4630 AUXILIARY SECTIONS & ACCESSORIES
flame rod adapter (optional)
1.03 (26)
0.88 (22)
(2) 5/16 slots for 1/4" bolts
spark plug included
38°
(3) X .31 (8) Ø 3.38 (86) Ø B.C.
0.88 (22)
1/2" NPT
(2) X 1/4-20 THD. 0.38 (9.5) deep thread
1/4 -20 threaded hole
3/4" NPT
2.5 (64)
1.75 (44)
1.47 (37)
1.141 (29) Ø
(3) X 0.28 (7.1) Ø 3.38 (86) Ø B.C.
1.75 (44)
2.0 (51)
1.47 (37)
0.31 (8)
3.5 (89)
3.0 (76)
2.0 ( 5 1 )
1.75 (44)
4-2408-3 Pilot and Flame Rod Bracket (wt. 1 lb/.45 kg) For mounting a 4021-15 or 4021-16 Pilot Tip and a flame rod. Use with Part No. 4-2167-1. Flame Rod Part No. R130-7116
4630-P Pilot Section (wt. 4 lb/1.8 kg) Includes a spark plug, two separator plates, 3/4 " bottom premix inlet for a 3065-0-7 mixer and provision for adding an optional 883_-J or 4-3151-1 flame rod adapter (mixer and fasteners are not included).
4-2167-1 Companion Endplate (wt. 1 lb/.45 kg) 0.31 (8) thick steel. For mounting 4-2408-3 pilot and flame rod bracket.
(3) X .31 (8) Ø 3.38 (86) Ø B.C.
0.69 (17.5)
(3) X .31 (8) Ø 3.38 (86) Ø B.C.
0.47 (12)
0.88 (22)
Bore
(2) X 1/4-20 THD.
1.25 (32)
(2) 5/16-18 threaded holes
2.5 (64)
(2) X 0.38 (9.5)
1.25 (32)
1.75 (44)
2.0 (51)
0.81 (21)
2.5-3.19 (64-81)
1 .75 (44)
2.0 ( 5 1 )
2.0 (51)
Pilot Bracket* (wt. 1 lb/.45 kg) For mounting pilot tip only (no flame rod). Use with Part No. 4-0804-2 as shown at rear of photo on page 4. (fasteners not included)
4-0804-2 Companion Endplate (wt. 1 lb/.45 kg) 0.31 (8) thick steel For mounting pilot bracket, as shown at rear of photo on Page 4.
4-3159-1 Expansion Ignition Coupling (wt. 3.25 lb/1.5 kg)
Used in place of and far superior to the separator plate. It can telescope to absorb some expansion in an assembly when burners heat. It permits low fire side to pilot high fire side and vice versa.
*Pilot Bracket
Bore
for Pilot Tip
4-0680-1 4-0680-2
1.016 (26) 1.141 (29)
4021-13, 4021-14, 4021-15, 4021-16
(3) X .31 (8) Ø 3.38 (86) Ø B.C.
(3) X 1/4-20 THD 3.38 (86) Ø B.C. 0.75 (18) deep thread
3.0 (76)
2" NPT
1.0 (25.4)
1.5 (38)
2.0 (51)
1.75 (44)
1.75 (44)
1.69 (43)
2.0 (51)
4-1739-1 Separator Plate (wt. .25 lb/.11 kg) (1) thick steel.
4-0803-1 2" Inlet Flange (wt. 2 lb/.91 kg) Bolted to the end of any section, it provides a threaded 2" pipe size feed connection.
4-0804-1 Std. Endplate (wt. 1 lb/.45 kg) 0.31 (8) thick steel. Used to close ends of an assembly.
Used to separate mixer zones within an assembly. If all mixture pressures in an assembly are essentially equal, flame will cross separator plates so one pilot suffices for the entire assembly.
(3) X .31 (8) Ø 3.38 (86) Ø B.C.
1.69 (43) square
0.38 (10)
0.31 (8) typical
2.0
(51)
1.13 (29)
4630HK Hardware Kit (wt. .25 lb/.11 kg) Used to connect sections and accessories. Three fasteners per kit; one kit per connection. Hardware Kit consists of three hex head bolts 1/4 -20 X 1.25" 32 mm) long and three hex nuts ( 1/4 -20). Note: Hardware is included with each main burner section (one set of three fasteners for each flange).
1.88 (48)
2.0 (51)
1.75 (44)
2.0 (51)
4-0827-1 Supporting Endplate (wt. 1.75 lb/.80 kg)
3" Pipe Plug Std. Sq. Hd (wt. 3.25 lb/1.5 kg) For plugging unused feed connections. Part number R590-7910.
In addition to closing the end of an assembly, it provides a 2" projection for supporting the assembly (see rear of photo on Page 4).
Bul 4630 page 4
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