Seal H74-D Features (HB74-D)
- 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)
Seal H74-D Material
- 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
Seal H74-D Advantages (HB74-D)
- 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″))
Seal H74-D 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
Seat HB74-D – G6
Seat HB74-D – G4
Dimension Table
d1 | d2 | d3 | d6 | d7 | d8 | d11 | d12 | ds | l1 | l2 | l3 | l4 | l5 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
14 | 18 | 33 | 21 | 25 | 3 | 24 | 30 | – | 73 | 18 | 53 | 26.5 | 1.5 |
16 | 20 | 35 | 23 | 27 | 3 | 29.5 | 35 | – | 73 | 18 | 53 | 26.5 | 1.5 |
18 | 22 | 37 | 27 | 33 | 3 | 29.5 | 35 | 42 | 76 | 20 | 53 | 26.5 | 2 |
20 | 24 | 39 | 29 | 35 | 3 | 32 | 38 | 44 | 76 | 20 | 53 | 26.5 | 2 |
22 | 26 | 41 | 31 | 37 | 3 | 32 | 38 | 45 | 76 | 20 | 53 | 26.5 | 2 |
24 | 28 | 43 | 33 | 39 | 3 | 36 | 42 | 47 | 77 | 20 | 54 | 27 | 2 |
25 | 30 | 45 | 34 | 40 | 3 | 39.2 | 45 | 49 | 77 | 20 | 54 | 27 | 2 |
28 | 33 | 48 | 37 | 43 | 3 | 42.2 | 48 | 51 | 77 | 20 | 54 | 27 | 2 |
30 | 35 | 50 | 39 | 45 | 3 | 44.2 | 50 | 54 | 77 | 20 | 54 | 27 | 2 |
32 | 38 | 55 | 42 | 48 | 3 | 46.2 | 52 | 59 | 79 | 20 | 56 | 28 | 2 |
33 | 38 | 55 | 42 | 48 | 3 | 49.2 | 55 | 59 | 79 | 20 | 56 | 28 | 2 |
35 | 40 | 57 | 44 | 50 | 3 | 52.2 | 58 | 61 | 80 | 20 | 57 | 28.5 | 2 |
38 | 43 | 60 | 49 | 56 | 4 | 53.3 | 62 | 65 | 85 | 23 | 57 | 28.5 | 2 |
40 | 45 | 62 | 51 | 58 | 4 | 55.3 | 64 | 66 | 85 | 23 | 57 | 28.5 | 2 |
43 | 48 | 65 | 54 | 61 | 4 | 59.7 | 68.4 | 69 | 85 | 23 | 57 | 28.5 | 2 |
45 | 50 | 67 | 56 | 63 | 4 | 60.8 | 69.3 | 71 | 84 | 23 | 56 | 28 | 2 |
48 | 53 | 70 | 59 | 66 | 4 | 63.8 | 72.3 | 75 | 84 | 23 | 56 | 28 | 2 |
50 | 55 | 72 | 62 | 70 | 4 | 66.5 | 75.4 | 76 | 93 | 25 | 63 | 31.5 | 2.5 |
53 | 58 | 79 | 65 | 73 | 4 | 69.5 | 78.4 | 83 | 97 | 25 | 67 | 33.5 | 2.5 |
55 | 60 | 81 | 67 | 75 | 4 | 71.5 | 80.4 | 85 | 97 | 25 | 67 | 33.5 | 2.5 |
58 | 63 | 84 | 70 | 78 | 4 | 74.5 | 83.4 | 88 | 104 | 25 | 74 | 37 | 2.5 |
60 | 65 | 86 | 72 | 80 | 4 | 76.5 | 85.4 | 95 | 104 | 25 | 74 | 37 | 2.5 |
63 | 68 | 89 | 75 | 83 | 4 | 82.7 | 91.5 | 93 | 109 | 25 | 79 | 39.5 | 2.5 |
65 | 70 | 91 | 77 | 85 | 4 | 83 | 92 | 95 | 98 | 25 | 68 | 34 | 2.5 |
70 | 75 | 99 | 83 | 92 | 4 | 90.2 | 99 | 105 | 112.5 | 28 | 76.4 | 38.2 | 2.5 |
75 | 80 | 104 | 88 | 97 | 4 | 95.2 | 104 | 109 | 112.5 | 28 | 76.4 | 38.2 | 2.5 |
80 | 85 | 109 | 95 | 105 | 4 | 100.2 | 109 | 114 | 112.5 | 28 | 76 | 38 | 3 |
85 | 90 | 114 | 100 | 110 | 4 | 105.2 | 114 | 119 | 112.5 | 28 | 76 | 38 | 3 |
90 | 95 | 119 | 105 | 115 | 4 | 111.6 | 120.3 | 124 | 112.5 | 28 | 76 | 38 | 3 |
95 | 100 | 124 | 110 | 120 | 4 | 114.5 | 123.3 | 129 | 110.5 | 28 | 76 | 38 | 3 |
100 | 105 | 129 | 115 | 125 | 4 | – | – | 134 | 110.5 | 28 | 76 | 38 | 3 |
105 | 115 | 148 | 122.2 | 134.3 | 5 | – | – | 153 | 122 | 32 | 82 | 41 | 2 |
110 | 120 | 153 | 128.2 | 140.3 | 5 | – | – | 158 | 122 | 32 | 82 | 41 | 2 |
115 | 125 | 158 | 136.2 | 148.3 | 5 | – | – | 163 | 122 | 32 | 82 | 41 | 2 |
120 | 130 | 163 | 138.2 | 150.3 | 5 | – | – | 168 | 122 | 32 | 82 | 41 | 2 |
125 | 135 | 168 | 142.2 | 154.3 | 5 | – | – | 173 | 122 | 32 | 82 | 41 | 2 |
130 | 140 | 173 | 146.2 | 158.3 | 5 | – | – | 178 | 122 | 32 | 82 | 41 | 2 |
135 | 145 | 178 | 152.2 | 164.3 | 5 | – | – | 183 | 122 | 32 | 82 | 41 | 2 |
140 | 150 | 183 | 156.2 | 168.3 | 5 | – | – | 188 | 122 | 32 | 82 | 41 | 2 |
145 | 155 | 191 | 161.2 | 173.3 | 5 | – | – | 196 | 133 | 34 | 93 | 46.5 | 2 |
150 | 160 | 196 | 168.2 | 180.3 | 5 | – | – | 201 | 137 | 36 | 93 | 46.5 | 2 |
155 | 165 | 201 | 173.2 | 185.3 | 5 | – | – | 206 | 141 | 38 | 93 | 46.5 | 2 |
160 | 170 | 206 | 178.2 | 190.3 | 5 | – | – | 211 | 141 | 38 | 93 | 46.5 | 2 |
165 | 175 | 211 | 183.2 | 195.3 | 5 | – | – | 216 | 141 | 38 | 93 | 46.5 | 2 |
170 | 180 | 216 | 188.2 | 200.3 | 5 | – | – | 221 | 141 | 38 | 93 | 46.5 | 2 |
175 | 185 | 221 | 193.2 | 205.3 | 5 | – | – | 226 | 141 | 38 | 93 | 46.5 | 2 |
180 | 190 | 226 | 207.5 | 219.3 | 5 | – | – | 231 | 149 | 42 | 93 | 46.5 | 2 |
185 | 195 | 231 | 212.5 | 224.3 | 5 | – | – | 236 | 149 | 42 | 93 | 46.5 | 2 |
190 | 200 | 236 | 217.5 | 229.3 | 5 | – | – | 241 | 149 | 42 | 93 | 46.5 | 2 |
195 | 205 | 245 | 222.5 | 234.3 | 5 | – | – | 250 | 151 | 43 | 95 | 47.5 | 2 |
200 | 210 | 250 | 227.5 | 239.3 | 5 | – | – | 255 | 151 | 43 | 95 | 47.5 | 2 |
l6 | l7 | l8 | l9 | l12 | l14 | l10 | l15 | l28 | l16 | l31 | mx | R |
---|---|---|---|---|---|---|---|---|---|---|---|---|
4 | 8.5 | 17.5 | 10 | 6.5 | 5.6 | 7.5 | 1.5 | 6.6 | 5 | 17 | M5 | 1.2 |
4 | 8.5 | 17.5 | 10 | 8.5 | 7.5 | 7.5 | 1.5 | 6.6 | 5 | 17 | M5 | 1.5 |
5 | 9 | 19.5 | 11.5 | 9 | 8 | 8.5 | 1.5 | 7.5 | 5 | 17 | M5 | 1.5 |
5 | 9 | 19.5 | 11.5 | 8.5 | 7.5 | 8.5 | 1.5 | 7.5 | 5 | 17 | M5 | 1.5 |
5 | 9 | 19.5 | 11.5 | 8.5 | 7.5 | 8.5 | 1.5 | 7.5 | 5 | 17 | M5 | 1.5 |
5 | 9 | 19.5 | 11.5 | 8.5 | 7.5 | 8.5 | 1.5 | 7.5 | 5 | 17.5 | M6 | 1.5 |
5 | 9 | 19.5 | 11.5 | 8.5 | 7.5 | 8.5 | 1.5 | 7.5 | 5 | 17.5 | M6 | 1.5 |
5 | 9 | 19.5 | 11.5 | 10 | 9 | 8.5 | 1.5 | 7.5 | 5 | 17.5 | M6 | 1.5 |
5 | 9 | 19.5 | 11.5 | 11.5 | 10.5 | 8.5 | 1.5 | 7.5 | 5 | 17.5 | M6 | 1.5 |
5 | 9 | 19.5 | 11.5 | 11.5 | 10.5 | 8.5 | 1.5 | 7.5 | 5 | 18.5 | M6 | 1.5 |
5 | 9 | 19.5 | 11.5 | 12 | 10.5 | 8.5 | 1.5 | 7.5 | 5 | 18.5 | M6 | 1.5 |
5 | 9 | 19.5 | 11.5 | 12 | 11 | 8.5 | 1.5 | 7.5 | 5 | 19 | M6 | 1.5 |
6 | 9 | 22 | 14 | 11.3 | 10.3 | 10 | 2 | 9 | 6 | 19 | M6 | 1.5 |
6 | 9 | 22 | 14 | 11.8 | 10.8 | 10 | 2 | 9 | 6 | 19 | M6 | 1.5 |
6 | 9 | 22 | 14 | 13.2 | 12 | 10 | 2 | 9 | 6 | 19 | M6 | 2.5 |
6 | 9 | 22 | 14 | 12.8 | 11.6 | 10 | 2 | 9 | 6 | 19.5 | M6 | 2.5 |
6 | 9 | 22 | 14 | 12.8 | 11.6 | 10 | 2 | 9 | 6 | 19.5 | M6 | 2.5 |
6 | 9 | 23 | 15 | 12.8 | 11.6 | 10.5 | 2 | 9.5 | 6 | 19.5 | M6 | 2.5 |
6 | 9 | 23 | 15 | 13.5 | 12.3 | 12 | 2 | 11 | 6 | 23.5 | M8 | 2.5 |
6 | 9 | 23 | 15 | 14.5 | 13.3 | 12 | 2 | 11 | 6 | 23.5 | M8 | 2.5 |
6 | 9 | 23 | 15 | 14.5 | 13.3 | 12 | 2 | 11 | 6 | 24.5 | M8 | 2.5 |
6 | 9 | 23 | 15 | 14.5 | 13.3 | 12 | 2 | 11 | 6 | 24.5 | M8 | 2.5 |
6 | 9 | 23 | 15 | 14.2 | 13.3 | 12 | 2 | 11 | 6 | 24.5 | M8 | 2.5 |
6 | 9 | 23 | 15 | 14.2 | 13 | 12 | 2 | 11 | 6 | 23.5 | M8 | 2.5 |
7 | 9 | 26 | 18 | 14.9 | 13.7 | 12.5 | 2 | 11.3 | 6 | 25.5 | M8 | 2.5 |
7 | 9 | 26 | 18 | 14.2 | 13 | 12.5 | 2 | 11.3 | 6 | 25.5 | M8 | 2.5 |
7 | 9 | 26.2 | 18.2 | 15.2 | 14 | 12.5 | 2 | 11.3 | 6 | 25 | M8 | 2.5 |
7 | 9 | 26.2 | 18.2 | 16.2 | 15 | 13 | 2 | 12 | 6 | 25.5 | M8 | 2.5 |
7 | 9 | 26.2 | 18.2 | 16 | 14.8 | 15 | 2 | 14 | 6 | 25 | M8 | 2.5 |
7 | 9 | 25.2 | 17.2 | 16 | 14.8 | 15 | 2 | 14 | 6 | 25 | M8 | 2.5 |
7 | 9 | 25.2 | 17.2 | 17 | 15.8 | 15 | – | 14 | – | 25.5 | M8 | 2.5 |
10 | – | 30 | 20 | 17 | 15.8 | 15 | – | 14 | – | 31.5 | M8 | 2.5 |
10 | – | 30 | 20 | – | – | – | – | – | – | 31.5 | M8 | – |
10 | – | 30 | 20 | – | – | – | – | – | – | 31.5 | M8 | – |
10 | – | 30 | 20 | – | – | – | – | – | – | 31.5 | M8 | – |
10 | – | 30 | 20 | – | – | – | – | – | – | 31.5 | M8 | – |
10 | – | 30 | 20 | – | – | – | – | – | – | 31.5 | M8 | – |
10 | – | 30 | 20 | – | – | – | – | – | – | 31.5 | M8 | – |
10 | – | 30 | 20 | – | – | – | – | – | – | 31.5 | M8 | – |
10 | – | 30 | 20 | – | – | – | – | – | – | 35.5 | M8 | – |
10 | – | 32 | 22 | – | – | – | – | – | – | 35.5 | M8 | – |
12 | – | 34 | 24 | – | – | – | – | – | – | 35.5 | M8 | – |
12 | – | 34 | 24 | – | – | – | – | – | – | 35.5 | M8 | – |
12 | – | 34 | 24 | – | – | – | – | – | – | 35.5 | M8 | – |
12 | – | 34 | 24 | – | – | – | – | – | – | 35.5 | M8 | – |
12 | – | 34 | 24 | – | – | – | – | – | – | 35.5 | M8 | – |
12 | – | 38 | 28 | – | – | – | – | – | – | 35.5 | M8 | – |
12 | – | 38 | 28 | – | – | – | – | – | – | 35.5 | M8 | – |
12 | – | 38 | 28 | – | – | – | – | – | – | 35.5 | M8 | – |
12 | – | 38 | 28 | – | – | – | – | – | – | – | M10 | – |
12 | – | 38 | 28 | – | – | – |