Enactus-H74-D Burgmann H74-D Replacement
Features For stepped shafts Dual seal Balanced Rotating multiple springs Independent of direction of rotation Seal concept based on the H7 range Variant with pumping screw available (H74F-D) Advantages Efficient stock keeping due to easily interchangeable faces Extended selection of materials Flexibility in torque transmissions Insensitive to low solids contents EN 12756 (For connection dimensions d1 up to 100 mm (3.94")) Recommended applications Process industry Oil and gas industry Refining technology Petrochemical industry Chemical industry Power plant technology Pulp and paper industry Low solids content and low abrasive media Toxic and hazardous media Media with poor lubrication properties Adhesives Chemical standard pumps Operating range Shaft diameter: d1 = 14 ... 200 mm (0.55"… 7.87") Pressure: p1 = 80 bar (1,160 PSI) for d1 = 14 ... 100 mm, p1 = 25 bar (363 PSI) for d1 = 100 ... 200 mm, p1 = 16 bar (232 PSI) for d1 > 200 mm Temperature: t = -50 °C ... 220 °C (-58 °F… 428 °F) Sliding velocity: vg = 20 m/s (66 ft/s) Axial movement: d1 up to 100 mm: ± 0.5 mm d1 from 100 mm: ± 2.0 mm Seal face: Silicon carbide (Q1, Q2), Carbon graphite antimony impregnated (A), Aluminium oxide (V), Special cast CrMo steel (S) Seat G9: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B), Silicon carbide (Q1*, Q2*) Secondary seals: EPDM (E), NBR (P), FKM (V), FFKM (K) Springs: CrNiMo steel (G) Metal parts: CrNiMo steel (G), Duplex (G1) * Cannot be combined with seal face made of S service Provide special designAccording to the requirements and conditions for the custom processing
Dimensions in mm
14
18
33
21
25
3
24
30
–
73
18
53
26.5
1.5
4
8.5
17.5
10
7.5
6.5
5.6
1.5
5
6.6
17
M5
1.2
16
20
35
23
27
3
29.5
35
–
73
18
53
26.5
1.5
4
8.5
17.5
10
7.5
8.5
7.5
1.5
5
6.6
17
M5
1.5
18
22
37
27
33
3
29.5
35
42
76
20
53
26.5
2
5
9
19.5
11.5
8.5
9
8
1.5
5
7.5
17
M5
1.5
20
24
39
29
35
3
32
38
44
76
20
53
26.5
2
5
9
19.5
11.5
8.5
8.5
7.5
1.5
5
7.5
17
M5
1.5
22
26
41
31
37
3
32
38
45
76
20
53
26.5
2
5
9
19.5
11.5
8.5
8.5
7.5
1.5
5
7.5
17
M5
1.5
24
28
43
33
39
3
36
42
47
77
20
54
27
2
5
9
19.5
11.5
8.5
8.5
7.5
1.5
5
7.5
17.5
M6
1.5
25
30
45
34
40
3
39.2
45
49
77
20
54
27
2
5
9
19.5
11.5
8.5
8.5
7.5
1.5
5
7.5
17.5
M6
1.5
28
33
48
37
43
3
42.2
48
51
77
20
54
27
2
5
9
19.5
11.5
8.5
10
9
1.5
5
7.5
17.5
M6
1.5
30
35
50
39
45
3
44.2
50
54
77
20
54
27
2
5
9
19.5
11.5
8.5
11.5
10.5
1.5
5
7.5
17.5
M6
1.5
32
38
55
42
48
3
46.2
52
59
79
20
56
28
2
5
9
19.5
11.5
8.5
11.5
10.5
1.5
5
7.5
18.5
M6
1.5
33
38
55
42
48
3
49.2
55
59
79
20
56
28
2
5
9
19.5
11.5
8.5
12
10.5
1.5
5
7.5
18.5
M6
1.5
35
40
57
44
50
3
52.2
58
61
80
20
57
28.5
2
5
9
19.5
11.5
8.5
12
11
1.5
5
7.5
19
M6
1.5
38
43
60
49
56
4
53.3
62
65
85
23
57
28.5
2
6
9
22
14
10
11.3
10.3
2
6
9
19
M6
1.5
40
45
62
51
58
4
55.3
64
66
85
23
57
28.5
2
6
9
22
14
10
11.8
10.8
2
6
9
19
M6
1.5
43
48
65
54
61
4
59.7
68.4
69
85
23
57
28.5
2
6
9
22
14
10
13.2
12
2
6
9
19
M6
2.5
45
50
67
56
63
4
60.8
69.3
71
84
23
56
28
2
6
9
22
14
10
12.8
11.6
2
6
9
19.5
M6
2.5
48
53
70
59
66
4
63.8
72.3
75
84
23
56
28
2
6
9
22
14
10
12.8
11.6
2
6
9
19.5
M6
2.5
50
55
72
62
70
4
66.5
75.4
76
93
25
63
31.5
2.5
6
9
23
15
10.5
12.8
11.6
2
6
9.5
19.5
M6
2.5
53
58
79
65
73
4
69.5
78.4
83
97
25
67
33.5
2.5
6
9
23
15
12
13.5
12.3
2
6
11
23.5
M8
2.5
55
60
81
67
75
4
71.5
80.4
85
97
25
67
33.5
2.5
6
9
23
15
12
14.5
13.3
2
6
11
23.5
M8
2.5
58
63
84
70
78
4
74.5
83.4
88
104
25
74
37
2.5
6
9
23
15
12
14.5
13.3
2
6
11
24.5
M8
2.5
60
65
86
72
80
4
76.5
85.4
95
104
25
74
37
2.5
6
9
23
15
12
14.5
13.3
2
6
11
24.5
M8
2.5
63
68
89
75
83
4
82.7
91.5
93
109
25
79
39.5
2.5
6
9
23
15
12
14.2
13.3
2
6
11
24.5
M8
2.5
65
70
91
77
85
4
83
92
95
98
25
68
34
2.5
6
9
23
15
12
14.2
13
2
6
11
23.5
M8
2.5
70
75
99
83
92
4
90.2
99
105
112.5
28
76.4
38.2
2.5
7
9
26
18
12.5
14.9
13.7
2
6
11.3
25.5
M8
2.5
75
80
104
88
97
4
95.2
104
109
112.5
28
76.4
38.2
2.5
7
9
26
18
12.5
14.2
13
2
6
11.3
25.5
M8
2.5
80
85
109
95
105
4
100.2
109
114
112.5
28
76
38
3
7
9
26.2
18.2
12.5
15.2
14
2
6
11.3
25
M8
2.5
85
90
114
100
110
4
105.2
114
119
112.5
28
76
38
3
7
9
26.2
18.2
13
16.2
15
2
6
12
25.5
M8
2.5
90
95
119
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