Superheated Vapor Properties for R134a - (0.28 MPa - 0.70 MPa)
P=0.28 MPa (-1.2°C)
Temp
volume
enthalpy
entropy
°C
v(m^3/kg)
h(kJ/kg)
s(kJ/kg.K)

Sat.

0.0724

249.7

0.932

10

0.0765

259.7

0.968

20

0.0800

268.5

0.999

30

0.0834

277.4

1.029

40

0.0867

286.4

1.058

50

0.0900

295.5

1.086

60

0.0932

304.7

1.114

70

0.0964

314.0

1.142

80

0.0996

323.5

1.169

90

0.1028

333.1

1.196

100

0.1059

342.8

1.222

110

0.1090

352.7

1.248

120

0.1121

362.7

1.274

P=0.32 MPa (2.5°C)
Temp
volume
enthalpy
entropy
°C
v(m^3/kg) h(kJ/kg) s(kJ/kg.K)

Sat.

0.0636

251.9

0.930

10

0.0661

258.7

0.954

20

0.0693

267.7

0.986

30

0.0723

276.7

1.016

40

0.0753

285.7

1.045

50

0.0782

294.9

1.074

60

0.0811

304.1

1.102

70

0.0839

313.5

1.130

80

0.0868

323.0

1.157

90

0.0895

332.6

1.184

100

0.0923

342.4

1.211

110

0.0950

352.3

1.237

120

0.0978

362.4

1.263

P=0.40 MPa (8.9°C)
Temp
volume
enthalpy
entropy
°C
v(m^3/kg)
h(kJ/kg)
s(kJ/kg.K)

Sat.

0.0512

255.6

0.927

10

0.0515

256.6

0.931

20

0.0542

265.9

0.963

30

0.0568

275.1

0.994

40

0.0593

284.3

1.024

50

0.0617

293.6

1.053

60

0.0641

301.0

1.081

70

0.0664

312.4

1.109

80

0.0687

322.0

1.137

90

0.0710

331.7

1.164

100

0.0735

341.6

1.191

110

0.0755

351.5

1.217

120

0.0777

361.6

1.243

P=0.50 MPa (15.7°C)
Temp
volume
enthalpy
entropy
°C
v(m^3/kg) h(kJ/kg) s(kJ/kg.K)

Sat.

0.0411

259.3

0.924

20

0.0421

263.5

0.938

30

0.0443

273.0

0.970

40

0.0465

282.5

1.001

50

0.0485

292.0

1.031

60

0.0505

301.5

1.060

70

0.0524

311.1

1.088

80

0.0543

320.8

1.116

90

0.0562

330.6

1.144

100

0.0583

340.5

1.171

110

0.0600

350.6

1.197

120

0.0617

360.7

1.223

130

0.0635

371.0

1.249

140

0.0653

381.5

1.275

P=0.60 MPa (21.6°C)
Temp
volume
enthalpy
entropy
°C
v(m^3/kg)
h(kJ/kg)
s(kJ/kg.K)

Sat.

0.0343

262.43

0.922

30

0.0360

270.8

0.950

40

0.0379

280.6

0.982

50

0.0397

290.3

1.012

60

0.0414

300.0

1.042

70

0.0431

309.7

1.071

80

0.0447

319.6

1.099

90

0.0463

329.5

1.126

100

0.0479

339.5

1.154

110

0.0495

349.6

1.180

120

0.0510

359.8

1.207

130

0.0525

370.2

1.233

140

0.0540

380.7

1.258

P=0.70 MPa (26.7°C)
Temp
volume
enthalpy
entropy
°C
v(m^3/kg)
h(kJ/kg)
s(kJ/kg.K)

Sat.

0.0294

265.05

0.920

30

0.0300

268.45

0.931

40

0.0317

278.58

0.964

50

0.0333

288.53

0.995

60

0.0349

298.43

1.026

70

0.0364

308.33

1.055

80

0.0379

318.28

1.084

90

0.0393

328.3

1.111

100

0.0406

338.4

1.139

110

0.0420

348.6

1.166

120

0.0434

358.91

1.192

130

0.0447

369.32

1.219

140

0.0460

379.86

1.244

Source of data: NIST Chemistry WebBook - accessed Jan 2008

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