Superheated Vapor Properties for R134a - (0.80 MPa - 1.60 MPa)
P=0.80 MPa (31.3°C)
Temp
volume
enthalpy
entropy
°C
v(m^3/kg)
h(kJ/kg)
s(kJ/kg.K)

Sat.

0.0256

267.3

0.918

40

0.0270

276.5

0.948

50

0.0285

286.7

0.980

60

0.0300

296.8

1.011

70

0.0313

306.9

1.041

80

0.0327

317.0

1.070

90

0.0339

327.1

1.098

100

0.0352

337.3

1.126

110

0.0364

347.6

1.153

120

0.0376

358.0

1.180

130

0.0388

368.5

1.206

140

0.0400

379.1

1.232

150

0.0411

389.8

1.258

160

0.0423

400.6

1.283

P=0.90 MPa (35.5°C)
Temp
volume
enthalpy
entropy
°C
v(m^3/kg) h(kJ/kg) s(kJ/kg.K)

Sat.

0.0227

269.3

0.917

40

0.0234

274.2

0.933

50

0.0248

284.8

0.966

60

0.0261

295.1

0.998

70

0.0274

305.4

1.028

80

0.0286

315.6

1.057

90

0.0298

325.9

1.086

100

0.0310

336.2

1.114

110

0.0321

346.6

1.141

120

0.0332

357.0

1.168

130

0.0342

367.6

1.195

140

0.0353

378.2

1.221

150

0.0363

389.0

1.247

160

0.0374

399.9

1.272

P=1.00 MPa (39.4°C)
Temp
volume
enthalpy
entropy
°C
v(m^3/kg)
h(kJ/kg)
s(kJ/kg.K)

Sat.

0.0203

271.0

0.916

40

0.0204

271.7

0.918

50

0.0218

282.7

0.953

60

0.0231

293.4

0.985

70

0.0243

303.9

1.016

80

0.0254

314.3

1.046

90

0.0265

324.7

1.075

100

0.0276

335.1

1.103

110

0.0286

345.5

1.131

120

0.0296

356.1

1.158

130

0.0306

366.7

1.185

140

0.0316

377.4

1.211

150

0.0325

388.2

1.237

160

0.0335

399.2

1.262

P=1.20 MPa (46.3°C)
Temp
volume
enthalpy
entropy
°C
v(m^3/kg) h(kJ/kg) s(kJ/kg.K)

Sat.

0.0167

273.9

0.913

50

0.0172

278.3

0.927

60

0.0184

289.6

0.961

70

0.0195

300.6

0.994

80

0.0205

311.4

1.025

90

0.0215

322.1

1.056

100

0.0224

332.7

1.084

110

0.0233

343.4

1.112

120

0.0242

354.1

1.139

130

0.0251

364.9

1.166

140

0.0259

375.7

1.193

150

0.0268

386.7

1.219

160

0.0276

397.7

1.245

170

0.0284

408.8

1.270

180

0.0292

420.1

1.295

P=1.40 MPa (52.4°C)
Temp
volume
enthalpy
entropy
°C
v(m^3/kg)
h(kJ/kg)
s(kJ/kg.K)

Sat.

0.0141

276.2

0.911

60

0.0150

285.5

0.939

70

0.0161

297.1

0.973

80

0.0170

308.3

1.006

90

0.0179

319.4

1.036

100

0.0188

330.3

1.066

110

0.0196

341.2

1.095

120

0.0204

352.1

1.123

130

0.0212

363.0

1.150

140

0.0219

374.0

1.177

150

0.0226

385.1

1.204

160

0.0234

396.2

1.230

170

0.0241

407.4

1.255

180

0.0247

418.8

1.281

P=1.60 MPa (57.9°C)
Temp
volume
enthalpy
entropy
°C
v(m^3/kg)
h(kJ/kg)
s(kJ/kg.K)

Sat.

0.0121

277.9

0.908

60

0.0124

280.7

0.916

70

0.0134

293.3

0.954

80

0.0144

305.1

0.987

90

0.0152

316.5

1.019

100

0.0160

327.8

1.050

110

0.0168

338.9

1.080

120

0.0175

350.0

1.108

130

0.0182

361.1

1.136

140

0.0189

372.3

1.163

150

0.0195

383.5

1.190

160

0.0202

394.7

1.216

170

0.0208

406.0

1.242

180

0.0215

417.4

1.268

Source of data: NIST Chemistry WebBook - accessed Jan 2008

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