Txv valve - Bryan does an in-depth review of how to adjust a thermostatic expansion valve, also known as a TXV, TEV, or TX Valve. He explains why one would adjust a …

 
VERSUS EEVS. EEVs are top-of-the-line throttling devices. EEVs can be programmed to work with the other components in the system. While EEVs can outperform TXVs, the gains often do not justify the much higher cost. A standard TXV can increase efficiency versus a fixed orifice device by about 30 per cent for only a small increase in cost.. 0.4 as a fraction

Sep 7, 2022 · Float Valves. 1. Thermal Expansion Valves. A thermal expansion valve or thermostatic expansion valve (often abbreviated as TEV, TXV, or TX valve) is a device that controls the amount of refrigerant released into the evaporator and is intended to regulate the superheat of the vapor leaving the evaporator. Get it Tue, Mar 12 - Tue, Mar 19. Free Shipping This item ships free. Easy Returns No restocking fee for 90 days. Question? Call or text 888-757-4774. +. Rheem 611043 - Expansion Valve (TXV) w/Bleed Port- Expansion Valve (TXV) w/Bleed Port.A TXV will modulate open or closed based on changing conditions and will adjust to maintain a constant superheat. This in turn ensures that efficiency is optimized …The expansion valve lowers refrigerant pressure and meters it into the evaporator core. If the expansion valve gets damaged, the A/C unit will blow warm air and the evaporator core could get flooded and accumulate frost. An expansion valve replacement can cost anywhere between $150 and $400.A gate valve is designed to turn the flow of liquid through pipes on and off. It is generally used on a valve that is not used frequently. It is also helpful in controlling the flo...Dec 26, 2019 · When you’re ready to adjust the TXV, remove the stem cap on the bottom to expose the spindle. It’s easy to make the adjustment if you make a mark at the edge of the spindle. That way, you can keep track of how many turns you make. Many manufacturers recommend turning the spindle only a quarter-turn at a time. A thermal expansion valve measures the pressure and temperature at an evaporator coil’s end using a bulb and a tube referred to as an external equalizer. The equalizer measures pressure and offers a closing force whereas the bulb measures temperature and delivers an opening force. Moreover, the TXV has an ergonomic spring …1. Thermal Expansion Valve (TXV) System. The first type of system, the Thermal Expansion Valve (TXV) system, uses a thermal expansion valve (TXV) to provide the pressure drop in the refrigerant. The TXV is a variable control valve located at the entrance of the evaporator. This type of system also has a receiver-drier on the liquid line.Welcome back to the shop! Today we have a TXV based A/C system that will not cool down the vehicle.Come along as we diagnose what is wrong through A/C Manifo...Apr 27, 2022 · A TXV valve, or a thermostatic expansion valve, is a very precise valve that regulates the rate of flow of refrigerant to the evaporator on an air conditioning system. It’s purpose is to maintain an efficient flow of refrigerant while also protecting the compressor. This category contains Thermal Expansion Valves manufactured by Emerson Flow Controls. TXVs are designed for a wide range of air conditioning, refrigeration, heat pump, and chiller applications.In today's video I replace a bad TXV (AKA: thermal expansion valve, AKA TX valve)). I also replace a Coremax fitting on a 9 year old Bryant package heat pum...At its placement in an air conditioner’s system, an expansion valve is responsible for further cooling the refrigerant passing through it. It does so by essentially expanding the liquid. This releases more of the pressure that the refrigerant has, letting it release the last of its heat and turning everything in the pipe into a fully low ... How does an electronic expansion valve work EEV EXV. In this video we're going to cover the basic working principles for how an electronic expansion valve wo...TXV - Expansion Valves; Lennox 104110-05, Thermal Expansion Valve, 1.5-2.5 Ton, R-410A, Cal Setting: 134.13 +/- 2.20 PSIG . Lennox 104110-05, Thermal Expansion Valve, 1.5-2.5 Ton, R-410A, Cal Setting: 134.13 +/- 2.20 PSIG ... Danfoss 067U3877 TR 6 thermostatic expansion valves have been designed and developed with features especially for use in ...† Specify thermostatic charge and valve type . ‡ 20326-000 replaces obsolete part number 420-000 . * Used on Type EG Valves manufactured prior to date code 2294 . Strainer has 1/2” hex head . ** Used on Type EG Valves manufactured on and after date code 2294, and all Type SBF Valves . Strainer has 5/8” hex head . Strainers manufactured ...A thermostatic expansion valve (TXV) has that same purpose – it regulates the rate at which the refrigerant flows into the heat pump evaporator increasing its efficiency. The importance of a TEV or TXV in heat pumps is enormous. Here we are going to help you understand how a thermostatic expansion valve may be limiting your heat pump, and …Expansion Valve 61-4091 614091 Compatible With Thermo King Tripac Tri-pac Evolution APU A/C TXV. 3.8 out of 5 stars. 7. $31.50 $ 31. 50. FREE delivery Thu, Feb 8 on $35 of items shipped by Amazon. Four Seasons 39091 Expansion Valve. 5.0 out of 5 stars. 2. $21.68 $ 21. 68. FREE delivery Feb 7 - 8 .4 days ago · The average thermal expansion valve (TXV) replacement cost for an AC unit is $470, but the price can range from $185 to $750 depending on multiple factors. Why does this matter? A malfunctioning ... Parker Expansion Valve - Quick Reference Parker Hannifin orporation, roadview, IL USA 800-742-2681 P-109-0712 Orifice R - 12 / R - 134A R - 404A / R - 507 R - 22 / R - 407 R - 410ASep 7, 2022 · Float Valves. 1. Thermal Expansion Valves. A thermal expansion valve or thermostatic expansion valve (often abbreviated as TEV, TXV, or TX valve) is a device that controls the amount of refrigerant released into the evaporator and is intended to regulate the superheat of the vapor leaving the evaporator. Nov 24, 2011 · The degree to which an expansion valve can be smaller when the refrigerant is additionally subcooled by 40 K can be seen from the correction factors when dimensioning using datasheets. In cases such as this, the required capacity value of the expansion valve with R134a is reduced by 30% (correction factor 1.42). Aug 7, 2017 · A decrease in the superheat spring pressure (turn the valve stem counter-clockwise) will slightly increase the MOP setting. Understanding how a TXV with an MOP power element operates differently from other expansion valves will definitely help a technician better understand the operation of a system and troubleshoot the system more efficiently. Features. Overview for Goodman TXV-FX-KX-3T. Goodman's TXV valves are designed to improve the reliability and efficiency of your central split system. With the ...When you’re ready to adjust the TXV, remove the stem cap on the bottom to expose the spindle. It’s easy to make the adjustment if you make a mark at the edge of the spindle. That way, you can keep track of how many turns you make. Many manufacturers recommend turning the spindle only a quarter-turn at a time.A00808-005 - TX Valve, R-22, CBIVE-4 (MC4860H, MC4860C), Chatleff Thread. $118.25 $172.55.Danfoss proportional valves, motorized control valves, balancing valves, ball valves, thermostatic valves, solenoid valves, and expansion valves—among others.20 Jan 2019 ... How TXV works - Thermostatic expansion valve working principle, HVAC Basics vrv heat pump. The Engineering Mindset•1.2M views · 19:15 · Go to ...The TXV has a sensing bulb that is connected to the suction line leaving the evaporator coil. The sensing bulb is filled with a refrigerant that expands and contracts. Furthermore, this is based on the temperature of the refrigerant inside the TXV or thermostatic expansion valve sensing bulb. The TXV sensing bulb is attached to the valve itself ... Retrofitting a fixed orifice device system with a TXV is easy, especially when the valve comes packed with the most common fittings to attach to the evaporator distributor, like flare, Aeroquip, or Chatleff, making upgrades hassle-free. Simply put, TXVs are so popular because they offer efficiency and affordability in one reliable device.The Thermal Expansion Valve (TXV) is installed to control the flow of refrigerant into the evaporator in response to the cooling load. TXV's measure the superheat at the outlet and react to this by increasing or decreasing the amount of refrigerant flowing into the evaporator to try and maintain a constant superheat.The thermostatic expansion valves each has a built-in check valve, which has the function of preventing ˜ow in one direction and allowing the ˜ow in the opposite direction. It means that one thermostatic expansion valve is controlling liquid injection into the evaporator and the other thermostatic expansion valve Fig. 7. 3 Feb 2022 ... Learn how a H-Valve TXV A/C system works on a mobile vehicle. This is a beginning lesson on mobile A/C for anyone starting to work on Air ...The main difference is a TXV will make your system more efficient and provide some protection to the compressor by controlling superheat. You know years ...Learn how the TXV works to control the flow of refrigerant into the evaporator section of the HVAC system. The TXV senses the superheat and pressure of the refrigerant and adjusts the amount of refrigerant released to the evaporator based on the cooling load. The TXV has a diaphragm, a capillary tube, a power head and a sensing bulb. Refrigerant Expansion Valves. X-9144-B11B. Expansion Valve Parts. availability. Available. WHERE TO BUY. Compare Compare. 020955. X-31326-1, Thermostatic Expansion Valve Bulb Straps.Jan 9, 2017 · The symptoms of a system with a restricted thermostatic expansion valve (TXV) are very similar to those of a system with a refrigerant undercharge. However, the undercharged system will have low condenser subcooling levels. Service technicians often confuse an undercharged system with a restricted metering device. Feb 28, 2023 ... The expansion valve must be installed in the liquid pipeline before the evaporator, and the TXV valve location should be close to the evaporator ...In the automatic expansion valve, the spring pressure along with the atmospheric pressure acts on the diaphragm and pushes it down. As a result, the needle also tends to move down away from the seat leading to the opening of the valve. The evaporator pressure pushes the diaphragm in an upward direction. Due to this, the …The average thermal expansion valve (TXV) replacement cost for an AC unit is $470, but the price can range from $185 to $750 depending on multiple factors. Why does this matter? A malfunctioning ...In this video, we review how to complete a typical installation of a Danfoss TR6 thermostatic expansion valve. We cover disconnecting the liquid line, brazi...Get genuine Rheem factory OEM TXV Thermal Expansion Valves for your Rheem HVAC unit. All Rheem TXV Thermal Expansion Valves are brand new in the original factory packaging and are guaranteed to fit and function properly. We have fast FREE SHIPPING on all orders over $99 and ship all orders within 1 business day. Showing 1 - 12 of 476.Danfoss proportional valves, motorized control valves, balancing valves, ball valves, thermostatic valves, solenoid valves, and expansion valves—among others.Real OEM valves are made for your specific piece of equipment, ensuring it stays safe, efficient and reliable. Fits popular SUB-CU/HF/CP-TC as well as Taco Bell Dual-Line and I-Line Counters (see FITS MODELS below for complete list) For units with Serial No. 09072127 and later. Pressure: 54 PSI. Find OEM Duke 216864 Thermal Expansion …Now, let’s get into diagnostics on the TXV: – Remove the cork tape or other insulating material from the thermal expansion valve sensing bulb. – While monitoring your superheat reading, add a small amount of supplemental heat to the expansion valves sensing bulb. Important note, this additional heat only needs to be 20 to 35°F above your ...A TXV valve is a complex device that can adjust the flow of refrigerant based on the system’s cooling needs. It consists of several parts, including a diaphragm, spring, and thermal bulb. It is often used in systems where efficiency and precise control are desired. Conversely, a piston is a simpler device that functions like a pinhole.Industrial solenoid valves are easy to find when you know where you’re looking. Check out this guide to finding the right industrial solenoid valves for your business so you can or...Click for Larger View. Parker Sporlan electric valves are electronically controlled, stepper motor driven assemblies, intended for precise control of refrigerant flow. SpotForConfigureParts. RightSideBarAds.The TXV has a sensing bulb that is connected to the suction line leaving the evaporator coil. The sensing bulb is filled with a refrigerant that expands and contracts. Furthermore, this is based on the temperature of the refrigerant inside the TXV or thermostatic expansion valve sensing bulb. The TXV sensing bulb is attached to the valve itself ... The basic parts of a TXV are the sensing bulb, the diaphragm, the equalization area, and the superheat setting spring, which work against each other to control the valves operation. First, the sensing bulb, which is filled with a special, fluid corresponding to the specific refrigerant used, is mounted on the suction pipe on the …A TXV valve is a complex device that can adjust the flow of refrigerant based on the system’s cooling needs. It consists of several parts, including a diaphragm, spring, and thermal bulb. It is often used in systems where efficiency and precise control are desired. Conversely, a piston is a simpler device that functions like a pinhole.Call or text 888-757-4774. This item is compatible with the following Trane model numbers. WHAT'S MY MODEL NUMBER? Type the model number of your unit:or check the list below of compatible model numbers for this part. Trane VAL08579 - 1.5-3 Ton R22 Flo-Rater TXV Valve- This is an official OEM 1.5-3 Ton R22 Flo-Rater TXV Valve for Trane HVAC ...Refrigerant Expansion Valves. X-9144-B11B. Expansion Valve Parts. availability. Available. WHERE TO BUY. Compare Compare. 020955. X-31326-1, Thermostatic Expansion Valve Bulb Straps.Workshop manual. Wrenches, open ended. Step 1: Locate the orifice tube. The orifice tube will be inside the high-pressure line to the evaporator. Most orifice tube systems have the evaporator under the hood or cowl, Find where the line steps up in size just before a joint. The orifice tube should be in there.ERZE-15-GA 5/8" x 1-1/8" ODF Thermal Expansion Valve w/ 60" Capillary (15 Ton) Sporlan. Sporlan Thermal Expansion Valves (TXVs) are available in a variety of heat pumps, air conditioning, and refrigeration applications. Here you can find a Thermostatic Expansion Valve for nearly any HVAC job.In the automatic expansion valve, the spring pressure along with the atmospheric pressure acts on the diaphragm and pushes it down. As a result, the needle also tends to move down away from the seat leading to the opening of the valve. The evaporator pressure pushes the diaphragm in an upward direction. Due to this, the …The TE 5 - TE 55 thermostatic expansion valve family is universal and adaptable, and comes with: A wide capacity range for any kind of air conditioning system; A wide temperature range (–60 °C to +10°C) Suitable for new and old standard refrigerants (except R 410A and HC-refrigerants) For example, an underfed refrigeration system exhibits many of the same symptoms as a bad TXV: Frost on the valve or coil. A low pressure reading at the suction service valve. High superheat. High liquid pressure at the liquid line valve. Those are the same symptoms as an undercharged system, except that there is low pressure – rather than ...However, before you start messing with the adjustment, I suggest you read on. First, the valve must be an adjustable type; many valves on small equipment are ...Industrial solenoid valves are easy to find when you know where you’re looking. Check out this guide to finding the right industrial solenoid valves for your business so you can or...The TXV valve is filled with a refrigerant that boils at a lower temperature than the liquid refrigerant passing through the valve. This causes the pressure in ...Jun 5, 2018 · The expansion valve causes a pressure difference between the condenser and the evaporator, it holds back the high-pressure liquid refrigerant and decides how much to let through into the evaporator. Animation of how an electronic expansion valve works. An internally equalized TXV uses evaporator inlet pressure to create the ‘closing’ force on the valve. An externally equalized valve uses the evaporator outlet pressure, thereby compensating for any pressure drop through the evaporator. If an internally equalized valve is used in a system with a large pressure drop through the evaporator ...Get genuine Rheem factory OEM TXV Thermal Expansion Valves for your Rheem HVAC unit. All Rheem TXV Thermal Expansion Valves are brand new in the original factory packaging and are guaranteed to fit and function properly. We have fast FREE SHIPPING on all orders over $99 and ship all orders within 1 business day. Showing 1 - 12 of 476.An integral part of the ‘TXV vs expansion valve’ discussion is understanding what an expansion valve is. This type of valve is a bit broader term that encompasses several …15 Jun 2018 ... In today's video I replace a bad TXV (AKA: thermal expansion valve, AKA TX valve)). I also replace a Coremax fitting on a 9 year old Bryant ...Kit Includes. Kit Contains- 1 Element Gasket, 2 Bushing Gaskets, 1 Bottom Cap Gasket, 1 Seal Cap Gasket, 1 Pushrod, 1 Pushrod Gauge, 1 Piston Assembly, 1 Seat Refinishing Tool with Grit Cloth, 1 Set of Instructions. ( For use with V Valves dated B65 or later and for W. Kit Contains- 1 Seat, 1 Pin & Carrier, 2 Pushrods, Pushrod Guage, (Type G ...Dec 23, 2019 · T hermostatic expansion valves (TXVs) are often misdiagnosed as the root problem in poorly performing air conditioning and heat pump systems. The truth is that two-thirds of TXVs returned show no signs of failure. For this reason, we recommend taking a system-wide approach when troubleshooting. Eliminate all other components as a source of a ... The expansion valve is designed so that the temperature of the refrigerant at the evaporator outlet must have 8 to 12°F (4 to 7°C) of superheat before more refrigerant is allowed to enter the evaporator. The adjusted tension of this spring is the determining factor in the opening and closing of the expansion valve. During opening or closing ...ing the expansion valve, a maximum opening superheat of 7°F, and a standard factory air test superheat setting. A discussion of the relationship between valve capacities and superheat set-tings can be found in Bulletin 10-9. The ratings for evaporator temperatures 40°F, 20°F, -10°F, -40°F in the capacity tables are in accordance with ANSI/ARI The expansion valve lowers refrigerant pressure and meters it into the evaporator core. If the expansion valve gets damaged, the A/C unit will blow warm air and the evaporator core could get flooded and accumulate frost. An expansion valve replacement can cost anywhere between $150 and $400.with a TXV is simple, especially when the valve comes packed with the most common fittings to attach to the evaporator distributor, like flare, Aeroquip, or Chatleff, making upgrades hassle-free. Factors That Led to the TXV’s Popularity in the Market The two major factors that have led to TXVs’ popularity: performance and price.The function of the thermostatic expansion valve (TXV or TEV) is to hold a constant evaporator superheat. When set and operating properly, the TXV will keep the …A TXV will modulate open or closed based on changing conditions and will adjust to maintain a constant superheat. This in turn ensures that efficiency is optimized …Do you know how to test a thermocouple on a gas valve? Find out how to test a thermocouple on a gas valve in this article from HowStuffWorks. Advertisement Inside your gas-operated...Feb 13, 2019 · Whats inside a thermal expansion valve and how the thermostatic expansion valve or TXV works in a HVAC refrigeration system. Learn the basic working principles that allow the thermal expansion valve to meter the flow of refrigerant into the evaporator of chillers and air conditioning units. Scroll to the bottom to watch the YouTube video Jun 5, 2018 · The expansion valve causes a pressure difference between the condenser and the evaporator, it holds back the high-pressure liquid refrigerant and decides how much to let through into the evaporator. Animation of how an electronic expansion valve works. The Parker Universal A/C TXVs have internal check valves for use with heat pumps. They also have an equalizer line with ¼ in. flare just like the OEM TXV. Always attach the …The Sporlan Type ER balanced port thermostatic expansion valve has a brass bar stock body. The ER valve has ODF connections in a variety of commons sizes, and has an optional inlet strainer available. There is also an option for a 15% bleed port, if required. It is available with adjustable superheat, a long lasting replaceable power element ...Sep 29, 2019 · What is a TXV/TEV & How does it work? Thermal expansion valve/Thermostatic expansion valveAir Conditioning & RefrigerationHVAC HVACRFollow me on instagram! @... thermostatic expansion valve can be used. The two thermostatic expansion valves have, therefore, been replaced by one TR 6 bi-˜ow valve controlling liquid injection in both directions. The normal ˜ow direction marked with an arrow should be used for the primary function, i.e. cooling or heating. Indoor coil Outdoor coil 4-way valve SGI/SGN ...TXV accessories: Product group: Expansion valves: Product Name Description: Thermostatic expansion valve: Quantity per packing format: 12 pc: REACH Candidate List substances: Lead (CAS no. 7439-92-1) Refrigerants: R410A: SCIP dossier no. da420efe-2109-4d9e-9549-19822c921816: SCIP dossier product name: TR6: Serviceable: No: …Dec 15, 2017 · Learn about the parts, operation, and types of TXVs, a refrigeration and air conditioning throttling device that controls the amount of refrigerant liquid injected into a system’s evaporator. Find out how to avoid hunting, balance port design, and cross charge bulb fluid for optimal performance and efficiency. Step 1. With the help of a wrench and the backing wrench with the adjustable screw, the technicians are challenged to remove the hex cap located on the base of the TXV valve. Step 2. To increase the superheat, technicians are allowed to turn it clockwise with the help of a refrigerant wrench. Step 3.Electric Expansion Valves: Bulletin 100-20 - Sporlan Electric Expansion Valves - SER, SERI, SEHI: Bulletin 100-20-1 - Sporlan Electric Expansion Valves - SER-AA, -A: Bulletin 100-50-5 - Sporlan Kelvin II Series Electric Valve Controllers: Form 100-304 - SER(2)-C 2nd Generation Electionic Expansion Valve: Form 100-419 - Sporlan Electric Valve Poster

A00808-005 - TX Valve, R-22, CBIVE-4 (MC4860H, MC4860C), Chatleff Thread. $118.25 $172.55.. Your place or mine parents guide

txv valve

TXV Selector Tool: Emerson is pleased to announce the launch of the TXV Selection Tool. This online selection tool allows users to enter their HVACR system characteristics such as refrigerant type, temperatures, pressure drop and capacity, and then selects the best Emerson thermal expansion valves for the application.The TXV is a modulating valve that controls the flow of refrigerant into the evaporating coils. This keeps the system running as efficiently as possible and prevents liquid refrigerant from getting into the compressor, potentially causing a breakdown. When the refrigerant comes to the TXV valve, the refrigerant is under high pressure and in ... The Thermostatic Expansion Valve (TXV) Kits are used to increase system efficiency and ratings. NOTE: This TXV kit is for R-410A refrigerant and must always match the refrigerant type listed on the name plate of the outside unit. Kit Identification Confirm that the TXV Kit is correct for your system. See Table 1 to verify proper kit. InspectionJuly 11th, 2014. Sporlan Thermostatic Expansion Valve TXV SVE-5-C It is missing a few cuts and chamfers that take away from the aesthetics of the model but is a useful model for sizing out systems. Download files. 1001 Downloads 16 Likes 2 Comments.Jun 22, 2023 · Keep spraying the canned air onto the disc until it looks white and frozen over. Once it’s frosted over, wait a few minutes to see how the expansion valve responds. Watch the high-pressure gauge for a drop. If the valve is working properly, the high-pressure reading will drop somewhere between 50 to 150kpa. A faulty TXV may be due to moisture or debris in the evaporator coil, or it can be due to dirty air filters. Cleaning the coil and ductwork can help prevent clogging and the need for a TXV repair. In addition, a clogged return air vent can cause a TXV to fail. A clogged TXV can also result in a refrigerant leak.8 Jul 2021 ... This Parker Sporlan webinar training module will discuss Thermostatic Expansion Valves (TEVs) as part of our HVAC Excellence presentation.Function:The constant pressure or automatic expansion valve responds to outlet pressure. It meters liquid refrigerant to the evaporator, maintaining a constant evaporator pressure. Refrigerant flows at a rate that exactly matches compressor capacity. A typical AXV is shown in Figure 3.Danfoss proportional valves, motorized control valves, balancing valves, ball valves, thermostatic valves, solenoid valves, and expansion valves—among others.The Thermostatic Expansion Valve (TXV) is a crucial component of HVAC systems, regulating refrigerant flow to ensure efficient cooling or heating, consistent temperature, and compressor protection. Regular maintenance and troubleshooting of the TXV are essential for optimal system performance, energy efficiency, and early detection …It wasn’t frozen up at the moment but there was enough water to suggest it had been. He said turn it up a few degrees to be safe during the day and was given a rough estimate of $2,000 to replace the TXV valve, about 50% parts, 50% labor. Live in a high cost of living area, but this seems really expensive to me.Oct 2, 2023 · The Thermal Expansion Valve, often abbreviated as TXV, is a precision-machined refrigeration component used in HVAC systems to control the amount of refrigerant that flows through the evaporator coil. The TXV is constantly making fine-tuned adjustments to control the temperature of your air conditioner coil. The expansion valve has a special position in this respect. It is a regulator, and brings the refrigerant from high pressure back to low pressure level again. This is practically the inversion of the compression process, in which low suction pressure was compressed to high hot gas pressure. The evaporation pressure must therefore be …A-Z. 066657. TXV+CONNECT 2-1/2TR-22, TXV Connect Kits Thermostatic Expansion Valves. Product Category. Refrigerant Expansion Valves. Model Number. TXV+CONNECT 2-1/2TR-22. Inlet Connection Size. 3/8” ODF Solder (With Chatleff, Aeroquip Adapters)The controller then decides whether the expansion valve should open to let more refrigerant into the evaporator or close to reduce the amount entering. How a stepper motor works – working animation. Once decided, the controller then sends electrical signals to the expansion valves stepper motor to energise the coils and create an ...Heart valve surgery is used to repair or replace diseased heart valves. Your surgery may have been done through a large incision (cut) in the middle of your chest, through a smalle....

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