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 .117 46 .998 Sat .112 466. .981 Sat .107 467. .966 .118 472. .019 .112 468. .987 .109 480. .008 .121 487. .069 .115 484. .038 .112 49 .058 .124 502. .117 .118 499. .087 .115 510. .10 .127 51 .163 .121 51 .134 .118 525. .151 .130 531. .207 .124 528. .178 .121 539. .194 .133 544. .249 .127 542. .221 .123 553. .236 .136 558. .290 .129 555. .263 .126 567. .277 .138 571. .330 .132 569. .303 .128 580. .316 .141 584. .368 .135 582. .342 .131 593. .354 .144 597. .406 .137 595. .379 .133 606. .391 .147 610. .442 .140 608. .416 .136 619. .428 .149 623. .478 .142 621. .452 .138 632. .463 .152 63 .513 .145 634. .488 .141 645. .498 .154 648. .547 .147 646. .522 0 .143 657. .532 0 .157 661. .581 0 .150 659. .556 0 .145 670. .566 0 .159 673. .614 0 .152 67 .590 1 .148 68 .599 1 .162 685. .647 1 .154 684. .622 1 .150 695. .631 1 .164 698. .679 1 .157 696. .655 2 .152 707. .663 2 .167 710. .711 2 .159 709. .686 2 .155 720. .694 2 .169 72 .742 2 .162 721. .718 3 .157 732. .725 3 .172 735. .77 3 .164 73 .74 3 .159 745. .756 3 .174 747. .803 3 .166 746. .779 4 .161 757. .786 4 .177 759. .833 4 .169 758. .809 4 .164 77 .816 4 .179 772. .862 4 .171 771. .839 5 .166 782. .845 Sat .103 468. .950 Sat .099 468. .936 Sat .095 469. .92 .104 476. .979 .100 473. .950 .095 469. .922 .107 492. .030 .102 489. .002 .098 485. .975 .110 507. .078 .105 504. .051 .101 501. .025 .113 522. .124 .108 519. .098 .103 516. .072 .115 536. .168 .110 534. .14 .106 531. .118 .118 55 .21 .113 548. .18 .108 545. .161 .120 564. .251 .115 562. .227 .110 56 .203 .123 578. .291 .118 57 .267 .113 573. .244 .125 591. .330 .120 589. .306 .115 587. .283 .128 604. .367 .122 602. .344 .117 600. .321 .130 617. .404 .125 615. .381 .120 61 .358 .132 630. .440 .127 628. .417 .122 627. .395 .135 643. .475 .129 641. .452 .124 640. .430 0 .137 656. .509 0 .131 654. .487 0 .126 652. .465 0 .139 668. .543 0 .134 667. .521 0 .128 665. .499 1 .141 681. .576 1 .136 68 .554 1 .130 678. .53 1 .144 69 .608 1 .138 692. .587 1 .132 691. .565 2 .146 706. .64 2 .140 705. .619 2 .135 703. .598 2 .148 71 .672 2 .142 717. .650 2 .137 716. .630 3 .150 731. .703 3 .144 730. .682 3 .139 72 .661 3 .152 743. .734 3 .146 742. .71 3 .141 741. .692 4 .155 756. .764 4 .148 755. .743 4 .143 75 .722 4 .157 768. .794 4 .151 767. .773 4 .145 766. .75 5 .159 781. .824 5 .153 780. .80 5 .147 77 .782 Abs Pressure 10 kPa Sat Temp 8.02°C Abs Pressure 15 kPa Sat Temp 9.5°C Abs Pressure 20 kPa Sat Temp 0.94°C Abs Pressure 25 kPa Sat Temp 2.32°C Abs Pressure 30 kPa Sat Temp 3.67°C Abs Pressure 35 kPa Sat Temp 4.98°C PanGlobal Training Systems Refrigeration Tables