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| | | | | | | | | | | | ^^^^^^^■Orifice Capacities for Propane | | | | ORIFICE OR DRILL SIZE | ORIFICE CAPACITY BTU PER HOUR, 11-INCHES W.C. | ORIFICE OR DRILL SIZE | ORIFICE CAPACITY BTU PER HOUR, 11-INCHES W.C. | | | | .008 | 519 | 51 | 36531 | | | | .009 | 656 | 50 | 39842 | | | | .010 | 812 | 49 | 43361 | | | | .011 | 981 | 48 | 46983 | | | | .012 | 1169 | 47 | 50088 | | | | 80 | 1480 | 46 | 53296 | | | | 79 | 1708 | 45 | 54641 | | | | 78 | 2080 | 44 | 60229 | | | | 77 | 2629 | 43 | 64369 | | | | 76 | 3249 | 42 | 71095 | | | | 75 | 3581 | 41 | 74924 | | | | 74 | 4119 | 40 | 78029 | | | | 73 | 4678 | 39 | 80513 | | | | 72 | 5081 | 38 | 83721 | | | | 71 | 5495 | 37 | 87860 | | | | 70 | 6375 | 36 | 92207 | | | | 69 | 6934 | 35 | 98312 | | | | 68 | 7813 | 34 | 100175 | | | | 67 | 8320 | 33 | 103797 | | | | 66 | 8848 | 32 | 109385 | | | | 65 | 9955 | 31 | 117043 | | | | 64 | 10535 | 30 | 134119 | | | | 63 | 11125 | 29 | 150366 | | | | 62 | 11735 | 28 | 160301 | | | | 61 | 12367 | 27 | 168580 | | | | 60 | 13008 | 26 | 175617 | | | | 59 | 13660 | 25 | 181619 | | | | 58 | 14333 | 24 | 187828 | | | | 57 | 15026 | 23 | 192796 | | | | 56 | 17572 | 22 | 200350 | | | | 55 | 21939 | 21 | 205525 | | | | 54 | 24630 | 20 | 210699 | | | | 53 | 28769 | 19 | 223945 | | | | 52 | 32805 | 18 | 233466 | | | | BTU per cubic foot = 2516 Specific Gravity = 1.52 Pressure at orifice, inches of water column = 11 Orifice Coefficient = 0.9 | | | | | | | | | | | |
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