SECTION 3
Complete
Head Assembly
Size
Part No.
1A
639438
2A
639439
4A
639440
6A
639441
9A
639442
12A
17268
15A
639443
30A
17263
55A
998085
70A
998086
100A
998087
Size indicates approx. acetylene flow rate in cu. ft./hr. (cfh) at normal operating pressure.
See Important Operating Notes on page 4.
Complete
Head Assembly
Size
Part No.
For Oxy-Acetylene Use
55A
998089
70A
998090
100A
998091
10-12
150A
998092
12-14
For Oxy-Fuel Gas Use - FG-2, propane, natural gas, etc.
70FG
998093
16-20
100FG
998278
35-39
150FG
998276
30-35
See Important Operating Notes on page 4.
Complete
Pressure,
Head Assembly
psig
Size
Part No.
Oxy.
For Oxy-Acetylene Use
15 O-A
998773
5-8
30 O-A
998774
5-8
30 O-A-JR
5-8
0558006160
55 O-A
998775
7-9
70 O-A
998776
7-9
100 O-A
998777
13-16
200 O-A
998778
19-22
For Oxy-Fuel Gas Use - FG-2, propane, natural gas, etc.
70 O-FG
999225
13-24
100 O-FG
999228
18-31
200 O-FG
999231
38-60
See Important Operating Notes on Pg. 4.
Requires extension coupling 998838.
Table 2 - W-300 & W-400 Acetylene Welding Heads (Single-Flame)
Pressure,psig
Steel
Thickness,
in.
Oxy.
Acet.
to 32 ga.
32 - 25 ga.
25 ga. - 1/32
5-8
1/32 - 1/16
1/16 - 1/8
1/8 - 3/16
3/16 - 1/4
1/4 - 3/8
3/8 - 5/8
7-9
5/8 - 1
over 1
Table 3 - W-300 & W-400 Multiflame Heating Heads
Pressure,
psig
Fuel
No. of
Oxy.
Gas
Flames
7-9
7-9
7
7-9
7-9
7
10-12
8
12-14
12
7-10
7
7-10
8
7-10
12
Table 4 - W300 & W-400 Rosebud Style Multiflame Heating Heads
Avg.
Heat
Fuel
No. of
Output
Gas
Flames
Btu/hr.
Assy.
5-8
6
22,000
998795
5-8
6
44,000
998796
5-8
6
44,000
----------
7-9
9
81,000
998797
7-9
9
103,000
998798
8-10
13
147,000
998799
11-14
16
294,000
998800
6-13
8
104,000
999224
8-15
8
148,000
999227
9-17
24
297,000
999230
Replacement Parts
(See Fig.2)
Mixer
Tip
Throat
639682
639683
5-8
639684
639685
639686
17513
17266
17513
639687
639693
17261
17262
7-9
998060
21K77
998061
21K78
998062
639993
Avg.
Replacement Parts
Heat
(See Fig. 2)
Output
Mixer
Btu/hr.
Tip
Throat
81,000
998070
21K77
102,000
998071
21K78
147,000
998072
639993
221,000
998073
639994
104,000
998078
21K78
147,000
998079
998035
220,000
998036
639994
Replacement Parts (See Fig. 2)
Tip
Mixer
Stem
Throat
998791
639693
998791
639694
----------
639694
998792
21K77
998792
21K78
998793
639993
998794
998779
998792
21K78
998793
998035
998794
998045
12
Accessory
Tip
Mixer
Extension
—
639885
—
639885
—
639886
—
639887
19484
17514
639436
639437
639965
639966
639992
Accessory
Tip
Mixer
Extension
639965
19X42 (12")
639966
19X42 (12")
639992
19X43 (15")
639992
19X44 (18")
639966
19X42 (12")
998034
19X43 (15")
639992
19X44 (18")
Conn.
Retain.
Mixer
Nut
Ring
Length
639436
998580
13K02
639437
998580
13K02
639437
998580
13K02
639965
998580
13K02
12-in.
639966
998580
13K02
12-in.
639992
639995
639709
15-in.
998780
639995
639970
18-in.
639966
998580
13K02
12-in.
998034
639995
639970
15-in.
22K39
639995
639970
18-in.
OPERATION
Tip
Cleaning
Drill
Size
—
78
—
72
—
64
—
62
—
55
—
54
—
53
—
45
19X42(12")
33
19X42(12")
30
19X43(15")
25
Tip
Cleaning
Drill
Size
59
56
55
55
54
48
48
Accessory
Tip
Cleaning
Tip Extension
Drill
P/N
Size
—
—
70
—
—
62
—
—
62
19X42
61
19X42
57
19X43
57
998790
54
19X42
49
19X43
49
998790
52