Dimensions 6435-1, -2, -3 & -4 | Tempest ® III
DIMENSIONS in inches (mm)
MA †
8.13 (206)
Main Air A -NPT
Three ¾ NPT holes: two for Observation Ports;the third for UV flame detector,on same side as pilot.
5.50 (140)
6.25 (159)
TP †
No. 3§
No. 1§
7.75 Ø (197)
3.94 (100)
5.0 (127)
2.56 (14.3)
4.63 (117)
Oil D-NPT
0.63 (16)
10.5 (267)
E
E
15.25 (387) ‡
AA †
14.63 (372)
Gas B –NPT
8.38 (213)
6435-1, -2, -3, -4 weight: 96 lb/44 kg
Dimensions in inches (mm)
(4) .63 (16) slots equally spaced
input pipe sizes
Sensitrol
Burner
designation A
B
C D ¼ ¾ ¼ ¾ ¼ ¾
E
Tile ExitØ Oil Valve
9.13 (232)
9.0 Ø (229)
6435-1 6435-2 6435-3 6435-4
1
1 1 1 1
1.14 (29) 1.25 (32) 1.50 (38) 1.94 (49)
1813-03 1813-03 1813-03
1 ¼ 1 ½
3.06
(78)
10.25 Ø (260)
2
1813-02-A
3⁄8
¾
‡ Dimension assumes close nipple between burner and Sensitrol™ Oil Valve. For sizes -1 through -4 with flame supervision, Sensitrol Valve cannot be close connected because of interference with handle. § Pilot position designation (No. 1 or No. 3) must be specified on order. Minimum for removal of internals including Sensitrol Valve. † 1⁄8 fpt Pressure Taps: MA —Main Air, G —Gas, AA —Atomizing Air, TP —Tile Pressure.
Bulletin 6435 Page 6
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