PIPE SIZING CHART Natural Gas : Pipe Sizing Chart

PIPE SIZING CHART

Natural Gas : Pipe Sizing Chart

Length of Pipe in Feet

10 20 30 40 50 60 70 80 90 100 125 150 175 200 300

1/2" 108 75 61 52 46 42 38 36 33 32 28 25 23 22 17

3/4" 230 160 129 110 98 89 82 76 71 68 60 54 50 47 37

Size of Pipe in Inches

1"

1-1/4"

1-1/2"

2"

2-1/2"

3"

387

793

1237

2259

3640

6434

280

569

877

1610

2613

5236

224

471

719

1335

2165

4107

196

401

635

1143

1867

3258

177

364

560

1041

1680

2936

159

336

513

957

1559

2684

149

317

476

896

1447

2492

140

239

443

840

1353

2315

133

275

420

793

1288

2203

126

266

411

775

1246

2128

117

243

369

700

1143

1904

105

215

327

625

1008

1689

93

196

303

583

993

1554

84

182

280

541

877

1437

70

145

224

439

686

1139

Natural Gas (NG) flow is given in thousands of BTU/hr. - One cubic foot of LP gas - 1000 BTU Nominal pressure at the burner for Natural Gas is 3.5" of water column. (Typical machine supply 5"-7") Pipe length must include additional length for all fittings. Add approximately 5 feet of pipe per fitting. Natural Gas Example: A machine with a burner that requires 440,000 BTU would need a 1 -1/4" pipe for a 20" long run.

4" ---9521 7859 6795 6142 5647 5250 4900 4667 4518 4065 3645 3370 3160 2539

Length of Pipe in Feet

10 20 30 40 50 60 80 100 125 150 200 250 300 350 400

Liquid Propane : Pipe Sizing Chart

1/2" 275 189 152 129 114 103 89 78 69 63 54 48 43 40 37

3/4" 567 393 315 267 237 217 185 162 146 132 112 100 90 83 77

1" 1071 732 590 504 448 409 346 307 275 252 209 185 168 155 144

Size of Pipe in Inches

1-1/4"

1-1/2"

2"

2205

3307

6221

1496

2299

4331

1212

1858

3465

1039

1559

2992

913

1417

2646

834

1275

2394

724

1086

2047

630

976

1811

567

866

1606

511

787

1496

439

665

1282

390

590

1138

353

534

1030

325

491

947

303

458

887

2-1/2" 10140 7046 5695 4778 4343 3908 3329 2991 2654 2412 2083 1808 1637 1505 1404

3" 17990 12510 10110 8481 7708 6936 5908 5309 4711 4281 3618 3210 2905 2671 2492

4" 35710 25520 20620 17300 15730 14150 12050 10830 9613 8736 7382 6549 5927 5450 5084

Liquid Propane (LP) Gas flow is given in thousands of BTU/hr. - One cubic foot of LP gas - 2516 BTU This chart refers to low pressure LP, after regulation, Standard nominal pressure at the burner for Liquid Propane Gas is 11" of water column. Pipe length must include additional length for all fittings. Add approximately 5 feet of pipe per fitting. LP Example: A machine with a burner that requires 440,000 BTU would need a 1" pipe for a 20' long run.

NOTE: The sizing charts above list the specific pipe sizes required for the amount of BTU's for a new gas line installations. If you are using an existing gas line you must take into consideration the existing gas line capacities to ensure you will have proper pressure. This chart is for reference only, we recommend you consult with a Licensed Plumber/Gas Fitter or NFPA54

(National Fuel Gas Code - current edition) for more details.



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A DIVISION OF SKYTECH PRODUCTS GROUP

A DIVISION OF SKYTECH PRODUCTS GROUP

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