ESAB WH-4200 Mode D'emploi page 10

SECTION 2
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. Oxy.
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 - WH-4200 Acetylene Welding Heads (Single-Flame)
Pressure,psig
Steel
Thickness,
in. Oxy. Acet.
to 32 ga.
32 - 25 ga.
25 ga. - 1/32 5-8 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 7-9
5/8 - 1
over 1
Table 3 - WH-4200 Multiflame Heating Heads
Pressure,
psig
Fuel No. of
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 - WH-4200 Rosebud Style Multiflame Heating Heads
Avg.
Heat
Fuel No. of Output Tip
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
Mixer
Tip Throat
639682 —
639683 —
639684 —
639685 —
639686 17513
17266 17513
639687 639693
17261 17262
998060 21K77
998061 21K78
998062 639993
Avg. Replacement Parts
Heat
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)
Mixer
Stem Throat Mixer
998791 639693 639436
998791 639694 639437
---------- 639694 639437
998792 21K77 639965
998792 21K78 639966
998793 639993 639992
998794 998779 998780
998792 21K78 639966
998793 998035 998034
998794 998045 22K39
10
OPERATION
Accessory
Tip
Mixer Extension
639885 —
639885 —
639886 —
639887 —
19484 —
17514 —
639436 —
639437 —
639965 19X42(12")
639966 19X42(12")
639992 19X43(15")
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")
Accessory
Conn. Retain. Tip Extension
Nut Ring Length P/N
998580 13K02 — —
998580 13K02 — —
998580 13K02 — —
998580 13K02 12-in. 19X42
998580 13K02 12-in. 19X42
639995 639709 15-in. 19X43
639995 639970 18-in. 998790
998580 13K02 12-in. 19X42
639995 639970 15-in. 19X43
639995 639970 18-in. 998790
Tip
Cleaning
Drill
Size
78
72
64
62
55
54
53
45
33
30
25
Tip
Cleaning
Drill
Size
59
56
55
55
54
48
48
Tip
Cleaning
Drill
Size
70
62
62
61
57
57

54
49
49

52