Table Refrigerant R71 Ammonia) Properties of Superheated Vapour t v h s t v h s t v h s °C m³/kg kJ/kg kJ/kg-K °C m³/kg kJ/kg kJ/kg-K °C m³/kg kJ/kg kJ/kg-K Abs Pressure kPa Sat Temp 50.35°C Abs Pressure kPa Sat Temp 46.52°C Abs Pressure kPa Sat Temp 43.27°C Sat .733 413. .67 Sat .692 415. .65 Sat .656 416. .636 2 .746 422. .71 2 .700 42 .679 2 .660 419. .647 1 .763 433. .758 1 .716 432. .725 1 .675 431. .694 1 .780 445. .80 1 .732 444. .770 1 .690 443. .739 .796 456. .84 .748 455. .813 .705 45 .78 .813 468. .887 .764 467. .855 .720 466. .825 .829 479. .928 .779 478. .896 .735 477. .866 .846 490. .968 .795 489. .936 .750 489. .906 .862 501. .007 .810 50 .975 .764 500. .946 .878 512. .045 .825 512. .014 .779 511. .984 .894 523. .082 .841 523. .051 .793 522. .022 .910 534. .119 .856 534. .088 .807 533. .059 .926 545. .155 .871 545. .124 .822 544. .095 .942 556. .19 .886 556. .160 .836 555. .13 .958 567. .225 .901 567. .195 .850 566. .166 .974 578. .260 .916 578. .229 .864 57 .200 .989 59 .294 .930 589. .263 .878 589. .234 .005 60 .327 .945 600. .29 .892 600. .268 .021 612. .360 .960 611. .3 .906 611. .301 .036 623. .39 .975 622. .362 .920 622. .333 .052 634. .425 .990 633. .394 .934 633. .36 .068 645. .456 .004 64 .426 .948 644. .397 .083 656. .488 .019 656. .457 .962 655. .429 .099 667. .519 .034 667. .488 .976 66 .460 .115 678. .549 .048 678. .519 .990 678. .491 0 .130 690. .580 0 .063 689. .5 0 .004 689. .521 Sat .624 418. .617 Sat .594 420. .599 Sat .568 421. .582 2 .624 418. .617 1 .605 429. .636 1 .575 428. .608 1 .638 430. .664 1 .619 441. .681 1 .588 440. .654 1 .653 442. .709 .633 453. .72 .601 452. .699 .667 45 .753 .646 464. .768 .614 463. .742 .681 465. .796 .659 476. .810 .627 475. .784 .695 47 .837 .673 487. .851 .640 486. .825 .709 488. .878 .686 498. .890 .652 498. .865 .723 499. .917 .699 510. .929 .665 509. .904 .737 510. .956 .712 521. .967 .677 520. .942 .750 52 .994 .725 532. .004 .690 531. .979 .764 533. .031 .738 543. .041 .702 543. .016 .778 544. .067 .751 554. .077 .714 554. .05 .791 555. .103 .764 56 .112 .727 565. .087 .804 566. .138 .776 577. .14 .739 576. .122 .818 577. .173 .789 588. .181 .751 587. .156 .831 588. .207 .802 599. .214 .763 598. .190 .845 599. .240 .814 610. .24 .775 61 .223 .858 610. .273 .827 621. .280 .787 621. .256 .871 62 .306 .840 632. .31 .799 632. .288 .884 633. .338 .852 64 .344 .811 643. .320 .898 644. .370 .865 655. .376 .823 654. .35 .911 655. .402 .877 666. .407 .835 666. .383 .924 666. .433 .890 677. .438 .847 677. .41 .937 67 .464 0 .902 688. .468 0 .859 688. .444 0 .950 689. .494 0 .915 700. .49 0 .871 70 .474 0 .963 700. .524 1 .927 711. .528 1 .883 711. .504 1 .977 711. .554 1 .940 72 .558 1 .895 722. .534 Abs Pressure 6 kPa Sat Temp 23.81°C Abs Pressure 7 kPa Sat Temp 22.49°C Abs Pressure 8 kPa Sat Temp 21.22°C Abs Pressure 9 kPa Sat Temp 20.01°C Abs Pressure 0 kPa Sat Temp 18.85°C Abs Pressure 1 kPa Sat Temp 17.73°C PanGlobal Training Systems Refrigeration Tables