RegOŽ Products - First Stage Plastic Tubing

LP-Gas Service Manual

Table 3 - First Stage Plastic Tubing Sizing

10 PSIG Inlet with a 1 PSIG Pressure Drop
Maximum capacity of plastic tubing in thousands of BTU/hr of LP-Gas

Plastic Tubing Size

Length of Tubing in Feet*

NPS

SDR

100

1/2 T
1/2

3/4

1 T

1 T

1

1-1/4

7.00
9.33

11.00

11.50

12.50

11.00

10.00

11.00

1387

3901

7811

9510

10002

14094

24416

66251

954

2681

5369

6536

6874

9687

16781

45534

766

2153

4311

5249

5520

7779

13476

36566

655

1843

3690

4492

4725

6658

11534

31295

581

1633

3270

3981

4187

5901

10222

27737

526

1480

2963

3607

3794

5346

9262

25131

484

1361

2726

3319

3490

4919

8521

23120

450

1267

2536

3088

3247

4578

7927

21509

423

1188

2379

2897

3046

4293

7438

20181

399

1122

2248

2736

2878

4055

7026

19063

Plastic Tubing Size

Length of Tubing in Feet*

NPS

SDR

125

150

175

200

225

250

275

300

350

400

1/2 T
1/2

3/4

1 T

1 T

1

1-1/4

7.00
9.33

11.00

11.50

12.50

11.00

10.00

11.00

354

995

1992

2425

2551

3594

6226

16895

321

901

1805

2197

2311

3257

5642

15308

295

829

1660

2022

2126

2996

5190

14084

274

772

1545

1881

1978

2787

4829

13102

257

724

1449

1765

1856

2615

4531

12293

243

684

1369

1667

1753

2470

4280

11612

231

649

1300

1583

1665

2346

4064

11028

220

620

1241

1510

1588

2238

3878

10521

203

570

1141

1389

1461

2059

3567

9680

189

530

1062

1293

1359

1916

3318

9005

Notes:

Total length of piping from outlet of first stage regulator to inlet of second stage regulator or to inlet of second stage regulator furthest away.
Data Calculated per NFPA #54 and 58.

100 RegO Drive

PO Box 247

Elon College, NC 27244 USA

Tel: 336.449.7707

Fax: 336.449.6594