Refrigerant 134a (Tetrafluoroethane) properties of superheated vapor

From ASHRAE (1997), with permission

Click here to see the properties of saturated R-134a

Pressure,
MPa

Temp.,
°C

Density,
kg/m3

Enthalpy,
kJ/kg

Entropy,
kJ/kg·K

Vel. Sound,
m/s

0.101325

(Sat. Temp = -26.07°C)

Sat. Liquid

1374.34

166.07

0.8701

747.1

Sat. Vapor

5.26

382.90

1.7476

145.7

-20

5.11

387.68

1.7667

147.8

-10

4.89

395.65

1.7976

151.0

0

4.69

403.74

1.8278

154.2

10

4.50

411.97

1.8574

157.2

20

4.34

420.34

1.8864

160.1

30

4.18

428.85

1.9150

162.9

40

4.04

437.52

1.9431

165.7

50

3.91

446.33

1.9708

168.4

60

3.78

455.30

1.9981

171.0

70

3.67

464.43

2.0251

173.6

80

3.56

473.70

2.0518

176.1

90

3.46

483.13

2.0781

178.6

100

3.36

492.71

2.1041

181.0

110

3.27

502.44

2.1298

183.4

120

3.19

512.32

2.1553

185.7

130

3.11

522.35

2.1805

188.1

140

3.03

532.52

2.2054

190.3

150

2.96

542.83

2.2301

192.6

0.200

(Sat. Temp = -10.07°C)

Sat. Liquid

1325.78

186.69

0.9506

672.8

Sat. Vapor

10.01

392.71

1.7337

146.9

-10

10.01

392.77

1.7339

147.0

0

9.54

401.21

1.7654

150.6

10

9.13

409.73

1.7961

154.0

20

8.76

418.35

1.8260

157.3

30

8.42

427.07

1.8552

160.4

40

8.12

435.90

1.8839

163.4

50

7.83

444.87

1.9121

166.3

60

7.57

453.97

1.9398

169.2

70

7.33

463.20

1.9671

171.9

80

7.11

472.57

1.9940

174.6

90

6.89

482.08

2.0206

177.2

100

6.70

491.74

2.0468

179.7

110

6.51

501.53

2.0727

182.2

120

6.34

511.47

2.0983

184.7

130

6.17

521.55

2.1236

187.1

140

6.01

531.76

2.1486

189.4

150

5.87

542.12

2.1734

191.7

0.400

(Sat. Temp = 8.94°C)

Sat. Liquid

1263.84

212.08

1.0432

583.8

Sat. Vapor

19.52

403.80

1.7229

146.6

10

19.41

404.78

1.7263

147.0

20

18.45

414.00

1.7583

151.2

30

17.61

423.21

1.7892

155.0

40

16.87

432.46

1.8192

158.6

50

16.20

441.76

1.8485

162.0

60

15.60

451.15

1.8771

165.3

70

15.05

460.63

1.9051

168.4

80

14.54

470.21

1.9326

171.4

90

14.08

479.91

1.9597

174.3

100

13.65

489.72

1.9864

177.1

110

13.24

499.65

2.0126

179.8

120

12.87

509.71

2.0386

182.4

130

12.51

519.90

2.0641

185.0

140

12.18

530.21

2.0894

187.5

150

11.87

540.66

2.1144

190.0

0.600

(Sat. Temp = 21.58°C)

Sat. Liquid

1219.08

229.62

1.1035

524.0

Sat. Vapor

29.13

410.67

1.7178

145.0

30

27.79

418.97

1.7455

149.0

40

26.41

428.72

1.7772

153.4

50

25.21

438.44

1.8077

157.4

60

24.16

448.16

1.8374

161.2

70

23.22

457.93

1.8662

164.7

80

22.37

467.75

1.8944

168.0

90

21.59

477.65

1.9221

171.2

100

20.88

487.64

1.9492

174.3

110

20.22

497.72

1.9759

177.3

120

19.61

507.92

2.0022

180.1

130

19.04

518.22

2.0280

182.9

140

18.51

528.63

2.0536

185.6

150

18.01

539.17

2.0787

188.2

160

17.54

549.82

2.1036

190.8

170

17.10

560.59

2.1282

193.3

180

16.68

571.48

2.1525

195.8

190

16.29

582.50

2.1766

198.2

200

15.91

593.63

2.2003

200.6

0.800

(Sat. Temp = 31.33°C)

Sat. Liquid

1181.92

243.58

1.1495

477.4

Sat. Vapor

38.99

415.58

1.7144

142.9

40

36.98

424.61

1.7437

147.6

50

35.03

434.85

1.7758

152.4

60

33.36

444.98

1.8067

156.8

70

31.90

455.08

1.8366

160.8

80

30.62

465.17

1.8656

164.6

90

29.46

475.30

1.8939

168.1

100

28.41

485.49

1.9215

171.5

110

27.46

495.74

1.9486

174.7

120

26.58

506.07

1.9753

177.8

130

25.77

516.50

2.0015

180.8

140

25.01

527.03

2.0272

183.7

150

24.31

537.66

2.0527

186.4

160

23.65

548.40

2.0777

189.2

170

23.03

559.24

2.1025

191.8

180

22.45

570.20

2.1270

194.4

190

21.89

581.28

2.1511

196.9

200

21.37

592.46

2.1750

199.4

1.000

(Sat. Temp = 39.39°C)

Sat. Liquid

1149.06

255.44

1.1874

438.6

Sat. Vapor

49.16

419.31

1.7117

140.6

40

48.95

419.99

1.7139

141.0

50

45.86

430.91

1.7482

146.9

60

43.34

441.56

1.7807

152.0

70

41.21

452.05

1.8117

156.7

80

39.36

462.47

1.8416

160.9

90

37.74

472.86

1.8706

164.9

100

36.29

483.26

1.8989

168.6

110

34.99

493.69

1.9265

172.1

120

33.80

504.19

1.9535

175.4

130

32.71

514.75

1.9800

178.6

140

31.70

525.39

2.0061

181.7

150

30.76

536.12

2.0318

184.6

160

29.90

546.95

2.0571

187.5

170

29.08

557.88

2.0820

190.3

180

28.32

568.91

2.1066

193.0

190

27.60

580.05

2.1309

195.6

200

26.92

591.29

2.1550

198.2

1.200

(Sat. Temp = 46.32°C)

Sat. Liquid

1118.89

265.91

1.2200

405.0

Sat. Vapor

59.73

422.22

1.7092

138.2

50

58.09

426.51

1.7226

140.7

60

54.32

437.83

1.7571

146.9

70

51.26

448.81

1.7896

152.3

80

48.69

459.61

1.8206

157.1

90

46.49

470.30

1.8504

161.5

100

44.55

480.94

1.8794

165.6

110

42.83

491.58

1.9075

169.4

120

41.28

502.25

1.9350

173.0

130

39.87

512.95

1.9619

176.4

140

38.58

523.72

1.9882

179.7

150

37.39

534.56

2.0142

182.8

160

36.29

545.48

2.0397

185.8

170

35.26

556.50

2.0648

188.8

180

34.31

567.60

2.0896

191.6

190

33.40

578.80

2.1141

194.4

200

32.56

590.11

2.1382

197.1

210

31.76

601.51

2.1621

199.7

220

31.01

613.02

2.1856

202.3

230

30.29

624.64

2.2090

204.8

240

29.61

636.36

2.2320

207.2

250

28.96

648.18

2.2548

209.7

1.400

(Sat. Temp = 52.43°C)

Sat. Liquid

1090.50

275.38

1.2488

375.1

Sat. Vapor

70.76

424.50

1.7068

135.6

60

66.61

433.69

1.7347

141.2

70

62.25

445.31

1.7691

147.5

80

58.74

456.56

1.8014

153.0

90

55.79

467.60

1.8322

158.0

100

53.24

478.53

1.8619

162.5

110

51.03

489.39

1.8906

166.6

120

49.05

500.25

1.9186

170.5

130

47.28

511.11

1.9459

174.2

140

45.67

522.02

1.9726

177.7

150

44.19

532.97

1.9988

181.0

160

42.83

544.00

2.0246

184.2

170

41.57

555.10

2.0499

187.2

180

40.41

566.28

2.0748

190.2

190

39.31

577.55

2.0994

193.1

200

38.28

588.92

2.1237

195.9

210

37.32

600.38

2.1477

198.6

220

36.41

611.94

2.1714

201.3

230

35.55

623.60

2.1948

203.9

240

34.73

635.35

2.2179

206.4

250

33.96

647.22

2.2408

208.9

1.600

(Sat. Temp = 57.91°C)

Sat. Liquid

1063.28

284.11

1.2748

348.1

Sat. Vapor

82.34

426.27

1.7042

132.9

60

80.74

428.99

1.7124

134.7

70

74.43

441.47

1.7493

142.3

80

69.61

453.30

1.7833

148.7

90

65.71

464.76

1.8153

154.2

100

62.43

476.01

1.8458

159.2

110

59.62

487.13

1.8753

163.8

120

57.14

498.19

1.9038

168.0

130

54.95

509.23

1.9315

171.9

140

52.98

520.28

1.9586

175.6

150

51.18

531.36

1.9851

179.1

160

49.54

542.49

2.0111

182.5

170

48.03

553.68

2.0366

185.7

180

46.63

564.94

2.0617

188.8

190

45.32

576.29

2.0865

191.8

200

44.10

587.71

2.1109

194.7

210

42.96

599.23

2.1350

197.6

220

41.88

610.84

2.1588

200.3

230

40.87

622.55

2.1823

203.0

240

39.91

634.35

2.2055

205.6

250

39.00

646.25

2.2285

208.2

1.800

(Sat. Temp. = 62.90°C)

Sat. Liquid

1036.81

292.26

1.2987

323.2

Sat. Vapor

94.53

427.59

1.7014

130.1

70

88.23

437.17

1.7296

136.5

80

81.54

449.76

1.7657

144.0

90

76.38

461.74

1.7992

150.3

100

72.17

473.36

1.8308

155.9

110

68.64

484.78

1.8610

160.8

120

65.60

496.06

1.8900

165.4

130

62.91

507.29

1.9183

169.6

140

60.53

518.50

1.9457

173.5

150

58.37

529.71

1.9725

177.3

160

56.42

540.95

1.9988

180.8

170

54.62

552.24

2.0246

184.2

180

52.97

563.59

2.0499

187.4

190

51.44

575.01

2.0748

190.6

200

50.01

586.50

2.0993

193.6

210

48.68

598.08

2.1236

196.5

220

47.43

609.74

2.1475

199.4

230

46.25

621.50

2.1710

202.1

240

45.14

633.34

2.1944

204.9

250

44.09

645.28

2.2174

207.5

2.000

(Sat. Temp. = 67.49°C)

Sat. Liquid

1010.74

299.96

1.3209

300.1

Sat. Vapor

107.46

428.52

1.6983

127.2

70

104.37

432.22

1.7091

129.9

80

94.85

445.86

1.7483

138.9

90

87.97

458.49

1.7835

146.2

100

82.58

470.57

1.8164

152.4

110

78.17

482.32

1.8474

157.8

120

74.44

493.86

1.8772

162.7

130

71.18

505.30

1.9059

167.2

140

68.33

516.68

1.9338

171.4

150

65.78

528.03

1.9609

175.4

160

63.47

539.39

1.9875

179.1

170

61.37

550.79

2.0135

182.6

180

59.45

562.23

2.0390

186.0

190

57.67

573.72

2.0641

189.3

200

56.02

585.28

2.0888

192.4

210

54.49

596.92

2.1131

195.5

220

53.05

608.64

2.1371

198.4

230

51.70

620.44

2.1608

201.3

240

50.43

632.33

2.1842

204.1

250

49.23

644.30

2.2073

206.8

2.200

(Sat. Temp. = 71.71°C)

Sat. Liquid

984.76

307.32

1.3417

278.4

Sat. Vapor

121.25

429.08

1.6948

124.3

80

110.03

441.49

1.7303

133.3

90

100.70

454.98

1.7680

141.8

100

93.78

467.61

1.8023

148.7

110

88.25

479.75

1.8344

154.7

120

83.70

491.59

1.8649

160.0

130

79.79

503.25

1.8942

164.9

140

76.41

514.81

1.9226

169.3

150

73.40

526.32

1.9501

173.5

160

70.71

537.81

1.9769

177.4

170

68.28

549.31

2.0032

181.1

180

66.06

560.84

2.0289

184.6

190

64.02

572.42

2.0542

188.0

200

62.13

584.06

2.0790

191.3

210

60.38

595.76

2.1035

194.4

220

58.74

607.53

2.1276

197.5

230

57.21

619.38

2.1514

200.4

240

55.77

631.31

2.1749

203.3

250

54.42

643.33

2.1981

206.1

2.400

(Sat. Temp. = 75.70°C)

Sat. Liquid

958.58

314.40

1.3616

257.9

Sat. Vapor

136.07

429.27

1.6908

121.4

80

127.96

436.42

1.7112

126.9

90

114.90

451.12

1.7523

137.0

100

105.89

464.44

1.7885

144.8

110

99.00

477.04

1.8218

151.5

120

93.44

489.22

1.8532

157.2

130

88.79

501.14

1.8831

162.4

140

84.77

512.90

1.9119

167.2

150

81.27

524.57

1.9398

171.6

160

78.15

536.20

1.9670

175.7

170

75.35

547.82

1.9935

179.6

180

72.81

559.45

2.0195

183.3

190

70.48

571.11

2.0449

186.8

200

68.34

582.82

2.0699

190.2

210

66.36

594.58

2.0945

193.4

220

64.51

606.41

2.1188

196.6

230

62.79

618.31

2.1427

199.6

240

61.18

630.29

2.1662

202.5

250

59.66

642.35

2.1895

205.4

2.600

(Sat. Temp. = 79.41°C)

Sat. Liquid

931.88

321.29

1.3806

238.2

Sat. Vapor

152.12

429.08

1.6863

118.3

80

150.48

430.22

1.6895

119.3

90

131.08

446.81

1.7359

131.7

100

119.15

461.03

1.7745

140.8

110

110.50

474.19

1.8093

148.1

120

103.72

486.75

1.8417

154.4

130

98.17

498.96

1.8724

160.0

140

93.46

510.94

1.9017

165.0

150

89.39

522.79

1.9301

169.7

160

85.80

534.57

1.9576

174.0

170

82.59

546.30

1.9844

178.1

180

79.70

558.04

2.0106

181.9

190

77.07

569.79

2.0362

185.5

200

74.65

581.57

2.0614

189.0

210

72.43

593.40

2.0861

192.4

220

70.36

605.29

2.1105

195.6

230

68.44

617.24

2.1345

198.8

240

66.64

629.27

2.1581

201.8

250

64.95

641.37

2.1815

204.8

2.800

(Sat. Temp. = 82.90°C)

Sat. Liquid

904.29

328.05

1.3990

219.1

Sat. Vapor

169.71

428.50

1.6812

115.3

90

150.13

441.84

1.7183

125.9

100

133.85

457.32

1.7603

136.4

110

122.89

471.16

1.7970

144.6

120

114.63

484.17

1.8305

151.5

130

108.00

496.70

1.8620

157.5

140

102.49

508.93

1.8919

162.9

150

97.78

520.97

1.9207

167.8

160

93.66

532.90

1.9486

172.3

170

90.01

544.77

1.9757

176.5

180

86.74

556.61

2.0021

180.5

190

83.78

568.45

2.0279

184.3

200

81.08

580.31

2.0533

187.9

210

78.59

592.21

2.0782

191.4

220

76.29

604.16

2.1027

194.7

230

74.15

616.17

2.1268

198.0

240

72.16

628.25

2.1505

201.1

250

70.30

640.39

2.1740

204.1

3.00

(Sat. Temp. = 86.20°C)

Sat. Liquid

875.30

334.75

1.4171

200.4

Sat. Vapor

189.25

427.47

1.6752

112.2

90

173.82

435.84

1.6983

119.1

100

150.47

453.20

1.7455

131.8

110

136.36

467.93

1.7845

141.0

120

126.23

481.47

1.8194

148.5

130

118.34

494.36

1.8518

155.0

140

111.89

506.86

1.8824

160.7

150

106.45

519.11

1.9117

165.9

160

101.75

531.21

1.9399

170.6

170

97.62

543.21

1.9673

175.0

180

93.94

555.16

1.9940

179.2

190

90.62

567.10

2.0201

183.1

200

87.61

579.05

2.0456

186.8

210

84.84

591.02

2.0706

190.4

220

82.30

603.03

2.0952

193.8

230

79.94

615.10

2.1195

197.2

240

77.74

627.22

2.1433

200.4

250

75.69

639.41

2.1668

203.4

260

73.77

651.66

2.1900

206.5

270

71.96

664.00

2.2130

209.4

280

70.25

676.41

2.2356

212.2

290

68.63

688.89

2.2580

215.0

300

67.10

701.46

2.2801

217.8

4.00

(Sat. Temp. = 100.35°C)

Sat. Liquid

626.95

376.48

1.5272

101.3

Sat. Vapor

396.29

404.57

1.6024

93.4

110

233.68

446.28

1.7131

119.8

120

199.79

465.29

1.7621

132.5

130

179.83

481.11

1.8018

142.0

140

165.73

495.51

1.8371

149.7

150

154.89

509.13

1.8697

156.4

160

146.10

522.25

1.9004

162.4

170

138.74

535.07

1.9296

167.8

180

132.41

547.69

1.9578

172.7

190

126.88

560.17

1.9850

177.4

200

121.97

572.58

2.0115

181.7

210

117.55

584.95

2.0374

185.8

220

113.56

597.30

2.0627

189.7

230

109.90

609.66

2.0875

193.4

240

106.55

622.05

2.1119

197.0

250

103.44

634.47

2.1359

200.5

260

100.56

646.93

2.1595

203.8

270

97.87

659.45

2.1827

207.1

280

95.35

672.03

2.2057

210.2

290

92.98

684.67

2.2283

213.3

300

90.75

697.38

2.2507

216.2

6.00

110

762.66

375.61

1.5174

173.6

120

591.77

405.75

1.5950

127.4

130

418.90

439.87

1.6807

120.4

140

333.91

465.19

1.7428

130.1

150

289.37

484.69

1.7894

139.9

160

260.70

501.52

1.8288

148.3

170

239.96

516.92

1.8639

155.7

180

223.87

531.45

1.8963

162.2

190

210.82

545.43

1.9269

168.1

200

199.88

559.04

1.9559

173.6

210

190.50

572.39

1.9839

178.6

220

182.31

585.57

2.0109

183.4

230

175.06

598.64

2.0371

187.8

240

168.56

611.63

2.0626

192.1

250

162.68

624.57

2.0876

196.2

260

157.33

637.50

2.1121

200.0

270

152.41

650.43

2.1361

203.8

280

147.88

663.38

2.1598

207.4

290

143.67

676.35

2.1830

210.9

300

139.75

689.36

2.2059

214.3