Please make a selection...

Return to Home Page...

LP-Gas Service Manual

Table 2 - First Stage Pipe or Tubing Sizing 

5 PSIG Inlet with a 1 PSIG Pressure Drop
Maximum capacity of pipe or tubing, in thousands of BTU/hr of LP-Gas
 
Size of Pipe or Copper Tubing In Inches Length of Pipe or Tubing in Feet*

10

20

30

40

50

60

70

80

90

100
Copper Tubing (O.D.)

3/8

1/2

5/8

3/4

 454

938

1907

3334

 312

644

1311

2291

 251

518

1053

1840

 215

443

901

1575

 190

393

799

1396

 172

356

724

1265

 159

327

666

1163

 148

304

619

1082

 138

286

581

1015

 131

270

549

959
Pipe Size

1/2

3/4

1

1-1/4

1-1/2

2

 2946

6161

11605

23826

35699

68753

 2025

4234

7976

16376

24536

47253

 1626

3400

6405

13150

19703

37946

 1392

2910

5482

11255

16863

32477

 1233

2579

4859

9975

14946

28784

 1118

2337

4402

9038

13542

26080

 1028

2150

4050

8315

12458

23993

 957

2000

3768

7735

11590

22321

 897

1877

3535

7258

10875

20943

 848

1773

3339

6856

10272

19783
 
Size of Pipe or Copper Tubing In Inches Length of Pipe or Tubing in Feet*

125

150

175

200

225

250

275

300

350

400
Copper Tubing (O.D.)

3/8

1/2

5/8

3/4

 116

239

486

850

 105

217

441

770

 97

199

405

709

 90

185

377

659

 84

174

354

619

 80

164

334

584

 76

156

318

555

 72

149

303

529

 66

137

279

487

 62

127

259

453
Pipe Size

1/2

3/4

1

1-1/4

1-1/2

2

 751

1571

2956

6076

9104

17533

 681

1424

2682

5505

8249

15886

 626

1310

2467

5065

7589

14615

 583

1218

2295

4712

7060

13597

 547

1143

2153

4421

6624

12757

 516

1080

2034

4176

6257

12051

 490

1026

1932

3966

5943

11445

 468

978

1843

3784

5669

10919

 430

900

1696

3481

5216

10045

 400

837

1577

3238

4852

9345

Notes:

  1. Length of pipe or tubing is total length from outlet of first stage regulator to inlet of second stage regulator (or to inlet of second stage regulator furthest away).
  2. To allow 2 PSIG pressure drop, multiply total gas demand by .707, and use capacities from table.
  3. Data calculated per NFPA #54 & 58.

 

Return to Homepage.

100 RegO Drive
PO Box 247
Elon College, NC  27244 USA
Tel: 336.449.7707
Fax: 336.449.6594

 

PROFILE |  PRODUCT APPS |  PRODUCT LITERATURE  |  PRODUCT UPDATES  |  EMAIL REGO | LP-GAS MANUAL |  FIELD TOPICS  |  FIND A DISTRIBUTOR  |   REQUEST LITERATURE  |     SEARCH

 

© Copyright 1999. Engineered Controls International, Inc. All Rights Reserved.