MG1
Features
- For plain shafts
- Single and dual seal
- Elastomer bellows rotating
- Balanced
- Independent of direction of rotation
- No torsion on bellows
Advantages
- Shaft protection over entire seal length
- Protection of seal face during installation due to special bellows design
- Insensitive to shaft deflections due to large axial movement ability
- Universal application opportunities
- Important material certifications available
- High flexibility due to wide offer on materials
- Suitable for low-end sterile applications
- Special design for hot water pumps (RMG12) available
- Dimension adaptions and additional seats available
Materials
Seal face: Carbon graphite antimony impregnated (A), Carbon graphite resin impregnated (B), Silicon carbide (Q1, eSiC-Q7)
Seat: Silicon carbide (Q1, eSic-Q7), Tungsten carbide (U3)
Elastomer: NBR (P), EPDM (E), FKM (V),
HNBR (X4)
Metal parts: CrNiMo steel (G), Hastelloy® (M)
Further materials upon request.
MG12
Dimensions, items and designations same as for MG1, but with an extended bellows tail to achieve the fitting length I1k according to EN 12756 in combination with seat G6 or G60 (da exceeds EN 12756).
MG13
Dimensions, items and designations same as for MG1, but with an extended bellows tail to achieve the fitting length I1N according to EN 12756 in combination with seat G6 or G60 (da exceeds EN 12756).
MG1S20
Dimensions, items and designations same as for MG1, but with an extended bellows tail to achieve the special fitting length I1S in combination with seat G50.

MG12 |
Seal size d(mm) | d | d2 | dst | d3 | l1 |
10 | 10 | 20.5 | 24.0 | 22.5 | 25.9 |
12 | 12 | 22.5 | 26.0 | 25.0 | 25.9 |
14 | 14 | 26.5 | 30.0 | 28.5 | 28.4 |
16 | 16 | 26.5 | 30.0 | 28.5 | 28.4 |
18 | 18 | 29.0 | 33.0 | 32.0 | 30.0 |
20 | 20 | 33.0 | 38.0 | 37.0 | 30.0 |
22 | 22 | 33.0 | 38.0 | 37.0 | 30.0 |
24 | 24 | 38.0 | 44.0 | 42.5 | 32.5 |
25 | 25 | 38.0 | 44.0 | 42.5 | 32.5 |
28 | 28 | 44.0 | 50.0 | 49.0 | 35.0 |
30 | 30 | 44.0 | 50.0 | 49.0 | 35.0 |
32 | 32 | 46.0 | 55.0 | 53.5 | 35.0 |
33 | 33 | 46.0 | 55.0 | 53.5 | 35.0 |
35 | 35 | 50.0 | 59.0 | 57.0 | 35.0 |
38 | 38 | 53.0 | 61.0 | 59.0 | 36.0 |
40 | 40 | 55.0 | 64.0 | 62.0 | 36.0 |
43 | 43 | 58.0 | 67.0 | 65.5 | 36.0 |
45 | 45 | 60.0 | 70.0 | 68.0 | 36.0 |
48 | 48 | 63.0 | 74.0 | 70.5 | 36.0 |
50 | 50 | 65.0 | 77.0 | 74.0 | 38.0 |
53 | 53 | 70.0 | 81.0 | 78.5 | 36.5 |
55 | 55 | 72.0 | 83.0 | 81.0 | 36.5 |
58 | 58 | 75.0 | 88.0 | 85.5 | 41.5 |
60 | 60 | 79.0 | 91.0 | 88.5 | 41.5 |
65 | 65 | 84.0 | 96.0 | 93.5 | 41.5 |
68 | 68 | 88.0 | 100.0 | 96.5 | 41.2 |
70 | 70 | 90.0 | 103.0 | 99.5 | 48.7 |
75 | 75 | 95.0 | 110.0 | 107.0 | 48.7 |
80 | 80 | 100.0 | 116.0 | 112.0 | 48.0 |
85 | 85 | 107.0 | 124.0 | 120.0 | 46.0 |
90 | 90 | 114.0 | 131.0 | 127.0 | 51.0 |
95 | 95 | 119.0 | 136.0 | 132.0 | 51.0 |
100 | 100 | 124.0 | 140.0 | 137.0 | 51.0 |