Generator Sizing Guide

Table 5 – LP Vapor (LPV) Tank Sizing

Vapor Withdrawal

Tank Capacity

Tank Capacity

Length

Diameter

Overall Ht.

Minimum Temp

Tank Capacity

Total (Gal.)

Useable (Gal.)

(Inches)

(Inches)

(Inches)

(°F)

(btu/hr.)

 

 

 

 

 

 

 

120

72

57

24

33

40

246,240

 

 

 

 

 

20

164,160

 

 

 

 

 

0

82,080

150

90

68

24

33

40

293,760

 

 

 

 

 

20

195,840

 

 

 

 

 

0

97,920

 

 

 

 

 

 

 

250

150

94

30

39

40

507,600

 

 

 

 

 

20

338,400

 

 

 

 

 

0

169,200

325

195

119

30

39

40

642,600

 

 

 

 

 

20

428,400

 

 

 

 

 

0

214,200

 

 

 

 

 

 

 

500

300

119

37

46

40

792,540

 

 

 

 

 

20

528,360

 

 

 

 

 

0

264,180

850

510

165

41

50

40

1,217,700

 

 

 

 

 

20

811,800

 

 

 

 

 

0

405,900

1000

600

192

41

50

40

1,416,960

 

 

 

 

 

20

944,640

 

 

 

 

 

0

472,320

 

 

 

 

 

 

 

Note: Tank BTU capacity and generator run times based upon maintaining a minimum tank fuel level of 20%.

LP Vapor (LPV) Withdrawal Fuel Consumption

Load (kW)

7

10

13

16

20

25

35

45

60

70

80

100

130

150

BTU / Hr

110,000

190,000

215,000

252,000

340,000

390,000

500,000

620,000

800,000

950,000

1,100,000

1,400,000

1,800,000

2,050,000

Gal / Hr

1.2

2.1

2.4

2.8

3.8

4.3

5.5

6.8

8.8

10.5

12.2

15.5

19.9

22.7

Note: Fuel consumption based on a generator 80% loaded.

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Siemens Standby Generators manual LP Vapor LPV Tank Sizing, Vapor Withdrawal, LP Vapor LPV Withdrawal Fuel Consumption

Standby Generators specifications

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