GAS SUPPLY

TEST CONNECTIONS

All connections and joints must be thoroughly tested for leaks in accordance with local codes and all listed procedures in the latest edition of the National Fuel Gas Code ANSI Z223.1/NFPA 54, Natural Gas and Propane Installation Code, CSA B149.1, or Propane Storage and Handling Code, B149.2, or the Standard for Recreational Vehicles, ANSI A 119.2/NFPA 1192, and CSA Z240 RV Series, Recreational Vehicle Code, as applicable.

mDANGER

Do not use an open flame to check for gas leaks. Be sure there are no sparks or open flames in the area while you check for gas leaks. This will result in a fire or explosion which can cause serious bodily injury or death, and damage to property.

Table

 

Maximum Capacity of Metallic Pipe in Cubic Feet of Gas per Hour for Gas Pressures of 2 psi or Less

 

 

6.2(a)

 

 

and a Pressure Drop of 0.3 Inch Water Column (Based on a 0.60 Specific Gravity Gas)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Nominal

Actual

 

 

 

 

 

Length of Pipe (Feet)

 

 

 

 

 

 

Pipe

ID

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Size

(Inches)

10

20

30

40

50

60

70

80

90

100

125

150

175

200

(Inches)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1/2

.622

131

90

72

62

55

50

46

42

40

38

33

30

28

26

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3/4

.824

273

188

151

129

114

104

95

89

83

79

70

63

58

54

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

1.049

514

353

284

243

215

195

179

167

157

148

131

119

109

102

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 1/4

1.380

1,060

726

583

499

442

400

368

343

322

304

269

244

224

209

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1 1/2

1.610

1,580

1,090

873

747

662

600

552

514

482

455

403

366

336

313

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

2.067

3,050

2,090

1,680

1,440

1,280

1,160

1,060

989

928

877

777

704

648

602

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 1/2

2.469

4,860

3,340

2,680

2,290

2,030

1,840

1,690

1,580

1,480

1,400

1,240

1,120

1,030

960

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

3.068

8,580

5,900

4,740

4,050

3,590

3,260

3,000

2,790

2,610

2,470

2,190

1,980

1,820

1,700

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

4.026

17,500

12,000

9,660

8,270

7,330

6,640

6,110

5,680

5,330

5,040

4,460

4,050

3,720

3,460

 

 

 

 

 

 

© 2009 National Fire Protection Association, Inc. and International Approval Services - U.S., Inc. All Rights Reserved.

 

 

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Summit 460-NG manual Test Connections