBDD • ANSI 600, J seats, CF8M. NiBo ball – XU__FWUUS6SLJBDD • Lock Hopper Block - 1000 F, 100 psi, typically 1”-6” • ANSI 300, J seats, CF8M, NiBo ball – XA__DWUUS6SLJBDD • Chlorine Addition valve - Typically ¾”, sometimes 1”, 1.5” • Inconel body – W1BU__IIT01 • Catalyst Addition - ANSI 150, soft seated • Jamesbury 9150 34
- 35. © Metso FCC CatalystAddition • Each day, several tons of fresh catalyst are added to replace losses through the cyclones and to maintain the activity of the unit’s inventory at an acceptable level. • A typical temperature here is ambient.Application Report 2721_07_01 35
- 36. © Metso Polymerization valvechallenges • Polymer growth behind the seats and seals • Polymer built up in the body cavity • Polymer chunks and sheets enter the valve • High cycle rates and short (< 2 seconds) stroking time • Emission control • Abrasive, unspent catalyst • Application Report 2722_06_13 • PDS Presentation 36
- 37. © Metso Trunnion mountedX-series up to 8”, L seat • Full metal bearings • Full metal to metal seats - seat is preloaded by graphite stack - graphite acts as a spring and a seal, maintaining correct ball-to-seat contact while keeping unreacted gas, catalyst and polymer resin out of seat cavity • Tungsten carbide coatings for long last tightness and cycle life. Braided graphite polymer seal Seat Graphite stack Primary seat seal Backup ring 37
- 38. © Metso Trunnion mountedX-series 10”- 16”, B seat • Full metal bearings • Full metal to metal seats • Tungsten carbide coatings for long last tightness and cycle life. Braided graphite polymer seal Pre-loading spring Seat (polymer proof) Set ring Graphite fire-safe seal Primary seat seal Backup ring 38
- 39. D Series BallValves D series valves are a flanged, full port, trunnion style stemball valve that are used in applications for shutoff and throttling service with high pressure differentials
- 40. © Metso D SeriesBall Valves – Design Features • Load caused by flow is carried by strong low friction bearings • Stemball, the simplest connection between shaft and closure element - No hysteresis in throttling service • Highest Cv per nominal size • Quick operation possible • Equal percentage inherent flow characteristics • Self-flushing, low noise anti- cavitation Q-Trim® 40
- 41. © Metso D SeriesBall Valves – Standard Options • Various ball / seat coatings - 316 / NiBo - 316 / chrome carbide - 316 / tungsten carbide - 316 / stellite • 150# - 600# class - 2”- 36” size • TA-Luft live loaded gland packing • Q-Trim® - Standard - Gas (open cheek) - Liquid (shown) 41
- 42. © Metso Solids proofseats for slurry service
- 43. © Metso Solids proofseats for slurry service Wipers – protect spring from solids buildup Backseal – seal for tight shutoff – prevents leakage around the seat
- 44. © Metso Solids proofseats for slurry service Body cavity – with tungsten carbide Seat – tungsten carbide on complete ID of the seat – to protect seat from erosion due to slurry Seat pocket of the body – no tungsten carbide – protected by seat Flow port of body – with tungsten carbide The seat is assembled into the seat pocket of the body
- 45. E Series Ceramic BallValves E series ceramic ball valves are one of the most erosion resistant control valves on the market today
- 46. © Metso E Series– The Ceramic Material • Partially stabilized Zirconia, with magnesia • High tensile strength 450 MPa, exceeds commonly used ceramics tensile strength • Thermal shock resistance 375 °C / 700 °F • Exceptional toughness, not subject to brittleness as traditional ceramics 46
- 47. © Metso E Series– Technical Specifications • Sizes - Wafer, reduced bore, 1” - 4” - Lug, reduced bore, 1” - 8” - Body pressure: ANSI 150, 300 - Temperature range:-40 °F to +1110 °F • Face to face: - ISA S75.04 / IEC 534-3-2 47
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- 49. © Metso FCC Bottoms •Bottom recycle is used to recover heat for feed preheat through kettle boilers and exchangers. • The fluid is known as catalyst oil slurry and its control and isolation, due to its highly abrasive nature and temperature, provide a demanding valve application • Application Bulletin 2721_07_01 • Success Story 49
Editor's Notes
- #18 In the process of redesigning the products, we also took the opportunity to improve ourselves against the competition. The competition had caught-up to us. The number one cause of customer complaints was leaking stem seals. We came-up with a new design that has multiple sealing zones, and applied for a patent. It came as a surprise to us how well our platform series works. The operational life blows-away anything else available in the market, and it costs us less to manufacture them.
- #20 No notes required.
- #59 The top coking facilities are continually optimizing operations to increase flexibility for processing a variety of feedstocks, while maximizing higher-valued liquid and gas products. Equally critical in daily operations is the emphasis on maintaining a safe and reliable processing unit. The heater is designed to raise residual stock temperatures above coking point without significant coke formation in the heaters. This required high velocities in the heaters. The coking happens in the surge drums. The most common feedstock is vacuum resid. Other feed streams can also be used, like visbroke tar, atmospheric residue, slurry oil, hydrotreated resid, tar sand, SDA or ROSE unit pitches. Feedstock composition has significant impact on the quality of coke produced. All the heavy metals are incorporated as contaminants in the coke. The quality of petroleum coke is classified into three categories: fuel grade, anode, and premium coke (needle coke).
- #62 The entire coking process is typically grouped into three general sections – furnace and fractionation, coke drum and coke handling, and the closed blowdown areas. The exact configuration will vary depending on refinery’s specific design strategy and existing processing capabilities.