Gas Orifice Capacity Chart
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1
2
3Gas Orifice Capacity Chart
BTU Ratings
No.
Size
<---
NATURAL
--->
<LP>
---
---
3.0
3.5
4.0
4.5
7.0
11.0
80
.0135
428
463
495
525
654
1273
79
.0145
494
534
571
605
755
1469
1/64
.0156
572
618
661
701
874
1700
78
.0160
602
650
695
737
919
1788
77
.0180
762
823
879
933
1163
2263
76
.0200
940
1016
1086
1152
1436
2794
75
.0210
1037
1120
1197
1270
1583
3081
74
.0225
1190
1285
1374
1457
1818
3536
73
.0240
1354
1462
1563
1658
2068
4024
72
.0250
1469
1587
1696
1799
2244
4366
71
.0260
1589
1716
1835
1946
2427
4722
70
.0280
1843
1991
2128
2257
2815
5476
69
.0292
2004
2165
2314
2455
3062
5956
68
.0310
2259
2440
2608
2767
3451
6713
1/32
.0313
2303
2487
2659
2820
3518
6843
67
.0320
2407
2600
2779
2948
3677
7153
66
.0330
2560
2765
2956
3135
3910
7607
65
.0350
2880
3110
2235
3527
4399
8557
64
.0360
3046
3291
3518
3731
4654
9053
63
.0370
3218
3476
3716
3941
4916
9563
62
.0380
3394
3666
3919
4157
5185
10087
61
.0390
3575
3862
4128
4379
5461
10625
60
.0400
3761
4062
4343
4606
5745
11176
59
.0410
3951
4268
4563
4840
6036
11742
58
.0420
4147
4479
4788
5078
6334
12322
57
.0430
4346
4695
5019
5323
6639
12916
56
.0465
5083
5490
5869
6225
7764
15104
3/64
.0469
5171
5585
5970
6333
7898
15365
55
.0520
6356
6865
7339
7785
9709
18888
54
.0550
7111
7680
8211
8709
10862
21131
53
.0595
8322
8989
9609
10192
12712
24730
1/16
.0625
9182
9918
10603
11246
14026
27286
52
.0635
9478
10238
10945
11609
14479
28167
51
.0670
10552
11398
12184
12924
16119
31357
50
.0700
11518
12441
13300
14107
17594
34228
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