Capacity | 4020 Nozzle-Mix Pilot Tip
Air pressure, osi Combustion air capacity, cfh
Gas pressure osi at 100% XSF
Flame length inches at 100% XSF
Flame Length
(stoic.) at 1.0 osi
Designation 4020-0-LP 4020-2-LP 4020-3-LP 4020-4-LP 4020-5-LP 4020-6-LP
0.1
0.25 1.0
2.0 4.0 at 0.1 osi at 1.0 osi at 0.1 osi at1.0 osi
55
90
160 385
— — —
— — — — —
0.5 0.5 0.4 0.4 0.5
6.7 6.5 4.6 3.6 5.0 3.0 4.0
7
11
6" — —
120 150 200 310 600
180
12 14 14
17
200 450
22 26 33 50 58
350 765 1085 535 1235 1665
19" 24" 36" 42" 22" 24" 28"
23 24 32
890 1895 3195 4535
0.25 0.25
4020-7-LP
1600 2540 4650 6645 9355
Reduced exit port 4020-_-LP pilots with higher capacity/high velocity flames
4020-6-LP/4 4050-6-LP/5 4020-7-LP/6
485 530
710 1620 790 1725
— —
— —
0.25 0.25 0.25
2.3 2.4 2.8
24 24 30
38 40 54
1100 1805 3765 5390 8195
Maximum nominal excess air at 0.25 osi = 150% at 1.0 osi = 300%. Maximum nominal excess fuel at 0.25 osi = 180% at 1.0 osi = 200% Flame Lengths listed on this page are for open still air. Actual lengths when fired in a burner body will vary. The reduced port models of the 4020-6 and -7 pilots provide stronger, higher capacity flames than the standard version with the same exit size.
Flame length (stoic.)
Air pressure, osi Combustion air capacity, cfh
Gas pressure osi at 100% XSF
Flame length inches at 100% XSF
Designation 4020-0-HP* 4020-2-HP 4020-3-HP 4020-4-HP 4020-5-HP 4020-6-HP 4020-7-HP
1.0
4.0
8.0
16.0
at 1.0 osi at 16 osi at 1.0 osi at 16 osi
at 16 osi
45
92
115
150 650 915
0.6
6.3
8
10 26 30 33 35 54 76
6"
150 230 350 550 970
307 430
450 650
1.0 1.2 1.0
14.2 15.1 13.5
18 18 19
14" 18" 20"
740 1000 1500
1100
1600 2350
0.9
15
30 35 44
21"
2250 2975 4050 4600 6580 9165
1.0 1.7
9.5
33" 48"
2155
10.5
Reduced exit port 4020-_-HP pilots with higher capacity/high velocity flames
4020-6-HP/4 4020-6-HP/5
800 860 1950
1860 2765
3915
1.3 1.2 2.2
10.5
35 35 44
45 52 64
30" 34"
2000 2960 4145 4160 5890 8503
9.7
4020-7-HP/6 38" Maximum nominal excess air at 4.0 osi = 100% at 16 osi = 120%. Maximum nominal excess fuel at 4.0 osi = 130% at 16 osi = 100%. Flame Lengths listed on this page are for open still air. Actual lengths when fired in a burner body will vary. * With optional 4-20667-1 Valve/Orifice. The reduced port models of the 4030-6 and-7 pilots provide stronger, higher capacity flames than the standard version with the same exit size. 21.4
Gas pressure osi at 50% XSF
Air pressure, osi Combustion air capacity, cfh
Flame length inches at 50% XSF
Flame length (stoic.)
Designation 4020-3A-CB 4020-3-CB 4020-4-CB
1.0 150 225 360
4.0
8.0
16.0
at 1.0 osi at 16 osi at 1.0 osi at 16 osi
at 16 osi
290
410
610
1.2
16.3 23.5 14.0 14.5
15 16 18 24
16 18
12" 14" 15"
465 670
700 1030 950 1370
1.1 1.1
20 30
4020-5-CB 21" Maximum nominal excess air at 4.0 osi = 180% at 16 osi = 200% Maximum nominal excess fuel at 4.0 osi = 80% at 16 osi = 50%. 640 1300 1790 2520 1.2
Bulletin 4020 Page 3
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