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 .543 42 .566 Sat .521 424. .551 Sat .501 425. .536 1 .548 427. .582 1 .523 425. .557 1 .512 437. .580 1 .560 439. .62 1 .535 438. .604 .523 449. .625 .573 451. .673 .547 450. .649 .535 461. .669 .585 462. .717 .559 46 .693 .546 472. .712 .598 474. .759 .571 473. .735 .557 484. .753 .610 48 .800 .582 485. .776 .569 49 .794 .622 497. .840 .594 496. .81 .580 507. .833 .634 508. .879 .606 508. .856 .591 518. .872 .646 520. .917 .617 519. .894 .602 530. .909 .658 531. .955 .628 530. .932 .613 541. .946 .670 542. .99 .640 54 .96 .623 552. .983 .681 553. .028 .651 553. .005 .634 56 .018 .693 56 .063 .662 564. .040 .645 575. .053 .705 576. .098 .673 575. .075 .656 586. .088 .716 587. .132 .685 586. .109 .666 597. .12 .728 598. .166 .696 59 .143 .677 608. .155 .739 609. .199 .707 609. .177 .687 620. .188 .751 620. .232 .718 620. .2 .698 631. .220 .762 63 .26 .729 631. .242 .709 642. .25 .774 643. .296 .740 642. .274 .719 653. .284 .785 654. .328 .751 654. .306 .730 665. .31 .797 665. .359 .762 665. .337 .740 676. .346 .808 67 .390 .773 676. .368 0 .751 687. .377 0 .820 688. .421 0 .784 688. .398 0 .761 699. .407 0 .831 699. .451 0 .794 699. .429 1 .771 710. .437 1 .842 711. .481 1 .805 710. .45 1 .782 72 .467 1 .854 722. .510 1 .816 722. .488 2 .792 733. .496 2 .865 733. .540 2 .827 733. .51 2 .803 744. .525 Sat .482 426. .522 Sat .464 428. .508 Sat .448 429. .495 1 .490 43 .557 1 .470 434. .534 1 .452 433. .51 .501 448. .60 .481 447. .580 .462 446. .559 .512 460. .647 .492 459. .625 .473 458. .604 .523 47 .690 .503 471. .668 .483 470. .647 .534 483. .731 .513 482. .710 .493 482. .690 .545 495. .772 .523 494. .751 .503 493. .73 .556 506. .81 .534 506. .791 .513 505. .770 .566 518. .850 .544 517. .829 .523 516. .809 .577 529. .888 .554 52 .867 .533 528. .847 .587 540. .925 .564 540. .90 .543 539. .885 .598 552. .961 .574 551. .941 .553 551. .921 .608 563. .997 .584 56 .977 .562 562. .957 .619 574. .032 .594 574. .012 .572 573. .992 .629 58 .067 .604 585. .04 .581 585. .027 .639 597. .101 .614 596. .081 .591 596. .061 .649 608. .134 .624 60 .114 .600 607. .095 .660 619. .167 .634 619. .147 .610 618. .128 .670 630. .200 .644 630. .180 .619 630. .161 .680 642. .232 .653 641. .212 .629 641. .193 .690 653. .264 .663 653. .244 .638 652. .225 .700 664. .295 .673 664. .275 .647 664. .256 .710 676. .326 .682 675. .306 .657 675. .287 0 .720 687. .35 0 .692 687. .337 0 .666 686. .318 0 .730 698. .387 0 .702 698. .367 0 .676 698. .348 1 .740 710. .417 1 .711 71 .397 1 .685 709. .378 1 .750 721. .446 1 .721 721. .427 1 .694 721. .408 2 .760 733. .476 2 .731 732. .456 2 .703 732. .437 2 .770 744. .505 2 .740 744. .485 2 .713 744. .466 3 .780 756. .534 3 .750 75 .514 3 .722 755. .495 3 .790 767. .562 3 .760 767. .543 3 .731 767. .524 Abs Pressure 2 kPa Sat Temp 16.66°C Abs Pressure 3 kPa Sat Temp 15.62°C Abs Pressure 4 kPa Sat Temp 14.62°C Abs Pressure 5 kPa Sat Temp 13.65°C Abs Pressure 6 kPa Sat Temp 12.71°C Abs Pressure 7 kPa Sat Temp 11.8°C PanGlobal Training Systems Refrigeration Tables