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 design
According 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 |
105 |
115 |
4 |
111.6 |
120.3 |
124 |
112.5 |
28 |
76 |
38 |
3 |
7 |
9 |
26.2 |
18.2 |
15 |
16 |
14.8 |
2 |
6 |
14 |
25 |
M8 |
2.5 |
95 |
100 |
124 |
110 |
120 |
4 |
114.5 |
123.3 |
129 |
110.5 |
28 |
76 |
38 |
3 |
7 |
9 |
25.2 |
17.2 |
15 |
16 |
14.8 |
2 |
6 |
14 |
25 |
M8 |
2.5 |
100 |
105 |
129 |
115 |
125 |
4 |
– |
– |
134 |
110.5 |
28 |
76 |
38 |
3 |
7 |
9 |
25.2 |
17.2 |
15 |
17 |
15.8 |
– |
– |
14 |
25.5 |
M8 |
2.5 |
105 |
115 |
148 |
122.2 |
134.3 |
5 |
– |
– |
153 |
122 |
32 |
82 |
41 |
2 |
10 |
– |
30 |
20 |
15 |
17 |
15.8 |
– |
– |
14 |
31.5 |
M8 |
2.5 |
110 |
120 |
153 |
128.2 |
140.3 |
5 |
– |
– |
158 |
122 |
32 |
82 |
41 |
2 |
10 |
– |
30 |
20 |
– |
– |
– |
– |
– |
– |
31.5 |
M8 |
– |
115 |
125 |
158 |
136.2 |
148.3 |
5 |
– |
– |
163 |
122 |
32 |
82 |
41 |
2 |
10 |
– |
30 |
20 |
– |
– |
– |
– |
– |
– |
31.5 |
M8 |
– |
120 |
130 |
163 |
138.2 |
150.3 |
5 |
– |
– |
168 |
122 |
32 |
82 |
41 |
2 |
10 |
– |
30 |
20 |
– |
– |
– |
– |
– |
– |
31.5 |
M8 |
– |
125 |
135 |
168 |
142.2 |
154.3 |
5 |
– |
– |
173 |
122 |
32 |
82 |
41 |
2 |
10 |
– |
30 |
20 |
– |
– |
– |
– |
– |
– |
31.5 |
M8 |
– |
130 |
140 |
173 |
146.2 |
158.3 |
5 |
– |
– |
178 |
122 |
32 |
82 |
41 |
2 |
10 |
– |
30 |
20 |
– |
– |
– |
– |
– |
– |
31.5 |
M8 |
– |
135 |
145 |
178 |
152.2 |
164.3 |
5 |
– |
– |
183 |
122 |
32 |
82 |
41 |
2 |
10 |
– |
30 |
20 |
– |
– |
– |
– |
– |
– |
31.5 |
M8 |
– |
140 |
150 |
183 |
156.2 |
168.3 |
5 |
– |
– |
188 |
122 |
32 |
82 |
41 |
2 |
10 |
– |
30 |
20 |
– |
– |
– |
– |
– |
– |
31.5 |
M8 |
– |
145 |
155 |
191 |
161.2 |
173.3 |
5 |
– |
– |
196 |
133 |
34 |
93 |
46.5 |
2 |
10 |
– |
30 |
20 |
– |
– |
– |
– |
– |
– |
35.5 |
M8 |
– |
150 |
160 |
196 |
168.2 |
180.3 |
5 |
– |
– |
201 |
137 |
36 |
93 |
46.5 |
2 |
10 |
– |
32 |
22 |
– |
– |
– |
– |
– |
– |
35.5 |
M8 |
– |
155 |
165 |
201 |
173.2 |
185.3 |
5 |
– |
– |
206 |
141 |
38 |
93 |
46.5 |
2 |
12 |
– |
34 |
24 |
– |
– |
– |
– |
– |
– |
35.5 |
M8 |
– |
160 |
170 |
206 |
178.2 |
190.3 |
5 |
– |
– |
211 |
141 |
38 |
93 |
46.5 |
2 |
12 |
– |
34 |
24 |
– |
– |
– |
– |
– |
– |
35.5 |
M8 |
– |
165 |
175 |
211 |
183.2 |
195.3 |
5 |
– |
– |
216 |
141 |
38 |
93 |
46.5 |
2 |
12 |
– |
34 |
24 |
– |
– |
– |
– |
– |
– |
35.5 |
M8 |
– |
170 |
180 |
216 |
188.2 |
200.3 |
5 |
– |
– |
221 |
141 |
38 |
93 |
46.5 |
2 |
12 |
– |
34 |
24 |
– |
– |
– |
– |
– |
– |
35.5 |
M8 |
– |
175 |
185 |
221 |
193.2 |
205.3 |
5 |
– |
– |
226 |
141 |
38 |
93 |
46.5 |
2 |
12 |
– |
34 |
24 |
– |
– |
– |
– |
– |
– |
35.5 |
M8 |
– |
180 |
190 |
226 |
207.5 |
219.3 |
5 |
– |
– |
231 |
149 |
42 |
93 |
46.5 |
2 |
12 |
– |
38 |
28 |
– |
– |
– |
– |
– |
– |
35.5 |
M8 |
– |
185 |
195 |
231 |
212.5 |
224.3 |
5 |
– |
– |
236 |
149 |
42 |
93 |
46.5 |
2 |
12 |
– |
38 |
28 |
– |
– |
– |
– |
– |
– |
35.5 |
M8 |
– |
190 |
200 |
236 |
217.5 |
229.3 |
5 |
– |
– |
241 |
149 |
42 |
93 |
46.5 |
2 |
12 |
– |
38 |
28 |
– |
– |
– |
– |
– |
– |
35.5 |
M8 |
– |
195 |
205 |
245 |
222.5 |
234.3 |
5 |
– |
– |
250 |
151 |
43 |
95 |
47.5 |
2 |
12 |
– |
38 |
28 |
– |
– |
– |
– |
– |
– |
– |
M10 |
– |
200 |
210 |
250 |
227.5 |
239.3 |
5 |
– |
– |
255 |
151 |
43 |
95 |
47.5 |
2 |
12 |
– |
38 |
28 |
– |
– |
– |
– |
– |
– |
M10 |
– |
Enactus Industrial, one of the professional manufacturers and suppliers of mechanical seals, now brings you the latest design enactus-h74-d burgmann h74-d replacement at competitive price. Should you have any special requirement, we can also offer you customized service. Welcome to wholesale bulk enactus-h74-d burgmann h74-d replacement with our factory and check the pricelist with us.