MECHANICAL INSTALLATION — EXHAUST SYSTEM
Exhaust System Installation Reference Data
The following Tables are provided for reference when installing the exhaust system.
Table 17. Factory Recommended Engine Exhaust Silencers | ||||||
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MQ Power | Silencer | Silencer | Inlet/Outlet | Maximum | Total Weight of | |
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Generator Model | Manufacturer | Model | Diameter | Sliencer | ||
Number | Name | Number | In. (mm) | lbs. (Kg.) | ||
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MQP20IZ | SILEX | 2.5 (63.5) | 41 | 27 (12.15) | ||
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MQP30GM | NETT | EE48968 | 3 (76.2) | 50 | 50 (22.67) | |
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MQP30DZ | SILEX | 2.5 (63.5) | 41 | 27 (12.15) | ||
MQP40IZ | SILEX | 2.5 (63.5) | 41 | 27 (12.15) | ||
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MQP45GM | NETT | EE49242 | 3 (76.2) | 50 | 75 (34.05) | |
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MQP50IZ | SILEX | 2.5 (63.5) | 41 | 27 (12.15) | ||
MQP60GM | NETT | EE48969 | 3 (76.2) | 50 | 85 (38.5) | |
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MQP60IV | SILEX | 2.5 (63.5) | 41 | 27 (12.15) | ||
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MQP80GM | NETT | EE48970 | 3 (76.2) | 50 | 100 (45.4) | |
MQP80IV | COWL | TS30TR | 3 (76.2) | 20 | 34 (15.42) | |
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MQP100GM | NETT | EE49243 | 3 (76.2) | 50 | 100 (45.4) | |
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MQP100IV | COWL | TS30TR | 3 (76.2) | 28 | 34 (15.42) | |
MQP125IV | COWL | TS40TR | 4 (101.6) | 28 | 50 (22.67) | |
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MQP150IV | COWL | TS40TR | 4 (101.6) | 28 | 50 (22.67) | |
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MQP175IV | COWL | TS45TR | 4.5 (114.3) | 40 | 60 (27.21) | |
MQP200IV | COWL | TS45TR | 4.5 (114.3) | 40 | 60 (27.21) | |
MQP250IV |
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MQP300IV | COWL | TS60TR | 6 (152.4) | 40 | 94 (42.63) | |
MQP350IV | COWL | TS60TR | 6 (152.4) | 40 | 94 (42.63) | |
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MQP400IV |
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MQP450VO | COWL | TS80TR | 8 (203.2) | 28 | 162 (73.5) | |
MQP500VO | COWL | TS80TR | 8 (203.2) | 28 | 162 (73.5) | |
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MQP550VO | COWL | TS80PR | 8 (203.2) | 40 | 154 (70.0) | |
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MQP600VO | COWL | TS80PR | 8 (203.2) | 40 | 154 (70.0) | |
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Table 18.
Diameter of | Area of Muffler | Diameter of | Area of Muffler |
Muffler Inlet (In.) | Inlet (FT2) | Muffler Inlet (In.) | Inlet (FT2) |
2 | 0.0218 | 5 | 0.1363 |
2.5 | 0.0341 | 6 | 0.1963 |
3 | 0.0491 | 8 | 0.3491 |
3.5 | 0.0668 | 10 | 0.5454 |
4 | 0.0873 | 12 | 0.7854 |
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Table 19. Equivalent Lengths of Pipe Fittings (Feet)
Type of Fitting |
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2 | 2.5 | 3 | 3.5 | 4 | 5 | 6 | 8 | 10 | 12 | ||
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Standard Elbow | 5.3 | 6.4 | 8.1 | 9.6 | 11 | 14 | 16 | 21 | 26 | 32 | |
Medium Elbow | 4.6 | 5.4 | 6.8 | 8 | 9 | 12 | 14 | 18 | 22 | 26 | |
Long Radius Elbow | 3.5 | 4.2 | 5.2 | 6 | 7 | 9 | 11 | 14 | 17 | 20 | |
45° Elbow | 1.5 | 2 | 2.3 | 2.6 | 3 | 4 | 4.5 | 6 | 8 | 9 | |
Standard Tee | 13 | 14 | 17 | 19 | 22 | 27 | 34 | 44 | 56 | 67 | |
18 Inch Flexible Tube | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | |
24 Inch Flexible Tube | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | |
Table 20. Heat Losses from Uninsulated Exhaust
Pipes and Mufflers
Pipe Diameter | Heat From Pipe | Heat From Muffler | ||
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Inches (mm) | BTU/MIN (kj/Min) | |||
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1.5 (38) | 47 (162) | 297 | (313) | |
2 (51) | 57 (197) | 490 | (525) | |
2.5 (64) | 70 (242) | 785 | (828) | |
3 (76) | 84 (291) | 1,100 (1,160) | ||
3.5 (98) | 96 (332) | 1,408 (1,485) | ||
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4 (102) | 108 (374) | 1,767 (1,864) | ||
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5 (127) | 132 (457) | 2,500 | (2,638) | |
6 (152) | 156 (540) | 3,550 | (3,745) | |
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8 (203) | 200 (692) | 5,467 | (5,768) | |
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10 (254) | 249 (862) | 8,500 | (8,968) | |
12 (305) | 293 (1,014) | 10,083 (10,638) | ||
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INDUSTRIAL GENERATOR SETS — APPLICATION & INSTALLATION MANUAL — REV. #4 (09/07/07) — PAGE 49