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DuPont™ Suva

®

 HP Refrigerants

Properties, Uses, Storage, and Handling

Table of Contents

Page

Introduction

................................................................................................................. 1

Background ................................................................................................................ 1
Suva

®

 HP Refrigerants ............................................................................................... 1

Uses

............................................................................................................................. 1

Physical Properties

..................................................................................................... 2

Chemical/Thermal Stability

........................................................................................ 2

Stability with Metals .................................................................................................... 2
Thermal Decomposition ............................................................................................ 10
Compatibility Concerns if R-502 and Suva

®

 HP Refrigerants Are Mixed ................... 10

Materials Compatibility

 ............................................................................................ 10

Elastomers ................................................................................................................ 10
Motor Materials ......................................................................................................... 12
Desiccants ................................................................................................................ 13
Refrigeration Lubricants ............................................................................................ 13

Safety

........................................................................................................................... 13

Inhalation Toxicity ...................................................................................................... 13
Cardiac Sensitization ................................................................................................. 15
Skin and Eye Contact ................................................................................................ 15
Spills or Leaks ........................................................................................................... 15
Combustibility of Suva

®

 HP Refrigerants ................................................................... 15

Air Monitors and Leak Detection

 .............................................................................. 16

Types of Detectors .................................................................................................... 16

Nonselective Detectors .......................................................................................... 17
Halogen-Selective Detectors ................................................................................. 17
Compound-Specific Detectors ............................................................................... 17
Fluorescent Additives ............................................................................................ 17

Storage and Handling

................................................................................................ 17

Shipping Containers in the U.S. ................................................................................. 17
Bulk Storage Systems ............................................................................................... 18

Converting Bulk Storage Tanks from R-502 to Suva

®

 HP Refrigerants .................. 19

Material Compatibility Concerns ............................................................................ 19

Handling Precautions for Suva

®

 HP Refrigerant Shipping Containers ....................... 19

Recovery, Recycle, Reclamation and Disposal

 ....................................................... 20

Recovery ................................................................................................................... 21
Recycle ..................................................................................................................... 21
Reclamation .............................................................................................................. 21
Disposal .................................................................................................................... 21

Summary of Contents for Suva 404A

Page 1: ...nformation P HP DuPont Suva HP80 R 402A refrigerant DuPont Suva HP81 R 402B refrigerant DuPont Suva 404A HP62 refrigerant DuPont Suva HP Refrigerants Properties Uses Storage and Handling DuPont Suva r...

Page 2: ...Toxicity 13 Cardiac Sensitization 15 Skin and Eye Contact 15 Spills or Leaks 15 Combustibility of Suva HP Refrigerants 15 Air Monitors and Leak Detection 16 Types of Detectors 16 Nonselective Detector...

Page 3: ...CF2 HCl 75 45 6 86 47 HFC 125 Pentafluoroethane CF3 CHF2 354 33 6 120 02 HFC 134a 1 1 1 2 Tetrafluoroethane CF3 CH2 F 811 97 2 102 0 HFC 143a 1 1 1 Trifluoroethane CF3 CH3 420 46 2 84 08 HC 290 Propan...

Page 4: ...d SI units are available in Bulletins T HP80 ENG T HP80 SI T HP81 ENG T HP81 SI T HP62 ENG and T HP62 SI for Suva HP80 Suva HP81 and Suva 404A HP62 Chemical Thermal Stability Stability with Metals Sta...

Page 5: ...essure at 25 C 77 F kPa 1337 1254 1255 psia 194 0 181 9 182 0 Heat of Vaporization kJ kg 194 0 210 0 202 1 at Boiling Point Btu lb 83 5 90 3 87 0 Thermal Conductivity at 25 C 77 F Liquid W m K 6 91E 2...

Page 6: ...Figure 1 DuPont Suva 404A HP62 Pressure Enthalpy Diagram SI Units 4 DuPont Suva 404A HP62 Pressure Enthalpy Diagram SI Units...

Page 7: ...Figure 2 DuPont Suva 404A HP62 Pressure Enthalpy Diagram English Units 5 DuPont Suva 404A HP62 Pressure Enthalpy Diagram English Units...

Page 8: ...Figure 3 DuPont Suva HP80 R 402A Pressure Enthalpy Diagram SI Units 6 DuPont Suva HP80 R 402A Pressure Enthalpy Diagram SI Units...

Page 9: ...Figure 4 DuPont Suva HP80 R 402A Pressure Enthalpy Diagram English Units 7 DuPont Suva HP80 R 402A Pressure Enthalpy Diagram English Units...

Page 10: ...Figure 5 DuPont Suva HP81 R 402B Pressure Enthalpy Diagram SI Units 8 DuPont Suva HP81 R 402B Pressure Enthalpy Diagram SI Units...

Page 11: ...Figure 6 DuPont Suva HP81 R 402B Pressure Enthalpy Diagram English Units 9 DuPont Suva HP81 R 402B Pressure Enthalpy Diagram English Units...

Page 12: ...xist ing equipment or preparing storage and handling facilities Because the Suva HP products have been designed as refrigerants the compatibility data summarized here will include materials commonly u...

Page 13: ...ND 7 Cl ppm ND ND 7 values for Suva HP80 assumed to be comparable Suva 404A HP62 with various lubricants Suva 404A HP62 Suva 404A HP62 Suva 404A HP62 Suva 404A HP62 with Mineral Oil with Alkylbenzene...

Page 14: ...not occur when PET is aged in HP81 or Suva 404A HP62 with ester lubricants at 150 C 302 F Polyesterimide Enameled Motor Wire amide imide overcoated NEMA NW 35C No extracts or precipitates were observ...

Page 15: ...rtant to know that the lubricants used with the Suva HP refrigerants will return to the compressor using existing equipment designs Different compressor and equipment manufacturers will recommend lubr...

Page 16: ...ses 1 phase w polyol ester 60 80 1 phase Suva HP80 w mineral oil 50 65 72 2 phases 2 phases inversion w alkylbenzene 50 66 72 2 phases 2 phases inversion w polyol ester 50 72 1 phase Suva 404A HP62 w...

Page 17: ...ys wear protective clothing when there is a risk of exposure to liquid refrigerants Where splashing of refrigerant may occur always wear eye protection and a face shield Spills or Leaks If a large rel...

Page 18: ...d should never be filled while under positive air pressure Filled cylinders should periodically be analyzed for air nonabsorbable gas or NAG Refrigerant Recovery Systems Efficient recovery of refriger...

Page 19: ...erence from other compounds With Suva HP refrigerants using compound specific detectors may be difficult because the different mixtures often contain similar types of compounds In an area where differ...

Page 20: ...erants from the United States The general construction of a one ton returnable container is shown in Figure 7 Note that one end of the container is fitted with two valves When the container is turned...

Page 21: ...ating step 2 until R 502 and moisture levels are within acceptable limits 5 Refilling the system with Suva HP refrigerant This is a simplified outline of what is actually a lengthy procedure Your DuPo...

Page 22: ...pment are the same as those on the container valve outlets Keep valves tightly closed and valve caps and hoods in place when the containers are not in use Store containers under a roof to protect them...

Page 23: ...dure with no analytical testing of refrigerant Suva HP refrigerants may be recycled using many of the devices now available In the United States the EPA sets standards for these devices Recycle is alr...

Page 24: ...111 DuPont Far East Inc 6th Floor Bangunan Samudra No 1 JLN Kontraktor U1 14 SEK U1 Hicom Glenmarie Industrial Park 40150 Shah Alam Selangor Malaysia Phone 60 3 517 2534 DuPont Korea Inc 4 5th Floor A...

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