OpteonTM XL41 Refrigerant R-454B. Tons based on standard refrigerant cycle of 40 °C saturated liquid and saturated evaporator outlet temperature. Liquid tons based on -5 °C evaporator temperature. Suction line pressure drop assuming half of the pressure drop occurs upstream of the reference temperature. Discharge line pressure drop ...I shouldn't feel so tired. So overwhelmed. So underwhelmed. I shouldn't feel so much pressure. So much guilt. So much anxiety. I shouldn't expect so much from myself...diaphragm which affect its operation: sensing bulb pressure P1, equalizer pressure P2, and equivalent spring pressure P3 (see Figure 1). The sensing bulb pressure is a function of the temperature of the thermostatic charge, i.e., the sub-stance within the bulb. This pressure acts on the top of theR454B: GWP 466: R447A: GWP >500: R32: ... R452B: GWP 676: This chart shows how A2L refrigerants stack up against other refrigerant groups for GWP and density ...Ethanol orthoHydrogen R143m R454B . Ethylbenzene Oxygen R150 R454C . Ethylene o-Zylene R152a R455A* EthyleneOxide paraHydrogen R161 R456A* ... EES will not accept pressure, along with temperature, as an independent property input in the Enthalpy and IntEnergy functions for ideal gas substances. A general rule is that substances having a name ...The adoption of R454B is particularly important due to its low Global Warming Potential (GWP). With a GWP of 466, R454B significantly reduces the potential impact on the environment compared to its predecessor, R410A ( ). This decrease in GWP is a step forward in reducing carbon emissions and enhancing sustainability in cooling applications.Learn about the properties, applications and equipment of Solstice® 454B (R-454B), a mildly flammable refrigerant with low GWP and ODP. Find thermodynamic and …Online Water saturation pressure Calculator. The calculator below can be used to calculate the water saturation pressure at given temperatures. The output pressure is given as kPa, bar, atm, psi (lb/in 2) and psf (lb/ft 2 ). Temperatur must be within the ranges 0-370 °C, 32-700 °F, 273-645 K and 492-1160 °R. The saturation pressure of water ...PRESSURE (PSIG)* PRESSURE (PSIG)* Sat Temp (°F) R-22 R-32 R-123 R-134a R-401A Liquid Pressure R-401A Vapor Pressure R-401B Liquid Pressure R-401B Vapor PressureNamed for their ASHRAE safety classification, A2L refrigerants are characterized by mild flammability, low toxicity, and low global warming potential (GWP). They include hydrofluoroolefins (HFOs) and HFO blends. A2L refrigerants offer similar operating characteristics to legacy refrigerants, a safer profile than ammonia and hydrocarbon ...4. Mixed refrigerant. Will be two or more pure refrigerants mixed in proportion to achieve a comprehensive performance balance. For example, R410A (R32 and R125 approximate 50/50 blend) and R454B ...Contents - Index. R454C. R454C (also known as Opteon XL20) is a zeotropic mixture consisting of 21.5 weight% R32 and 78.5% R1234yf. It is considered to be a replacement fluid for R404A. . It has a molar mass of 90.8 kg/kmol. Thermodynamic and transport property data for R454C are provided using a generalized equation of state fitted by F-Chart ...Pressure (MRP/PS) 700 psig 48.3 bar Maximum Installation Temperature 250°F 120°C Capacity Range Available in 11 different capacity codes from 1/6 tons up to 8 tons 0.6 kW up to 28 kW Connections (ODF) Inlet - 1/4", 3/8" Outlet - 3/8", 1/2", 5/8" External Equalizer - 1/4" Capillary Tube Length 30 inches 7.6 cm Thermostatic ChargesVapor Pressure log n P sat = A + B/T + C log n T + D T 2 For SI Units T is in K and P is in kPa (abs). A, B, C, and D are constants. Constants for vapor pressure of saturated liquid (bubble point), p f: A = 4.27103 E+01 C = -4.39387 E+00 B = -3.34460 E+03 D = 6.86997 E-06 Constants for vapor pressure of saturated vapor (dew point), p g:systems as well as automotive air conditioning systems. 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). The temperature glide runs about 13°F in the evaporator. The ...It makes sense since the concentration of R454B is also between the two mixtures. In addition, the pressure difference from liquid and vapor phases shows that R454B has a higher temperature glide than the 85/15 mixture. The higher temperature glide may cause a reduction in heat transfer due to the mass transfer resistance.R454B is broadly compatible with HVAC systems originally designed for R410A, making . it a popular choice for retrofit applications and new installations. Thanks to its favorable . thermodynamic properties and low-pressure characteristics, R454B may be utilized in various air conditioning and heat pump systems with the proper system modifications,Tons o f Refrigeration - 2 00 Feet Equivalent Pipe Length. Re frigerants 22, 134a, 404,A and 507values are based on 100° F liquid temperatureand the stated evaporator temperature. R e frigerant 717 (ammonia) values are b ased o n 86° F liquid temperature and 20° F evaporator temperature. Both s uction a n d liquid line values a re based on a ...R-32 does operate at a slightly higher pressure and a slightly higher discharge temperature than R-410A. While some may say this higher discharge temperature is a potential issue, we don't believe it is. Daikin and other compressor manufacturers have developed compressors for R-32 already. In fact, over 40 companies are selling R-32 products ...Title: NRI-PTCHART-2014 Created Date: 7/14/2014 10:55:02 AMBefore any condensation occurs, the high pressure vapor must first be brought to a saturated condition (de-superheated). FORM 5-200 / Page 3. Enough heat must be transferred from the refrigerant to lower its temperature from 180oF to the saturation temperature of 100oF (point #2A on the chart).R513A Pressure enthalpy chart. Scroll down to find download buttons for pressure enthalpy charts in either Metric or Imperial Units. Downloads as a PDF.Refrigerant Pressure-Temperature (PT) charts are the unsung heroes of the HVAC (Heating, Ventilation, and Air Conditioning) industry. These charts may seem like a collection of numbers and lines, but they hold the key to understanding how refrigerants behave under different conditions. In this blog post, we'll dive into the world of PT charts ...Temperature pressure chart for r-134a, r410a, 1234yf flexible magnet 5.R454b pressure temperature chart R290 r410a 134a magnet x11 refrigerationR404a pressure temperature chart. Check Details R454b refrigerant pressure chart. R404a pressure temperature chartPressure chart temperature pt r410a r12 r134a ac temp charts ..R452B and R454B GWP rates are quite low compared to R410A or and their energy performance is slightly higher than R134a. ... It is found that when the evaporator temperature is − 10 °C and − ...Blood pressure charts show blood pressure levels and can be used by adults of any age, as these levels do not change with age, according to Blood Pressure UK. Blood pressure should...Refrigerant Slider, now a part of Ref Tools, helps you quickly calculate the pressure-to-temperature ratio for more than 80 refrigerants, including natural refrigerants such as ammonia and transcritical CO 2. Refrigerant Slider also provides you with information about each refrigerant, including Global Warming Potential (GWP) and Ozone ...R454B Thermodynamic & Transport Properties (Based on Venus model) Name Category Pure/Mixture Short Name Full Name ... Critical Temperature . Critical Pressure Critical Density. Mixture Component R454B ...r454b refrigerant pressure › Refrigerants Pressure Temperature Charts. Refrigerants Pressure Temperature Charts. 4.8 (105) · USD 235.99 · In stock. ... Refrigerant High &Low Pressure Temperature Chart ,R22 R410A ,R12 ,R134A ,R401A ,R409A ,R502 ,R404A ,R507A ,R408A ,R402A ,R600A MBSM DOT PRO.Title: NRI-PTCHART-2014 Created Date: 7/14/2014 10:55:02 AMNumbering scheme. According to ASHRAE standard 34, the R-number of a chemical refrigerant is assigned systematically according to its molecular structure and has between two and four digits. If there are carbon-carbon multiple bonds, there are four digits in all: the number of these bonds is the first digit and the number of carbon atoms minus one (C-1) is next.We supply this refrigerant gas in a range of package sizes to suit a wide range of applications. Typically, this will include both cylinders and drum tanks. Bulk deliveries may also be available on request. R454C (Opteon™ XL20) is a non-ODP, low GWP (148) refrigerant with properties that make it suitable as a replacement for R404A in new ...Critical Pressure (psia) 490.6 Critical Temperature (°F) 202.5 Critical Density (lb./ft^ 3) 29.69 Vapor Density (bp,lb./ft^ 3) 0.374 Heat of Vaporization (bp,BTU/lb.) 77.53 Global Warming Potential (CO2 = 1.0) 4 ASHRAE Standard 34 Safety Rating A2L Physical Properties Liquid Density Refrigerant -80°F -40°F 0°F 40°F 80°F 120°F R-1234yfR32 has lower LCCP vs. R454B MATURITY - USED SINCE 2012 2016 2014 2013 2014 2014 2012 NORTH AMERICA EUROPE AUSTRALIA JAPAN INDIA THAILAND. FREQUENTLY ASKED QUESTIONS: ... - Critical temperature is the temperature above which a pressure change cannot liquify the refrigerant, no matter how muchDST P110 pressure sensor, NTC & PT100 temperature sensor Highly precise, providing a +/-1% ... • Ideal for high pressure transcritical systems (CCMT & ICMTS) or subcritical systems (CCM & CCMT) ... R410A • R32 • R454B • R404A • R134a • R448A • R449A • R290 R410A • R32 • R454B •Critical Pressure (psia) 655 Critical Temperature (˚F) 178.7 Critical Density (lb./ftˆ3) 29.06 ... PRESSURE-TEMPERATURE CHART National R-449A TEMP (˚F) Liquid (psig) Vapor (psig)-40 4.8 0.0-35 7.4 2.0 ... • Recovery of R-449A requires a recovery cylinder with a service pressure of 300 psig minimum.Critical Temperature 78.1 C° Critical Pressure 52.7 bar Critical Volume 0.00226 m3/kg Critical Density 443.1 kg/m3 Vapour Density at 0 kPa (Boiling Point) 3.57 kg/m3 Liquid Density at 0 °C 1081.5 kg/m3 Liquid Density at 25 °C 984.6 kg/m3 ... SOLSTICE 454B P-T CHART "PRESSURER-454B is non-toxic in nature. It belongs to the A2L safety class, which makes it slightly more flammable than the R-410A, which belongs to the A1 safety class. Based on this, R-454B is still safe to use, as it will not be ignited by static electricity. It can ignite only if there is a significant amount of leak – with a concentration level ...Critical Pressure (psia) 554 Critical Temperature (°F) 219.9 Critical Density (lb./ft^ 3) 30.73 Vapor Density (bp,lb./ft^ 3) 0.3398 Heat of Vaporization (bp,BTU/lb.) 87.55 Global Warming Potential (CO2 = 1.0) 547 ASHRAE Standard 34 Safety Rating A1 Physical Properties Refrigerant -80°F -40°F 0°F 40°F 80°F 120°F R-450AWe would like to show you a description here but the site won't allow us.Online Water saturation pressure Calculator. The calculator below can be used to calculate the water saturation pressure at given temperatures. The output pressure is given as kPa, bar, atm, psi (lb/in 2) and psf (lb/ft 2 ). Temperatur must be within the ranges 0-370 °C, 32-700 °F, 273-645 K and 492-1160 °R. The saturation pressure of water ...Dec 19, 2018 · Thoughts on R-454B. R-454B, or XL41, was invented and designed by the Chemours company as an alternative to R-410A applications. These applications include your traditional home air conditioners, your commercial air conditioners, heat pumps, and the occasional chiller. XL41 is a blended HFO refrigerant is comprised of sixty-eight point nine ...R454B Thermodynamic & Transport Properties (Based on Venus model) ... Critical Temperature ... Saturated Vapor Pressure, Boiling Point(dew point), Latent Heat of ...This Guide covers the application of A2L refrigerants in refrigeration systems which are within the scope of EN 3781. It does not cover air conditioning and heat pump systems and it does not cover small (integral) systems which are within the scope of a product standard. It is not a complete design guide. The Guide takes a risk assessment based ...How to Read the R454B Refrigerant Pressure Chart. The r454b refrigerant pressure chart is a very important document that every technician should be well versed in. Reading the r454b refrigerant pressure chart is not complicated, but it does require some time and effort. The first step is to identify what type of refrigerant you are using and ...However, it can be replaced with R-32, R-454A, R452B, R454B, R454C, and R457A. The two most common are R-32 and R454B. While somewhat flammable and non-toxic, R-454A is safe for commercial products. It is thought that this refrigerant has a lower global warming potential (GWP). Cons of R-454A. There are some drawbacks to using R-454A.1 Properties and characteristics of R600a freon; 2 Pros and cons of the R600a; 3 Compressor oil compatibility; 4 Pressure-temperature table for freon R600a; 5 Isobutane and the Montreal Protocol; 6 Mixed refrigerant applications; 7 Thermodynamic log(p)-h diagrams for freon R600a; 8 Safety precautions when working with R600a; 9 Comparison of R600a, R290, R134a, R404A, R22 and R12Retrofit - Complete refrigerant data. General Information and notes. Planning − R404A and R507A retrofit. Planning − R22 retrofit. Practical retrofit of R404A and R507A. Practical retrofit of R22. Solutions by BITZER for future refrigerants. A-501-21 - digital. Information.r454b refrigerant pressure › Refrigerants Pressure Temperature Charts. Refrigerants Pressure Temperature Charts. 4.8 (105) · USD 235.99 · In stock. ... Refrigerant High &Low Pressure Temperature Chart ,R22 R410A ,R12 ,R134A ,R401A ,R409A ,R502 ,R404A ,R507A ,R408A ,R402A ,R600A MBSM DOT PRO.7. Evaporator pressure drop — no external equalizer 8. External equalizer location 9. Restricted or capped external equalizer 10. Low refrigerant charge 11. Liquid line vapor a. Vertical lift b.High friction loss c.Long or small line d.Plugged drier or strainer 12. Low pressure drop across valve a.Same as #11 above b.Undersized distributor ...Refrigerant Slider, now a part of Ref Tools, helps you quickly calculate the pressure-to-temperature ratio for more than 80 refrigerants, including natural refrigerants such as ammonia and transcritical CO 2. Refrigerant Slider also provides you with information about each refrigerant, including Global Warming Potential (GWP) and Ozone ...Technical facts for the refrigerant R-1234YF including the PT chart and service instructions. Applications and history of 1234yf. ... Critical Temperature: 95°C (203°F) Critical Pressure: 34 bar(a) Auto ignition Temperature: 405°C (761°F) Manufacturers: Honeywell, Chemours, and Arkema: Manufacturing Facilities: Texas, Louisiana, & China:Temperature range [°C]: -30 - 15, Orifice capacities [kW]: 67.00, Orifice capacities [TR]: 19.00, Pressure equalization: Externally equalized ... R454B: Serviceable: No: Static Superheat (SS) [°C] 4 °C: Static Superheat (SS) [°F] 7.2 °F: Superheat setting: ... Working Pressure [bar] 49 bar: Max. Working Pressure [psig] 711 psig: MOP Point ...R454B Pressure Enthalpy Chart. Download a PDF copy of the pressure enthalpy chart for both Metric and Imperial Units.Temperature of the saturated liquid q 1 atm -18 -52 -50.5 Practical limit value PL (kg/m³) 0.061 0.061 0.039 ... R32 and R454B are heavier than air and therefore accumulate on the ground. Under certain circumstances, concentrations can therefore be reached in ... Mixing with air or other gases leads to unusually high pressure in the ...An R454B optimized dedicated heat pump compressor with higher allowable discharge gas temperature limits, the PSH compressor with vapor injection is also multi-refrigerant qualified for R410A and R454B and simplifies the transition to R454B, which has a lower global warming potential. ... The same compressor can be used for both R410A and R454B ...R-1234ze Refrigerant PT Chart March 25, 2022 January 14, 2020 by Alec Johnson 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.R454b pressure temperature chart. R454b pressure temperature chartChart pt r410a r22 temperature hvac charts pressure refrigerant air r407c conditioning refrigeration refrigerants table rcgroups gauge readings tools size Pt-charts-r22-r407c-r417a-r410a.jpg; 508 x 669 (@100%)R134a refrigerant 134a rechargecolorado. ...I shouldn't feel so tired. So overwhelmed. So underwhelmed. I shouldn't feel so much pressure. So much guilt. So much anxiety. I shouldn't expect so much from myself...When you build a PC, your processor usually comes with a small cooler—but people often recommend upgrading to a large aftermarket cooler for cooler, quieter operation. But how much...The fluorinated refrigerants phase-down, as defined in the EU F-Gas Regulation, is a step-by-step approach where the quantities of HFCs, expressed in CO2 equivalent, that are placed on the market are gradually reduced. As a result of the phase-down, HFC consumption will be reduced by 79% by 2030. This is an unprecedented reduction and means ...The calculator below can be used to calculate the water saturation pressure at given temperatures. The output pressure is given as kPa, bar, atm, psi (lb/in 2) and psf (lb/ft 2 ). Temperatur must be within the ranges 0-370 °C, 32-700 °F, 273-645 K and 492-1160 °R. The saturation pressure of water depends on temperature as shown below: See ...Check Details R454b pressure enthalpy chart. Refrigerant pressure temperature charts for r-22, r-12, r-134a used inR600a refrigerant r32 r290 r134a pflag r22 r170 Pressure r134a refrigeratorsRefrigerant r454b.The EPA's SNAP Rule 23 identifies six A2L refrigerants as safe alternatives to R410. In addition to R32 and R454B, the EPA has also approved R452B, R454A, R454C, and R457A.These refrigerants are currently approved only for new self-contained and split-system air conditioners that are specifically designed for A2L refrigerants.Listen this articleStopPauseResume From R-22 to R-410a and now R-454b, the HVAC industry continues its green journey. Discover how this eco-friendly refrigerant is reshaping the industry landscape. In 2010, the HVAC industry underwent a pivotal transformation as it transitioned from the ozone-depleting R-22 refrigerant to the more eco-friendly R-410a. However, as environmental concerns grew, aRefrigerant Pressure Temperature Chart. Using the drop down menus below simply select Refrigerant or Temperature to find the information you need. To see the entire chart or compare different gases, select Show All where appropriate. Refrigerant. Temperature. R22. R134a. R507. R410A.Carbon dioxide (CO2) is the benchmark greenhouse gas with a designated GWP of 1. Most common refrigerants like R410A, R22, and R134A have a GWP of about 2,000. That means they are about 2,000 worse greenhouse gas than carbon dioxide. GWP of the most commonly used refrigerants in HVAC like R410A, R134A, and R32 is about 2,000.Ethanol orthoHydrogen R143m R454B . Ethylbenzene Oxygen R150 R454C . Ethylene o-Zylene R152a R455A* EthyleneOxide paraHydrogen R161 R456A* ... EES will not accept pressure, along with temperature, as an independent property input in the Enthalpy and IntEnergy functions for ideal gas substances. A general rule is that substances having a name ...Aug 4, 2023 · Check Details. R454B Pressure Enthalpy Chart - The Engineering Mindset. ← Rpm To Gpm Calculator R448a Pressure Temperature Chart →. Pt-charts-r22-r407c-r417a-r410a.jpg; 508 x 669 (@100%) R404a pressure temperature chart R454b pressure temperature chart Pressure chart temperature printable pdf steam edit fillable handypdf.R-600a Isobutane Refrigerant PT Chart. 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. Having these facts along with the saturation point, the subcool, and the ...Pressure Temperature Charts Vapor Pressure in PSIG In Vacuum (inches in Hg) °F °C R-422D Liquid R-422D Vapor 60 15.6 111 100 65 18.3 122 110 70 21.1 133 121 75 23.9 144 132 80 26.7 156 144 85 29.4 169 156 90 32.2 183 170 95 35.0 197 184 100 37.8 212 198 105 40.6 228 214 110 43.3 245 231 115 46.1 262 248 120 48.9 281 266 125 51.7 300 286 130 54.4 320 306 135 57.2 341 327 140 60.0 364 350Refrigerant Pressure - Temperature Chart. Pressure values are displayed for R-22, R-410a, R-407c, R-134a and R-404a refrigerants. Items Displayed in Red shows pressure in inches of Mercury. Items Displayed in Black shows pressure in pounds per inch gauge. Data points are reproduced based on available information.R454B. R454B (Opteon™ XL41) is a low GWP hydrofluoro-olefin (HFO) based refrigerant replacement for R410A in new equipment. R454B provides one of the lowest GWP alternatives available (466) of all near-drop-in solutions with a reduction of 78% compared to R410A. In addition to that, it is a very close match to R410A and in some cases even ...AAON's culture of innovation empowers its team to deliver solutions that lead to a cleaner and more sustainable future. Contact. Eric Taylor. Product Marketing Manager. Phone: (918) 583-2266. Email: [email protected]. AAON has shifted to using R-454B refrigerant, offering a lower GWP than R-410A across our product lines. Discover its benefits.The maximum cooling capacity was found for the evaporation temperature of 5 °C, which reached the maximum values of 15.83 (R410A), 15.97 (R32), 14.54 (R452B) and 14.53 kW (R454B). The average reduction in cooling capacity of the system when compared to R410A was 9.0% and 9.5% for refrigerants R452B and R454B, respectively.Online Water saturation pressure Calculator. The calculator below can be used to calculate the water saturation pressure at given temperatures. The output pressure is given as kPa, bar, atm, psi (lb/in 2) and psf (lb/ft 2 ). Temperatur must be within the ranges 0-370 °C, 32-700 °F, 273-645 K and 492-1160 °R. The saturation pressure of water ...An R-22 and R-404A Replacement Offering Superior Cooling for Diverse Refrigeration Systems. Opteon™ XL40 (R-454A) is a non-ozone depleting refrigerant providing an optimal balance of properties for industrial and commercial refrigeration systems, while also serving as the ideal R-22 and R-404A replacement.. Opteon™ XL40 refrigerant is an A2L low global warming potential (GWP ...Make your job easier with our handy refrigerant pressure temperature HVAC app with R-421A included.T 01455 630 790 Email: [email protected] National Refrigerants Ltd 4 Watling Close, Hinckley, Leicestershire, LE10 3EZ. Open in Google MapsR454B lowest GWP non ozone-depleting zeotripic blend as an alternative to R410A in comfort cooling and reversible heating applications. Contact Us Our Products. [email protected] +44(0) 117 980 2520. ... Critical Temperature. 78.1°C. Critical Pressure. 52.669 bar.R-134a TEMPERATURE PRESSURE CHART (Tabla de Temperaturas y Lecturas) Ambient Temperature °F / °C (Temperatura Ambiental) Low-Pressure Gauge (Puerto de Servicio del Lado de Baja Presion) High-Pressure Gauge (Puerto de Servicio del Lado de Lado de Alta Presion) 65°F (18°C) 25-35 psi / 172-241 kPa: 135-155 psi / 931-1069 kPa: …R454B Pressure Temperature Chart Printable PDF Temp er atu r e (° F ): Temp er atu r e (° C): R454B L i q u i d P r essu r e (p si g ): R454B Vap o r P r essu r e (p si g ):-40° F -40. 0° C 9. 9 psi g 8. 8 psi g-39° F -39. 4° C 10. 4 psi g 9. 4 psi g-38° F -38. 9° C 11. 2 psi g 10. 0 psi g-37° F -38. 3° C 11. 8 psi g 10. 6 psi gPRESSURE (PSIG)* PRESSURE (PSIG)* Sat Temp (°F) R-, SOLSTICE 454C P-T CHART PRESSURE (KPA) LIQUID (BUBBLE) TEMPERATURE (°C) VA, The EPA's SNAP Rule 23 identifies six A2L refr, With a global warming potential (GWP) of 148, the non-ozone depleting, hydrofluoroolefin (HFO) based Opteon™ XL20 (, PRESSURE (PSIG)* PRESSURE (PSIG)* Sat Temp (°F) R-22 R-32 R-123 R-134a R-401A Liquid Pressure R-401A Vapor Pressu, Ultra-low GWP: R-454B boasts an extremely low GWP of 466, making it an attractive choice for companies see, Most of you know R-32 as a necessary component in the widely popular HFC blend known as R-410A Puron. R-32 along with, Temperatuer Pressure Chart. File Type: pdf. Size: , R454B. Refrigeration Equipment. Air Cooled Condensers. Chiller, We would like to show you a description here but the site won&#, Mid-size, medium temperature systems 2 to 40 kW: R454C, R455C and R1, Lines of Constant Temperature Dew Point P-H DIAGRAM — BLENDS Tempe, R22 Refrigerant Pressure Temperature Chart. Pressure Temp C, Critical Temperature: 72.8° Celsius or 163.04° Farenheit, R-452B PT Chart. While charging or recovering a refri, R-600a Isobutane Refrigerant PT Chart. One of the very , R454b Refrigerant Pressure Chart. ... Pressure temperature chart ref, Make your job easier with our handy refrigerant pressure t.