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 .092 469. .908 Sat .089 47 .89 Sat .086 470. .882 .094 482. .948 .090 478. .922 .086 474. .896 .096 498. .999 .093 49 .974 .089 491. .949 .099 513. .047 .095 510. .023 .091 507. .999 .101 528. .093 .097 525. .070 .094 523. .046 .104 543. .13 .100 540. .114 .096 538. .092 .106 557. .180 .102 555. .157 .098 552. .135 .108 571. .221 .104 569. .199 .100 566. .177 .111 585. .261 .106 583. .239 .102 580. .21 .113 598. .299 .109 596. .278 .105 594. .257 .115 612. .337 .111 610. .315 .107 608. .295 .117 625. .373 .113 623. .352 .109 621. .332 .119 638. .409 .115 636. .388 .111 634. .368 0 .121 651. .444 0 .117 649. .42 0 .113 64 .404 0 .123 664. .478 0 .119 662. .458 0 .115 66 .438 1 .125 67 .512 1 .121 675. .492 1 .116 673. .472 1 .127 689. .545 1 .123 688. .525 1 .118 686. .506 2 .129 702. .577 2 .125 70 .558 2 .120 699. .53 2 .131 715. .609 2 .127 713. .590 2 .122 712. .571 3 .133 727. .641 3 .129 726. .621 3 .124 725. .602 3 .135 740. .672 3 .130 73 .65 3 .126 737. .634 4 .137 752. .70 4 .132 751. .683 4 .128 750. .66 4 .139 765. .733 4 .134 764. .71 4 .130 763. .695 5 .141 777. .76 5 .136 776. .74 5 .131 775. .725 Sat .080 47 .857 Sat .076 471. .833 Sat .071 471. .811 .082 484. .900 .076 477. .853 .073 488. .863 .085 501. .952 .079 494. .907 .076 505. .915 .087 517. .001 .081 511. .95 .078 521. .964 .089 532. .048 .083 527. .005 .080 537. .011 .091 547. .092 .085 542. .051 .081 552. .056 .093 562. .135 .087 557. .095 .083 567. .099 .095 576. .176 .089 572. .137 .085 582. .141 .097 590. .216 .091 586. .178 .087 596. .181 .099 604. .255 .093 600. .217 .089 610. .220 .101 617. .293 .095 614. .255 .091 624. .257 .103 631. .3 .096 627. .293 0 .092 637. .294 0 .105 644. .365 0 .098 641. .329 0 .094 651. .330 0 .107 657. .40 0 .100 654. .36 1 .096 664. .365 1 .109 670. .435 1 .102 667. .399 1 .097 67 .400 1 .110 683. .469 1 .103 680. .433 2 .099 691. .43 2 .112 696. .502 2 .105 69 .467 2 .100 704. .467 2 .114 709. .534 2 .107 70 .500 3 .102 717. .499 3 .116 722. .566 3 .109 719. .532 3 .104 730. .531 3 .118 735. .598 3 .110 732. .564 4 .105 743. .563 4 .119 74 .629 4 .112 745. .595 4 .107 756. .594 4 .121 760. .659 4 .114 758. .626 5 .108 76 .624 Abs Pressure 40 kPa Sat Temp 6.25°C Abs Pressure 45 kPa Sat Temp 7.49°C Abs Pressure 50 kPa Sat Temp 8.7°C Abs Pressure 60 kPa Sat Temp 1.02°C Abs Pressure 70 kPa Sat Temp 3.24°C Abs Pressure 80 kPa Sat Temp 5.36°C PanGlobal Training Systems Refrigeration Tables