Features
For plain shafts
Dual seal
Unbalanced
Rotating multiple springs
Independent of direction of rotation
Seal concept based on the M7 range
Variant with pumping screw available (M74F-D)
Advantages
Efficient stock keeping due to easily interchangeable faces
Extended selection of materials
Flexibility in torque transmissions
EN 12756 (For connection dimensions d1 up to 100 mm (3.94"))
Recommended applications
Chemical industry
Process industry
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 = 18 ... 200 mm (0.71" … 7.87")
Pressure:
p1 = 25 bar (363 PSI)
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
Materials
Seal face: Special cast CrMo steel (S), Silicon carbide (Q1, Q2)
Seat G9: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B), Silicon carbide (Q1*, Q2*)
Seat G4: Silicon carbide (Q1*, Q2*)
Seat G6: Silicon carbide (Q1*, Q2*)
Seat G13: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B)
* Cannot be combined with seal face made of S
Service
Provide special design
According to the requirements and conditions for the custom processing
imensions in mm | |||||||||||||||||||||||||||||
d1 |
d3 |
d6 |
d7 |
d8 |
d9 |
d11 |
d12 |
ds |
l1 |
l3 |
l4 |
l5 |
l6 |
l7 |
l8 |
l9 |
l10 |
l11 |
l12 |
l13 |
l14 |
l15 |
l16 |
l28 |
l31 |
l35 |
mx |
t |
R |
18 |
33 |
27 |
33 |
3 |
4 |
24 |
30 |
– |
61 |
38 |
19 |
2 |
5 |
9 |
19.5 |
11.5 |
8.5 |
12.5 |
9 |
10 |
8 |
1.5 |
5 |
7.5 |
17 |
15 |
M5 |
3.5 |
1.5 |
20 |
35 |
29 |
35 |
3 |
4 |
29.5 |
35 |
– |
61 |
38 |
19 |
2 |
5 |
9 |
19.5 |
11.5 |
8.5 |
12.5 |
8.5 |
9.5 |
7.5 |
1.5 |
5 |
7.5 |
17 |
15 |
M5 |
3.5 |
1.5 |
22 |
37 |
31 |
37 |
3 |
4 |
29.5 |
35 |
42 |
61 |
38 |
19 |
2 |
5 |
9 |
19.5 |
11.5 |
8.5 |
12.5 |
8.5 |
9.5 |
7.5 |
1.5 |
5 |
7.5 |
17 |
15 |
M5 |
3.5 |
1.5 |
24 |
39 |
33 |
39 |
3 |
4 |
32 |
38 |
44 |
61 |
38 |
19 |
2 |
5 |
9 |
19.5 |
11.5 |
8.5 |
12.5 |
8.5 |
9.5 |
7.5 |
1.5 |
5 |
7.5 |
17 |
15 |
M5 |
3.5 |
1.5 |
25 |
40 |
34 |
40 |
3 |
4 |
32 |
38 |
45 |
61 |
38 |
19 |
2 |
5 |
9 |
19.5 |
11.5 |
8.5 |
12.5 |
8.5 |
9.5 |
7.5 |
1.5 |
5 |
7.5 |
17 |
15 |
M5 |
3.5 |
1.5 |
28 |
43 |
37 |
43 |
3 |
4 |
36 |
42 |
47 |
62 |
39 |
19.5 |
2 |
5 |
9 |
19.5 |
11.5 |
8.5 |
14 |
10 |
11 |
9 |
1.5 |
5 |
7.5 |
17.5 |
15 |
M6 |
3.5 |
1.5 |
30 |
45 |
39 |
45 |
3 |
4 |
39.2 |
45 |
49 |
62 |
39 |
19.5 |
2 |
5 |
9 |
19.5 |
11.5 |
8.5 |
14 |
11.5 |
11 |
10.5 |
1.5 |
5 |
7.5 |
17.5 |
15 |
M6 |
3.5 |
1.5 |
32 |
47 |
42 |
48 |
3 |
4 |
42.2 |
48 |
51 |
62 |
39 |
19.5 |
2 |
5 |
9 |
19.5 |
11.5 |
8.5 |
14 |
11.5 |
11 |
10.5 |
1.5 |
5 |
7.5 |
17.5 |
15 |
M6 |
3.5 |
1.5 |
33 |
48 |
42 |
48 |
3 |
4 |
44.2 |
50 |
51 |
62 |
39 |
19.5 |
2 |
5 |
9 |
19.5 |
11.5 |
8.5 |
14.5 |
12 |
11.5 |
10.5 |
1.5 |
5 |
7.5 |
17.5 |
15 |
M6 |
3.5 |
1.5 |
35 |
50 |
44 |
50 |
3 |
4 |
46.2 |
52 |
54 |
62 |
39 |
19.5 |
2 |
5 |
9 |
19.5 |
11.5 |
8.5 |
14.5 |
12 |
11.5 |
11 |
1.5 |
5 |
7.5 |
17.5 |
15 |
M6 |
3.5 |
1.5 |
38 |
55 |
49 |
56 |
4 |
4 |
49.2 |
55 |
59 |
69 |
41 |
20.5 |
2 |
6 |
9 |
22 |
14 |
10 |
14.5 |
11.3 |
11.5 |
10.3 |
1.5 |
5 |
9 |
18.5 |
15 |
M6 |
3.5 |
1.5 |
40 |
57 |
51 |
58 |
4 |
4 |
52.2 |
58 |
61 |
70 |
42 |
21 |
2 |
6 |
9 |
22 |
14 |
10 |
14.5 |
11.8 |
11.5 |
10.8 |
1.5 |
5 |
9 |
19 |
15 |
M6 |
3.5 |
1.5 |
43 |
60 |
54 |
61 |
4 |
4 |
53.3 |
62 |
65 |
70 |
42 |
21 |
2 |
6 |
9 |
22 |
14 |
10 |
17 |
13.2 |
14.3 |
12 |
2 |
6 |
9 |
19 |
15 |
M6 |
3.5 |
2.5 |
45 |
62 |
56 |
63 |
4 |
4 |
55.3 |
64 |
66 |
70 |
42 |
21 |
2 |
6 |
9 |
22 |
14 |
10 |
17 |
12.8 |
14.3 |
11.6 |
2 |
6 |
9 |
19 |
15 |
M6 |
3.5 |
2.5 |
48 |
65 |
59 |
66 |
4 |
4 |
59.7 |
68.4 |
69 |
70 |
42 |
21 |
2 |
6 |
9 |
22 |
14 |
10 |
17 |
12.8 |
14.3 |
11.6 |
2 |
6 |
9 |
19 |
15 |
M6 |
3.5 |
2.5 |
50 |
67 |
62 |
70 |
4 |
4 |
60.8 |
69.3 |
71 |
73 |
43 |
21.5 |
2.5 |
6 |
9 |
23 |
15 |
10.5 |
17 |
12.8 |
14.3 |
11.6 |
2 |
6 |
9.5 |
19.5 |
15 |
M6 |
3.5 |
2.5 |
53 |
70 |
65 |
73 |
4 |
4 |
63.8 |
72.3 |
75 |
73 |
43 |
21.5 |
2.5 |
6 |
9 |
23 |
15 |
12 |
17 |
13.5 |
14.3 |
12.3 |
2 |
6 |
11 |
19.5 |
15 |
M6 |
3.5 |
2.5 |
55 |
72 |
67 |
75 |
4 |
4 |
66.5 |
75.4 |
76 |
73 |
43 |
21.5 |
2.5 |
6 |
9 |
23 |
15 |
12 |
18 |
14.5 |
15.3 |
13.3 |
2 |
6 |
11 |
19.5 |
15 |
M8 |
3.5 |
2.5 |
58 |
79 |
70 |
78 |
4 |
5 |
69.5 |
78.4 |
83 |
86 |
56 |
28 |
2.5 |
6 |
9 |
23 |
15 |
12 |
18 |
14.5 |
15.3 |
13.3 |
2 |
6 |
11 |
23.5 |
19 |
M8 |
3.5 |
2.5 |
60 |
81 |
72 |
80 |
4 |
5 |
71.5 |
80.4 |
85 |
86 |
56 |
28 |
2.5 |
6 |
9 |
23 |
15 |
12 |
18 |
14.5 |
15.3 |
13.3 |
2 |
6 |
11 |
23.5 |
19 |
M8 |
3.5 |
2.5 |
63 |
84 |
75 |
83 |
4 |
5 |
74.5 |
83.4 |
88 |
85 |
55 |
27.5 |
2.5 |
6 |
9 |
23 |
15 |
12 |
18 |
14.2 |
15.3 |
13.3 |
2 |
6 |
11 |
24.5 |
19 |
M8 |
3.5 |
2.5 |
65 |
86 |
77 |
85 |
4 |
5 |
76.5 |
85.4 |
95 |
85 |
55 |
27.5 |
2.5 |
6 |
9 |
23 |
15 |
12 |
18 |
14.2 |
15.3 |
13 |
2 |
6 |
11 |
24.5 |
19 |
M8 |
3.5 |
2.5 |
68 |
89 |
81 |
90 |
4 |
5 |
82.7 |
91.5 |
93 |
91 |
55 |
27.5 |
2.5 |
7 |
9 |
26 |
18 |
12.5 |
19 |
14.9 |
16 |
13.7 |
2 |
6 |
11.3 |
24.5 |
19 |
M8 |
3.5 |
2.5 |
70 |
91 |
83 |
92 |
4 |
5 |
83 |
92 |
95 |
92 |
56 |
28 |
2.5 |
7 |
9 |
26 |
18 |
12.5 |
18 |
14.2 |
15.3 |
13 |
2 |
6 |
11.3 |
23.5 |
19 |
M8 |
3.5 |
2.5 |
75 |
99 |
88 |
97 |
4 |
5 |
90.2 |
99 |
105 |
92 |
56 |
28 |
2.5 |
7 |
9 |
26 |
18 |
12.5 |
18 |
15.2 |
15.3 |
14 |
2 |
6 |
11.3 |
25.5 |
19 |
M8 |
3.5 |
2.5 |
80 |
104 |
95 |
105 |
4 |
5 |
95.2 |
104 |
109 |
92.5 |
56 |
28 |
3 |
7 |
9 |
26.2 |
18.2 |
13 |
19 |
16.2 |
16.3 |
15 |
2 |
6 |
12 |
25.5 |
19 |
M8 |
3.5 |
2.5 |
85 |
109 |
100 |
110 |
4 |
5 |
100.2 |
109 |
114 |
92.5 |
56 |
28 |
3 |
7 |
9 |
26.2 |
18.2 |
15 |
19 |
16 |
16.3 |
14.8 |
2 |
6 |
14 |
25 |
19 |
M8 |
3.5 |
2.5 |
90 |
114 |
105 |
115 |
4 |
5 |
105.2 |
114 |
119 |
92.5 |
56 |
28 |
3 |
7 |
9 |
26.2 |
18.2 |
15 |
19 |
16 |
16.3 |
14.8 |
2 |
6 |
14 |
25.5 |
19 |
M8 |
3.5 |
2.5 |
95 |
119 |
110 |
120 |
4 |
5 |
111.6 |
120.3 |
124 |
90.5 |
56 |
28 |
3 |
7 |
9 |
25.2 |
17.2 |
15 |
20 |
17 |
17.3 |
15.8 |
2 |
6 |
14 |
25 |
19 |
M8 |
3.5 |
2.5 |
100 |
124 |
115 |
125 |
4 |
5 |
114.5 |
123.3 |
129 |
90.5 |
56 |
28 |
3 |
7 |
9 |
25.2 |
17.2 |
15 |
20 |
17 |
17.3 |
15.8 |
2 |
6 |
14 |
25 |
19 |
M8 |
3.5 |
2.5 |
105 |
138 |
122.2 |
134.3 |
5 |
7 |
– |
– |
143 |
108 |
68 |
34 |
2 |
10 |
– |
30 |
20 |
– |
– |
– |
– |
– |
– |
– |
– |
30.5 |
22 |
M8 |
3.5 |
– |
110 |
143 |
128.2 |
140.3 |
5 |
7 |
– |
– |
148 |
110 |
70 |
35 |
2 |
10 |
– |
30 |
20 |
– |
– |
– |
– |
– |
– |
– |
– |
31.5 |
22 |
M8 |
3.5 |
– |
115 |
148 |
136.2 |
148.3 |
5 |
7 |
– |
– |
153 |
110 |
70 |
35 |
2 |
10 |
– |
30 |
20 |
– |
– |
– |
– |
– |
– |
– |
– |
31.5 |
22 |
M8 |
3.5 |
– |
120 |
153 |
138.2 |
150.3 |
5 |
7 |
– |
– |
158 |
110 |
70 |
35 |
2 |
10 |
– |
30 |
20 |
– |
– |
– |
– |
– |
– |
– |
– |
31.5 |
22 |
M8 |
3.5 |
– |
125 |
158 |
142.2 |
154.3 |
5 |
7 |
– |
– |
163 |
110 |
70 |
35 |
2 |
10 |
– |
30 |
20 |
– |
– |
– |
– |
– |
– |
– |
– |
31.5 |
22 |
M8 |
3.5 |
– |
130 |
163 |
146.2 |
158.3 |
5 |
7 |
– |
– |
168 |
110 |
70 |
35 |
2 |
10 |
– |
30 |
20 |
– |
– |
– |
– |
– |
– |
– |
– |
31.5 |
22 |
M8 |
3.5 |
– |
135 |
168 |
152.2 |
164.3 |
5 |
7 |
– |
– |
173 |
110 |
70 |
35 |
2 |
10 |
– |
30 |
20 |
– |
– |
– |
– |
– |
– |
– |
– |
31.5 |
22 |
M8 |
3.5 |
– |
140 |
173 |
156.2 |
168.3 |
5 |
7 |
– |
– |
178 |
110 |
70 |
35 |
2 |
10 |
– |
30 |
20 |
– |
– |
– |
– |
– |
– |
– |
– |
31.5 |
22 |
M8 |
3.5 |
– |
145 |
178 |
161.2 |
173.3 |
5 |
7 |
– |
– |
183 |
110 |
70 |
35 |
2 |
10 |
– |
30 |
20 |
– |
– |
– |
– |
– |
– |
– |
– |
31.5 |
22 |
M8 |
3.5 |
– |
150 |
183 |
168.2 |
180.3 |
5 |
7 |
– |
– |
188 |
114 |
70 |
35 |
2 |
10 |
– |
32 |
22 |
– |
– |
– |
– |
– |
– |
– |
– |
31.5 |
22 |
M8 |
3.5 |
– |
155 |
191 |
173.2 |
185.3 |
5 |
7 |
– |
– |
196 |
127 |
79 |
39.5 |
2 |
12 |
– |
34 |
24 |
– |
– |
– |
– |
– |
– |
– |
– |
35.5 |
22 |
M8 |
3.5 |
– |
160 |
196 |
178.2 |
190.3 |
5 |
7 |
– |
– |
201 |
127 |
79 |
39.5 |
2 |
12 |
– |
34 |
24 |
– |
– |
– |
– |
– |
– |
– |
– |
35.5 |
22 |
M8 |
3.5 |
– |
165 |
201 |
183.2 |
195.3 |
5 |
7 |
– |
– |
206 |
127 |
79 |
39.5 |
2 |
12 |
– |
34 |
24 |
– |
– |
– |
– |
– |
– |
– |
– |
35.5 |
22 |
M8 |
3.5 |
– |
170 |
206 |
188.2 |
200.3 |
5 |
7 |
– |
– |
211 |
127 |
79 |
39.5 |
2 |
12 |
– |
34 |
24 |
– |
– |
– |
– |
– |
– |
– |
– |
35.5 |
22 |
M8 |
3.5 |
– |
175 |
211 |
193.2 |
205.3 |
5 |
7 |
– |
– |
216 |
127 |
79 |
39.5 |
2 |
12 |
– |
34 |
24 |
– |
– |
– |
– |
– |
– |
– |
– |
35.5 |
22 |
M8 |
3.5 |
– |
180 |
216 |
207.5 |
219.3 |
5 |
7 |
– |
– |
221 |
135 |
79 |
39.5 |
2 |
12 |
– |
38 |
28 |
– |
– |
– |
– |
– |
– |
– |
– |
35.5 |
22 |
M8 |
3.5 |
– |
185 |
221 |
212.5 |
224.3 |
5 |
7 |
– |
– |
226 |
135 |
79 |
39.5 |
2 |
12 |
– |
38 |
28 |
– |
– |
– |
– |
– |
– |
– |
– |
35.5 |
22 |
M8 |
3.5 |
– |
190 |
226 |
217.5 |
229.3 |
5 |
7 |
– |
– |
231 |
135 |
79 |
39.5 |
2 |
12 |
– |
38 |
28 |
– |
– |
– |
– |
– |
– |
– |
– |
35.5 |
22 |
M8 |
3.5 |
– |
195 |
231 |
222.5 |
234.3 |
5 |
7 |
– |
– |
236 |
135 |
79 |
39.5 |
2 |
12 |
– |
38 |
28 |
– |
– |
– |
– |
– |
– |
– |
– |
35.5 |
22 |
M8 |
3.5 |
– |
200 |
236 |
227.5 |
239.3 |
5 |
7 |
– |
– |
241 |
135 |
79 |
39.5 |
2 |
12 |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
Enactus Industrial, one of the professional manufacturers and suppliers of mechanical seals, now brings you the latest design enactus-m74-d burgmann m74-d replacement at competitive price. Should you have any special requirement, we can also offer you customized service. Welcome to wholesale bulk enactus-m74-d burgmann m74-d replacement with our factory and check the pricelist with us.