Pressure to temperature chart. By mastering how to estimate .



Pressure to temperature chart. 00 R32 Pressure-Temperature Chart Saturation Pressure-Temperature Data for R32 (psig)* R-454B HFC/HFO Zeotropic Blend Molecular Weight Boiling Point (1atm,°F) Critical Pressure (psia) Critical Temperature (°F) Critical Density (lb. 3 1. Pressure Temperature Charts Vapor Pressure in PSIG Refrigerant Boiling Point Liquid Density Temperature (F) R-22 R-410A R-12 R-134a R-404A R-507A R-407A R-407C R-427A R-422B R-422D R-407F R-448A R-421A R-513A R-449A R-452A -48 4. This is a chart that tells you what pressure R407C should have at -49°F to 150°F temperatures. It visually represents the relationship between the refrigerant’s pressure and its temperature in a saturated state (a mixture of liquid and vapor). com Apr 23, 2025 · The R290 PT chart, also referred to as a propane PT chart or R290 pressure temperature chart, visually represents the interdependence of pressure and temperature for R290. These charts serve as indispensable tools for diagnosing issues, optimizing performance, and ensuring systems operate safely. Namely, it tells you what is the pressure of R22 refrigerant gas at different temperatures. 9 172. R454B Pressure Temperature Chart Printable PDF Read more at: https://learnmetrics. By mastering how to estimate Jun 6, 2025 · A2L Refrigerant Pressure Temperature Chart 614Revision Date: 6-6-25 Mar 20, 2019 · Complete Pressure List for all temperatures in Celcius or Fahrenheit for the HFO Refrigerant R-1234yf. com/techservices Jan 12, 2020 · One of the very first steps when it comes to diagnosing your home air conditioner, refrigerator, or even your vehicle’s air conditioner is understanding the temperature and the current pressure that your system is operating at. Measure suction gas temperature on the line at the expansion valve bulb’s remote location. These charts provide critical data for diagnosing system issues, ensuring proper charging, and maintaining efficiency. ) Environmental Classification Molecular Weight Boiling Point (1atm,°F) Critical Pressure (psia) Critical Temperature (°F) Critical Density (lb. Pressure Temperature Charts Vapor Pressure in PSIG Refrigerant Boiling Point Liquid Density You can see that this R410A pressure chart includes high and low side pressures at temperatures ranging from -60 °F to 155 °F. Gay Lussac’s Law states that for a fixed mass of gas, the pressure of the gas has a directly proportional R448a PT chart is quite useful in HVAC. temperature (from Step 3). 6 Environmental Classification Molecular Weight Boiling Point (1atm,°F) Critical Pressure (psia) Critical Temperature (°F) Critical Density (lb. Make your job easier with our handy refrigerant pressure temperature HVAC app. Eight Easy Steps to Retrofit From CFC-12 to Suva MP39, Suva 409A, or Suva MP66 From R-502 to Suva HP80, Suva 408A, or Suva HP81 The pressure-temperature (PT) chart is a valuable tool that service technicians use to check proper system operation. The chart provides temperature readings across a wide range of pressures to help with calculations and conversions involving refrigerants under different conditions. Jun 25, 2024 · R-134a pressure-temperature charts are essential tools for understanding the relationship between pressure and temperature in HVAC and refrigeration systems. This guide provides a complete walkthrough, from basic interpretation to advanced troubleshooting, whether you’re an HVAC technician, homeowner, or student. ) Ozone Depletion Potential (CFC 11 -1. Below are three free pressure temperature charts that can be used to troubleshoot an HVAC unit. 2244 • Fax: 845. com/r454b-pt-chart-pressure-temperature-chart/ Environmental Classification Molecular Weight Boiling Point (1atm,°F) Critical Pressure (psia) Critical Temperature (°F) Critical Density (lb. *Computer simulation per manufacturer's published component percentages Italicized amounts = Inches of mercury below one atmosphere BP= Boiling point, DP= Dew point Pressure = PSIG Not enough information available on Freezone, ES12R, OZ-12 or ADAK-12 to compute temperature/pressure relationships. 0) ASHRAE Standard 34 Safety Rating What Is the 410a PT Chart Calculator? The 410a PT Chart Calculator is a digital tool that converts the pressure (in PSI) of R-410A refrigerant to its corresponding saturation temperature (in °F). PSIG 318 320 322 324 326 328 330 332 334 336 338 340 342 344 346 348 350 352 354 356 358 360 362 364 366 368 370 372 374 376 378 380 382 384 386 388 390 392 394 396 When dealing with R407c refrigerants, you will have to consult the R407c PT chart. °F PSIG Hot Shot R-134A Refrigerant Pressure Temperature Chart - R-134A is an inert gas also known as Tetrafluoroethane, and for air conditioner systems. 4 psig), you can also use the chart to determine the temperature of the refrigerant. Using an HVAC refrigerant pressure temperature chart is necessary to be sure a unit is operating correctly. Troubleshooting: A pressure drop or increase can indicate serious issues within the system, such as blockages or leaks. 0) ASHRAE Standard 34 Safety Rating Forane Refrigerant Pressure Temperature Chart Forane® Refrigerant Pressure Temperature Chart HFC/HFO Zeotropic Blend Molecular Weight Boiling Point (1atm,°F) Critical Pressure (psia) Critical Temperature (°F) Critical Density (lb. Learn more about Coburn Supply by visiting coburns. Refrigerant R-410A Pressure Temperature Chart - This R410A PT Chart will help you when charging a system that utilizes R-410A. 50377psi]. Created Date3/30/2020 9:37:39 AM PT CHART SOLSTICE® 454B (R-454B) PRESSURE AND ENTHALPY Although Honeywell International Inc. 0) ASHRAE Standard 34 Safety Rating Nov 15, 2024 · When checking the subcool condition the technician will measure the temperature of the liquid line, and the pressure at that point and subtract the measured temperature from the saturated temperature at the end of the condenser. The temperature glide runs about 13°F in the evaporator. In this guide, we will explore what a refrigerant PT chart is, why it is Environmental Classification Molecular Weight Boiling Point (1atm,°F) Critical Pressure (psia) Critical Temperature (°F) Critical Density (lb. ) Global Warming Potential (CO2 = 1. /ft ^3) Vapor Density (bp, lb. hudsontech. The document is a pressure-temperature chart containing temperature values in degrees Celsius corresponding to various pressures in kilopascals for several common refrigerants including R22, R134a, R410A and others. Furthermore, R410A is an HFC and is commonly used in residential and light commercial HVAC equipment for air conditioners and heat pump systems. com/r410a-pt-chart-pressure-temperature-chart/ Mar 9, 2021 · Pocket Aid - Pressure / Temperature Pocket Chart - Laminated & Scored for Easy Folding Kit Includes: Laminated / PT Chart R22 / R410A These HVAC tools are used for assistance in sizing ductwork for HVAC systems. 8 psig and 581. Leak detection is Nov 19, 2024 · Understanding how to read a refrigerant pressure temperature chart is essential for HVAC technicians, engineers, and anyone involved in the maintenance or repair of cooling systems. It more clearly shows that the pressure in the coil is constant (45psig) and that the refrigerant temperature ranges from 10 °F (when it starts to boil) to 20°F (when boiling is complete). com Mar 1, 2024 · The Pressure Temperature Chart Calculator is a valuable tool used in various industries to determine the vapor pressure of a substance at a given temperature. Traditional PT charts list the saturated refrigerant pressure, in psig, with a column for temperature down the left side. , either expressed or NO PART OF THIS MATERIAL MAY BE REPRODUCED, STORED IN A RETRIEVAL SYSTEM OR TRANSMITTED IN ANY FORM OR BY ANY MEANS ELECTRONIC, MECHANICAL, PHOTOCOPYING, RECORDING OR OTHERWISE WITHOUT PERMISSION OF DUPONT. R11 PT Chart - [R-11]R113 PT Chart - [R-113] Pressure Vacuum Equivalents Absolute pressure above a zero base Vacuum below one atmosphere Fraction of one Microns PSIA mm Hg Inches Hg atmosphere 0 0. Apr 23, 2025 · The pressure-temperature (P-T) chart is a fundamental tool for anyone working with R404a. 0) ASHRAE Standard 34 Safety Rating 62. Using an R407c pressure temperature chart you can also check what temperature a saturated R407c liquid and vapor should have at -10. These charts may seem like a collection of numbers and lines, but they hold the key to understanding how refrigerants behave under different conditions. The charts provide the saturation pressure and temperature data for R-134a refrigerant. The difference is the su Make your job easier with our handy refrigerant pressure temperature chart and HVAC app. 0) ASHRAE Standard 34 Safety Rating PRESSURE-TEMPERATURE CHART National R-290 Propane TEMP (˚F) Pressure (psig) TEMP (˚F) Pressure (psig) Jul 18, 2023 · Learn how to read a refrigerant chart and what all the lines mean on the chart, including the pressure and enthalpy lines. 0) ASHRAE Standard 34 Safety Rating Sep 18, 2023 · Refrigerant Pressure-Temperature (PT) charts are the unsung heroes of the HVAC (Heating, Ventilation, and Air Conditioning) industry. /ft ^3) Vapor Density (bp ,lb. Dec 26, 2020 · P-T charts use the pressure-temperature relationship to help you determine the refrigerant’s pressure at a given saturation temperature. 512. This guide explains how to read and use PT charts for system diagnosis, charging, and ensuring HVAC efficiency. On close coupled installations, suction pressure may be read at com- Use temperature-pressure chart to determine saturation temperature at observed suction pressure. This article aims to provide an extensive guide on refrigerant pressure temperature Apr 14, 2024 · R404A Pressure-Temperature Chart Enclosed are detailed charts for refrigerants R22, R23, R404A, and R410A, providing critical temperature and pressure data essential for effective refrigeration system management. Understanding and utilizing the Refrigerant Temperature Pressure Chart is critical for the efficient operation and maintenance of refrigeration systems. Replaces / Supersedes: PTCHART PT CHART Pressure Chart Temperature Chart Calculator Pocket Aid PocketAid R407C Pressure-Temperature Chart Saturation Pressure-Temperature Data for R407C (psig)* *Red Italics Indicate Inches of Mercury Below Atmospheric Pressure Apr 2, 2025 · An AC pressure chart shows the ideal pressure ranges for the low-pressure and high-pressure sides of your AC system at different ambient temperatures. Pressure Temperature Charts Vapor Pressure in PSIG Refrigerant Boiling Point Liquid Density Physical Properties R410A PRESSURE-TEMPERATURE CHART Saturation Pressure-Temperature Data for R410A (psig)* ECLPC-1 Rev 1 – 02/22 This chart determines the percentage of air with known pressure and temperature by determining the point of intersection between pressure, temperature and percentage of air Online calculator with Saturated Steam Table by Pressure. When the system is charged to the appropriate pressure, remove the charging hose from the low side port, leaving the hose atached to the can. 6070 • www. Pressure for all temperatures of this refrigerant. PT charts are most often used for three purposes: to set a coil pressure so that the refrigerant produces the desired temperature; to check the amount of superheat above the saturated vapor condition at the outlet of the evaporator and to check the amount of HFC/HFO Zeotropic Blend Molecular Weight Boiling Point (1atm,°F) Critical Pressure (psia) Critical Temperature (°F) Critical Density (lb. Current market prices for all common refrigerants with cost analysis, trends, and money-saving tips for contractors. System Optimization: By understanding the proper pressure-temperature relationships, technicians can efficiently adjust refrigerant levels, ensuring the system operates within optimal parameters. It is recommended to use best practices and always adhere to safety protoc Each refrigerant’s pressure temperature chart reflects its unique pressure-temperature relationship, which is essential for correct application and troubleshooting. 0) Global Warming Potential (CO2 = 1. Higher temperature equates to higher pressure. A4Chart page2 - A-Gas A4Chart page2 R23 Pressure Temperature Chart R23 Pressure Temperature Chart The information contained within this website is for guidance only, for further system specific advice please call A-Gas directly. 145 150 155 160 165 170 175 180 185 190 195 200 205 210 215 220 225 230 235 240 245 250 255 260 265 270 275 280 285 290 295 Environmental Classification Molecular Weight Boiling Point (1atm,°F) Critical Pressure (psia) Critical Temperature (°F) Critical Density (lb. 134A PT Chart I can use these R-134a PT charts during troubleshooting to quickly cross-reference my pressure gauge readings with the correct saturated temperature. R-134a Temperature - Pressure ChartNote: Underline figures are in. Furthermore, R134A is a chemical refrigerant in automotive and domestic use air conditioners. PT charts are most often used for three purposes: to set a coil pressure so that the refrigerant produces the desired temperature; to check the amount of superheat above the saturated vapor condition at the outlet of the evaporator and to check the amount of subcooling below The pressure and system capacity match R-12 in 40°F to 50°F evaporators, and the discharge pressure in hot condensers is only 5 to 10 psi higher than R-12 (a benefit in automotive AC and warmer refrigeration environments). Further on, you will find an online R448a pressure temperature chart as well as a printable R448a PT chart in PDF form you can take with Coburns pt chart. 5 psig at the same temperature. R134A Pressure-Temperature Chart Saturation Pressure-Temperature Data for R134A (psig)* *Red Italics Indicate Inches of Mercury Below Atmospheric Pressure This pressure temperature chart will tell you the pressures of R422D at -49°F to 150°F temperatures. 7 psig. Johnstone Supply is a leading wholesale distributor for HVACR equipment, parts and supplies available and in-stock at local branches. Temperature and pressure chart for refrigerants R22, R410A, R12, R134A, R401A, R409A, R502, R404A, R507A, R408A and R402A. Complete pressure-temperature charts for all refrigerants with interactive features, comparison tools, and downloadable resources. Pressure and temperature have a relationship with one another, a relationship referred to as Gay-Lussac’s Law. The table’s top usually lists common refrigerants, and the left side lists saturation temperatures. This helps me pinpoint inconsistencies that indicate leaks, blockages, or other AC system Dec 18, 2024 · In Conclusion Refrigerant PT charts are invaluable tools for HVAC technicians when it comes to accurately troubleshooting and diagnosing issues within refrigeration systems. Refrigerant 717 (ammonia) values are based on 86°F liquid temperature and 20°F evaporator temperature. These crucial tools help technicians determine the correct operating pressures and temperatures for various refrigerants, ensuring that the system runs efficiently and effectively. 0) ASHRAE Standard 34 Safety Rating Make your job easier with our handy refrigerant pressure temperature HVAC app with R-422B included. If you know the temperature, you can use the R454B PT chart to determine the pressure. 2 5. It is recommended to use best practices and always adhere to safety protoc Pressure Temperature Charts Please select a refrigerant via the drop down menu to display pressure/temperature data. Example: What are R22 pressures on an 85-degree day? You simply consult the R22 RT chart below and see that at 85°F, the pressure of R22 is 155. PRESSURE TEMPERATURE CHART HIGH ELEVATION 5,000 FEET Red Numerals - Inches Hg. Use gauges to determine the pressure at the condenser coil outlet, and a thermometer to get the actual temperature at the same point. Mar 20, 2019 · Find out the pressure in PSI of the refrigerant R-32 for each temperature (Celcius or Fahrenheit). 953. 5 psig to 426. It’s specifically built for technicians, engineers, and HVAC students who need to quickly The points on the chart demonstrate the relationship between pressure and temperature for the refrigerant, allowing users to align readings with their system. By measuring the system’s pressure and comparing it to the chart’s values at a known temperature, they can determine if the refrigerant charge is adequate. 0 [Barometric Press=14. Remember, outside temperature significantly affects pressure readings. Select the refrigerant and the table will populate. We use gauge meter to measure the pressure of R404A refrigerant at different temperatures. Pressure Temperature Chart USA (°F/psig) ing with all refrigerants involves a degree of risk. Use this as a reference for charging, troubleshooting, or maintenance. Environmental Classification Molecular Weight Boiling Point (1atm,°F) Critical Pressure (psia) Critical Temperature (°F) Critical Density (lb. Looking to Buy or Sell Refrigerant? See our Full Product Line Pressure Temperature Chart Our R-134a and R-1234yf air conditioning system pressure charts are a helpful tool for interpreting pressure readings when recharging with A/C Pro®. This comprehensive guide provides you with the tools and knowledge to effectively use an R410a Pressure Temperature (PT) chart, regardless of your experience level. The pressure-based PT chart results in the same values but is much easier to use. Pressure is the base of refrigeration and controlling pressure allows us to control temperatures. 8 Environmental Classification Molecular Weight Boiling Point (1atm,°F) Critical Pressure (psia) Critical Temperature (°F) Critical Density (lb. By Jim Lavelle The pressure-temperature (PT) chart is a valuable tool that service technicians use to check proper system operation. 6 Pressure Temperature Chart free download. R134a Pressure-Temperature Chart*Inches of mercury R134a Pressure-Temperature Chart – techtownforum. 8 6 18 1. 7 9. Below 1 ATM USE THIS QR CODE TO DOWNLOAD Pressure, psig (pounds per square inch guage), BOLD Vacuum, inhg (inches of Mercury), Italics P-H DIAGRAM — BLENDS Bubble Point Refrigeration Cycle R454B refrigerant pressure chart tells you what are pressures of R454B at -40°F to 150°F temperatures. 0) ASHRAE Standard 34 Safety Rating When it comes to maintaining and repairing HVAC systems, understanding how to read a refrigerant Pressure-Temperature (PT) chart is essential. Use the Bubble column to get the bubble temperature. R-410A Pressure-temperature chart Apr 23, 2025 · The Pressure-Temperature (PT) chart is your essential tool. 1 3. °F PSIG PSIG Temp. The charts start at the low end (-49°F) and tell you the pressures all the way to the high end (150°F). /ft ^3) Heat of Vaporization (bp, BTU/lb. These charts, often referred to as pressure-temperature (PT) charts, are crucial for diagnosing AC issues. By understanding the relationship between pressure and temperature, technicians can effectively use these charts to identify operating conditions, identify system problems, determine refrigerant charge, and diagnose system Understanding PT Chart Fundamentals Pressure-Temperature (PT) charts are the cornerstone of HVAC diagnostics, providing technicians with critical data to evaluate system performance, diagnose issues, and ensure optimal operation. It is then clear that the average temperature for the coil is 15°F. Apr 23, 2025 · Understanding the relationship between its pressure and temperature is crucial for diagnosing and resolving cooling problems. Includes 53 different calculations. After determining the correct pressure using the chart on the reverse of this page, monitor the pressure readings constantly while charging. Read more at: https://learnmetrics. ) Hill PHOENIX Pressure-Temperature Chart for CO2 Hill PHOENIX Pressure-Temperature Chart for CO2 *All data from NIST Refprop 8. 0) ASHRAE Standard 34 Safety Rating R-11 CFC Environmental Classification Molecular Weight Boiling Point (1atm,°F) Critical Pressure (psia) Critical Temperature (°F) Critical Density (lb. 1 psig) and use the PT chart to determine the temperature. Refrigerant Pressure - Temperature Chart Pressure values are displayed for R-22, R-410a, R-407c, R-134a and R-404a refrigerants. PRESSURE (PSIG)* R-402B R-404A R-407A R-407A R-407C Liquid Liquid Liquid Vapor Liquid Pressure Pressure Pressure Pressure Pressure 1. Pressure Temperature Charts Vapor Pressure in PSIG Refrigerant Boiling Point Liquid Density Refrigerants 22, 134a, 404A, and 507 values are based on 100°F liquid temperature and the stated evaporator temperature. 000 760. They are widely used in the industry due to their accuracy and practicality, offering a quick reference guide for Pressure Temperature Chart USA (°F/psig) ing with all refrigerants involves a degree of risk. 5 psig pressure. I can assure you that when you take your vehicle into a dealership that the pressure and temperature are one of the first things they check when troubleshooting. Subcooling = Bubble Temperature - Actual Temperature. 8 10 Molar mass, gas constant, and critical-point properties Ideal-gas specific heats of various common gases Properties of common liquids, solids, and foods Saturated water—Temperature table Saturated water—Pressure table Superheated water Compressed liquid water Saturated ice–water vapor T-s diagram for water Mollier diagram for water Saturated refrigerant-134a— Temperature table porator outlet with gauge. I look forward to responding to many more! If you have an HVACR related question, drop it in the comment section of one of the YouTube videos at the AC Service Tech YouTube Channel and I will do my best to respond. Example: What is the pressure of 134A freon at 85°F? R410A Pressure-Temperature Chart Saturation Pressure-Temperature Data for R410A (psig)* *Red Italics Indicate Inches of Mercury Below Atmospheric Pressure R-410A Pressure Temperature Chart (2025) Below is a simplified R-410A pressure temperature chart for common temperatures, based on saturated vapor conditions (liquid and vapor in equilibrium). Single-component refrigerants and azeotropes boil and condense at one temperature for a given pressure. /ft ^3) Liquid Heat of Vaporization (bp, BTU/lb. Search by pressure (psig)Search by temperature (c/f) Environmental Classification Molecular Weight Boiling Point (1atm,°F) Critical Pressure (psia) Critical Temperature (°F) Critical Density (lb. Here are 4 examples of how you can use this chart: Example 1: What is the pressure of r410a at 72 degrees Fahrenheit? We can see that at 72°F, the R410A pressure is 208 SUBJECT: TEMPERATURE - PRESSURE CHART FOR R-22, R-410A, R-407C, R-134A & R-404A REFRIGERANTS FYI #289 9/17/2009 updated 10/10/2012 Data points are reproduced based on available information. Refrigerant Pressure Temperature Chart - PT Chart for R-410A, R-134A, and R-22 These are currently the three most widely used refrigerants on the market today for HVAC applications in residential and commercial use. 7 psig to 462. psig or ‘pounds per square inch gauge’ is a pressure unit we usually in HUDSON REFRIGERANTS PRESSURE TEMPERATURE CHART VAPOR TEMPERATURE CHART Phone: 800. Inversely, you can also tell the temperature of R488a refrigerant if you know the pressures (from 0. This calculator employs a specific formula to provide accurate results, aiding professionals in making informed decisions related to processes involving substances with vapor pressure considerations. Download free printable Pressure Temperature Chart samples in PDF, Word and Excel formats R22 PT chart describes the relationship between temperature and pressure. Refrigerants 22, 134a, 404A, and 507 values are based on 100°F liquid temperature and the stated evaporator temperature. Quick Guide to R410a PT Charts What is R410a? Environmental Classification Molecular Weight Boiling Point (1atm,°F) Critical Pressure (psia) Critical Temperature (°F) Critical Density (lb. By using the chart, technicians can pinpoint these problems more effectively May 16, 2025 · Get here the R-454B refrigerant pressure temperature chart guide featuring accurate data, properties, and specifications to operate your refrigeration system. R404A Pressure-Temperature Chart Saturation Pressure-Temperature Data for R404A (psig)* *Red Italics Indicate Inches of Mercury Below Atmospheric Pressure Example: What is the pressure of R404A at 85°F? Just check the R404A PT chart below and you will see that the pressure of 404A liquid at 85°F is 189. Make your job easier with our handy refrigerant pressure temperature HVAC app with R-421A included. If you know the pressure of R454B (between 8. 5 psig and the pressure of 404A vapor is 187. 7 7. 3 11. Official EPA 608 Exam Refrigerant Pressure-Temperature Chart Trade Masters Online LLC Thanks for all your continued support! I appreciate all the comments, questions, and responses that I receive from each of you. 0) ASHRAE Standard 34 Safety Rating May 25, 2019 · Without knowing the pressure in your system and the corresponding saturation point then you are in essence going in blind when you attempt to troubleshoot your air conditioning system. ) Aug 10, 2025 · Master the refrigerant pressure temp chart. xls ICOR International Coil Temperature Chart HOT SHOT and NU-22 Evaporator Design NU-22 Hot Shot Design NU-22 Temp. believes that the information contained herein is accurate and reliable, it is presented without guarantee or responsibility of any kind and does not constitute any representation or warranty of Honeywell International Inc. For business related inquires email us at Check back Sep 16, 2025 · Get here the R-454B operating pressures chart guide featuring accurate data, properties, and specifications to operate your refrigeration system. Inversely, you can also measure the pressure (from 10. With the blend, you read the saturated temperature next to the pressure in the liquid (bubble point) column of the chart. Jun 12, 2024 · R134a pressure-temperature (PT) charts find widespread use across various applications involving refrigeration and air conditioning systems. Equations displayed for easy reference. A pressure-temperature chart gives information on how the temperature and pressure of a substance are related to one another. 614 g/mol -58. 6 Pressure Temperature Charts Vapor Pressure in PSIG Refrigerant Boiling Point Liquid Density R-401a refrigerant pressure/temperature charts & guide to charge quantity for air conditioners & heat pumps. Finding Accurate Readings To properly interpret values from the refrigerant pressure temperature chart, follow these steps: Take the Pressure Reading: Use your gauges to measure the low and high side pressures of your HVAC system. Advantage assumes no responsibility or liabililty for data errors. You will find two useful resources here, namely: R134A PT chart is a standard table. 8 psig). 6 1. Both suction and liquid line values are based on a pressure drop equivalent to 1°F change in saturation temperature. This web app graphs the barometric pressure forecast and history of any location, along with relevant current weather data such as temperature, humidity and wind. Ammonia saturation or pressure/temperature charts are commonly also known as boiling/condensing charts. This air conditioning repair article series discusses the the diagnosis and correction of abnormal air conditioner refrigerant line pressures as a means for evaluating the condition of the air conditioner compressor motor, which in turn, is a step in how we evaluate and correct lost or Looking to Buy or Sell Refrigerant? See our Full Product Line Saturation Pressure-Temperature Data for R22 (psig)**Red Italics Indicate Inches of Mercury Below Atmospheric Pressure A Refrigerant Temperature Pressure Reference Chart Shows Pressures at Various Temperatures for R22, R134A, R407C, R404A, R410A, R507A. mercury vacuum. Technicians rely on these charts for accurate refrigerant charge estimations. As an operator/technician you will be using many different saturation charts for the various refrigerants and is an essential tool to understand what is going on inside the system. Unlike printed PT charts or manual references, this tool is interactive, instant, and mobile-friendly. 9 763. Temperature-Pressure Chart for Common Refrigerants Mar 20, 2019 · Diagnose problems for your R-22 appliance with our complete Pressure Chart. Basically, this 134A PT chart tells you what is the pressure of R134A refrigerant at certain temperatures. 4 psig to 437. It tells you what is the pressure of R488a liquid and vapor refrigerant from -49°F to 150°F. 0) ASHRAE Standard 34 Safety Rating 12. 0) ASHRAE Standard 34 Safety Rating Pressure Temperature Table and Chart for Common Refrigerants Here you find common refrigeration PT Charts. ktkkox suwt sjrezwg dxsy jdrp nwy hgpxdw ocmsp agp otas